[2526] | 1 | #!/usr/bin/env python |
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| 2 | # |
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| 3 | |
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| 4 | import unittest |
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| 5 | import copy |
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| 6 | from Numeric import zeros, array, allclose, Float |
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| 7 | from utilities.numerical_tools import mean |
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| 8 | import tempfile |
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| 9 | import os |
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| 10 | from Scientific.IO.NetCDF import NetCDFFile |
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| 11 | |
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| 12 | from data_manager import * |
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| 13 | from shallow_water import * |
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| 14 | from config import epsilon |
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| 15 | import data_manager |
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| 16 | |
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| 17 | from coordinate_transforms.geo_reference import Geo_reference |
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| 18 | |
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| 19 | class Test_Data_Manager(unittest.TestCase): |
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| 20 | def setUp(self): |
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| 21 | import time |
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| 22 | from mesh_factory import rectangular |
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| 23 | |
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| 24 | #Create basic mesh |
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| 25 | points, vertices, boundary = rectangular(2, 2) |
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| 26 | |
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| 27 | #Create shallow water domain |
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| 28 | domain = Domain(points, vertices, boundary) |
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| 29 | domain.default_order=2 |
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| 30 | |
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| 31 | |
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| 32 | #Set some field values |
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| 33 | domain.set_quantity('elevation', lambda x,y: -x) |
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| 34 | domain.set_quantity('friction', 0.03) |
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| 35 | |
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| 36 | |
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| 37 | ###################### |
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| 38 | # Boundary conditions |
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| 39 | B = Transmissive_boundary(domain) |
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| 40 | domain.set_boundary( {'left': B, 'right': B, 'top': B, 'bottom': B}) |
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| 41 | |
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| 42 | |
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| 43 | ###################### |
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| 44 | #Initial condition - with jumps |
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| 45 | |
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| 46 | |
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| 47 | bed = domain.quantities['elevation'].vertex_values |
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| 48 | stage = zeros(bed.shape, Float) |
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| 49 | |
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| 50 | h = 0.3 |
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| 51 | for i in range(stage.shape[0]): |
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| 52 | if i % 2 == 0: |
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| 53 | stage[i,:] = bed[i,:] + h |
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| 54 | else: |
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| 55 | stage[i,:] = bed[i,:] |
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| 56 | |
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| 57 | domain.set_quantity('stage', stage) |
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| 58 | self.initial_stage = copy.copy(domain.quantities['stage'].vertex_values) |
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| 59 | |
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| 60 | domain.distribute_to_vertices_and_edges() |
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| 61 | |
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| 62 | |
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| 63 | self.domain = domain |
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| 64 | |
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| 65 | C = domain.get_vertex_coordinates() |
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| 66 | self.X = C[:,0:6:2].copy() |
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| 67 | self.Y = C[:,1:6:2].copy() |
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| 68 | |
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| 69 | self.F = bed |
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| 70 | |
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| 71 | |
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| 72 | |
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| 73 | |
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| 74 | #Write A testfile (not realistic. Values aren't realistic) |
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| 75 | |
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| 76 | self.test_MOST_file = 'most_small' |
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| 77 | |
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| 78 | longitudes = [150.66667, 150.83334, 151., 151.16667] |
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| 79 | latitudes = [-34.5, -34.33333, -34.16667, -34] |
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| 80 | |
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| 81 | long_name = 'LON' |
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| 82 | lat_name = 'LAT' |
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| 83 | |
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| 84 | nx = 4 |
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| 85 | ny = 4 |
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| 86 | six = 6 |
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| 87 | |
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| 88 | |
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| 89 | for ext in ['_ha.nc', '_ua.nc', '_va.nc', '_e.nc']: |
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| 90 | fid = NetCDFFile(self.test_MOST_file + ext, 'w') |
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| 91 | |
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| 92 | fid.createDimension(long_name,nx) |
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| 93 | fid.createVariable(long_name,'d',(long_name,)) |
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| 94 | fid.variables[long_name].point_spacing='uneven' |
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| 95 | fid.variables[long_name].units='degrees_east' |
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| 96 | fid.variables[long_name].assignValue(longitudes) |
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| 97 | |
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| 98 | fid.createDimension(lat_name,ny) |
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| 99 | fid.createVariable(lat_name,'d',(lat_name,)) |
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| 100 | fid.variables[lat_name].point_spacing='uneven' |
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| 101 | fid.variables[lat_name].units='degrees_north' |
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| 102 | fid.variables[lat_name].assignValue(latitudes) |
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| 103 | |
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| 104 | fid.createDimension('TIME',six) |
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| 105 | fid.createVariable('TIME','d',('TIME',)) |
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| 106 | fid.variables['TIME'].point_spacing='uneven' |
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| 107 | fid.variables['TIME'].units='seconds' |
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| 108 | fid.variables['TIME'].assignValue([0.0, 0.1, 0.6, 1.1, 1.6, 2.1]) |
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| 109 | |
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| 110 | |
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| 111 | name = ext[1:3].upper() |
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| 112 | if name == 'E.': name = 'ELEVATION' |
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| 113 | fid.createVariable(name,'d',('TIME', lat_name, long_name)) |
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| 114 | fid.variables[name].units='CENTIMETERS' |
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| 115 | fid.variables[name].missing_value=-1.e+034 |
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| 116 | |
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| 117 | fid.variables[name].assignValue([[[0.3400644, 0, -46.63519, -6.50198], |
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| 118 | [-0.1214216, 0, 0, 0], |
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| 119 | [0, 0, 0, 0], |
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| 120 | [0, 0, 0, 0]], |
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| 121 | [[0.3400644, 2.291054e-005, -23.33335, -6.50198], |
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| 122 | [-0.1213987, 4.581959e-005, -1.594838e-007, 1.421085e-012], |
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| 123 | [2.291054e-005, 4.582107e-005, 4.581715e-005, 1.854517e-009], |
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| 124 | [0, 2.291054e-005, 2.291054e-005, 0]], |
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| 125 | [[0.3400644, 0.0001374632, -23.31503, -6.50198], |
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| 126 | [-0.1212842, 0.0002756907, 0.006325484, 1.380492e-006], |
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| 127 | [0.0001374632, 0.0002749264, 0.0002742863, 6.665601e-008], |
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| 128 | [0, 0.0001374632, 0.0001374632, 0]], |
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| 129 | [[0.3400644, 0.0002520159, -23.29672, -6.50198], |
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| 130 | [-0.1211696, 0.0005075303, 0.01264618, 6.208276e-006], |
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| 131 | [0.0002520159, 0.0005040318, 0.0005027961, 2.23865e-007], |
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| 132 | [0, 0.0002520159, 0.0002520159, 0]], |
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| 133 | [[0.3400644, 0.0003665686, -23.27842, -6.50198], |
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| 134 | [-0.1210551, 0.0007413362, 0.01896192, 1.447638e-005], |
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| 135 | [0.0003665686, 0.0007331371, 0.0007313463, 4.734126e-007], |
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| 136 | [0, 0.0003665686, 0.0003665686, 0]], |
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| 137 | [[0.3400644, 0.0004811212, -23.26012, -6.50198], |
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| 138 | [-0.1209405, 0.0009771062, 0.02527271, 2.617787e-005], |
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| 139 | [0.0004811212, 0.0009622425, 0.0009599366, 8.152277e-007], |
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| 140 | [0, 0.0004811212, 0.0004811212, 0]]]) |
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| 141 | |
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| 142 | |
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| 143 | fid.close() |
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| 144 | |
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| 145 | |
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| 146 | |
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| 147 | |
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| 148 | def tearDown(self): |
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| 149 | import os |
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| 150 | for ext in ['_ha.nc', '_ua.nc', '_va.nc', '_e.nc']: |
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| 151 | #print 'Trying to remove', self.test_MOST_file + ext |
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| 152 | os.remove(self.test_MOST_file + ext) |
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| 153 | |
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| 154 | def test_sww_constant(self): |
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| 155 | """Test that constant sww information can be written correctly |
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| 156 | (non smooth) |
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| 157 | """ |
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| 158 | |
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| 159 | import time, os |
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| 160 | from Numeric import array, zeros, allclose, Float, concatenate |
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| 161 | from Scientific.IO.NetCDF import NetCDFFile |
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| 162 | |
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| 163 | self.domain.filename = 'datatest' + str(id(self)) |
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| 164 | self.domain.format = 'sww' |
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| 165 | self.domain.smooth = False |
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| 166 | |
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| 167 | sww = get_dataobject(self.domain) |
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| 168 | sww.store_connectivity() |
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| 169 | |
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| 170 | #Check contents |
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| 171 | #Get NetCDF |
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| 172 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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| 173 | |
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| 174 | # Get the variables |
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| 175 | x = fid.variables['x'] |
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| 176 | y = fid.variables['y'] |
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| 177 | z = fid.variables['elevation'] |
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| 178 | |
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| 179 | volumes = fid.variables['volumes'] |
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| 180 | |
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| 181 | |
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| 182 | assert allclose (x[:], self.X.flat) |
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| 183 | assert allclose (y[:], self.Y.flat) |
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| 184 | assert allclose (z[:], self.F.flat) |
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| 185 | |
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| 186 | V = volumes |
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| 187 | |
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| 188 | P = len(self.domain) |
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| 189 | for k in range(P): |
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| 190 | assert V[k, 0] == 3*k |
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| 191 | assert V[k, 1] == 3*k+1 |
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| 192 | assert V[k, 2] == 3*k+2 |
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| 193 | |
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| 194 | |
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| 195 | fid.close() |
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| 196 | |
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| 197 | #Cleanup |
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| 198 | os.remove(sww.filename) |
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| 199 | |
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| 200 | |
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| 201 | def test_sww_constant_smooth(self): |
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| 202 | """Test that constant sww information can be written correctly |
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| 203 | (non smooth) |
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| 204 | """ |
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| 205 | |
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| 206 | import time, os |
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| 207 | from Numeric import array, zeros, allclose, Float, concatenate |
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| 208 | from Scientific.IO.NetCDF import NetCDFFile |
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| 209 | |
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| 210 | self.domain.filename = 'datatest' + str(id(self)) |
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| 211 | self.domain.format = 'sww' |
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| 212 | self.domain.smooth = True |
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| 213 | |
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| 214 | sww = get_dataobject(self.domain) |
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| 215 | sww.store_connectivity() |
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| 216 | |
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| 217 | #Check contents |
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| 218 | #Get NetCDF |
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| 219 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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| 220 | |
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| 221 | # Get the variables |
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| 222 | x = fid.variables['x'] |
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| 223 | y = fid.variables['y'] |
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| 224 | z = fid.variables['elevation'] |
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| 225 | |
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| 226 | volumes = fid.variables['volumes'] |
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| 227 | |
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| 228 | X = x[:] |
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| 229 | Y = y[:] |
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| 230 | |
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| 231 | assert allclose([X[0], Y[0]], array([0.0, 0.0])) |
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| 232 | assert allclose([X[1], Y[1]], array([0.0, 0.5])) |
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| 233 | assert allclose([X[2], Y[2]], array([0.0, 1.0])) |
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| 234 | |
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| 235 | assert allclose([X[4], Y[4]], array([0.5, 0.5])) |
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| 236 | |
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| 237 | assert allclose([X[7], Y[7]], array([1.0, 0.5])) |
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| 238 | |
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| 239 | Z = z[:] |
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| 240 | assert Z[4] == -0.5 |
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| 241 | |
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| 242 | V = volumes |
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| 243 | assert V[2,0] == 4 |
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| 244 | assert V[2,1] == 5 |
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| 245 | assert V[2,2] == 1 |
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| 246 | |
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| 247 | assert V[4,0] == 6 |
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| 248 | assert V[4,1] == 7 |
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| 249 | assert V[4,2] == 3 |
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| 250 | |
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| 251 | |
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| 252 | fid.close() |
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| 253 | |
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| 254 | #Cleanup |
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| 255 | os.remove(sww.filename) |
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| 256 | |
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| 257 | |
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| 258 | |
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| 259 | def test_sww_variable(self): |
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| 260 | """Test that sww information can be written correctly |
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| 261 | """ |
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| 262 | |
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| 263 | import time, os |
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| 264 | from Numeric import array, zeros, allclose, Float, concatenate |
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| 265 | from Scientific.IO.NetCDF import NetCDFFile |
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| 266 | |
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| 267 | self.domain.filename = 'datatest' + str(id(self)) |
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| 268 | self.domain.format = 'sww' |
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| 269 | self.domain.smooth = True |
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| 270 | self.domain.reduction = mean |
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| 271 | |
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| 272 | sww = get_dataobject(self.domain) |
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| 273 | sww.store_connectivity() |
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| 274 | sww.store_timestep('stage') |
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| 275 | |
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| 276 | #Check contents |
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| 277 | #Get NetCDF |
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| 278 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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| 279 | |
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| 280 | |
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| 281 | # Get the variables |
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| 282 | x = fid.variables['x'] |
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| 283 | y = fid.variables['y'] |
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| 284 | z = fid.variables['elevation'] |
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| 285 | time = fid.variables['time'] |
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| 286 | stage = fid.variables['stage'] |
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| 287 | |
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| 288 | |
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| 289 | Q = self.domain.quantities['stage'] |
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| 290 | Q0 = Q.vertex_values[:,0] |
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| 291 | Q1 = Q.vertex_values[:,1] |
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| 292 | Q2 = Q.vertex_values[:,2] |
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| 293 | |
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| 294 | A = stage[0,:] |
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| 295 | #print A[0], (Q2[0,0] + Q1[1,0])/2 |
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| 296 | assert allclose(A[0], (Q2[0] + Q1[1])/2) |
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| 297 | assert allclose(A[1], (Q0[1] + Q1[3] + Q2[2])/3) |
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| 298 | assert allclose(A[2], Q0[3]) |
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| 299 | assert allclose(A[3], (Q0[0] + Q1[5] + Q2[4])/3) |
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| 300 | |
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| 301 | #Center point |
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| 302 | assert allclose(A[4], (Q1[0] + Q2[1] + Q0[2] +\ |
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| 303 | Q0[5] + Q2[6] + Q1[7])/6) |
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| 304 | |
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| 305 | |
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| 306 | |
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| 307 | fid.close() |
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| 308 | |
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| 309 | #Cleanup |
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| 310 | os.remove(sww.filename) |
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| 311 | |
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| 312 | |
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| 313 | def test_sww_variable2(self): |
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| 314 | """Test that sww information can be written correctly |
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| 315 | multiple timesteps. Use average as reduction operator |
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| 316 | """ |
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| 317 | |
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| 318 | import time, os |
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| 319 | from Numeric import array, zeros, allclose, Float, concatenate |
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| 320 | from Scientific.IO.NetCDF import NetCDFFile |
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| 321 | |
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| 322 | self.domain.filename = 'datatest' + str(id(self)) |
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| 323 | self.domain.format = 'sww' |
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| 324 | self.domain.smooth = True |
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| 325 | |
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| 326 | self.domain.reduction = mean |
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| 327 | |
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| 328 | sww = get_dataobject(self.domain) |
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| 329 | sww.store_connectivity() |
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| 330 | sww.store_timestep('stage') |
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| 331 | self.domain.evolve_to_end(finaltime = 0.01) |
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| 332 | sww.store_timestep('stage') |
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| 333 | |
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| 334 | |
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| 335 | #Check contents |
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| 336 | #Get NetCDF |
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| 337 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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| 338 | |
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| 339 | # Get the variables |
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| 340 | x = fid.variables['x'] |
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| 341 | y = fid.variables['y'] |
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| 342 | z = fid.variables['elevation'] |
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| 343 | time = fid.variables['time'] |
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| 344 | stage = fid.variables['stage'] |
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| 345 | |
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| 346 | #Check values |
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| 347 | Q = self.domain.quantities['stage'] |
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| 348 | Q0 = Q.vertex_values[:,0] |
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| 349 | Q1 = Q.vertex_values[:,1] |
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| 350 | Q2 = Q.vertex_values[:,2] |
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| 351 | |
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| 352 | A = stage[1,:] |
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| 353 | assert allclose(A[0], (Q2[0] + Q1[1])/2) |
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| 354 | assert allclose(A[1], (Q0[1] + Q1[3] + Q2[2])/3) |
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| 355 | assert allclose(A[2], Q0[3]) |
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| 356 | assert allclose(A[3], (Q0[0] + Q1[5] + Q2[4])/3) |
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| 357 | |
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| 358 | #Center point |
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| 359 | assert allclose(A[4], (Q1[0] + Q2[1] + Q0[2] +\ |
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| 360 | Q0[5] + Q2[6] + Q1[7])/6) |
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| 361 | |
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| 362 | |
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| 363 | fid.close() |
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| 364 | |
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| 365 | #Cleanup |
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| 366 | os.remove(sww.filename) |
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| 367 | |
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| 368 | def test_sww_variable3(self): |
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| 369 | """Test that sww information can be written correctly |
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| 370 | multiple timesteps using a different reduction operator (min) |
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| 371 | """ |
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| 372 | |
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| 373 | import time, os |
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| 374 | from Numeric import array, zeros, allclose, Float, concatenate |
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| 375 | from Scientific.IO.NetCDF import NetCDFFile |
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| 376 | |
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| 377 | self.domain.filename = 'datatest' + str(id(self)) |
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| 378 | self.domain.format = 'sww' |
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| 379 | self.domain.smooth = True |
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| 380 | self.domain.reduction = min |
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| 381 | |
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| 382 | sww = get_dataobject(self.domain) |
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| 383 | sww.store_connectivity() |
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| 384 | sww.store_timestep('stage') |
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| 385 | |
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| 386 | self.domain.evolve_to_end(finaltime = 0.01) |
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| 387 | sww.store_timestep('stage') |
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| 388 | |
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| 389 | |
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| 390 | #Check contents |
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| 391 | #Get NetCDF |
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| 392 | fid = NetCDFFile(sww.filename, 'r') |
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| 393 | |
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| 394 | |
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| 395 | # Get the variables |
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| 396 | x = fid.variables['x'] |
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| 397 | y = fid.variables['y'] |
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| 398 | z = fid.variables['elevation'] |
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| 399 | time = fid.variables['time'] |
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| 400 | stage = fid.variables['stage'] |
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| 401 | |
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| 402 | #Check values |
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| 403 | Q = self.domain.quantities['stage'] |
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| 404 | Q0 = Q.vertex_values[:,0] |
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| 405 | Q1 = Q.vertex_values[:,1] |
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| 406 | Q2 = Q.vertex_values[:,2] |
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| 407 | |
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| 408 | A = stage[1,:] |
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| 409 | assert allclose(A[0], min(Q2[0], Q1[1])) |
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| 410 | assert allclose(A[1], min(Q0[1], Q1[3], Q2[2])) |
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| 411 | assert allclose(A[2], Q0[3]) |
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| 412 | assert allclose(A[3], min(Q0[0], Q1[5], Q2[4])) |
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| 413 | |
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| 414 | #Center point |
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| 415 | assert allclose(A[4], min(Q1[0], Q2[1], Q0[2],\ |
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| 416 | Q0[5], Q2[6], Q1[7])) |
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| 417 | |
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| 418 | |
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| 419 | fid.close() |
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| 420 | |
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| 421 | #Cleanup |
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| 422 | os.remove(sww.filename) |
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| 423 | |
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| 424 | |
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| 425 | def test_sync(self): |
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| 426 | """Test info stored at each timestep is as expected (incl initial condition) |
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| 427 | """ |
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| 428 | |
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| 429 | import time, os, config |
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| 430 | from Numeric import array, zeros, allclose, Float, concatenate |
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| 431 | from Scientific.IO.NetCDF import NetCDFFile |
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| 432 | |
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| 433 | self.domain.filename = 'synctest' |
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| 434 | self.domain.format = 'sww' |
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| 435 | self.domain.smooth = False |
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| 436 | self.domain.store = True |
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| 437 | self.domain.beta_h = 0 |
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| 438 | |
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| 439 | #Evolution |
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| 440 | for t in self.domain.evolve(yieldstep = 1.0, finaltime = 4.0): |
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| 441 | stage = self.domain.quantities['stage'].vertex_values |
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| 442 | |
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| 443 | #Get NetCDF |
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| 444 | fid = NetCDFFile(self.domain.writer.filename, 'r') |
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| 445 | stage_file = fid.variables['stage'] |
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| 446 | |
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| 447 | if t == 0.0: |
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| 448 | assert allclose(stage, self.initial_stage) |
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| 449 | assert allclose(stage_file[:], stage.flat) |
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| 450 | else: |
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| 451 | assert not allclose(stage, self.initial_stage) |
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| 452 | assert not allclose(stage_file[:], stage.flat) |
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| 453 | |
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| 454 | fid.close() |
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| 455 | |
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| 456 | os.remove(self.domain.writer.filename) |
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| 457 | |
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| 458 | |
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| 459 | |
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| 460 | def test_sww_DSG(self): |
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| 461 | """Not a test, rather a look at the sww format |
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| 462 | """ |
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| 463 | |
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| 464 | import time, os |
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| 465 | from Numeric import array, zeros, allclose, Float, concatenate |
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| 466 | from Scientific.IO.NetCDF import NetCDFFile |
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| 467 | |
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| 468 | self.domain.filename = 'datatest' + str(id(self)) |
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| 469 | self.domain.format = 'sww' |
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| 470 | self.domain.smooth = True |
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| 471 | self.domain.reduction = mean |
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| 472 | |
---|
| 473 | sww = get_dataobject(self.domain) |
---|
| 474 | sww.store_connectivity() |
---|
| 475 | sww.store_timestep('stage') |
---|
| 476 | |
---|
| 477 | #Check contents |
---|
| 478 | #Get NetCDF |
---|
| 479 | fid = NetCDFFile(sww.filename, 'r') |
---|
| 480 | |
---|
| 481 | # Get the variables |
---|
| 482 | x = fid.variables['x'] |
---|
| 483 | y = fid.variables['y'] |
---|
| 484 | z = fid.variables['elevation'] |
---|
| 485 | |
---|
| 486 | volumes = fid.variables['volumes'] |
---|
| 487 | time = fid.variables['time'] |
---|
| 488 | |
---|
| 489 | # 2D |
---|
| 490 | stage = fid.variables['stage'] |
---|
| 491 | |
---|
| 492 | X = x[:] |
---|
| 493 | Y = y[:] |
---|
| 494 | Z = z[:] |
---|
| 495 | V = volumes[:] |
---|
| 496 | T = time[:] |
---|
| 497 | S = stage[:,:] |
---|
| 498 | |
---|
| 499 | # print "****************************" |
---|
| 500 | # print "X ",X |
---|
| 501 | # print "****************************" |
---|
| 502 | # print "Y ",Y |
---|
| 503 | # print "****************************" |
---|
| 504 | # print "Z ",Z |
---|
| 505 | # print "****************************" |
---|
| 506 | # print "V ",V |
---|
| 507 | # print "****************************" |
---|
| 508 | # print "Time ",T |
---|
| 509 | # print "****************************" |
---|
| 510 | # print "Stage ",S |
---|
| 511 | # print "****************************" |
---|
| 512 | |
---|
| 513 | |
---|
| 514 | fid.close() |
---|
| 515 | |
---|
| 516 | #Cleanup |
---|
| 517 | os.remove(sww.filename) |
---|
| 518 | |
---|
| 519 | |
---|
| 520 | #def test_write_pts(self): |
---|
| 521 | # #Obsolete |
---|
| 522 | # |
---|
| 523 | # #Get (enough) datapoints |
---|
| 524 | # |
---|
| 525 | # from Numeric import array |
---|
| 526 | # points = array([[ 0.66666667, 0.66666667], |
---|
| 527 | # [ 1.33333333, 1.33333333], |
---|
| 528 | # [ 2.66666667, 0.66666667], |
---|
| 529 | # [ 0.66666667, 2.66666667], |
---|
| 530 | # [ 0.0, 1.0], |
---|
| 531 | # [ 0.0, 3.0], |
---|
| 532 | # [ 1.0, 0.0], |
---|
| 533 | # [ 1.0, 1.0], |
---|
| 534 | # [ 1.0, 2.0], |
---|
| 535 | # [ 1.0, 3.0], |
---|
| 536 | # [ 2.0, 1.0], |
---|
| 537 | # [ 3.0, 0.0], |
---|
| 538 | # [ 3.0, 1.0]]) |
---|
| 539 | # |
---|
| 540 | # z = points[:,0] + 2*points[:,1] |
---|
| 541 | # |
---|
| 542 | # ptsfile = 'testptsfile.pts' |
---|
| 543 | # write_ptsfile(ptsfile, points, z, |
---|
| 544 | # attribute_name = 'linear_combination') |
---|
| 545 | # |
---|
| 546 | # #Check contents |
---|
| 547 | # #Get NetCDF |
---|
| 548 | # from Scientific.IO.NetCDF import NetCDFFile |
---|
| 549 | # fid = NetCDFFile(ptsfile, 'r') |
---|
| 550 | # |
---|
| 551 | # # Get the variables |
---|
| 552 | # #print fid.variables.keys() |
---|
| 553 | # points1 = fid.variables['points'] |
---|
| 554 | # z1 = fid.variables['linear_combination'] |
---|
| 555 | # |
---|
| 556 | # #Check values# |
---|
| 557 | # |
---|
| 558 | # #print points[:] |
---|
| 559 | # #print ref_points |
---|
| 560 | # assert allclose(points, points1) |
---|
| 561 | # |
---|
| 562 | # #print attributes[:] |
---|
| 563 | # #print ref_elevation |
---|
| 564 | # assert allclose(z, z1) |
---|
| 565 | # |
---|
| 566 | # #Cleanup |
---|
| 567 | # fid.close() |
---|
| 568 | # |
---|
| 569 | # import os |
---|
| 570 | # os.remove(ptsfile) |
---|
| 571 | |
---|
| 572 | |
---|
| 573 | |
---|
| 574 | |
---|
| 575 | def test_dem2pts(self): |
---|
| 576 | """Test conversion from dem in ascii format to native NetCDF xya format |
---|
| 577 | """ |
---|
| 578 | |
---|
| 579 | import time, os |
---|
| 580 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 581 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 582 | |
---|
| 583 | #Write test asc file |
---|
| 584 | root = 'demtest' |
---|
| 585 | |
---|
| 586 | filename = root+'.asc' |
---|
| 587 | fid = open(filename, 'w') |
---|
| 588 | fid.write("""ncols 5 |
---|
| 589 | nrows 6 |
---|
| 590 | xllcorner 2000.5 |
---|
| 591 | yllcorner 3000.5 |
---|
| 592 | cellsize 25 |
---|
| 593 | NODATA_value -9999 |
---|
| 594 | """) |
---|
| 595 | #Create linear function |
---|
| 596 | |
---|
| 597 | ref_points = [] |
---|
| 598 | ref_elevation = [] |
---|
| 599 | for i in range(6): |
---|
| 600 | y = (6-i)*25.0 |
---|
| 601 | for j in range(5): |
---|
| 602 | x = j*25.0 |
---|
| 603 | z = x+2*y |
---|
| 604 | |
---|
| 605 | ref_points.append( [x,y] ) |
---|
| 606 | ref_elevation.append(z) |
---|
| 607 | fid.write('%f ' %z) |
---|
| 608 | fid.write('\n') |
---|
| 609 | |
---|
| 610 | fid.close() |
---|
| 611 | |
---|
| 612 | #Write prj file with metadata |
---|
| 613 | metafilename = root+'.prj' |
---|
| 614 | fid = open(metafilename, 'w') |
---|
| 615 | |
---|
| 616 | |
---|
| 617 | fid.write("""Projection UTM |
---|
| 618 | Zone 56 |
---|
| 619 | Datum WGS84 |
---|
| 620 | Zunits NO |
---|
| 621 | Units METERS |
---|
| 622 | Spheroid WGS84 |
---|
| 623 | Xshift 0.0000000000 |
---|
| 624 | Yshift 10000000.0000000000 |
---|
| 625 | Parameters |
---|
| 626 | """) |
---|
| 627 | fid.close() |
---|
| 628 | |
---|
| 629 | #Convert to NetCDF pts |
---|
| 630 | convert_dem_from_ascii2netcdf(root) |
---|
| 631 | dem2pts(root) |
---|
| 632 | |
---|
| 633 | #Check contents |
---|
| 634 | #Get NetCDF |
---|
| 635 | fid = NetCDFFile(root+'.pts', 'r') |
---|
| 636 | |
---|
| 637 | # Get the variables |
---|
| 638 | #print fid.variables.keys() |
---|
| 639 | points = fid.variables['points'] |
---|
| 640 | elevation = fid.variables['elevation'] |
---|
| 641 | |
---|
| 642 | #Check values |
---|
| 643 | |
---|
| 644 | #print points[:] |
---|
| 645 | #print ref_points |
---|
| 646 | assert allclose(points, ref_points) |
---|
| 647 | |
---|
| 648 | #print attributes[:] |
---|
| 649 | #print ref_elevation |
---|
| 650 | assert allclose(elevation, ref_elevation) |
---|
| 651 | |
---|
| 652 | #Cleanup |
---|
| 653 | fid.close() |
---|
| 654 | |
---|
| 655 | |
---|
| 656 | os.remove(root + '.pts') |
---|
| 657 | os.remove(root + '.dem') |
---|
| 658 | os.remove(root + '.asc') |
---|
| 659 | os.remove(root + '.prj') |
---|
| 660 | |
---|
| 661 | |
---|
| 662 | |
---|
| 663 | def test_dem2pts_bounding_box(self): |
---|
| 664 | """Test conversion from dem in ascii format to native NetCDF xya format |
---|
| 665 | """ |
---|
| 666 | |
---|
| 667 | import time, os |
---|
| 668 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 669 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 670 | |
---|
| 671 | #Write test asc file |
---|
| 672 | root = 'demtest' |
---|
| 673 | |
---|
| 674 | filename = root+'.asc' |
---|
| 675 | fid = open(filename, 'w') |
---|
| 676 | fid.write("""ncols 5 |
---|
| 677 | nrows 6 |
---|
| 678 | xllcorner 2000.5 |
---|
| 679 | yllcorner 3000.5 |
---|
| 680 | cellsize 25 |
---|
| 681 | NODATA_value -9999 |
---|
| 682 | """) |
---|
| 683 | #Create linear function |
---|
| 684 | |
---|
| 685 | ref_points = [] |
---|
| 686 | ref_elevation = [] |
---|
| 687 | for i in range(6): |
---|
| 688 | y = (6-i)*25.0 |
---|
| 689 | for j in range(5): |
---|
| 690 | x = j*25.0 |
---|
| 691 | z = x+2*y |
---|
| 692 | |
---|
| 693 | ref_points.append( [x,y] ) |
---|
| 694 | ref_elevation.append(z) |
---|
| 695 | fid.write('%f ' %z) |
---|
| 696 | fid.write('\n') |
---|
| 697 | |
---|
| 698 | fid.close() |
---|
| 699 | |
---|
| 700 | #Write prj file with metadata |
---|
| 701 | metafilename = root+'.prj' |
---|
| 702 | fid = open(metafilename, 'w') |
---|
| 703 | |
---|
| 704 | |
---|
| 705 | fid.write("""Projection UTM |
---|
| 706 | Zone 56 |
---|
| 707 | Datum WGS84 |
---|
| 708 | Zunits NO |
---|
| 709 | Units METERS |
---|
| 710 | Spheroid WGS84 |
---|
| 711 | Xshift 0.0000000000 |
---|
| 712 | Yshift 10000000.0000000000 |
---|
| 713 | Parameters |
---|
| 714 | """) |
---|
| 715 | fid.close() |
---|
| 716 | |
---|
| 717 | #Convert to NetCDF pts |
---|
| 718 | convert_dem_from_ascii2netcdf(root) |
---|
| 719 | dem2pts(root, easting_min=2010.0, easting_max=2110.0, |
---|
| 720 | northing_min=3035.0, northing_max=3125.5) |
---|
| 721 | |
---|
| 722 | #Check contents |
---|
| 723 | #Get NetCDF |
---|
| 724 | fid = NetCDFFile(root+'.pts', 'r') |
---|
| 725 | |
---|
| 726 | # Get the variables |
---|
| 727 | #print fid.variables.keys() |
---|
| 728 | points = fid.variables['points'] |
---|
| 729 | elevation = fid.variables['elevation'] |
---|
| 730 | |
---|
| 731 | #Check values |
---|
| 732 | assert fid.xllcorner[0] == 2010.0 |
---|
| 733 | assert fid.yllcorner[0] == 3035.0 |
---|
| 734 | |
---|
| 735 | #create new reference points |
---|
| 736 | ref_points = [] |
---|
| 737 | ref_elevation = [] |
---|
| 738 | for i in range(4): |
---|
| 739 | y = (4-i)*25.0 + 25.0 |
---|
| 740 | y_new = y + 3000.5 - 3035.0 |
---|
| 741 | for j in range(4): |
---|
| 742 | x = j*25.0 + 25.0 |
---|
| 743 | x_new = x + 2000.5 - 2010.0 |
---|
| 744 | z = x+2*y |
---|
| 745 | |
---|
| 746 | ref_points.append( [x_new,y_new] ) |
---|
| 747 | ref_elevation.append(z) |
---|
| 748 | |
---|
| 749 | #print points[:] |
---|
| 750 | #print ref_points |
---|
| 751 | assert allclose(points, ref_points) |
---|
| 752 | |
---|
| 753 | #print attributes[:] |
---|
| 754 | #print ref_elevation |
---|
| 755 | assert allclose(elevation, ref_elevation) |
---|
| 756 | |
---|
| 757 | #Cleanup |
---|
| 758 | fid.close() |
---|
| 759 | |
---|
| 760 | |
---|
| 761 | os.remove(root + '.pts') |
---|
| 762 | os.remove(root + '.dem') |
---|
| 763 | os.remove(root + '.asc') |
---|
| 764 | os.remove(root + '.prj') |
---|
| 765 | |
---|
| 766 | def test_dem2pts_remove_Nullvalues(self): |
---|
| 767 | """Test conversion from dem in ascii format to native NetCDF xya format |
---|
| 768 | """ |
---|
| 769 | |
---|
| 770 | import time, os |
---|
| 771 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 772 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 773 | |
---|
| 774 | #Write test asc file |
---|
| 775 | root = 'demtest' |
---|
| 776 | |
---|
| 777 | filename = root+'.asc' |
---|
| 778 | fid = open(filename, 'w') |
---|
| 779 | fid.write("""ncols 5 |
---|
| 780 | nrows 6 |
---|
| 781 | xllcorner 2000.5 |
---|
| 782 | yllcorner 3000.5 |
---|
| 783 | cellsize 25 |
---|
| 784 | NODATA_value -9999 |
---|
| 785 | """) |
---|
| 786 | #Create linear function |
---|
| 787 | # ref_ will write all the values |
---|
| 788 | # new_ref_ will write the values except for NODATA_values |
---|
| 789 | ref_points = [] |
---|
| 790 | ref_elevation = [] |
---|
| 791 | new_ref_pts = [] |
---|
| 792 | new_ref_elev = [] |
---|
| 793 | NODATA_value = -9999 |
---|
| 794 | for i in range(6): |
---|
| 795 | y = (6-i)*25.0 |
---|
| 796 | for j in range(5): |
---|
| 797 | x = j*25.0 |
---|
| 798 | z = x+2*y |
---|
| 799 | if j == 4: z = NODATA_value # column |
---|
| 800 | if i == 2 and j == 2: z = NODATA_value # random |
---|
| 801 | if i == 5 and j == 1: z = NODATA_value |
---|
| 802 | if i == 1: z = NODATA_value # row |
---|
| 803 | if i == 3 and j == 1: z = NODATA_value # two pts/row |
---|
| 804 | if i == 3 and j == 3: z = NODATA_value |
---|
| 805 | |
---|
| 806 | |
---|
| 807 | if z <> NODATA_value: |
---|
| 808 | new_ref_elev.append(z) |
---|
| 809 | new_ref_pts.append( [x,y] ) |
---|
| 810 | |
---|
| 811 | ref_points.append( [x,y] ) |
---|
| 812 | ref_elevation.append(z) |
---|
| 813 | |
---|
| 814 | fid.write('%f ' %z) |
---|
| 815 | fid.write('\n') |
---|
| 816 | |
---|
| 817 | fid.close() |
---|
| 818 | |
---|
| 819 | |
---|
| 820 | #Write prj file with metadata |
---|
| 821 | metafilename = root+'.prj' |
---|
| 822 | fid = open(metafilename, 'w') |
---|
| 823 | |
---|
| 824 | |
---|
| 825 | fid.write("""Projection UTM |
---|
| 826 | Zone 56 |
---|
| 827 | Datum WGS84 |
---|
| 828 | Zunits NO |
---|
| 829 | Units METERS |
---|
| 830 | Spheroid WGS84 |
---|
| 831 | Xshift 0.0000000000 |
---|
| 832 | Yshift 10000000.0000000000 |
---|
| 833 | Parameters |
---|
| 834 | """) |
---|
| 835 | fid.close() |
---|
| 836 | |
---|
| 837 | #Convert to NetCDF pts |
---|
| 838 | convert_dem_from_ascii2netcdf(root) |
---|
| 839 | dem2pts(root) |
---|
| 840 | |
---|
| 841 | #Check contents |
---|
| 842 | #Get NetCDF |
---|
| 843 | fid = NetCDFFile(root+'.pts', 'r') |
---|
| 844 | |
---|
| 845 | # Get the variables |
---|
| 846 | #print fid.variables.keys() |
---|
| 847 | points = fid.variables['points'] |
---|
| 848 | elevation = fid.variables['elevation'] |
---|
| 849 | |
---|
| 850 | #Check values |
---|
| 851 | #print 'points', points[:] |
---|
| 852 | assert len(points) == len(new_ref_pts), 'length of returned points not correct' |
---|
| 853 | assert allclose(points, new_ref_pts), 'points do not align' |
---|
| 854 | |
---|
| 855 | #print 'elevation', elevation[:] |
---|
| 856 | assert len(elevation) == len(new_ref_elev), 'length of returned elevation not correct' |
---|
| 857 | assert allclose(elevation, new_ref_elev), 'elevations do not align' |
---|
| 858 | |
---|
| 859 | #Cleanup |
---|
| 860 | fid.close() |
---|
| 861 | |
---|
| 862 | |
---|
| 863 | os.remove(root + '.pts') |
---|
| 864 | os.remove(root + '.dem') |
---|
| 865 | os.remove(root + '.asc') |
---|
| 866 | os.remove(root + '.prj') |
---|
| 867 | |
---|
| 868 | def test_dem2pts_bounding_box_Nullvalues(self): |
---|
| 869 | """Test conversion from dem in ascii format to native NetCDF xya format |
---|
| 870 | """ |
---|
| 871 | |
---|
| 872 | import time, os |
---|
| 873 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 874 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 875 | |
---|
| 876 | #Write test asc file |
---|
| 877 | root = 'demtest' |
---|
| 878 | |
---|
| 879 | filename = root+'.asc' |
---|
| 880 | fid = open(filename, 'w') |
---|
| 881 | fid.write("""ncols 5 |
---|
| 882 | nrows 6 |
---|
| 883 | xllcorner 2000.5 |
---|
| 884 | yllcorner 3000.5 |
---|
| 885 | cellsize 25 |
---|
| 886 | NODATA_value -9999 |
---|
| 887 | """) |
---|
| 888 | #Create linear function |
---|
| 889 | |
---|
| 890 | ref_points = [] |
---|
| 891 | ref_elevation = [] |
---|
| 892 | new_ref_pts1 = [] |
---|
| 893 | new_ref_elev1 = [] |
---|
| 894 | NODATA_value = -9999 |
---|
| 895 | for i in range(6): |
---|
| 896 | y = (6-i)*25.0 |
---|
| 897 | for j in range(5): |
---|
| 898 | x = j*25.0 |
---|
| 899 | z = x+2*y |
---|
| 900 | if j == 4: z = NODATA_value # column |
---|
| 901 | if i == 2 and j == 2: z = NODATA_value # random |
---|
| 902 | if i == 5 and j == 1: z = NODATA_value |
---|
| 903 | if i == 1: z = NODATA_value # row |
---|
| 904 | if i == 3 and j == 1: z = NODATA_value # two pts/row |
---|
| 905 | if i == 3 and j == 3: z = NODATA_value |
---|
| 906 | |
---|
| 907 | if z <> NODATA_value: |
---|
| 908 | new_ref_elev1.append(z) |
---|
| 909 | new_ref_pts1.append( [x,y] ) |
---|
| 910 | |
---|
| 911 | ref_points.append( [x,y] ) |
---|
| 912 | ref_elevation.append(z) |
---|
| 913 | fid.write('%f ' %z) |
---|
| 914 | fid.write('\n') |
---|
| 915 | |
---|
| 916 | fid.close() |
---|
| 917 | |
---|
| 918 | #Write prj file with metadata |
---|
| 919 | metafilename = root+'.prj' |
---|
| 920 | fid = open(metafilename, 'w') |
---|
| 921 | |
---|
| 922 | |
---|
| 923 | fid.write("""Projection UTM |
---|
| 924 | Zone 56 |
---|
| 925 | Datum WGS84 |
---|
| 926 | Zunits NO |
---|
| 927 | Units METERS |
---|
| 928 | Spheroid WGS84 |
---|
| 929 | Xshift 0.0000000000 |
---|
| 930 | Yshift 10000000.0000000000 |
---|
| 931 | Parameters |
---|
| 932 | """) |
---|
| 933 | fid.close() |
---|
| 934 | |
---|
| 935 | #Convert to NetCDF pts |
---|
| 936 | convert_dem_from_ascii2netcdf(root) |
---|
| 937 | dem2pts(root, easting_min=2010.0, easting_max=2110.0, |
---|
| 938 | northing_min=3035.0, northing_max=3125.5) |
---|
| 939 | |
---|
| 940 | #Check contents |
---|
| 941 | #Get NetCDF |
---|
| 942 | fid = NetCDFFile(root+'.pts', 'r') |
---|
| 943 | |
---|
| 944 | # Get the variables |
---|
| 945 | #print fid.variables.keys() |
---|
| 946 | points = fid.variables['points'] |
---|
| 947 | elevation = fid.variables['elevation'] |
---|
| 948 | |
---|
| 949 | #Check values |
---|
| 950 | assert fid.xllcorner[0] == 2010.0 |
---|
| 951 | assert fid.yllcorner[0] == 3035.0 |
---|
| 952 | |
---|
| 953 | #create new reference points |
---|
| 954 | ref_points = [] |
---|
| 955 | ref_elevation = [] |
---|
| 956 | new_ref_pts2 = [] |
---|
| 957 | new_ref_elev2 = [] |
---|
| 958 | for i in range(4): |
---|
| 959 | y = (4-i)*25.0 + 25.0 |
---|
| 960 | y_new = y + 3000.5 - 3035.0 |
---|
| 961 | for j in range(4): |
---|
| 962 | x = j*25.0 + 25.0 |
---|
| 963 | x_new = x + 2000.5 - 2010.0 |
---|
| 964 | z = x+2*y |
---|
| 965 | |
---|
| 966 | if j == 3: z = NODATA_value # column |
---|
| 967 | if i == 1 and j == 1: z = NODATA_value # random |
---|
| 968 | if i == 4 and j == 0: z = NODATA_value |
---|
| 969 | if i == 0: z = NODATA_value # row |
---|
| 970 | if i == 2 and j == 0: z = NODATA_value # two pts/row |
---|
| 971 | if i == 2 and j == 2: z = NODATA_value |
---|
| 972 | |
---|
| 973 | if z <> NODATA_value: |
---|
| 974 | new_ref_elev2.append(z) |
---|
| 975 | new_ref_pts2.append( [x_new,y_new] ) |
---|
| 976 | |
---|
| 977 | |
---|
| 978 | ref_points.append( [x_new,y_new] ) |
---|
| 979 | ref_elevation.append(z) |
---|
| 980 | |
---|
| 981 | #print points[:] |
---|
| 982 | #print ref_points |
---|
| 983 | #assert allclose(points, ref_points) |
---|
| 984 | |
---|
| 985 | #print attributes[:] |
---|
| 986 | #print ref_elevation |
---|
| 987 | #assert allclose(elevation, ref_elevation) |
---|
| 988 | |
---|
| 989 | |
---|
| 990 | assert len(points) == len(new_ref_pts2), 'length of returned points not correct' |
---|
| 991 | assert allclose(points, new_ref_pts2), 'points do not align' |
---|
| 992 | |
---|
| 993 | #print 'elevation', elevation[:] |
---|
| 994 | assert len(elevation) == len(new_ref_elev2), 'length of returned elevation not correct' |
---|
| 995 | assert allclose(elevation, new_ref_elev2), 'elevations do not align' |
---|
| 996 | #Cleanup |
---|
| 997 | fid.close() |
---|
| 998 | |
---|
| 999 | |
---|
| 1000 | os.remove(root + '.pts') |
---|
| 1001 | os.remove(root + '.dem') |
---|
| 1002 | os.remove(root + '.asc') |
---|
| 1003 | os.remove(root + '.prj') |
---|
| 1004 | |
---|
| 1005 | |
---|
| 1006 | |
---|
| 1007 | |
---|
| 1008 | def test_hecras_cross_sections2pts(self): |
---|
| 1009 | """Test conversion from HECRAS cross sections in ascii format |
---|
| 1010 | to native NetCDF pts format |
---|
| 1011 | """ |
---|
| 1012 | |
---|
| 1013 | import time, os |
---|
| 1014 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 1015 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 1016 | |
---|
| 1017 | #Write test asc file |
---|
| 1018 | root = 'hecrastest' |
---|
| 1019 | |
---|
| 1020 | filename = root+'.sdf' |
---|
| 1021 | fid = open(filename, 'w') |
---|
| 1022 | fid.write(""" |
---|
| 1023 | # RAS export file created on Mon 15Aug2005 11:42 |
---|
| 1024 | # by HEC-RAS Version 3.1.1 |
---|
| 1025 | |
---|
| 1026 | BEGIN HEADER: |
---|
| 1027 | UNITS: METRIC |
---|
| 1028 | DTM TYPE: TIN |
---|
| 1029 | DTM: v:\1\cit\perth_topo\river_tin |
---|
| 1030 | STREAM LAYER: c:\\x_local\hecras\21_02_03\up_canning_cent3d.shp |
---|
| 1031 | CROSS-SECTION LAYER: c:\\x_local\hecras\21_02_03\up_can_xs3d.shp |
---|
| 1032 | MAP PROJECTION: UTM |
---|
| 1033 | PROJECTION ZONE: 50 |
---|
| 1034 | DATUM: AGD66 |
---|
| 1035 | VERTICAL DATUM: |
---|
| 1036 | NUMBER OF REACHES: 19 |
---|
| 1037 | NUMBER OF CROSS-SECTIONS: 2 |
---|
| 1038 | END HEADER: |
---|
| 1039 | |
---|
| 1040 | |
---|
| 1041 | BEGIN CROSS-SECTIONS: |
---|
| 1042 | |
---|
| 1043 | CROSS-SECTION: |
---|
| 1044 | STREAM ID:Southern-Wungong |
---|
| 1045 | REACH ID:Southern-Wungong |
---|
| 1046 | STATION:21410 |
---|
| 1047 | CUT LINE: |
---|
| 1048 | 407546.08 , 6437277.542 |
---|
| 1049 | 407329.32 , 6437489.482 |
---|
| 1050 | 407283.11 , 6437541.232 |
---|
| 1051 | SURFACE LINE: |
---|
| 1052 | 407546.08, 6437277.54, 52.14 |
---|
| 1053 | 407538.88, 6437284.58, 51.07 |
---|
| 1054 | 407531.68, 6437291.62, 50.56 |
---|
| 1055 | 407524.48, 6437298.66, 49.58 |
---|
| 1056 | 407517.28, 6437305.70, 49.09 |
---|
| 1057 | 407510.08, 6437312.74, 48.76 |
---|
| 1058 | END: |
---|
| 1059 | |
---|
| 1060 | CROSS-SECTION: |
---|
| 1061 | STREAM ID:Swan River |
---|
| 1062 | REACH ID:Swan Mouth |
---|
| 1063 | STATION:840.* |
---|
| 1064 | CUT LINE: |
---|
| 1065 | 381178.0855 , 6452559.0685 |
---|
| 1066 | 380485.4755 , 6453169.272 |
---|
| 1067 | SURFACE LINE: |
---|
| 1068 | 381178.09, 6452559.07, 4.17 |
---|
| 1069 | 381169.49, 6452566.64, 4.26 |
---|
| 1070 | 381157.78, 6452576.96, 4.34 |
---|
| 1071 | 381155.97, 6452578.56, 4.35 |
---|
| 1072 | 381143.72, 6452589.35, 4.43 |
---|
| 1073 | 381136.69, 6452595.54, 4.58 |
---|
| 1074 | 381114.74, 6452614.88, 4.41 |
---|
| 1075 | 381075.53, 6452649.43, 4.17 |
---|
| 1076 | 381071.47, 6452653.00, 3.99 |
---|
| 1077 | 381063.46, 6452660.06, 3.67 |
---|
| 1078 | 381054.41, 6452668.03, 3.67 |
---|
| 1079 | END: |
---|
| 1080 | END CROSS-SECTIONS: |
---|
| 1081 | """) |
---|
| 1082 | |
---|
| 1083 | fid.close() |
---|
| 1084 | |
---|
| 1085 | |
---|
| 1086 | #Convert to NetCDF pts |
---|
| 1087 | hecras_cross_sections2pts(root) |
---|
| 1088 | |
---|
| 1089 | #Check contents |
---|
| 1090 | #Get NetCDF |
---|
| 1091 | fid = NetCDFFile(root+'.pts', 'r') |
---|
| 1092 | |
---|
| 1093 | # Get the variables |
---|
| 1094 | #print fid.variables.keys() |
---|
| 1095 | points = fid.variables['points'] |
---|
| 1096 | elevation = fid.variables['elevation'] |
---|
| 1097 | |
---|
| 1098 | #Check values |
---|
| 1099 | ref_points = [[407546.08, 6437277.54], |
---|
| 1100 | [407538.88, 6437284.58], |
---|
| 1101 | [407531.68, 6437291.62], |
---|
| 1102 | [407524.48, 6437298.66], |
---|
| 1103 | [407517.28, 6437305.70], |
---|
| 1104 | [407510.08, 6437312.74]] |
---|
| 1105 | |
---|
| 1106 | ref_points += [[381178.09, 6452559.07], |
---|
| 1107 | [381169.49, 6452566.64], |
---|
| 1108 | [381157.78, 6452576.96], |
---|
| 1109 | [381155.97, 6452578.56], |
---|
| 1110 | [381143.72, 6452589.35], |
---|
| 1111 | [381136.69, 6452595.54], |
---|
| 1112 | [381114.74, 6452614.88], |
---|
| 1113 | [381075.53, 6452649.43], |
---|
| 1114 | [381071.47, 6452653.00], |
---|
| 1115 | [381063.46, 6452660.06], |
---|
| 1116 | [381054.41, 6452668.03]] |
---|
| 1117 | |
---|
| 1118 | |
---|
| 1119 | ref_elevation = [52.14, 51.07, 50.56, 49.58, 49.09, 48.76] |
---|
| 1120 | ref_elevation += [4.17, 4.26, 4.34, 4.35, 4.43, 4.58, 4.41, 4.17, 3.99, 3.67, 3.67] |
---|
| 1121 | |
---|
| 1122 | #print points[:] |
---|
| 1123 | #print ref_points |
---|
| 1124 | assert allclose(points, ref_points) |
---|
| 1125 | |
---|
| 1126 | #print attributes[:] |
---|
| 1127 | #print ref_elevation |
---|
| 1128 | assert allclose(elevation, ref_elevation) |
---|
| 1129 | |
---|
| 1130 | #Cleanup |
---|
| 1131 | fid.close() |
---|
| 1132 | |
---|
| 1133 | |
---|
| 1134 | os.remove(root + '.sdf') |
---|
| 1135 | os.remove(root + '.pts') |
---|
| 1136 | |
---|
| 1137 | |
---|
| 1138 | |
---|
| 1139 | def test_sww2dem_asc_elevation(self): |
---|
| 1140 | """Test that sww information can be converted correctly to asc/prj |
---|
| 1141 | format readable by e.g. ArcView |
---|
| 1142 | """ |
---|
| 1143 | |
---|
| 1144 | import time, os |
---|
| 1145 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 1146 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 1147 | |
---|
| 1148 | #Setup |
---|
| 1149 | self.domain.filename = 'datatest' |
---|
| 1150 | |
---|
| 1151 | prjfile = self.domain.filename + '_elevation.prj' |
---|
| 1152 | ascfile = self.domain.filename + '_elevation.asc' |
---|
| 1153 | swwfile = self.domain.filename + '.sww' |
---|
| 1154 | |
---|
| 1155 | self.domain.set_datadir('.') |
---|
| 1156 | self.domain.format = 'sww' |
---|
| 1157 | self.domain.smooth = True |
---|
| 1158 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
| 1159 | |
---|
| 1160 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
| 1161 | |
---|
| 1162 | sww = get_dataobject(self.domain) |
---|
| 1163 | sww.store_connectivity() |
---|
| 1164 | sww.store_timestep('stage') |
---|
| 1165 | |
---|
| 1166 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
| 1167 | sww.store_timestep('stage') |
---|
| 1168 | |
---|
| 1169 | cellsize = 0.25 |
---|
| 1170 | #Check contents |
---|
| 1171 | #Get NetCDF |
---|
| 1172 | |
---|
| 1173 | fid = NetCDFFile(sww.filename, 'r') |
---|
| 1174 | |
---|
| 1175 | # Get the variables |
---|
| 1176 | x = fid.variables['x'][:] |
---|
| 1177 | y = fid.variables['y'][:] |
---|
| 1178 | z = fid.variables['elevation'][:] |
---|
| 1179 | time = fid.variables['time'][:] |
---|
| 1180 | stage = fid.variables['stage'][:] |
---|
| 1181 | |
---|
| 1182 | |
---|
| 1183 | #Export to ascii/prj files |
---|
| 1184 | sww2dem(self.domain.filename, |
---|
| 1185 | quantity = 'elevation', |
---|
| 1186 | cellsize = cellsize, |
---|
| 1187 | verbose = False, |
---|
| 1188 | format = 'asc') |
---|
| 1189 | |
---|
| 1190 | #Check prj (meta data) |
---|
| 1191 | prjid = open(prjfile) |
---|
| 1192 | lines = prjid.readlines() |
---|
| 1193 | prjid.close() |
---|
| 1194 | |
---|
| 1195 | L = lines[0].strip().split() |
---|
| 1196 | assert L[0].strip().lower() == 'projection' |
---|
| 1197 | assert L[1].strip().lower() == 'utm' |
---|
| 1198 | |
---|
| 1199 | L = lines[1].strip().split() |
---|
| 1200 | assert L[0].strip().lower() == 'zone' |
---|
| 1201 | assert L[1].strip().lower() == '56' |
---|
| 1202 | |
---|
| 1203 | L = lines[2].strip().split() |
---|
| 1204 | assert L[0].strip().lower() == 'datum' |
---|
| 1205 | assert L[1].strip().lower() == 'wgs84' |
---|
| 1206 | |
---|
| 1207 | L = lines[3].strip().split() |
---|
| 1208 | assert L[0].strip().lower() == 'zunits' |
---|
| 1209 | assert L[1].strip().lower() == 'no' |
---|
| 1210 | |
---|
| 1211 | L = lines[4].strip().split() |
---|
| 1212 | assert L[0].strip().lower() == 'units' |
---|
| 1213 | assert L[1].strip().lower() == 'meters' |
---|
| 1214 | |
---|
| 1215 | L = lines[5].strip().split() |
---|
| 1216 | assert L[0].strip().lower() == 'spheroid' |
---|
| 1217 | assert L[1].strip().lower() == 'wgs84' |
---|
| 1218 | |
---|
| 1219 | L = lines[6].strip().split() |
---|
| 1220 | assert L[0].strip().lower() == 'xshift' |
---|
| 1221 | assert L[1].strip().lower() == '500000' |
---|
| 1222 | |
---|
| 1223 | L = lines[7].strip().split() |
---|
| 1224 | assert L[0].strip().lower() == 'yshift' |
---|
| 1225 | assert L[1].strip().lower() == '10000000' |
---|
| 1226 | |
---|
| 1227 | L = lines[8].strip().split() |
---|
| 1228 | assert L[0].strip().lower() == 'parameters' |
---|
| 1229 | |
---|
| 1230 | |
---|
| 1231 | #Check asc file |
---|
| 1232 | ascid = open(ascfile) |
---|
| 1233 | lines = ascid.readlines() |
---|
| 1234 | ascid.close() |
---|
| 1235 | |
---|
| 1236 | L = lines[0].strip().split() |
---|
| 1237 | assert L[0].strip().lower() == 'ncols' |
---|
| 1238 | assert L[1].strip().lower() == '5' |
---|
| 1239 | |
---|
| 1240 | L = lines[1].strip().split() |
---|
| 1241 | assert L[0].strip().lower() == 'nrows' |
---|
| 1242 | assert L[1].strip().lower() == '5' |
---|
| 1243 | |
---|
| 1244 | L = lines[2].strip().split() |
---|
| 1245 | assert L[0].strip().lower() == 'xllcorner' |
---|
| 1246 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
| 1247 | |
---|
| 1248 | L = lines[3].strip().split() |
---|
| 1249 | assert L[0].strip().lower() == 'yllcorner' |
---|
| 1250 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
| 1251 | |
---|
| 1252 | L = lines[4].strip().split() |
---|
| 1253 | assert L[0].strip().lower() == 'cellsize' |
---|
| 1254 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
| 1255 | |
---|
| 1256 | L = lines[5].strip().split() |
---|
| 1257 | assert L[0].strip() == 'NODATA_value' |
---|
| 1258 | assert L[1].strip().lower() == '-9999' |
---|
| 1259 | |
---|
| 1260 | #Check grid values |
---|
| 1261 | for j in range(5): |
---|
| 1262 | L = lines[6+j].strip().split() |
---|
| 1263 | y = (4-j) * cellsize |
---|
| 1264 | for i in range(5): |
---|
| 1265 | assert allclose(float(L[i]), -i*cellsize - y) |
---|
| 1266 | |
---|
| 1267 | |
---|
| 1268 | fid.close() |
---|
| 1269 | |
---|
| 1270 | #Cleanup |
---|
| 1271 | os.remove(prjfile) |
---|
| 1272 | os.remove(ascfile) |
---|
| 1273 | os.remove(swwfile) |
---|
| 1274 | |
---|
| 1275 | |
---|
| 1276 | |
---|
| 1277 | def test_sww2dem_larger(self): |
---|
| 1278 | """Test that sww information can be converted correctly to asc/prj |
---|
| 1279 | format readable by e.g. ArcView. Here: |
---|
| 1280 | |
---|
| 1281 | ncols 11 |
---|
| 1282 | nrows 11 |
---|
| 1283 | xllcorner 308500 |
---|
| 1284 | yllcorner 6189000 |
---|
| 1285 | cellsize 10.000000 |
---|
| 1286 | NODATA_value -9999 |
---|
| 1287 | -100 -110 -120 -130 -140 -150 -160 -170 -180 -190 -200 |
---|
| 1288 | -90 -100 -110 -120 -130 -140 -150 -160 -170 -180 -190 |
---|
| 1289 | -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 -180 |
---|
| 1290 | -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 |
---|
| 1291 | -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 |
---|
| 1292 | -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 |
---|
| 1293 | -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 |
---|
| 1294 | -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 |
---|
| 1295 | -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 |
---|
| 1296 | -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 |
---|
| 1297 | 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 |
---|
| 1298 | |
---|
| 1299 | """ |
---|
| 1300 | |
---|
| 1301 | import time, os |
---|
| 1302 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 1303 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 1304 | |
---|
| 1305 | #Setup |
---|
| 1306 | |
---|
| 1307 | from mesh_factory import rectangular |
---|
| 1308 | |
---|
| 1309 | #Create basic mesh (100m x 100m) |
---|
| 1310 | points, vertices, boundary = rectangular(2, 2, 100, 100) |
---|
| 1311 | |
---|
| 1312 | #Create shallow water domain |
---|
| 1313 | domain = Domain(points, vertices, boundary) |
---|
| 1314 | domain.default_order = 2 |
---|
| 1315 | |
---|
| 1316 | domain.filename = 'datatest' |
---|
| 1317 | |
---|
| 1318 | prjfile = domain.filename + '_elevation.prj' |
---|
| 1319 | ascfile = domain.filename + '_elevation.asc' |
---|
| 1320 | swwfile = domain.filename + '.sww' |
---|
| 1321 | |
---|
| 1322 | domain.set_datadir('.') |
---|
| 1323 | domain.format = 'sww' |
---|
| 1324 | domain.smooth = True |
---|
| 1325 | domain.geo_reference = Geo_reference(56, 308500, 6189000) |
---|
| 1326 | |
---|
| 1327 | # |
---|
| 1328 | domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
| 1329 | domain.set_quantity('stage', 0) |
---|
| 1330 | |
---|
| 1331 | B = Transmissive_boundary(domain) |
---|
| 1332 | domain.set_boundary( {'left': B, 'right': B, 'top': B, 'bottom': B}) |
---|
| 1333 | |
---|
| 1334 | |
---|
| 1335 | # |
---|
| 1336 | sww = get_dataobject(domain) |
---|
| 1337 | sww.store_connectivity() |
---|
| 1338 | sww.store_timestep('stage') |
---|
| 1339 | |
---|
| 1340 | domain.evolve_to_end(finaltime = 0.01) |
---|
| 1341 | sww.store_timestep('stage') |
---|
| 1342 | |
---|
| 1343 | cellsize = 10 #10m grid |
---|
| 1344 | |
---|
| 1345 | |
---|
| 1346 | #Check contents |
---|
| 1347 | #Get NetCDF |
---|
| 1348 | |
---|
| 1349 | fid = NetCDFFile(sww.filename, 'r') |
---|
| 1350 | |
---|
| 1351 | # Get the variables |
---|
| 1352 | x = fid.variables['x'][:] |
---|
| 1353 | y = fid.variables['y'][:] |
---|
| 1354 | z = fid.variables['elevation'][:] |
---|
| 1355 | time = fid.variables['time'][:] |
---|
| 1356 | stage = fid.variables['stage'][:] |
---|
| 1357 | |
---|
| 1358 | |
---|
| 1359 | #Export to ascii/prj files |
---|
| 1360 | sww2dem(domain.filename, |
---|
| 1361 | quantity = 'elevation', |
---|
| 1362 | cellsize = cellsize, |
---|
| 1363 | verbose = False, |
---|
| 1364 | format = 'asc') |
---|
| 1365 | |
---|
| 1366 | |
---|
| 1367 | #Check prj (meta data) |
---|
| 1368 | prjid = open(prjfile) |
---|
| 1369 | lines = prjid.readlines() |
---|
| 1370 | prjid.close() |
---|
| 1371 | |
---|
| 1372 | L = lines[0].strip().split() |
---|
| 1373 | assert L[0].strip().lower() == 'projection' |
---|
| 1374 | assert L[1].strip().lower() == 'utm' |
---|
| 1375 | |
---|
| 1376 | L = lines[1].strip().split() |
---|
| 1377 | assert L[0].strip().lower() == 'zone' |
---|
| 1378 | assert L[1].strip().lower() == '56' |
---|
| 1379 | |
---|
| 1380 | L = lines[2].strip().split() |
---|
| 1381 | assert L[0].strip().lower() == 'datum' |
---|
| 1382 | assert L[1].strip().lower() == 'wgs84' |
---|
| 1383 | |
---|
| 1384 | L = lines[3].strip().split() |
---|
| 1385 | assert L[0].strip().lower() == 'zunits' |
---|
| 1386 | assert L[1].strip().lower() == 'no' |
---|
| 1387 | |
---|
| 1388 | L = lines[4].strip().split() |
---|
| 1389 | assert L[0].strip().lower() == 'units' |
---|
| 1390 | assert L[1].strip().lower() == 'meters' |
---|
| 1391 | |
---|
| 1392 | L = lines[5].strip().split() |
---|
| 1393 | assert L[0].strip().lower() == 'spheroid' |
---|
| 1394 | assert L[1].strip().lower() == 'wgs84' |
---|
| 1395 | |
---|
| 1396 | L = lines[6].strip().split() |
---|
| 1397 | assert L[0].strip().lower() == 'xshift' |
---|
| 1398 | assert L[1].strip().lower() == '500000' |
---|
| 1399 | |
---|
| 1400 | L = lines[7].strip().split() |
---|
| 1401 | assert L[0].strip().lower() == 'yshift' |
---|
| 1402 | assert L[1].strip().lower() == '10000000' |
---|
| 1403 | |
---|
| 1404 | L = lines[8].strip().split() |
---|
| 1405 | assert L[0].strip().lower() == 'parameters' |
---|
| 1406 | |
---|
| 1407 | |
---|
| 1408 | #Check asc file |
---|
| 1409 | ascid = open(ascfile) |
---|
| 1410 | lines = ascid.readlines() |
---|
| 1411 | ascid.close() |
---|
| 1412 | |
---|
| 1413 | L = lines[0].strip().split() |
---|
| 1414 | assert L[0].strip().lower() == 'ncols' |
---|
| 1415 | assert L[1].strip().lower() == '11' |
---|
| 1416 | |
---|
| 1417 | L = lines[1].strip().split() |
---|
| 1418 | assert L[0].strip().lower() == 'nrows' |
---|
| 1419 | assert L[1].strip().lower() == '11' |
---|
| 1420 | |
---|
| 1421 | L = lines[2].strip().split() |
---|
| 1422 | assert L[0].strip().lower() == 'xllcorner' |
---|
| 1423 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
| 1424 | |
---|
| 1425 | L = lines[3].strip().split() |
---|
| 1426 | assert L[0].strip().lower() == 'yllcorner' |
---|
| 1427 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
| 1428 | |
---|
| 1429 | L = lines[4].strip().split() |
---|
| 1430 | assert L[0].strip().lower() == 'cellsize' |
---|
| 1431 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
| 1432 | |
---|
| 1433 | L = lines[5].strip().split() |
---|
| 1434 | assert L[0].strip() == 'NODATA_value' |
---|
| 1435 | assert L[1].strip().lower() == '-9999' |
---|
| 1436 | |
---|
| 1437 | #Check grid values (FIXME: Use same strategy for other sww2dem tests) |
---|
| 1438 | for i, line in enumerate(lines[6:]): |
---|
| 1439 | for j, value in enumerate( line.split() ): |
---|
| 1440 | #assert allclose(float(value), -(10-i+j)*cellsize) |
---|
| 1441 | assert float(value) == -(10-i+j)*cellsize |
---|
| 1442 | |
---|
| 1443 | |
---|
| 1444 | fid.close() |
---|
| 1445 | |
---|
| 1446 | #Cleanup |
---|
| 1447 | os.remove(prjfile) |
---|
| 1448 | os.remove(ascfile) |
---|
| 1449 | os.remove(swwfile) |
---|
| 1450 | |
---|
| 1451 | |
---|
| 1452 | |
---|
| 1453 | def test_sww2dem_boundingbox(self): |
---|
| 1454 | """Test that sww information can be converted correctly to asc/prj |
---|
| 1455 | format readable by e.g. ArcView. |
---|
| 1456 | This will test that mesh can be restricted by bounding box |
---|
| 1457 | |
---|
| 1458 | Original extent is 100m x 100m: |
---|
| 1459 | |
---|
| 1460 | Eastings: 308500 - 308600 |
---|
| 1461 | Northings: 6189000 - 6189100 |
---|
| 1462 | |
---|
| 1463 | Bounding box changes this to the 50m x 50m square defined by |
---|
| 1464 | |
---|
| 1465 | Eastings: 308530 - 308570 |
---|
| 1466 | Northings: 6189050 - 6189100 |
---|
| 1467 | |
---|
| 1468 | The cropped values should be |
---|
| 1469 | |
---|
| 1470 | -130 -140 -150 -160 -170 |
---|
| 1471 | -120 -130 -140 -150 -160 |
---|
| 1472 | -110 -120 -130 -140 -150 |
---|
| 1473 | -100 -110 -120 -130 -140 |
---|
| 1474 | -90 -100 -110 -120 -130 |
---|
| 1475 | -80 -90 -100 -110 -120 |
---|
| 1476 | |
---|
| 1477 | and the new lower reference point should be |
---|
| 1478 | Eastings: 308530 |
---|
| 1479 | Northings: 6189050 |
---|
| 1480 | |
---|
| 1481 | Original dataset is the same as in test_sww2dem_larger() |
---|
| 1482 | |
---|
| 1483 | """ |
---|
| 1484 | |
---|
| 1485 | import time, os |
---|
| 1486 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 1487 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 1488 | |
---|
| 1489 | #Setup |
---|
| 1490 | |
---|
| 1491 | from mesh_factory import rectangular |
---|
| 1492 | |
---|
| 1493 | #Create basic mesh (100m x 100m) |
---|
| 1494 | points, vertices, boundary = rectangular(2, 2, 100, 100) |
---|
| 1495 | |
---|
| 1496 | #Create shallow water domain |
---|
| 1497 | domain = Domain(points, vertices, boundary) |
---|
| 1498 | domain.default_order = 2 |
---|
| 1499 | |
---|
| 1500 | domain.filename = 'datatest' |
---|
| 1501 | |
---|
| 1502 | prjfile = domain.filename + '_elevation.prj' |
---|
| 1503 | ascfile = domain.filename + '_elevation.asc' |
---|
| 1504 | swwfile = domain.filename + '.sww' |
---|
| 1505 | |
---|
| 1506 | domain.set_datadir('.') |
---|
| 1507 | domain.format = 'sww' |
---|
| 1508 | domain.smooth = True |
---|
| 1509 | domain.geo_reference = Geo_reference(56, 308500, 6189000) |
---|
| 1510 | |
---|
| 1511 | # |
---|
| 1512 | domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
| 1513 | domain.set_quantity('stage', 0) |
---|
| 1514 | |
---|
| 1515 | B = Transmissive_boundary(domain) |
---|
| 1516 | domain.set_boundary( {'left': B, 'right': B, 'top': B, 'bottom': B}) |
---|
| 1517 | |
---|
| 1518 | |
---|
| 1519 | # |
---|
| 1520 | sww = get_dataobject(domain) |
---|
| 1521 | sww.store_connectivity() |
---|
| 1522 | sww.store_timestep('stage') |
---|
| 1523 | |
---|
| 1524 | domain.evolve_to_end(finaltime = 0.01) |
---|
| 1525 | sww.store_timestep('stage') |
---|
| 1526 | |
---|
| 1527 | cellsize = 10 #10m grid |
---|
| 1528 | |
---|
| 1529 | |
---|
| 1530 | #Check contents |
---|
| 1531 | #Get NetCDF |
---|
| 1532 | |
---|
| 1533 | fid = NetCDFFile(sww.filename, 'r') |
---|
| 1534 | |
---|
| 1535 | # Get the variables |
---|
| 1536 | x = fid.variables['x'][:] |
---|
| 1537 | y = fid.variables['y'][:] |
---|
| 1538 | z = fid.variables['elevation'][:] |
---|
| 1539 | time = fid.variables['time'][:] |
---|
| 1540 | stage = fid.variables['stage'][:] |
---|
| 1541 | |
---|
| 1542 | |
---|
| 1543 | #Export to ascii/prj files |
---|
| 1544 | sww2dem(domain.filename, |
---|
| 1545 | quantity = 'elevation', |
---|
| 1546 | cellsize = cellsize, |
---|
| 1547 | easting_min = 308530, |
---|
| 1548 | easting_max = 308570, |
---|
| 1549 | northing_min = 6189050, |
---|
| 1550 | northing_max = 6189100, |
---|
| 1551 | verbose = False, |
---|
| 1552 | format = 'asc') |
---|
| 1553 | |
---|
| 1554 | fid.close() |
---|
| 1555 | |
---|
| 1556 | |
---|
| 1557 | #Check prj (meta data) |
---|
| 1558 | prjid = open(prjfile) |
---|
| 1559 | lines = prjid.readlines() |
---|
| 1560 | prjid.close() |
---|
| 1561 | |
---|
| 1562 | L = lines[0].strip().split() |
---|
| 1563 | assert L[0].strip().lower() == 'projection' |
---|
| 1564 | assert L[1].strip().lower() == 'utm' |
---|
| 1565 | |
---|
| 1566 | L = lines[1].strip().split() |
---|
| 1567 | assert L[0].strip().lower() == 'zone' |
---|
| 1568 | assert L[1].strip().lower() == '56' |
---|
| 1569 | |
---|
| 1570 | L = lines[2].strip().split() |
---|
| 1571 | assert L[0].strip().lower() == 'datum' |
---|
| 1572 | assert L[1].strip().lower() == 'wgs84' |
---|
| 1573 | |
---|
| 1574 | L = lines[3].strip().split() |
---|
| 1575 | assert L[0].strip().lower() == 'zunits' |
---|
| 1576 | assert L[1].strip().lower() == 'no' |
---|
| 1577 | |
---|
| 1578 | L = lines[4].strip().split() |
---|
| 1579 | assert L[0].strip().lower() == 'units' |
---|
| 1580 | assert L[1].strip().lower() == 'meters' |
---|
| 1581 | |
---|
| 1582 | L = lines[5].strip().split() |
---|
| 1583 | assert L[0].strip().lower() == 'spheroid' |
---|
| 1584 | assert L[1].strip().lower() == 'wgs84' |
---|
| 1585 | |
---|
| 1586 | L = lines[6].strip().split() |
---|
| 1587 | assert L[0].strip().lower() == 'xshift' |
---|
| 1588 | assert L[1].strip().lower() == '500000' |
---|
| 1589 | |
---|
| 1590 | L = lines[7].strip().split() |
---|
| 1591 | assert L[0].strip().lower() == 'yshift' |
---|
| 1592 | assert L[1].strip().lower() == '10000000' |
---|
| 1593 | |
---|
| 1594 | L = lines[8].strip().split() |
---|
| 1595 | assert L[0].strip().lower() == 'parameters' |
---|
| 1596 | |
---|
| 1597 | |
---|
| 1598 | #Check asc file |
---|
| 1599 | ascid = open(ascfile) |
---|
| 1600 | lines = ascid.readlines() |
---|
| 1601 | ascid.close() |
---|
| 1602 | |
---|
| 1603 | L = lines[0].strip().split() |
---|
| 1604 | assert L[0].strip().lower() == 'ncols' |
---|
| 1605 | assert L[1].strip().lower() == '5' |
---|
| 1606 | |
---|
| 1607 | L = lines[1].strip().split() |
---|
| 1608 | assert L[0].strip().lower() == 'nrows' |
---|
| 1609 | assert L[1].strip().lower() == '6' |
---|
| 1610 | |
---|
| 1611 | L = lines[2].strip().split() |
---|
| 1612 | assert L[0].strip().lower() == 'xllcorner' |
---|
| 1613 | assert allclose(float(L[1].strip().lower()), 308530) |
---|
| 1614 | |
---|
| 1615 | L = lines[3].strip().split() |
---|
| 1616 | assert L[0].strip().lower() == 'yllcorner' |
---|
| 1617 | assert allclose(float(L[1].strip().lower()), 6189050) |
---|
| 1618 | |
---|
| 1619 | L = lines[4].strip().split() |
---|
| 1620 | assert L[0].strip().lower() == 'cellsize' |
---|
| 1621 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
| 1622 | |
---|
| 1623 | L = lines[5].strip().split() |
---|
| 1624 | assert L[0].strip() == 'NODATA_value' |
---|
| 1625 | assert L[1].strip().lower() == '-9999' |
---|
| 1626 | |
---|
| 1627 | #Check grid values |
---|
| 1628 | for i, line in enumerate(lines[6:]): |
---|
| 1629 | for j, value in enumerate( line.split() ): |
---|
| 1630 | #assert float(value) == -(10-i+j)*cellsize |
---|
| 1631 | assert float(value) == -(10-i+j+3)*cellsize |
---|
| 1632 | |
---|
| 1633 | |
---|
| 1634 | |
---|
| 1635 | #Cleanup |
---|
| 1636 | os.remove(prjfile) |
---|
| 1637 | os.remove(ascfile) |
---|
| 1638 | os.remove(swwfile) |
---|
| 1639 | |
---|
| 1640 | |
---|
| 1641 | |
---|
| 1642 | def test_sww2dem_asc_stage_reduction(self): |
---|
| 1643 | """Test that sww information can be converted correctly to asc/prj |
---|
| 1644 | format readable by e.g. ArcView |
---|
| 1645 | |
---|
| 1646 | This tests the reduction of quantity stage using min |
---|
| 1647 | """ |
---|
| 1648 | |
---|
| 1649 | import time, os |
---|
| 1650 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 1651 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 1652 | |
---|
| 1653 | #Setup |
---|
| 1654 | self.domain.filename = 'datatest' |
---|
| 1655 | |
---|
| 1656 | prjfile = self.domain.filename + '_stage.prj' |
---|
| 1657 | ascfile = self.domain.filename + '_stage.asc' |
---|
| 1658 | swwfile = self.domain.filename + '.sww' |
---|
| 1659 | |
---|
| 1660 | self.domain.set_datadir('.') |
---|
| 1661 | self.domain.format = 'sww' |
---|
| 1662 | self.domain.smooth = True |
---|
| 1663 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
| 1664 | |
---|
| 1665 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
| 1666 | |
---|
| 1667 | |
---|
| 1668 | sww = get_dataobject(self.domain) |
---|
| 1669 | sww.store_connectivity() |
---|
| 1670 | sww.store_timestep('stage') |
---|
| 1671 | |
---|
| 1672 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
| 1673 | sww.store_timestep('stage') |
---|
| 1674 | |
---|
| 1675 | cellsize = 0.25 |
---|
| 1676 | #Check contents |
---|
| 1677 | #Get NetCDF |
---|
| 1678 | |
---|
| 1679 | fid = NetCDFFile(sww.filename, 'r') |
---|
| 1680 | |
---|
| 1681 | # Get the variables |
---|
| 1682 | x = fid.variables['x'][:] |
---|
| 1683 | y = fid.variables['y'][:] |
---|
| 1684 | z = fid.variables['elevation'][:] |
---|
| 1685 | time = fid.variables['time'][:] |
---|
| 1686 | stage = fid.variables['stage'][:] |
---|
| 1687 | |
---|
| 1688 | |
---|
| 1689 | #Export to ascii/prj files |
---|
| 1690 | sww2dem(self.domain.filename, |
---|
| 1691 | quantity = 'stage', |
---|
| 1692 | cellsize = cellsize, |
---|
| 1693 | reduction = min, |
---|
| 1694 | format = 'asc') |
---|
| 1695 | |
---|
| 1696 | |
---|
| 1697 | #Check asc file |
---|
| 1698 | ascid = open(ascfile) |
---|
| 1699 | lines = ascid.readlines() |
---|
| 1700 | ascid.close() |
---|
| 1701 | |
---|
| 1702 | L = lines[0].strip().split() |
---|
| 1703 | assert L[0].strip().lower() == 'ncols' |
---|
| 1704 | assert L[1].strip().lower() == '5' |
---|
| 1705 | |
---|
| 1706 | L = lines[1].strip().split() |
---|
| 1707 | assert L[0].strip().lower() == 'nrows' |
---|
| 1708 | assert L[1].strip().lower() == '5' |
---|
| 1709 | |
---|
| 1710 | L = lines[2].strip().split() |
---|
| 1711 | assert L[0].strip().lower() == 'xllcorner' |
---|
| 1712 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
| 1713 | |
---|
| 1714 | L = lines[3].strip().split() |
---|
| 1715 | assert L[0].strip().lower() == 'yllcorner' |
---|
| 1716 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
| 1717 | |
---|
| 1718 | L = lines[4].strip().split() |
---|
| 1719 | assert L[0].strip().lower() == 'cellsize' |
---|
| 1720 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
| 1721 | |
---|
| 1722 | L = lines[5].strip().split() |
---|
| 1723 | assert L[0].strip() == 'NODATA_value' |
---|
| 1724 | assert L[1].strip().lower() == '-9999' |
---|
| 1725 | |
---|
| 1726 | |
---|
| 1727 | #Check grid values (where applicable) |
---|
| 1728 | for j in range(5): |
---|
| 1729 | if j%2 == 0: |
---|
| 1730 | L = lines[6+j].strip().split() |
---|
| 1731 | jj = 4-j |
---|
| 1732 | for i in range(5): |
---|
| 1733 | if i%2 == 0: |
---|
| 1734 | index = jj/2 + i/2*3 |
---|
| 1735 | val0 = stage[0,index] |
---|
| 1736 | val1 = stage[1,index] |
---|
| 1737 | |
---|
| 1738 | #print i, j, index, ':', L[i], val0, val1 |
---|
| 1739 | assert allclose(float(L[i]), min(val0, val1)) |
---|
| 1740 | |
---|
| 1741 | |
---|
| 1742 | fid.close() |
---|
| 1743 | |
---|
| 1744 | #Cleanup |
---|
| 1745 | os.remove(prjfile) |
---|
| 1746 | os.remove(ascfile) |
---|
| 1747 | #os.remove(swwfile) |
---|
| 1748 | |
---|
| 1749 | |
---|
| 1750 | |
---|
| 1751 | def test_sww2dem_asc_derived_quantity(self): |
---|
| 1752 | """Test that sww information can be converted correctly to asc/prj |
---|
| 1753 | format readable by e.g. ArcView |
---|
| 1754 | |
---|
| 1755 | This tests the use of derived quantities |
---|
| 1756 | """ |
---|
| 1757 | |
---|
| 1758 | import time, os |
---|
| 1759 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 1760 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 1761 | |
---|
| 1762 | #Setup |
---|
| 1763 | self.domain.filename = 'datatest' |
---|
| 1764 | |
---|
| 1765 | prjfile = self.domain.filename + '_depth.prj' |
---|
| 1766 | ascfile = self.domain.filename + '_depth.asc' |
---|
| 1767 | swwfile = self.domain.filename + '.sww' |
---|
| 1768 | |
---|
| 1769 | self.domain.set_datadir('.') |
---|
| 1770 | self.domain.format = 'sww' |
---|
| 1771 | self.domain.smooth = True |
---|
| 1772 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
| 1773 | self.domain.set_quantity('stage', 0.0) |
---|
| 1774 | |
---|
| 1775 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
| 1776 | |
---|
| 1777 | |
---|
| 1778 | sww = get_dataobject(self.domain) |
---|
| 1779 | sww.store_connectivity() |
---|
| 1780 | sww.store_timestep('stage') |
---|
| 1781 | |
---|
| 1782 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
| 1783 | sww.store_timestep('stage') |
---|
| 1784 | |
---|
| 1785 | cellsize = 0.25 |
---|
| 1786 | #Check contents |
---|
| 1787 | #Get NetCDF |
---|
| 1788 | |
---|
| 1789 | fid = NetCDFFile(sww.filename, 'r') |
---|
| 1790 | |
---|
| 1791 | # Get the variables |
---|
| 1792 | x = fid.variables['x'][:] |
---|
| 1793 | y = fid.variables['y'][:] |
---|
| 1794 | z = fid.variables['elevation'][:] |
---|
| 1795 | time = fid.variables['time'][:] |
---|
| 1796 | stage = fid.variables['stage'][:] |
---|
| 1797 | |
---|
| 1798 | |
---|
| 1799 | #Export to ascii/prj files |
---|
| 1800 | sww2dem(self.domain.filename, |
---|
| 1801 | basename_out = 'datatest_depth', |
---|
| 1802 | quantity = 'stage - elevation', |
---|
| 1803 | cellsize = cellsize, |
---|
| 1804 | reduction = min, |
---|
| 1805 | format = 'asc', |
---|
| 1806 | verbose = False) |
---|
| 1807 | |
---|
| 1808 | |
---|
| 1809 | #Check asc file |
---|
| 1810 | ascid = open(ascfile) |
---|
| 1811 | lines = ascid.readlines() |
---|
| 1812 | ascid.close() |
---|
| 1813 | |
---|
| 1814 | L = lines[0].strip().split() |
---|
| 1815 | assert L[0].strip().lower() == 'ncols' |
---|
| 1816 | assert L[1].strip().lower() == '5' |
---|
| 1817 | |
---|
| 1818 | L = lines[1].strip().split() |
---|
| 1819 | assert L[0].strip().lower() == 'nrows' |
---|
| 1820 | assert L[1].strip().lower() == '5' |
---|
| 1821 | |
---|
| 1822 | L = lines[2].strip().split() |
---|
| 1823 | assert L[0].strip().lower() == 'xllcorner' |
---|
| 1824 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
| 1825 | |
---|
| 1826 | L = lines[3].strip().split() |
---|
| 1827 | assert L[0].strip().lower() == 'yllcorner' |
---|
| 1828 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
| 1829 | |
---|
| 1830 | L = lines[4].strip().split() |
---|
| 1831 | assert L[0].strip().lower() == 'cellsize' |
---|
| 1832 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
| 1833 | |
---|
| 1834 | L = lines[5].strip().split() |
---|
| 1835 | assert L[0].strip() == 'NODATA_value' |
---|
| 1836 | assert L[1].strip().lower() == '-9999' |
---|
| 1837 | |
---|
| 1838 | |
---|
| 1839 | #Check grid values (where applicable) |
---|
| 1840 | for j in range(5): |
---|
| 1841 | if j%2 == 0: |
---|
| 1842 | L = lines[6+j].strip().split() |
---|
| 1843 | jj = 4-j |
---|
| 1844 | for i in range(5): |
---|
| 1845 | if i%2 == 0: |
---|
| 1846 | index = jj/2 + i/2*3 |
---|
| 1847 | val0 = stage[0,index] - z[index] |
---|
| 1848 | val1 = stage[1,index] - z[index] |
---|
| 1849 | |
---|
| 1850 | #print i, j, index, ':', L[i], val0, val1 |
---|
| 1851 | assert allclose(float(L[i]), min(val0, val1)) |
---|
| 1852 | |
---|
| 1853 | |
---|
| 1854 | fid.close() |
---|
| 1855 | |
---|
| 1856 | #Cleanup |
---|
| 1857 | os.remove(prjfile) |
---|
| 1858 | os.remove(ascfile) |
---|
| 1859 | #os.remove(swwfile) |
---|
| 1860 | |
---|
| 1861 | |
---|
| 1862 | |
---|
| 1863 | |
---|
| 1864 | |
---|
| 1865 | def test_sww2dem_asc_missing_points(self): |
---|
| 1866 | """Test that sww information can be converted correctly to asc/prj |
---|
| 1867 | format readable by e.g. ArcView |
---|
| 1868 | |
---|
| 1869 | This test includes the writing of missing values |
---|
| 1870 | """ |
---|
| 1871 | |
---|
| 1872 | import time, os |
---|
| 1873 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 1874 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 1875 | |
---|
| 1876 | #Setup mesh not coinciding with rectangle. |
---|
| 1877 | #This will cause missing values to occur in gridded data |
---|
| 1878 | |
---|
| 1879 | |
---|
| 1880 | points = [ [1.0, 1.0], |
---|
| 1881 | [0.5, 0.5], [1.0, 0.5], |
---|
| 1882 | [0.0, 0.0], [0.5, 0.0], [1.0, 0.0]] |
---|
| 1883 | |
---|
| 1884 | vertices = [ [4,1,3], [5,2,4], [1,4,2], [2,0,1]] |
---|
| 1885 | |
---|
| 1886 | #Create shallow water domain |
---|
| 1887 | domain = Domain(points, vertices) |
---|
| 1888 | domain.default_order=2 |
---|
| 1889 | |
---|
| 1890 | |
---|
| 1891 | #Set some field values |
---|
| 1892 | domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
| 1893 | domain.set_quantity('friction', 0.03) |
---|
| 1894 | |
---|
| 1895 | |
---|
| 1896 | ###################### |
---|
| 1897 | # Boundary conditions |
---|
| 1898 | B = Transmissive_boundary(domain) |
---|
| 1899 | domain.set_boundary( {'exterior': B} ) |
---|
| 1900 | |
---|
| 1901 | |
---|
| 1902 | ###################### |
---|
| 1903 | #Initial condition - with jumps |
---|
| 1904 | |
---|
| 1905 | bed = domain.quantities['elevation'].vertex_values |
---|
| 1906 | stage = zeros(bed.shape, Float) |
---|
| 1907 | |
---|
| 1908 | h = 0.3 |
---|
| 1909 | for i in range(stage.shape[0]): |
---|
| 1910 | if i % 2 == 0: |
---|
| 1911 | stage[i,:] = bed[i,:] + h |
---|
| 1912 | else: |
---|
| 1913 | stage[i,:] = bed[i,:] |
---|
| 1914 | |
---|
| 1915 | domain.set_quantity('stage', stage) |
---|
| 1916 | domain.distribute_to_vertices_and_edges() |
---|
| 1917 | |
---|
| 1918 | domain.filename = 'datatest' |
---|
| 1919 | |
---|
| 1920 | prjfile = domain.filename + '_elevation.prj' |
---|
| 1921 | ascfile = domain.filename + '_elevation.asc' |
---|
| 1922 | swwfile = domain.filename + '.sww' |
---|
| 1923 | |
---|
| 1924 | domain.set_datadir('.') |
---|
| 1925 | domain.format = 'sww' |
---|
| 1926 | domain.smooth = True |
---|
| 1927 | |
---|
| 1928 | domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
| 1929 | |
---|
| 1930 | sww = get_dataobject(domain) |
---|
| 1931 | sww.store_connectivity() |
---|
| 1932 | sww.store_timestep('stage') |
---|
| 1933 | |
---|
| 1934 | cellsize = 0.25 |
---|
| 1935 | #Check contents |
---|
| 1936 | #Get NetCDF |
---|
| 1937 | |
---|
| 1938 | fid = NetCDFFile(swwfile, 'r') |
---|
| 1939 | |
---|
| 1940 | # Get the variables |
---|
| 1941 | x = fid.variables['x'][:] |
---|
| 1942 | y = fid.variables['y'][:] |
---|
| 1943 | z = fid.variables['elevation'][:] |
---|
| 1944 | time = fid.variables['time'][:] |
---|
| 1945 | |
---|
| 1946 | try: |
---|
| 1947 | geo_reference = Geo_reference(NetCDFObject=fid) |
---|
| 1948 | except AttributeError, e: |
---|
| 1949 | geo_reference = Geo_reference(DEFAULT_ZONE,0,0) |
---|
| 1950 | |
---|
| 1951 | #Export to ascii/prj files |
---|
| 1952 | sww2dem(domain.filename, |
---|
| 1953 | quantity = 'elevation', |
---|
| 1954 | cellsize = cellsize, |
---|
| 1955 | verbose = False, |
---|
| 1956 | format = 'asc') |
---|
| 1957 | |
---|
| 1958 | |
---|
| 1959 | #Check asc file |
---|
| 1960 | ascid = open(ascfile) |
---|
| 1961 | lines = ascid.readlines() |
---|
| 1962 | ascid.close() |
---|
| 1963 | |
---|
| 1964 | L = lines[0].strip().split() |
---|
| 1965 | assert L[0].strip().lower() == 'ncols' |
---|
| 1966 | assert L[1].strip().lower() == '5' |
---|
| 1967 | |
---|
| 1968 | L = lines[1].strip().split() |
---|
| 1969 | assert L[0].strip().lower() == 'nrows' |
---|
| 1970 | assert L[1].strip().lower() == '5' |
---|
| 1971 | |
---|
| 1972 | L = lines[2].strip().split() |
---|
| 1973 | assert L[0].strip().lower() == 'xllcorner' |
---|
| 1974 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
| 1975 | |
---|
| 1976 | L = lines[3].strip().split() |
---|
| 1977 | assert L[0].strip().lower() == 'yllcorner' |
---|
| 1978 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
| 1979 | |
---|
| 1980 | L = lines[4].strip().split() |
---|
| 1981 | assert L[0].strip().lower() == 'cellsize' |
---|
| 1982 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
| 1983 | |
---|
| 1984 | L = lines[5].strip().split() |
---|
| 1985 | assert L[0].strip() == 'NODATA_value' |
---|
| 1986 | assert L[1].strip().lower() == '-9999' |
---|
| 1987 | |
---|
| 1988 | #Check grid values |
---|
| 1989 | for j in range(5): |
---|
| 1990 | L = lines[6+j].strip().split() |
---|
| 1991 | assert len(L) == 5 |
---|
| 1992 | y = (4-j) * cellsize |
---|
| 1993 | |
---|
| 1994 | for i in range(5): |
---|
| 1995 | #print i |
---|
| 1996 | if i+j >= 4: |
---|
| 1997 | assert allclose(float(L[i]), -i*cellsize - y) |
---|
| 1998 | else: |
---|
| 1999 | #Missing values |
---|
| 2000 | assert allclose(float(L[i]), -9999) |
---|
| 2001 | |
---|
| 2002 | |
---|
| 2003 | |
---|
| 2004 | fid.close() |
---|
| 2005 | |
---|
| 2006 | #Cleanup |
---|
| 2007 | os.remove(prjfile) |
---|
| 2008 | os.remove(ascfile) |
---|
| 2009 | os.remove(swwfile) |
---|
| 2010 | |
---|
| 2011 | def test_sww2ers_simple(self): |
---|
| 2012 | """Test that sww information can be converted correctly to asc/prj |
---|
| 2013 | format readable by e.g. ArcView |
---|
| 2014 | """ |
---|
| 2015 | |
---|
| 2016 | import time, os |
---|
| 2017 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 2018 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 2019 | |
---|
| 2020 | |
---|
| 2021 | NODATA_value = 1758323 |
---|
| 2022 | |
---|
| 2023 | #Setup |
---|
| 2024 | self.domain.filename = 'datatest' |
---|
| 2025 | |
---|
| 2026 | headerfile = self.domain.filename + '.ers' |
---|
| 2027 | swwfile = self.domain.filename + '.sww' |
---|
| 2028 | |
---|
| 2029 | self.domain.set_datadir('.') |
---|
| 2030 | self.domain.format = 'sww' |
---|
| 2031 | self.domain.smooth = True |
---|
| 2032 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
| 2033 | |
---|
| 2034 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
| 2035 | |
---|
| 2036 | sww = get_dataobject(self.domain) |
---|
| 2037 | sww.store_connectivity() |
---|
| 2038 | sww.store_timestep('stage') |
---|
| 2039 | |
---|
| 2040 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
| 2041 | sww.store_timestep('stage') |
---|
| 2042 | |
---|
| 2043 | cellsize = 0.25 |
---|
| 2044 | #Check contents |
---|
| 2045 | #Get NetCDF |
---|
| 2046 | |
---|
| 2047 | fid = NetCDFFile(sww.filename, 'r') |
---|
| 2048 | |
---|
| 2049 | # Get the variables |
---|
| 2050 | x = fid.variables['x'][:] |
---|
| 2051 | y = fid.variables['y'][:] |
---|
| 2052 | z = fid.variables['elevation'][:] |
---|
| 2053 | time = fid.variables['time'][:] |
---|
| 2054 | stage = fid.variables['stage'][:] |
---|
| 2055 | |
---|
| 2056 | |
---|
| 2057 | #Export to ers files |
---|
| 2058 | #sww2ers(self.domain.filename, |
---|
| 2059 | # quantity = 'elevation', |
---|
| 2060 | # cellsize = cellsize, |
---|
| 2061 | # verbose = False) |
---|
| 2062 | |
---|
| 2063 | sww2dem(self.domain.filename, |
---|
| 2064 | quantity = 'elevation', |
---|
| 2065 | cellsize = cellsize, |
---|
| 2066 | NODATA_value = NODATA_value, |
---|
| 2067 | verbose = False, |
---|
| 2068 | format = 'ers') |
---|
| 2069 | |
---|
| 2070 | #Check header data |
---|
| 2071 | from ermapper_grids import read_ermapper_header, read_ermapper_data |
---|
| 2072 | |
---|
| 2073 | header = read_ermapper_header(self.domain.filename + '_elevation.ers') |
---|
| 2074 | #print header |
---|
| 2075 | assert header['projection'].lower() == '"utm-56"' |
---|
| 2076 | assert header['datum'].lower() == '"wgs84"' |
---|
| 2077 | assert header['units'].lower() == '"meters"' |
---|
| 2078 | assert header['value'].lower() == '"elevation"' |
---|
| 2079 | assert header['xdimension'] == '0.25' |
---|
| 2080 | assert header['ydimension'] == '0.25' |
---|
| 2081 | assert float(header['eastings']) == 308500.0 #xllcorner |
---|
| 2082 | assert float(header['northings']) == 6189000.0 #yllcorner |
---|
| 2083 | assert int(header['nroflines']) == 5 |
---|
| 2084 | assert int(header['nrofcellsperline']) == 5 |
---|
| 2085 | assert int(header['nullcellvalue']) == NODATA_value |
---|
| 2086 | #FIXME - there is more in the header |
---|
| 2087 | |
---|
| 2088 | |
---|
| 2089 | #Check grid data |
---|
| 2090 | grid = read_ermapper_data(self.domain.filename + '_elevation') |
---|
| 2091 | |
---|
| 2092 | #FIXME (Ole): Why is this the desired reference grid for -x-y? |
---|
| 2093 | ref_grid = [NODATA_value, NODATA_value, NODATA_value, NODATA_value, NODATA_value, |
---|
| 2094 | -1, -1.25, -1.5, -1.75, -2.0, |
---|
| 2095 | -0.75, -1.0, -1.25, -1.5, -1.75, |
---|
| 2096 | -0.5, -0.75, -1.0, -1.25, -1.5, |
---|
| 2097 | -0.25, -0.5, -0.75, -1.0, -1.25] |
---|
| 2098 | |
---|
| 2099 | |
---|
| 2100 | #print grid |
---|
| 2101 | assert allclose(grid, ref_grid) |
---|
| 2102 | |
---|
| 2103 | fid.close() |
---|
| 2104 | |
---|
| 2105 | #Cleanup |
---|
| 2106 | #FIXME the file clean-up doesn't work (eg Permission Denied Error) |
---|
| 2107 | #Done (Ole) - it was because sww2ers didn't close it's sww file |
---|
| 2108 | os.remove(sww.filename) |
---|
| 2109 | os.remove(self.domain.filename + '_elevation') |
---|
| 2110 | os.remove(self.domain.filename + '_elevation.ers') |
---|
| 2111 | |
---|
| 2112 | |
---|
| 2113 | |
---|
| 2114 | def test_ferret2sww1(self): |
---|
| 2115 | """Test that georeferencing etc works when converting from |
---|
| 2116 | ferret format (lat/lon) to sww format (UTM) |
---|
| 2117 | """ |
---|
| 2118 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 2119 | import os, sys |
---|
| 2120 | |
---|
| 2121 | #The test file has |
---|
| 2122 | # LON = 150.66667, 150.83334, 151, 151.16667 |
---|
| 2123 | # LAT = -34.5, -34.33333, -34.16667, -34 ; |
---|
| 2124 | # TIME = 0, 0.1, 0.6, 1.1, 1.6, 2.1 ; |
---|
| 2125 | # |
---|
| 2126 | # First value (index=0) in small_ha.nc is 0.3400644 cm, |
---|
| 2127 | # Fourth value (index==3) is -6.50198 cm |
---|
| 2128 | |
---|
| 2129 | |
---|
| 2130 | |
---|
| 2131 | #Read |
---|
| 2132 | from coordinate_transforms.redfearn import redfearn |
---|
| 2133 | #fid = NetCDFFile(self.test_MOST_file) |
---|
| 2134 | fid = NetCDFFile(self.test_MOST_file + '_ha.nc') |
---|
| 2135 | first_value = fid.variables['HA'][:][0,0,0] |
---|
| 2136 | fourth_value = fid.variables['HA'][:][0,0,3] |
---|
| 2137 | fid.close() |
---|
| 2138 | |
---|
| 2139 | |
---|
| 2140 | #Call conversion (with zero origin) |
---|
| 2141 | #ferret2sww('small', verbose=False, |
---|
| 2142 | # origin = (56, 0, 0)) |
---|
| 2143 | ferret2sww(self.test_MOST_file, verbose=False, |
---|
| 2144 | origin = (56, 0, 0)) |
---|
| 2145 | |
---|
| 2146 | #Work out the UTM coordinates for first point |
---|
| 2147 | zone, e, n = redfearn(-34.5, 150.66667) |
---|
| 2148 | #print zone, e, n |
---|
| 2149 | |
---|
| 2150 | #Read output file 'small.sww' |
---|
| 2151 | #fid = NetCDFFile('small.sww') |
---|
| 2152 | fid = NetCDFFile(self.test_MOST_file + '.sww') |
---|
| 2153 | |
---|
| 2154 | x = fid.variables['x'][:] |
---|
| 2155 | y = fid.variables['y'][:] |
---|
| 2156 | |
---|
| 2157 | #Check that first coordinate is correctly represented |
---|
| 2158 | assert allclose(x[0], e) |
---|
| 2159 | assert allclose(y[0], n) |
---|
| 2160 | |
---|
| 2161 | #Check first value |
---|
| 2162 | stage = fid.variables['stage'][:] |
---|
| 2163 | xmomentum = fid.variables['xmomentum'][:] |
---|
| 2164 | ymomentum = fid.variables['ymomentum'][:] |
---|
| 2165 | |
---|
| 2166 | #print ymomentum |
---|
| 2167 | |
---|
| 2168 | assert allclose(stage[0,0], first_value/100) #Meters |
---|
| 2169 | |
---|
| 2170 | #Check fourth value |
---|
| 2171 | assert allclose(stage[0,3], fourth_value/100) #Meters |
---|
| 2172 | |
---|
| 2173 | fid.close() |
---|
| 2174 | |
---|
| 2175 | #Cleanup |
---|
| 2176 | import os |
---|
| 2177 | os.remove(self.test_MOST_file + '.sww') |
---|
| 2178 | |
---|
| 2179 | |
---|
| 2180 | def test_ferret2sww_2(self): |
---|
| 2181 | """Test that georeferencing etc works when converting from |
---|
| 2182 | ferret format (lat/lon) to sww format (UTM) |
---|
| 2183 | """ |
---|
| 2184 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 2185 | |
---|
| 2186 | #The test file has |
---|
| 2187 | # LON = 150.66667, 150.83334, 151, 151.16667 |
---|
| 2188 | # LAT = -34.5, -34.33333, -34.16667, -34 ; |
---|
| 2189 | # TIME = 0, 0.1, 0.6, 1.1, 1.6, 2.1 ; |
---|
| 2190 | # |
---|
| 2191 | # First value (index=0) in small_ha.nc is 0.3400644 cm, |
---|
| 2192 | # Fourth value (index==3) is -6.50198 cm |
---|
| 2193 | |
---|
| 2194 | |
---|
| 2195 | from coordinate_transforms.redfearn import redfearn |
---|
| 2196 | |
---|
| 2197 | #fid = NetCDFFile('small_ha.nc') |
---|
| 2198 | fid = NetCDFFile(self.test_MOST_file + '_ha.nc') |
---|
| 2199 | |
---|
| 2200 | #Pick a coordinate and a value |
---|
| 2201 | |
---|
| 2202 | time_index = 1 |
---|
| 2203 | lat_index = 0 |
---|
| 2204 | lon_index = 2 |
---|
| 2205 | |
---|
| 2206 | test_value = fid.variables['HA'][:][time_index, lat_index, lon_index] |
---|
| 2207 | test_time = fid.variables['TIME'][:][time_index] |
---|
| 2208 | test_lat = fid.variables['LAT'][:][lat_index] |
---|
| 2209 | test_lon = fid.variables['LON'][:][lon_index] |
---|
| 2210 | |
---|
| 2211 | linear_point_index = lat_index*4 + lon_index |
---|
| 2212 | fid.close() |
---|
| 2213 | |
---|
| 2214 | #Call conversion (with zero origin) |
---|
| 2215 | ferret2sww(self.test_MOST_file, verbose=False, |
---|
| 2216 | origin = (56, 0, 0)) |
---|
| 2217 | |
---|
| 2218 | |
---|
| 2219 | #Work out the UTM coordinates for test point |
---|
| 2220 | zone, e, n = redfearn(test_lat, test_lon) |
---|
| 2221 | |
---|
| 2222 | #Read output file 'small.sww' |
---|
| 2223 | fid = NetCDFFile(self.test_MOST_file + '.sww') |
---|
| 2224 | |
---|
| 2225 | x = fid.variables['x'][:] |
---|
| 2226 | y = fid.variables['y'][:] |
---|
| 2227 | |
---|
| 2228 | #Check that test coordinate is correctly represented |
---|
| 2229 | assert allclose(x[linear_point_index], e) |
---|
| 2230 | assert allclose(y[linear_point_index], n) |
---|
| 2231 | |
---|
| 2232 | #Check test value |
---|
| 2233 | stage = fid.variables['stage'][:] |
---|
| 2234 | |
---|
| 2235 | assert allclose(stage[time_index, linear_point_index], test_value/100) |
---|
| 2236 | |
---|
| 2237 | fid.close() |
---|
| 2238 | |
---|
| 2239 | #Cleanup |
---|
| 2240 | import os |
---|
| 2241 | os.remove(self.test_MOST_file + '.sww') |
---|
| 2242 | |
---|
| 2243 | |
---|
| 2244 | |
---|
| 2245 | def test_ferret2sww3(self): |
---|
| 2246 | """Elevation included |
---|
| 2247 | """ |
---|
| 2248 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 2249 | |
---|
| 2250 | #The test file has |
---|
| 2251 | # LON = 150.66667, 150.83334, 151, 151.16667 |
---|
| 2252 | # LAT = -34.5, -34.33333, -34.16667, -34 ; |
---|
| 2253 | # ELEVATION = [-1 -2 -3 -4 |
---|
| 2254 | # -5 -6 -7 -8 |
---|
| 2255 | # ... |
---|
| 2256 | # ... -16] |
---|
| 2257 | # where the top left corner is -1m, |
---|
| 2258 | # and the ll corner is -13.0m |
---|
| 2259 | # |
---|
| 2260 | # First value (index=0) in small_ha.nc is 0.3400644 cm, |
---|
| 2261 | # Fourth value (index==3) is -6.50198 cm |
---|
| 2262 | |
---|
| 2263 | from coordinate_transforms.redfearn import redfearn |
---|
| 2264 | import os |
---|
| 2265 | fid1 = NetCDFFile('test_ha.nc','w') |
---|
| 2266 | fid2 = NetCDFFile('test_ua.nc','w') |
---|
| 2267 | fid3 = NetCDFFile('test_va.nc','w') |
---|
| 2268 | fid4 = NetCDFFile('test_e.nc','w') |
---|
| 2269 | |
---|
| 2270 | h1_list = [150.66667,150.83334,151.] |
---|
| 2271 | h2_list = [-34.5,-34.33333] |
---|
| 2272 | |
---|
| 2273 | long_name = 'LON' |
---|
| 2274 | lat_name = 'LAT' |
---|
| 2275 | |
---|
| 2276 | nx = 3 |
---|
| 2277 | ny = 2 |
---|
| 2278 | |
---|
| 2279 | for fid in [fid1,fid2,fid3]: |
---|
| 2280 | fid.createDimension(long_name,nx) |
---|
| 2281 | fid.createVariable(long_name,'d',(long_name,)) |
---|
| 2282 | fid.variables[long_name].point_spacing='uneven' |
---|
| 2283 | fid.variables[long_name].units='degrees_east' |
---|
| 2284 | fid.variables[long_name].assignValue(h1_list) |
---|
| 2285 | |
---|
| 2286 | fid.createDimension(lat_name,ny) |
---|
| 2287 | fid.createVariable(lat_name,'d',(lat_name,)) |
---|
| 2288 | fid.variables[lat_name].point_spacing='uneven' |
---|
| 2289 | fid.variables[lat_name].units='degrees_north' |
---|
| 2290 | fid.variables[lat_name].assignValue(h2_list) |
---|
| 2291 | |
---|
| 2292 | fid.createDimension('TIME',2) |
---|
| 2293 | fid.createVariable('TIME','d',('TIME',)) |
---|
| 2294 | fid.variables['TIME'].point_spacing='uneven' |
---|
| 2295 | fid.variables['TIME'].units='seconds' |
---|
| 2296 | fid.variables['TIME'].assignValue([0.,1.]) |
---|
| 2297 | if fid == fid3: break |
---|
| 2298 | |
---|
| 2299 | |
---|
| 2300 | for fid in [fid4]: |
---|
| 2301 | fid.createDimension(long_name,nx) |
---|
| 2302 | fid.createVariable(long_name,'d',(long_name,)) |
---|
| 2303 | fid.variables[long_name].point_spacing='uneven' |
---|
| 2304 | fid.variables[long_name].units='degrees_east' |
---|
| 2305 | fid.variables[long_name].assignValue(h1_list) |
---|
| 2306 | |
---|
| 2307 | fid.createDimension(lat_name,ny) |
---|
| 2308 | fid.createVariable(lat_name,'d',(lat_name,)) |
---|
| 2309 | fid.variables[lat_name].point_spacing='uneven' |
---|
| 2310 | fid.variables[lat_name].units='degrees_north' |
---|
| 2311 | fid.variables[lat_name].assignValue(h2_list) |
---|
| 2312 | |
---|
| 2313 | name = {} |
---|
| 2314 | name[fid1]='HA' |
---|
| 2315 | name[fid2]='UA' |
---|
| 2316 | name[fid3]='VA' |
---|
| 2317 | name[fid4]='ELEVATION' |
---|
| 2318 | |
---|
| 2319 | units = {} |
---|
| 2320 | units[fid1]='cm' |
---|
| 2321 | units[fid2]='cm/s' |
---|
| 2322 | units[fid3]='cm/s' |
---|
| 2323 | units[fid4]='m' |
---|
| 2324 | |
---|
| 2325 | values = {} |
---|
| 2326 | values[fid1]=[[[5., 10.,15.], [13.,18.,23.]],[[50.,100.,150.],[130.,180.,230.]]] |
---|
| 2327 | values[fid2]=[[[1., 2.,3.], [4.,5.,6.]],[[7.,8.,9.],[10.,11.,12.]]] |
---|
| 2328 | values[fid3]=[[[13., 12.,11.], [10.,9.,8.]],[[7.,6.,5.],[4.,3.,2.]]] |
---|
| 2329 | values[fid4]=[[-3000,-3100,-3200],[-4000,-5000,-6000]] |
---|
| 2330 | |
---|
| 2331 | for fid in [fid1,fid2,fid3]: |
---|
| 2332 | fid.createVariable(name[fid],'d',('TIME',lat_name,long_name)) |
---|
| 2333 | fid.variables[name[fid]].point_spacing='uneven' |
---|
| 2334 | fid.variables[name[fid]].units=units[fid] |
---|
| 2335 | fid.variables[name[fid]].assignValue(values[fid]) |
---|
| 2336 | fid.variables[name[fid]].missing_value = -99999999. |
---|
| 2337 | if fid == fid3: break |
---|
| 2338 | |
---|
| 2339 | for fid in [fid4]: |
---|
| 2340 | fid.createVariable(name[fid],'d',(lat_name,long_name)) |
---|
| 2341 | fid.variables[name[fid]].point_spacing='uneven' |
---|
| 2342 | fid.variables[name[fid]].units=units[fid] |
---|
| 2343 | fid.variables[name[fid]].assignValue(values[fid]) |
---|
| 2344 | fid.variables[name[fid]].missing_value = -99999999. |
---|
| 2345 | |
---|
| 2346 | |
---|
| 2347 | fid1.sync(); fid1.close() |
---|
| 2348 | fid2.sync(); fid2.close() |
---|
| 2349 | fid3.sync(); fid3.close() |
---|
| 2350 | fid4.sync(); fid4.close() |
---|
| 2351 | |
---|
| 2352 | fid1 = NetCDFFile('test_ha.nc','r') |
---|
| 2353 | fid2 = NetCDFFile('test_e.nc','r') |
---|
| 2354 | fid3 = NetCDFFile('test_va.nc','r') |
---|
| 2355 | |
---|
| 2356 | |
---|
| 2357 | first_amp = fid1.variables['HA'][:][0,0,0] |
---|
| 2358 | third_amp = fid1.variables['HA'][:][0,0,2] |
---|
| 2359 | first_elevation = fid2.variables['ELEVATION'][0,0] |
---|
| 2360 | third_elevation= fid2.variables['ELEVATION'][:][0,2] |
---|
| 2361 | first_speed = fid3.variables['VA'][0,0,0] |
---|
| 2362 | third_speed = fid3.variables['VA'][:][0,0,2] |
---|
| 2363 | |
---|
| 2364 | fid1.close() |
---|
| 2365 | fid2.close() |
---|
| 2366 | fid3.close() |
---|
| 2367 | |
---|
| 2368 | #Call conversion (with zero origin) |
---|
| 2369 | ferret2sww('test', verbose=False, |
---|
| 2370 | origin = (56, 0, 0)) |
---|
| 2371 | |
---|
| 2372 | os.remove('test_va.nc') |
---|
| 2373 | os.remove('test_ua.nc') |
---|
| 2374 | os.remove('test_ha.nc') |
---|
| 2375 | os.remove('test_e.nc') |
---|
| 2376 | |
---|
| 2377 | #Read output file 'test.sww' |
---|
| 2378 | fid = NetCDFFile('test.sww') |
---|
| 2379 | |
---|
| 2380 | |
---|
| 2381 | #Check first value |
---|
| 2382 | elevation = fid.variables['elevation'][:] |
---|
| 2383 | stage = fid.variables['stage'][:] |
---|
| 2384 | xmomentum = fid.variables['xmomentum'][:] |
---|
| 2385 | ymomentum = fid.variables['ymomentum'][:] |
---|
| 2386 | |
---|
| 2387 | #print ymomentum |
---|
| 2388 | first_height = first_amp/100 - first_elevation |
---|
| 2389 | third_height = third_amp/100 - third_elevation |
---|
| 2390 | first_momentum=first_speed*first_height/100 |
---|
| 2391 | third_momentum=third_speed*third_height/100 |
---|
| 2392 | |
---|
| 2393 | assert allclose(ymomentum[0][0],first_momentum) #Meters |
---|
| 2394 | assert allclose(ymomentum[0][2],third_momentum) #Meters |
---|
| 2395 | |
---|
| 2396 | fid.close() |
---|
| 2397 | |
---|
| 2398 | #Cleanup |
---|
| 2399 | os.remove('test.sww') |
---|
| 2400 | |
---|
| 2401 | |
---|
| 2402 | |
---|
| 2403 | |
---|
| 2404 | def test_ferret2sww_nz_origin(self): |
---|
| 2405 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 2406 | from coordinate_transforms.redfearn import redfearn |
---|
| 2407 | |
---|
| 2408 | #Call conversion (with nonzero origin) |
---|
| 2409 | ferret2sww(self.test_MOST_file, verbose=False, |
---|
| 2410 | origin = (56, 100000, 200000)) |
---|
| 2411 | |
---|
| 2412 | |
---|
| 2413 | #Work out the UTM coordinates for first point |
---|
| 2414 | zone, e, n = redfearn(-34.5, 150.66667) |
---|
| 2415 | |
---|
| 2416 | #Read output file 'small.sww' |
---|
| 2417 | #fid = NetCDFFile('small.sww', 'r') |
---|
| 2418 | fid = NetCDFFile(self.test_MOST_file + '.sww') |
---|
| 2419 | |
---|
| 2420 | x = fid.variables['x'][:] |
---|
| 2421 | y = fid.variables['y'][:] |
---|
| 2422 | |
---|
| 2423 | #Check that first coordinate is correctly represented |
---|
| 2424 | assert allclose(x[0], e-100000) |
---|
| 2425 | assert allclose(y[0], n-200000) |
---|
| 2426 | |
---|
| 2427 | fid.close() |
---|
| 2428 | |
---|
| 2429 | #Cleanup |
---|
| 2430 | os.remove(self.test_MOST_file + '.sww') |
---|
| 2431 | |
---|
| 2432 | |
---|
| 2433 | |
---|
| 2434 | def test_sww_extent(self): |
---|
| 2435 | """Not a test, rather a look at the sww format |
---|
| 2436 | """ |
---|
| 2437 | |
---|
| 2438 | import time, os |
---|
| 2439 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 2440 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 2441 | |
---|
| 2442 | self.domain.filename = 'datatest' + str(id(self)) |
---|
| 2443 | self.domain.format = 'sww' |
---|
| 2444 | self.domain.smooth = True |
---|
| 2445 | self.domain.reduction = mean |
---|
| 2446 | self.domain.set_datadir('.') |
---|
| 2447 | |
---|
| 2448 | |
---|
| 2449 | sww = get_dataobject(self.domain) |
---|
| 2450 | sww.store_connectivity() |
---|
| 2451 | sww.store_timestep('stage') |
---|
| 2452 | self.domain.time = 2. |
---|
| 2453 | |
---|
| 2454 | #Modify stage at second timestep |
---|
| 2455 | stage = self.domain.quantities['stage'].vertex_values |
---|
| 2456 | self.domain.set_quantity('stage', stage/2) |
---|
| 2457 | |
---|
| 2458 | sww.store_timestep('stage') |
---|
| 2459 | |
---|
| 2460 | file_and_extension_name = self.domain.filename + ".sww" |
---|
| 2461 | #print "file_and_extension_name",file_and_extension_name |
---|
| 2462 | [xmin, xmax, ymin, ymax, stagemin, stagemax] = \ |
---|
| 2463 | extent_sww(file_and_extension_name ) |
---|
| 2464 | |
---|
| 2465 | assert allclose(xmin, 0.0) |
---|
| 2466 | assert allclose(xmax, 1.0) |
---|
| 2467 | assert allclose(ymin, 0.0) |
---|
| 2468 | assert allclose(ymax, 1.0) |
---|
| 2469 | assert allclose(stagemin, -0.85) |
---|
| 2470 | assert allclose(stagemax, 0.15) |
---|
| 2471 | |
---|
| 2472 | |
---|
| 2473 | #Cleanup |
---|
| 2474 | os.remove(sww.filename) |
---|
| 2475 | |
---|
| 2476 | |
---|
| 2477 | |
---|
| 2478 | def test_sww2domain1(self): |
---|
| 2479 | ################################################ |
---|
| 2480 | #Create a test domain, and evolve and save it. |
---|
| 2481 | ################################################ |
---|
| 2482 | from mesh_factory import rectangular |
---|
| 2483 | from shallow_water import Domain, Reflective_boundary, Dirichlet_boundary,\ |
---|
| 2484 | Constant_height, Time_boundary, Transmissive_boundary |
---|
| 2485 | from Numeric import array |
---|
| 2486 | |
---|
| 2487 | #Create basic mesh |
---|
| 2488 | |
---|
| 2489 | yiel=0.01 |
---|
| 2490 | points, vertices, boundary = rectangular(10,10) |
---|
| 2491 | |
---|
| 2492 | #Create shallow water domain |
---|
| 2493 | domain = Domain(points, vertices, boundary) |
---|
| 2494 | domain.geo_reference = Geo_reference(56,11,11) |
---|
| 2495 | domain.smooth = False |
---|
| 2496 | domain.visualise = False |
---|
| 2497 | domain.store = True |
---|
| 2498 | domain.filename = 'bedslope' |
---|
| 2499 | domain.default_order=2 |
---|
| 2500 | #Bed-slope and friction |
---|
| 2501 | domain.set_quantity('elevation', lambda x,y: -x/3) |
---|
| 2502 | domain.set_quantity('friction', 0.1) |
---|
| 2503 | # Boundary conditions |
---|
| 2504 | from math import sin, pi |
---|
| 2505 | Br = Reflective_boundary(domain) |
---|
| 2506 | Bt = Transmissive_boundary(domain) |
---|
| 2507 | Bd = Dirichlet_boundary([0.2,0.,0.]) |
---|
| 2508 | Bw = Time_boundary(domain=domain, |
---|
| 2509 | f=lambda t: [(0.1*sin(t*2*pi)), 0.0, 0.0]) |
---|
| 2510 | |
---|
| 2511 | #domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 2512 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
| 2513 | |
---|
| 2514 | domain.quantities_to_be_stored.extend(['xmomentum','ymomentum']) |
---|
| 2515 | #Initial condition |
---|
| 2516 | h = 0.05 |
---|
| 2517 | elevation = domain.quantities['elevation'].vertex_values |
---|
| 2518 | domain.set_quantity('stage', elevation + h) |
---|
| 2519 | |
---|
| 2520 | domain.check_integrity() |
---|
| 2521 | #Evolution |
---|
| 2522 | for t in domain.evolve(yieldstep = yiel, finaltime = 0.05): |
---|
| 2523 | # domain.write_time() |
---|
| 2524 | pass |
---|
| 2525 | |
---|
| 2526 | |
---|
| 2527 | ########################################## |
---|
| 2528 | #Import the example's file as a new domain |
---|
| 2529 | ########################################## |
---|
| 2530 | from data_manager import sww2domain |
---|
| 2531 | from Numeric import allclose |
---|
| 2532 | import os |
---|
| 2533 | |
---|
| 2534 | filename = domain.datadir+os.sep+domain.filename+'.sww' |
---|
| 2535 | domain2 = sww2domain(filename,None,fail_if_NaN=False,verbose = False) |
---|
| 2536 | #points, vertices, boundary = rectangular(15,15) |
---|
| 2537 | #domain2.boundary = boundary |
---|
| 2538 | ################### |
---|
| 2539 | ##NOW TEST IT!!! |
---|
| 2540 | ################### |
---|
| 2541 | |
---|
| 2542 | #os.remove(domain.filename + '.sww') |
---|
| 2543 | os.remove(filename) |
---|
| 2544 | |
---|
| 2545 | bits = ['vertex_coordinates'] |
---|
| 2546 | for quantity in ['elevation']+domain.quantities_to_be_stored: |
---|
| 2547 | bits.append('get_quantity("%s").get_integral()' %quantity) |
---|
| 2548 | bits.append('get_quantity("%s").get_values()' %quantity) |
---|
| 2549 | |
---|
| 2550 | for bit in bits: |
---|
| 2551 | #print 'testing that domain.'+bit+' has been restored' |
---|
| 2552 | #print bit |
---|
| 2553 | #print 'done' |
---|
| 2554 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
| 2555 | |
---|
| 2556 | ###################################### |
---|
| 2557 | #Now evolve them both, just to be sure |
---|
| 2558 | ######################################x |
---|
| 2559 | visualise = False |
---|
| 2560 | #visualise = True |
---|
| 2561 | domain.visualise = visualise |
---|
| 2562 | domain.time = 0. |
---|
| 2563 | from time import sleep |
---|
| 2564 | |
---|
| 2565 | final = .1 |
---|
| 2566 | domain.set_quantity('friction', 0.1) |
---|
| 2567 | domain.store = False |
---|
| 2568 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
| 2569 | |
---|
| 2570 | |
---|
| 2571 | for t in domain.evolve(yieldstep = yiel, finaltime = final): |
---|
| 2572 | if visualise: sleep(1.) |
---|
| 2573 | #domain.write_time() |
---|
| 2574 | pass |
---|
| 2575 | |
---|
| 2576 | final = final - (domain2.starttime-domain.starttime) |
---|
| 2577 | #BUT since domain1 gets time hacked back to 0: |
---|
| 2578 | final = final + (domain2.starttime-domain.starttime) |
---|
| 2579 | |
---|
| 2580 | domain2.smooth = False |
---|
| 2581 | domain2.visualise = visualise |
---|
| 2582 | domain2.store = False |
---|
| 2583 | domain2.default_order=2 |
---|
| 2584 | domain2.set_quantity('friction', 0.1) |
---|
| 2585 | #Bed-slope and friction |
---|
| 2586 | # Boundary conditions |
---|
| 2587 | Bd2=Dirichlet_boundary([0.2,0.,0.]) |
---|
| 2588 | domain2.boundary = domain.boundary |
---|
| 2589 | #print 'domain2.boundary' |
---|
| 2590 | #print domain2.boundary |
---|
| 2591 | domain2.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
| 2592 | #domain2.set_boundary({'exterior': Bd}) |
---|
| 2593 | |
---|
| 2594 | domain2.check_integrity() |
---|
| 2595 | |
---|
| 2596 | for t in domain2.evolve(yieldstep = yiel, finaltime = final): |
---|
| 2597 | if visualise: sleep(1.) |
---|
| 2598 | #domain2.write_time() |
---|
| 2599 | pass |
---|
| 2600 | |
---|
| 2601 | ################### |
---|
| 2602 | ##NOW TEST IT!!! |
---|
| 2603 | ################## |
---|
| 2604 | |
---|
| 2605 | bits = [ 'vertex_coordinates'] |
---|
| 2606 | |
---|
| 2607 | for quantity in ['elevation','xmomentum','ymomentum']:#+domain.quantities_to_be_stored: |
---|
| 2608 | bits.append('get_quantity("%s").get_integral()' %quantity) |
---|
| 2609 | bits.append('get_quantity("%s").get_values()' %quantity) |
---|
| 2610 | |
---|
| 2611 | for bit in bits: |
---|
| 2612 | #print bit |
---|
| 2613 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
| 2614 | |
---|
| 2615 | |
---|
| 2616 | def test_sww2domain2(self): |
---|
| 2617 | ################################################################## |
---|
| 2618 | #Same as previous test, but this checks how NaNs are handled. |
---|
| 2619 | ################################################################## |
---|
| 2620 | |
---|
| 2621 | |
---|
| 2622 | from mesh_factory import rectangular |
---|
| 2623 | from shallow_water import Domain, Reflective_boundary, Dirichlet_boundary,\ |
---|
| 2624 | Constant_height, Time_boundary, Transmissive_boundary |
---|
| 2625 | from Numeric import array |
---|
| 2626 | |
---|
| 2627 | #Create basic mesh |
---|
| 2628 | points, vertices, boundary = rectangular(2,2) |
---|
| 2629 | |
---|
| 2630 | #Create shallow water domain |
---|
| 2631 | domain = Domain(points, vertices, boundary) |
---|
| 2632 | domain.smooth = False |
---|
| 2633 | domain.visualise = False |
---|
| 2634 | domain.store = True |
---|
| 2635 | domain.set_name('test_file') |
---|
| 2636 | domain.set_datadir('.') |
---|
| 2637 | domain.default_order=2 |
---|
| 2638 | domain.quantities_to_be_stored=['stage'] |
---|
| 2639 | |
---|
| 2640 | domain.set_quantity('elevation', lambda x,y: -x/3) |
---|
| 2641 | domain.set_quantity('friction', 0.1) |
---|
| 2642 | |
---|
| 2643 | from math import sin, pi |
---|
| 2644 | Br = Reflective_boundary(domain) |
---|
| 2645 | Bt = Transmissive_boundary(domain) |
---|
| 2646 | Bd = Dirichlet_boundary([0.2,0.,0.]) |
---|
| 2647 | Bw = Time_boundary(domain=domain, |
---|
| 2648 | f=lambda t: [(0.1*sin(t*2*pi)), 0.0, 0.0]) |
---|
| 2649 | |
---|
| 2650 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 2651 | |
---|
| 2652 | h = 0.05 |
---|
| 2653 | elevation = domain.quantities['elevation'].vertex_values |
---|
| 2654 | domain.set_quantity('stage', elevation + h) |
---|
| 2655 | |
---|
| 2656 | domain.check_integrity() |
---|
| 2657 | |
---|
| 2658 | for t in domain.evolve(yieldstep = 1, finaltime = 2.0): |
---|
| 2659 | pass |
---|
| 2660 | #domain.write_time() |
---|
| 2661 | |
---|
| 2662 | |
---|
| 2663 | |
---|
| 2664 | ################################## |
---|
| 2665 | #Import the file as a new domain |
---|
| 2666 | ################################## |
---|
| 2667 | from data_manager import sww2domain |
---|
| 2668 | from Numeric import allclose |
---|
| 2669 | import os |
---|
| 2670 | |
---|
| 2671 | filename = domain.datadir+os.sep+domain.filename+'.sww' |
---|
| 2672 | |
---|
| 2673 | #Fail because NaNs are present |
---|
| 2674 | try: |
---|
| 2675 | domain2 = sww2domain(filename,boundary,fail_if_NaN=True,verbose=False) |
---|
| 2676 | except: |
---|
| 2677 | #Now import it, filling NaNs to be 0 |
---|
| 2678 | filler = 0 |
---|
| 2679 | domain2 = sww2domain(filename,None,fail_if_NaN=False,NaN_filler = filler,verbose=False) |
---|
| 2680 | |
---|
| 2681 | #Clean up |
---|
| 2682 | os.remove(filename) |
---|
| 2683 | |
---|
| 2684 | |
---|
| 2685 | bits = [ 'geo_reference.get_xllcorner()', |
---|
| 2686 | 'geo_reference.get_yllcorner()', |
---|
| 2687 | 'vertex_coordinates'] |
---|
| 2688 | |
---|
| 2689 | for quantity in ['elevation']+domain.quantities_to_be_stored: |
---|
| 2690 | bits.append('get_quantity("%s").get_integral()' %quantity) |
---|
| 2691 | bits.append('get_quantity("%s").get_values()' %quantity) |
---|
| 2692 | |
---|
| 2693 | for bit in bits: |
---|
| 2694 | # print 'testing that domain.'+bit+' has been restored' |
---|
| 2695 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
| 2696 | |
---|
| 2697 | assert max(max(domain2.get_quantity('xmomentum').get_values()))==filler |
---|
| 2698 | assert min(min(domain2.get_quantity('xmomentum').get_values()))==filler |
---|
| 2699 | assert max(max(domain2.get_quantity('ymomentum').get_values()))==filler |
---|
| 2700 | assert min(min(domain2.get_quantity('ymomentum').get_values()))==filler |
---|
| 2701 | |
---|
| 2702 | |
---|
| 2703 | |
---|
| 2704 | #def test_weed(self): |
---|
| 2705 | from data_manager import weed |
---|
| 2706 | |
---|
| 2707 | coordinates1 = [[0.,0.],[1.,0.],[1.,1.],[1.,0.],[2.,0.],[1.,1.]] |
---|
| 2708 | volumes1 = [[0,1,2],[3,4,5]] |
---|
| 2709 | boundary1= {(0,1): 'external',(1,2): 'not external',(2,0): 'external',(3,4): 'external',(4,5): 'external',(5,3): 'not external'} |
---|
| 2710 | coordinates2,volumes2,boundary2=weed(coordinates1,volumes1,boundary1) |
---|
| 2711 | |
---|
| 2712 | points2 = {(0.,0.):None,(1.,0.):None,(1.,1.):None,(2.,0.):None} |
---|
| 2713 | |
---|
| 2714 | assert len(points2)==len(coordinates2) |
---|
| 2715 | for i in range(len(coordinates2)): |
---|
| 2716 | coordinate = tuple(coordinates2[i]) |
---|
| 2717 | assert points2.has_key(coordinate) |
---|
| 2718 | points2[coordinate]=i |
---|
| 2719 | |
---|
| 2720 | for triangle in volumes1: |
---|
| 2721 | for coordinate in triangle: |
---|
| 2722 | assert coordinates2[points2[tuple(coordinates1[coordinate])]][0]==coordinates1[coordinate][0] |
---|
| 2723 | assert coordinates2[points2[tuple(coordinates1[coordinate])]][1]==coordinates1[coordinate][1] |
---|
| 2724 | |
---|
| 2725 | |
---|
| 2726 | #FIXME This fails - smooth makes the comparism too hard for allclose |
---|
| 2727 | def ztest_sww2domain3(self): |
---|
| 2728 | ################################################ |
---|
| 2729 | #DOMAIN.SMOOTH = TRUE !!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 2730 | ################################################ |
---|
| 2731 | from mesh_factory import rectangular |
---|
| 2732 | from shallow_water import Domain, Reflective_boundary, Dirichlet_boundary,\ |
---|
| 2733 | Constant_height, Time_boundary, Transmissive_boundary |
---|
| 2734 | from Numeric import array |
---|
| 2735 | #Create basic mesh |
---|
| 2736 | |
---|
| 2737 | yiel=0.01 |
---|
| 2738 | points, vertices, boundary = rectangular(10,10) |
---|
| 2739 | |
---|
| 2740 | #Create shallow water domain |
---|
| 2741 | domain = Domain(points, vertices, boundary) |
---|
| 2742 | domain.geo_reference = Geo_reference(56,11,11) |
---|
| 2743 | domain.smooth = True |
---|
| 2744 | domain.visualise = False |
---|
| 2745 | domain.store = True |
---|
| 2746 | domain.filename = 'bedslope' |
---|
| 2747 | domain.default_order=2 |
---|
| 2748 | #Bed-slope and friction |
---|
| 2749 | domain.set_quantity('elevation', lambda x,y: -x/3) |
---|
| 2750 | domain.set_quantity('friction', 0.1) |
---|
| 2751 | # Boundary conditions |
---|
| 2752 | from math import sin, pi |
---|
| 2753 | Br = Reflective_boundary(domain) |
---|
| 2754 | Bt = Transmissive_boundary(domain) |
---|
| 2755 | Bd = Dirichlet_boundary([0.2,0.,0.]) |
---|
| 2756 | Bw = Time_boundary(domain=domain, |
---|
| 2757 | f=lambda t: [(0.1*sin(t*2*pi)), 0.0, 0.0]) |
---|
| 2758 | |
---|
| 2759 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
| 2760 | |
---|
| 2761 | domain.quantities_to_be_stored.extend(['xmomentum','ymomentum']) |
---|
| 2762 | #Initial condition |
---|
| 2763 | h = 0.05 |
---|
| 2764 | elevation = domain.quantities['elevation'].vertex_values |
---|
| 2765 | domain.set_quantity('stage', elevation + h) |
---|
| 2766 | |
---|
| 2767 | |
---|
| 2768 | domain.check_integrity() |
---|
| 2769 | #Evolution |
---|
| 2770 | for t in domain.evolve(yieldstep = yiel, finaltime = 0.05): |
---|
| 2771 | # domain.write_time() |
---|
| 2772 | pass |
---|
| 2773 | |
---|
| 2774 | |
---|
| 2775 | ########################################## |
---|
| 2776 | #Import the example's file as a new domain |
---|
| 2777 | ########################################## |
---|
| 2778 | from data_manager import sww2domain |
---|
| 2779 | from Numeric import allclose |
---|
| 2780 | import os |
---|
| 2781 | |
---|
| 2782 | filename = domain.datadir+os.sep+domain.filename+'.sww' |
---|
| 2783 | domain2 = sww2domain(filename,None,fail_if_NaN=False,verbose = False) |
---|
| 2784 | #points, vertices, boundary = rectangular(15,15) |
---|
| 2785 | #domain2.boundary = boundary |
---|
| 2786 | ################### |
---|
| 2787 | ##NOW TEST IT!!! |
---|
| 2788 | ################### |
---|
| 2789 | |
---|
| 2790 | os.remove(domain.filename + '.sww') |
---|
| 2791 | |
---|
| 2792 | #FIXME smooth domain so that they can be compared |
---|
| 2793 | |
---|
| 2794 | |
---|
| 2795 | bits = []#'vertex_coordinates'] |
---|
| 2796 | for quantity in ['elevation']+domain.quantities_to_be_stored: |
---|
| 2797 | bits.append('quantities["%s"].get_integral()'%quantity) |
---|
| 2798 | |
---|
| 2799 | |
---|
| 2800 | for bit in bits: |
---|
| 2801 | #print 'testing that domain.'+bit+' has been restored' |
---|
| 2802 | #print bit |
---|
| 2803 | #print 'done' |
---|
| 2804 | #print ('domain.'+bit), eval('domain.'+bit) |
---|
| 2805 | #print ('domain2.'+bit), eval('domain2.'+bit) |
---|
| 2806 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit),rtol=1.0e-1,atol=1.e-3) |
---|
| 2807 | pass |
---|
| 2808 | |
---|
| 2809 | ###################################### |
---|
| 2810 | #Now evolve them both, just to be sure |
---|
| 2811 | ######################################x |
---|
| 2812 | visualise = False |
---|
| 2813 | visualise = True |
---|
| 2814 | domain.visualise = visualise |
---|
| 2815 | domain.time = 0. |
---|
| 2816 | from time import sleep |
---|
| 2817 | |
---|
| 2818 | final = .5 |
---|
| 2819 | domain.set_quantity('friction', 0.1) |
---|
| 2820 | domain.store = False |
---|
| 2821 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Br}) |
---|
| 2822 | |
---|
| 2823 | for t in domain.evolve(yieldstep = yiel, finaltime = final): |
---|
| 2824 | if visualise: sleep(.03) |
---|
| 2825 | #domain.write_time() |
---|
| 2826 | pass |
---|
| 2827 | |
---|
| 2828 | domain2.smooth = True |
---|
| 2829 | domain2.visualise = visualise |
---|
| 2830 | domain2.store = False |
---|
| 2831 | domain2.default_order=2 |
---|
| 2832 | domain2.set_quantity('friction', 0.1) |
---|
| 2833 | #Bed-slope and friction |
---|
| 2834 | # Boundary conditions |
---|
| 2835 | Bd2=Dirichlet_boundary([0.2,0.,0.]) |
---|
| 2836 | Br2 = Reflective_boundary(domain2) |
---|
| 2837 | domain2.boundary = domain.boundary |
---|
| 2838 | #print 'domain2.boundary' |
---|
| 2839 | #print domain2.boundary |
---|
| 2840 | domain2.set_boundary({'left': Bd2, 'right': Bd2, 'top': Bd2, 'bottom': Br2}) |
---|
| 2841 | #domain2.boundary = domain.boundary |
---|
| 2842 | #domain2.set_boundary({'exterior': Bd}) |
---|
| 2843 | |
---|
| 2844 | domain2.check_integrity() |
---|
| 2845 | |
---|
| 2846 | for t in domain2.evolve(yieldstep = yiel, finaltime = final): |
---|
| 2847 | if visualise: sleep(.03) |
---|
| 2848 | #domain2.write_time() |
---|
| 2849 | pass |
---|
| 2850 | |
---|
| 2851 | ################### |
---|
| 2852 | ##NOW TEST IT!!! |
---|
| 2853 | ################## |
---|
| 2854 | |
---|
| 2855 | print '><><><><>>' |
---|
| 2856 | bits = [ 'vertex_coordinates'] |
---|
| 2857 | |
---|
| 2858 | for quantity in ['elevation','xmomentum','ymomentum']:#+domain.quantities_to_be_stored: |
---|
| 2859 | #bits.append('quantities["%s"].get_integral()'%quantity) |
---|
| 2860 | bits.append('get_quantity("%s").get_values()' %quantity) |
---|
| 2861 | |
---|
| 2862 | for bit in bits: |
---|
| 2863 | print bit |
---|
| 2864 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
| 2865 | |
---|
| 2866 | |
---|
| 2867 | def test_decimate_dem(self): |
---|
| 2868 | """Test decimation of dem file |
---|
| 2869 | """ |
---|
| 2870 | |
---|
| 2871 | import os |
---|
| 2872 | from Numeric import ones, allclose, Float, arange |
---|
| 2873 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 2874 | |
---|
| 2875 | #Write test dem file |
---|
| 2876 | root = 'decdemtest' |
---|
| 2877 | |
---|
| 2878 | filename = root + '.dem' |
---|
| 2879 | fid = NetCDFFile(filename, 'w') |
---|
| 2880 | |
---|
| 2881 | fid.institution = 'Geoscience Australia' |
---|
| 2882 | fid.description = 'NetCDF DEM format for compact and portable ' +\ |
---|
| 2883 | 'storage of spatial point data' |
---|
| 2884 | |
---|
| 2885 | nrows = 15 |
---|
| 2886 | ncols = 18 |
---|
| 2887 | |
---|
| 2888 | fid.ncols = ncols |
---|
| 2889 | fid.nrows = nrows |
---|
| 2890 | fid.xllcorner = 2000.5 |
---|
| 2891 | fid.yllcorner = 3000.5 |
---|
| 2892 | fid.cellsize = 25 |
---|
| 2893 | fid.NODATA_value = -9999 |
---|
| 2894 | |
---|
| 2895 | fid.zone = 56 |
---|
| 2896 | fid.false_easting = 0.0 |
---|
| 2897 | fid.false_northing = 0.0 |
---|
| 2898 | fid.projection = 'UTM' |
---|
| 2899 | fid.datum = 'WGS84' |
---|
| 2900 | fid.units = 'METERS' |
---|
| 2901 | |
---|
| 2902 | fid.createDimension('number_of_points', nrows*ncols) |
---|
| 2903 | |
---|
| 2904 | fid.createVariable('elevation', Float, ('number_of_points',)) |
---|
| 2905 | |
---|
| 2906 | elevation = fid.variables['elevation'] |
---|
| 2907 | |
---|
| 2908 | elevation[:] = (arange(nrows*ncols)) |
---|
| 2909 | |
---|
| 2910 | fid.close() |
---|
| 2911 | |
---|
| 2912 | #generate the elevation values expected in the decimated file |
---|
| 2913 | ref_elevation = [( 0+ 1+ 2+ 18+ 19+ 20+ 36+ 37+ 38) / 9.0, |
---|
| 2914 | ( 4+ 5+ 6+ 22+ 23+ 24+ 40+ 41+ 42) / 9.0, |
---|
| 2915 | ( 8+ 9+ 10+ 26+ 27+ 28+ 44+ 45+ 46) / 9.0, |
---|
| 2916 | ( 12+ 13+ 14+ 30+ 31+ 32+ 48+ 49+ 50) / 9.0, |
---|
| 2917 | ( 72+ 73+ 74+ 90+ 91+ 92+108+109+110) / 9.0, |
---|
| 2918 | ( 76+ 77+ 78+ 94+ 95+ 96+112+113+114) / 9.0, |
---|
| 2919 | ( 80+ 81+ 82+ 98+ 99+100+116+117+118) / 9.0, |
---|
| 2920 | ( 84+ 85+ 86+102+103+104+120+121+122) / 9.0, |
---|
| 2921 | (144+145+146+162+163+164+180+181+182) / 9.0, |
---|
| 2922 | (148+149+150+166+167+168+184+185+186) / 9.0, |
---|
| 2923 | (152+153+154+170+171+172+188+189+190) / 9.0, |
---|
| 2924 | (156+157+158+174+175+176+192+193+194) / 9.0, |
---|
| 2925 | (216+217+218+234+235+236+252+253+254) / 9.0, |
---|
| 2926 | (220+221+222+238+239+240+256+257+258) / 9.0, |
---|
| 2927 | (224+225+226+242+243+244+260+261+262) / 9.0, |
---|
| 2928 | (228+229+230+246+247+248+264+265+266) / 9.0] |
---|
| 2929 | |
---|
| 2930 | #generate a stencil for computing the decimated values |
---|
| 2931 | stencil = ones((3,3), Float) / 9.0 |
---|
| 2932 | |
---|
| 2933 | decimate_dem(root, stencil=stencil, cellsize_new=100) |
---|
| 2934 | |
---|
| 2935 | #Open decimated NetCDF file |
---|
| 2936 | fid = NetCDFFile(root + '_100.dem', 'r') |
---|
| 2937 | |
---|
| 2938 | # Get decimated elevation |
---|
| 2939 | elevation = fid.variables['elevation'] |
---|
| 2940 | |
---|
| 2941 | #Check values |
---|
| 2942 | assert allclose(elevation, ref_elevation) |
---|
| 2943 | |
---|
| 2944 | #Cleanup |
---|
| 2945 | fid.close() |
---|
| 2946 | |
---|
| 2947 | os.remove(root + '.dem') |
---|
| 2948 | os.remove(root + '_100.dem') |
---|
| 2949 | |
---|
| 2950 | def test_decimate_dem_NODATA(self): |
---|
| 2951 | """Test decimation of dem file that includes NODATA values |
---|
| 2952 | """ |
---|
| 2953 | |
---|
| 2954 | import os |
---|
| 2955 | from Numeric import ones, allclose, Float, arange, reshape |
---|
| 2956 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 2957 | |
---|
| 2958 | #Write test dem file |
---|
| 2959 | root = 'decdemtest' |
---|
| 2960 | |
---|
| 2961 | filename = root + '.dem' |
---|
| 2962 | fid = NetCDFFile(filename, 'w') |
---|
| 2963 | |
---|
| 2964 | fid.institution = 'Geoscience Australia' |
---|
| 2965 | fid.description = 'NetCDF DEM format for compact and portable ' +\ |
---|
| 2966 | 'storage of spatial point data' |
---|
| 2967 | |
---|
| 2968 | nrows = 15 |
---|
| 2969 | ncols = 18 |
---|
| 2970 | NODATA_value = -9999 |
---|
| 2971 | |
---|
| 2972 | fid.ncols = ncols |
---|
| 2973 | fid.nrows = nrows |
---|
| 2974 | fid.xllcorner = 2000.5 |
---|
| 2975 | fid.yllcorner = 3000.5 |
---|
| 2976 | fid.cellsize = 25 |
---|
| 2977 | fid.NODATA_value = NODATA_value |
---|
| 2978 | |
---|
| 2979 | fid.zone = 56 |
---|
| 2980 | fid.false_easting = 0.0 |
---|
| 2981 | fid.false_northing = 0.0 |
---|
| 2982 | fid.projection = 'UTM' |
---|
| 2983 | fid.datum = 'WGS84' |
---|
| 2984 | fid.units = 'METERS' |
---|
| 2985 | |
---|
| 2986 | fid.createDimension('number_of_points', nrows*ncols) |
---|
| 2987 | |
---|
| 2988 | fid.createVariable('elevation', Float, ('number_of_points',)) |
---|
| 2989 | |
---|
| 2990 | elevation = fid.variables['elevation'] |
---|
| 2991 | |
---|
| 2992 | #generate initial elevation values |
---|
| 2993 | elevation_tmp = (arange(nrows*ncols)) |
---|
| 2994 | #add some NODATA values |
---|
| 2995 | elevation_tmp[0] = NODATA_value |
---|
| 2996 | elevation_tmp[95] = NODATA_value |
---|
| 2997 | elevation_tmp[188] = NODATA_value |
---|
| 2998 | elevation_tmp[189] = NODATA_value |
---|
| 2999 | elevation_tmp[190] = NODATA_value |
---|
| 3000 | elevation_tmp[209] = NODATA_value |
---|
| 3001 | elevation_tmp[252] = NODATA_value |
---|
| 3002 | |
---|
| 3003 | elevation[:] = elevation_tmp |
---|
| 3004 | |
---|
| 3005 | fid.close() |
---|
| 3006 | |
---|
| 3007 | #generate the elevation values expected in the decimated file |
---|
| 3008 | ref_elevation = [NODATA_value, |
---|
| 3009 | ( 4+ 5+ 6+ 22+ 23+ 24+ 40+ 41+ 42) / 9.0, |
---|
| 3010 | ( 8+ 9+ 10+ 26+ 27+ 28+ 44+ 45+ 46) / 9.0, |
---|
| 3011 | ( 12+ 13+ 14+ 30+ 31+ 32+ 48+ 49+ 50) / 9.0, |
---|
| 3012 | ( 72+ 73+ 74+ 90+ 91+ 92+108+109+110) / 9.0, |
---|
| 3013 | NODATA_value, |
---|
| 3014 | ( 80+ 81+ 82+ 98+ 99+100+116+117+118) / 9.0, |
---|
| 3015 | ( 84+ 85+ 86+102+103+104+120+121+122) / 9.0, |
---|
| 3016 | (144+145+146+162+163+164+180+181+182) / 9.0, |
---|
| 3017 | (148+149+150+166+167+168+184+185+186) / 9.0, |
---|
| 3018 | NODATA_value, |
---|
| 3019 | (156+157+158+174+175+176+192+193+194) / 9.0, |
---|
| 3020 | NODATA_value, |
---|
| 3021 | (220+221+222+238+239+240+256+257+258) / 9.0, |
---|
| 3022 | (224+225+226+242+243+244+260+261+262) / 9.0, |
---|
| 3023 | (228+229+230+246+247+248+264+265+266) / 9.0] |
---|
| 3024 | |
---|
| 3025 | #generate a stencil for computing the decimated values |
---|
| 3026 | stencil = ones((3,3), Float) / 9.0 |
---|
| 3027 | |
---|
| 3028 | decimate_dem(root, stencil=stencil, cellsize_new=100) |
---|
| 3029 | |
---|
| 3030 | #Open decimated NetCDF file |
---|
| 3031 | fid = NetCDFFile(root + '_100.dem', 'r') |
---|
| 3032 | |
---|
| 3033 | # Get decimated elevation |
---|
| 3034 | elevation = fid.variables['elevation'] |
---|
| 3035 | |
---|
| 3036 | #Check values |
---|
| 3037 | assert allclose(elevation, ref_elevation) |
---|
| 3038 | |
---|
| 3039 | #Cleanup |
---|
| 3040 | fid.close() |
---|
| 3041 | |
---|
| 3042 | os.remove(root + '.dem') |
---|
| 3043 | os.remove(root + '_100.dem') |
---|
| 3044 | |
---|
| 3045 | def xxxtestz_sww2ers_real(self): |
---|
| 3046 | """Test that sww information can be converted correctly to asc/prj |
---|
| 3047 | format readable by e.g. ArcView |
---|
| 3048 | """ |
---|
| 3049 | |
---|
| 3050 | import time, os |
---|
| 3051 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 3052 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 3053 | |
---|
| 3054 | # the memory optimised least squares |
---|
| 3055 | # cellsize = 20, # this one seems to hang |
---|
| 3056 | # cellsize = 200000, # Ran 1 test in 269.703s |
---|
| 3057 | #Ran 1 test in 267.344s |
---|
| 3058 | # cellsize = 20000, # Ran 1 test in 460.922s |
---|
| 3059 | # cellsize = 2000 #Ran 1 test in 5340.250s |
---|
| 3060 | # cellsize = 200 #this one seems to hang, building matirx A |
---|
| 3061 | |
---|
| 3062 | # not optimised |
---|
| 3063 | # seems to hang |
---|
| 3064 | # cellsize = 2000 # Ran 1 test in 5334.563s |
---|
| 3065 | #Export to ascii/prj files |
---|
| 3066 | sww2dem('karratha_100m', |
---|
| 3067 | quantity = 'depth', |
---|
| 3068 | cellsize = 200000, |
---|
| 3069 | verbose = True) |
---|
| 3070 | |
---|
| 3071 | def test_read_asc(self): |
---|
| 3072 | """Test conversion from dem in ascii format to native NetCDF xya format |
---|
| 3073 | """ |
---|
| 3074 | |
---|
| 3075 | import time, os |
---|
| 3076 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
| 3077 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 3078 | |
---|
| 3079 | import data_manager |
---|
| 3080 | #Write test asc file |
---|
| 3081 | filename = tempfile.mktemp(".000") |
---|
| 3082 | fid = open(filename, 'w') |
---|
| 3083 | fid.write("""ncols 7 |
---|
| 3084 | nrows 4 |
---|
| 3085 | xllcorner 2000.5 |
---|
| 3086 | yllcorner 3000.5 |
---|
| 3087 | cellsize 25 |
---|
| 3088 | NODATA_value -9999 |
---|
| 3089 | 97.921 99.285 125.588 180.830 258.645 342.872 415.836 |
---|
| 3090 | 473.157 514.391 553.893 607.120 678.125 777.283 883.038 |
---|
| 3091 | 984.494 1040.349 1008.161 900.738 730.882 581.430 514.980 |
---|
| 3092 | 502.645 516.230 504.739 450.604 388.500 338.097 514.980 |
---|
| 3093 | """) |
---|
| 3094 | fid.close() |
---|
| 3095 | bath_metadata, grid = \ |
---|
| 3096 | data_manager._read_asc(filename, verbose=False) |
---|
| 3097 | self.failUnless(bath_metadata['xllcorner'] == 2000.5, 'Failed') |
---|
| 3098 | self.failUnless(bath_metadata['yllcorner'] == 3000.5, 'Failed') |
---|
| 3099 | self.failUnless(bath_metadata['cellsize'] == 25, 'Failed') |
---|
| 3100 | self.failUnless(bath_metadata['NODATA_value'] == -9999, 'Failed') |
---|
| 3101 | self.failUnless(grid[0][0] == 97.921, 'Failed') |
---|
| 3102 | self.failUnless(grid[3][6] == 514.980, 'Failed') |
---|
| 3103 | |
---|
| 3104 | os.remove(filename) |
---|
| 3105 | |
---|
| 3106 | def test_asc_csiro2sww(self): |
---|
| 3107 | import tempfile |
---|
| 3108 | |
---|
| 3109 | bath_dir = tempfile.mkdtemp() |
---|
| 3110 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
| 3111 | #bath_dir = 'bath_data_manager_test' |
---|
| 3112 | #print "os.getcwd( )",os.getcwd( ) |
---|
| 3113 | elevation_dir = tempfile.mkdtemp() |
---|
| 3114 | #elevation_dir = 'elev_expanded' |
---|
| 3115 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
| 3116 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
| 3117 | |
---|
| 3118 | fid = open(bath_dir_filename, 'w') |
---|
| 3119 | fid.write(""" ncols 3 |
---|
| 3120 | nrows 2 |
---|
| 3121 | xllcorner 148.00000 |
---|
| 3122 | yllcorner -38.00000 |
---|
| 3123 | cellsize 0.25 |
---|
| 3124 | nodata_value -9999.0 |
---|
| 3125 | 9000.000 -1000.000 3000.0 |
---|
| 3126 | -1000.000 9000.000 -1000.000 |
---|
| 3127 | """) |
---|
| 3128 | fid.close() |
---|
| 3129 | |
---|
| 3130 | fid = open(elevation_dir_filename1, 'w') |
---|
| 3131 | fid.write(""" ncols 3 |
---|
| 3132 | nrows 2 |
---|
| 3133 | xllcorner 148.00000 |
---|
| 3134 | yllcorner -38.00000 |
---|
| 3135 | cellsize 0.25 |
---|
| 3136 | nodata_value -9999.0 |
---|
| 3137 | 9000.000 0.000 3000.0 |
---|
| 3138 | 0.000 9000.000 0.000 |
---|
| 3139 | """) |
---|
| 3140 | fid.close() |
---|
| 3141 | |
---|
| 3142 | fid = open(elevation_dir_filename2, 'w') |
---|
| 3143 | fid.write(""" ncols 3 |
---|
| 3144 | nrows 2 |
---|
| 3145 | xllcorner 148.00000 |
---|
| 3146 | yllcorner -38.00000 |
---|
| 3147 | cellsize 0.25 |
---|
| 3148 | nodata_value -9999.0 |
---|
| 3149 | 9000.000 4000.000 4000.0 |
---|
| 3150 | 4000.000 9000.000 4000.000 |
---|
| 3151 | """) |
---|
| 3152 | fid.close() |
---|
| 3153 | |
---|
| 3154 | ucur_dir = tempfile.mkdtemp() |
---|
| 3155 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
| 3156 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
| 3157 | |
---|
| 3158 | fid = open(ucur_dir_filename1, 'w') |
---|
| 3159 | fid.write(""" ncols 3 |
---|
| 3160 | nrows 2 |
---|
| 3161 | xllcorner 148.00000 |
---|
| 3162 | yllcorner -38.00000 |
---|
| 3163 | cellsize 0.25 |
---|
| 3164 | nodata_value -9999.0 |
---|
| 3165 | 90.000 60.000 30.0 |
---|
| 3166 | 10.000 10.000 10.000 |
---|
| 3167 | """) |
---|
| 3168 | fid.close() |
---|
| 3169 | fid = open(ucur_dir_filename2, 'w') |
---|
| 3170 | fid.write(""" ncols 3 |
---|
| 3171 | nrows 2 |
---|
| 3172 | xllcorner 148.00000 |
---|
| 3173 | yllcorner -38.00000 |
---|
| 3174 | cellsize 0.25 |
---|
| 3175 | nodata_value -9999.0 |
---|
| 3176 | 90.000 60.000 30.0 |
---|
| 3177 | 10.000 10.000 10.000 |
---|
| 3178 | """) |
---|
| 3179 | fid.close() |
---|
| 3180 | |
---|
| 3181 | vcur_dir = tempfile.mkdtemp() |
---|
| 3182 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
| 3183 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
| 3184 | |
---|
| 3185 | fid = open(vcur_dir_filename1, 'w') |
---|
| 3186 | fid.write(""" ncols 3 |
---|
| 3187 | nrows 2 |
---|
| 3188 | xllcorner 148.00000 |
---|
| 3189 | yllcorner -38.00000 |
---|
| 3190 | cellsize 0.25 |
---|
| 3191 | nodata_value -9999.0 |
---|
| 3192 | 90.000 60.000 30.0 |
---|
| 3193 | 10.000 10.000 10.000 |
---|
| 3194 | """) |
---|
| 3195 | fid.close() |
---|
| 3196 | fid = open(vcur_dir_filename2, 'w') |
---|
| 3197 | fid.write(""" ncols 3 |
---|
| 3198 | nrows 2 |
---|
| 3199 | xllcorner 148.00000 |
---|
| 3200 | yllcorner -38.00000 |
---|
| 3201 | cellsize 0.25 |
---|
| 3202 | nodata_value -9999.0 |
---|
| 3203 | 90.000 60.000 30.0 |
---|
| 3204 | 10.000 10.000 10.000 |
---|
| 3205 | """) |
---|
| 3206 | fid.close() |
---|
| 3207 | |
---|
| 3208 | sww_file = 'a_test.sww' |
---|
| 3209 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, vcur_dir, sww_file) |
---|
| 3210 | |
---|
| 3211 | # check the sww file |
---|
| 3212 | |
---|
| 3213 | fid = NetCDFFile(sww_file, 'r') #Open existing file for read |
---|
| 3214 | x = fid.variables['x'][:] |
---|
| 3215 | y = fid.variables['y'][:] |
---|
| 3216 | z = fid.variables['z'][:] |
---|
| 3217 | stage = fid.variables['stage'][:] |
---|
| 3218 | xmomentum = fid.variables['xmomentum'][:] |
---|
| 3219 | geo_ref = Geo_reference(NetCDFObject=fid) |
---|
| 3220 | #print "geo_ref",geo_ref |
---|
| 3221 | x_ref = geo_ref.get_xllcorner() |
---|
| 3222 | y_ref = geo_ref.get_yllcorner() |
---|
| 3223 | self.failUnless(geo_ref.get_zone() == 55, 'Failed') |
---|
| 3224 | assert allclose(x_ref, 587798.418) # (-38, 148) |
---|
| 3225 | assert allclose(y_ref, 5793123.477)# (-38, 148.5) |
---|
| 3226 | |
---|
| 3227 | #Zone: 55 |
---|
| 3228 | #Easting: 588095.674 Northing: 5821451.722 |
---|
| 3229 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 0 ' 0.00000 '' |
---|
| 3230 | assert allclose((x[0],y[0]), (588095.674 - x_ref, 5821451.722 - y_ref)) |
---|
| 3231 | |
---|
| 3232 | #Zone: 55 |
---|
| 3233 | #Easting: 632145.632 Northing: 5820863.269 |
---|
| 3234 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
| 3235 | assert allclose((x[2],y[2]), (632145.632 - x_ref, 5820863.269 - y_ref)) |
---|
| 3236 | |
---|
| 3237 | #Zone: 55 |
---|
| 3238 | #Easting: 609748.788 Northing: 5793447.860 |
---|
| 3239 | #Latitude: -38 0 ' 0.00000 '' Longitude: 148 15 ' 0.00000 '' |
---|
| 3240 | assert allclose((x[4],y[4]), (609748.788 - x_ref, 5793447.86 - y_ref)) |
---|
| 3241 | |
---|
| 3242 | assert allclose(z[0],9000.0 ) |
---|
| 3243 | assert allclose(stage[0][1],0.0 ) |
---|
| 3244 | |
---|
| 3245 | #(4000+1000)*60 |
---|
| 3246 | assert allclose(xmomentum[1][1],300000.0 ) |
---|
| 3247 | |
---|
| 3248 | |
---|
| 3249 | fid.close() |
---|
| 3250 | |
---|
| 3251 | #tidy up |
---|
| 3252 | os.remove(bath_dir_filename) |
---|
| 3253 | os.rmdir(bath_dir) |
---|
| 3254 | |
---|
| 3255 | os.remove(elevation_dir_filename1) |
---|
| 3256 | os.remove(elevation_dir_filename2) |
---|
| 3257 | os.rmdir(elevation_dir) |
---|
| 3258 | |
---|
| 3259 | os.remove(ucur_dir_filename1) |
---|
| 3260 | os.remove(ucur_dir_filename2) |
---|
| 3261 | os.rmdir(ucur_dir) |
---|
| 3262 | |
---|
| 3263 | os.remove(vcur_dir_filename1) |
---|
| 3264 | os.remove(vcur_dir_filename2) |
---|
| 3265 | os.rmdir(vcur_dir) |
---|
| 3266 | |
---|
| 3267 | |
---|
| 3268 | # remove sww file |
---|
| 3269 | os.remove(sww_file) |
---|
| 3270 | |
---|
| 3271 | def test_asc_csiro2sww2(self): |
---|
| 3272 | import tempfile |
---|
| 3273 | |
---|
| 3274 | bath_dir = tempfile.mkdtemp() |
---|
| 3275 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
| 3276 | #bath_dir = 'bath_data_manager_test' |
---|
| 3277 | #print "os.getcwd( )",os.getcwd( ) |
---|
| 3278 | elevation_dir = tempfile.mkdtemp() |
---|
| 3279 | #elevation_dir = 'elev_expanded' |
---|
| 3280 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
| 3281 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
| 3282 | |
---|
| 3283 | fid = open(bath_dir_filename, 'w') |
---|
| 3284 | fid.write(""" ncols 3 |
---|
| 3285 | nrows 2 |
---|
| 3286 | xllcorner 148.00000 |
---|
| 3287 | yllcorner -38.00000 |
---|
| 3288 | cellsize 0.25 |
---|
| 3289 | nodata_value -9999.0 |
---|
| 3290 | 9000.000 -1000.000 3000.0 |
---|
| 3291 | -1000.000 9000.000 -1000.000 |
---|
| 3292 | """) |
---|
| 3293 | fid.close() |
---|
| 3294 | |
---|
| 3295 | fid = open(elevation_dir_filename1, 'w') |
---|
| 3296 | fid.write(""" ncols 3 |
---|
| 3297 | nrows 2 |
---|
| 3298 | xllcorner 148.00000 |
---|
| 3299 | yllcorner -38.00000 |
---|
| 3300 | cellsize 0.25 |
---|
| 3301 | nodata_value -9999.0 |
---|
| 3302 | 9000.000 0.000 3000.0 |
---|
| 3303 | 0.000 -9999.000 -9999.000 |
---|
| 3304 | """) |
---|
| 3305 | fid.close() |
---|
| 3306 | |
---|
| 3307 | fid = open(elevation_dir_filename2, 'w') |
---|
| 3308 | fid.write(""" ncols 3 |
---|
| 3309 | nrows 2 |
---|
| 3310 | xllcorner 148.00000 |
---|
| 3311 | yllcorner -38.00000 |
---|
| 3312 | cellsize 0.25 |
---|
| 3313 | nodata_value -9999.0 |
---|
| 3314 | 9000.000 4000.000 4000.0 |
---|
| 3315 | 4000.000 9000.000 4000.000 |
---|
| 3316 | """) |
---|
| 3317 | fid.close() |
---|
| 3318 | |
---|
| 3319 | ucur_dir = tempfile.mkdtemp() |
---|
| 3320 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
| 3321 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
| 3322 | |
---|
| 3323 | fid = open(ucur_dir_filename1, 'w') |
---|
| 3324 | fid.write(""" ncols 3 |
---|
| 3325 | nrows 2 |
---|
| 3326 | xllcorner 148.00000 |
---|
| 3327 | yllcorner -38.00000 |
---|
| 3328 | cellsize 0.25 |
---|
| 3329 | nodata_value -9999.0 |
---|
| 3330 | 90.000 60.000 30.0 |
---|
| 3331 | 10.000 10.000 10.000 |
---|
| 3332 | """) |
---|
| 3333 | fid.close() |
---|
| 3334 | fid = open(ucur_dir_filename2, 'w') |
---|
| 3335 | fid.write(""" ncols 3 |
---|
| 3336 | nrows 2 |
---|
| 3337 | xllcorner 148.00000 |
---|
| 3338 | yllcorner -38.00000 |
---|
| 3339 | cellsize 0.25 |
---|
| 3340 | nodata_value -9999.0 |
---|
| 3341 | 90.000 60.000 30.0 |
---|
| 3342 | 10.000 10.000 10.000 |
---|
| 3343 | """) |
---|
| 3344 | fid.close() |
---|
| 3345 | |
---|
| 3346 | vcur_dir = tempfile.mkdtemp() |
---|
| 3347 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
| 3348 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
| 3349 | |
---|
| 3350 | fid = open(vcur_dir_filename1, 'w') |
---|
| 3351 | fid.write(""" ncols 3 |
---|
| 3352 | nrows 2 |
---|
| 3353 | xllcorner 148.00000 |
---|
| 3354 | yllcorner -38.00000 |
---|
| 3355 | cellsize 0.25 |
---|
| 3356 | nodata_value -9999.0 |
---|
| 3357 | 90.000 60.000 30.0 |
---|
| 3358 | 10.000 10.000 10.000 |
---|
| 3359 | """) |
---|
| 3360 | fid.close() |
---|
| 3361 | fid = open(vcur_dir_filename2, 'w') |
---|
| 3362 | fid.write(""" ncols 3 |
---|
| 3363 | nrows 2 |
---|
| 3364 | xllcorner 148.00000 |
---|
| 3365 | yllcorner -38.00000 |
---|
| 3366 | cellsize 0.25 |
---|
| 3367 | nodata_value -9999.0 |
---|
| 3368 | 90.000 60.000 30.0 |
---|
| 3369 | 10.000 10.000 10.000 |
---|
| 3370 | """) |
---|
| 3371 | fid.close() |
---|
| 3372 | |
---|
| 3373 | try: |
---|
| 3374 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, |
---|
| 3375 | vcur_dir, sww_file) |
---|
| 3376 | except: |
---|
| 3377 | #tidy up |
---|
| 3378 | os.remove(bath_dir_filename) |
---|
| 3379 | os.rmdir(bath_dir) |
---|
| 3380 | |
---|
| 3381 | os.remove(elevation_dir_filename1) |
---|
| 3382 | os.remove(elevation_dir_filename2) |
---|
| 3383 | os.rmdir(elevation_dir) |
---|
| 3384 | |
---|
| 3385 | os.remove(ucur_dir_filename1) |
---|
| 3386 | os.remove(ucur_dir_filename2) |
---|
| 3387 | os.rmdir(ucur_dir) |
---|
| 3388 | |
---|
| 3389 | os.remove(vcur_dir_filename1) |
---|
| 3390 | os.remove(vcur_dir_filename2) |
---|
| 3391 | os.rmdir(vcur_dir) |
---|
| 3392 | else: |
---|
| 3393 | #tidy up |
---|
| 3394 | os.remove(bath_dir_filename) |
---|
| 3395 | os.rmdir(bath_dir) |
---|
| 3396 | |
---|
| 3397 | os.remove(elevation_dir_filename1) |
---|
| 3398 | os.remove(elevation_dir_filename2) |
---|
| 3399 | os.rmdir(elevation_dir) |
---|
| 3400 | raise 'Should raise exception' |
---|
| 3401 | |
---|
| 3402 | os.remove(ucur_dir_filename1) |
---|
| 3403 | os.remove(ucur_dir_filename2) |
---|
| 3404 | os.rmdir(ucur_dir) |
---|
| 3405 | |
---|
| 3406 | os.remove(vcur_dir_filename1) |
---|
| 3407 | os.remove(vcur_dir_filename2) |
---|
| 3408 | os.rmdir(vcur_dir) |
---|
| 3409 | |
---|
| 3410 | |
---|
| 3411 | |
---|
| 3412 | def test_asc_csiro2sww3(self): |
---|
| 3413 | import tempfile |
---|
| 3414 | |
---|
| 3415 | bath_dir = tempfile.mkdtemp() |
---|
| 3416 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
| 3417 | #bath_dir = 'bath_data_manager_test' |
---|
| 3418 | #print "os.getcwd( )",os.getcwd( ) |
---|
| 3419 | elevation_dir = tempfile.mkdtemp() |
---|
| 3420 | #elevation_dir = 'elev_expanded' |
---|
| 3421 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
| 3422 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
| 3423 | |
---|
| 3424 | fid = open(bath_dir_filename, 'w') |
---|
| 3425 | fid.write(""" ncols 3 |
---|
| 3426 | nrows 2 |
---|
| 3427 | xllcorner 148.00000 |
---|
| 3428 | yllcorner -38.00000 |
---|
| 3429 | cellsize 0.25 |
---|
| 3430 | nodata_value -9999.0 |
---|
| 3431 | 9000.000 -1000.000 3000.0 |
---|
| 3432 | -1000.000 9000.000 -1000.000 |
---|
| 3433 | """) |
---|
| 3434 | fid.close() |
---|
| 3435 | |
---|
| 3436 | fid = open(elevation_dir_filename1, 'w') |
---|
| 3437 | fid.write(""" ncols 3 |
---|
| 3438 | nrows 2 |
---|
| 3439 | xllcorner 148.00000 |
---|
| 3440 | yllcorner -38.00000 |
---|
| 3441 | cellsize 0.25 |
---|
| 3442 | nodata_value -9999.0 |
---|
| 3443 | 9000.000 0.000 3000.0 |
---|
| 3444 | 0.000 -9999.000 -9999.000 |
---|
| 3445 | """) |
---|
| 3446 | fid.close() |
---|
| 3447 | |
---|
| 3448 | fid = open(elevation_dir_filename2, 'w') |
---|
| 3449 | fid.write(""" ncols 3 |
---|
| 3450 | nrows 2 |
---|
| 3451 | xllcorner 148.00000 |
---|
| 3452 | yllcorner -38.00000 |
---|
| 3453 | cellsize 0.25 |
---|
| 3454 | nodata_value -9999.0 |
---|
| 3455 | 9000.000 4000.000 4000.0 |
---|
| 3456 | 4000.000 9000.000 4000.000 |
---|
| 3457 | """) |
---|
| 3458 | fid.close() |
---|
| 3459 | |
---|
| 3460 | ucur_dir = tempfile.mkdtemp() |
---|
| 3461 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
| 3462 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
| 3463 | |
---|
| 3464 | fid = open(ucur_dir_filename1, 'w') |
---|
| 3465 | fid.write(""" ncols 3 |
---|
| 3466 | nrows 2 |
---|
| 3467 | xllcorner 148.00000 |
---|
| 3468 | yllcorner -38.00000 |
---|
| 3469 | cellsize 0.25 |
---|
| 3470 | nodata_value -9999.0 |
---|
| 3471 | 90.000 60.000 30.0 |
---|
| 3472 | 10.000 10.000 10.000 |
---|
| 3473 | """) |
---|
| 3474 | fid.close() |
---|
| 3475 | fid = open(ucur_dir_filename2, 'w') |
---|
| 3476 | fid.write(""" ncols 3 |
---|
| 3477 | nrows 2 |
---|
| 3478 | xllcorner 148.00000 |
---|
| 3479 | yllcorner -38.00000 |
---|
| 3480 | cellsize 0.25 |
---|
| 3481 | nodata_value -9999.0 |
---|
| 3482 | 90.000 60.000 30.0 |
---|
| 3483 | 10.000 10.000 10.000 |
---|
| 3484 | """) |
---|
| 3485 | fid.close() |
---|
| 3486 | |
---|
| 3487 | vcur_dir = tempfile.mkdtemp() |
---|
| 3488 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
| 3489 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
| 3490 | |
---|
| 3491 | fid = open(vcur_dir_filename1, 'w') |
---|
| 3492 | fid.write(""" ncols 3 |
---|
| 3493 | nrows 2 |
---|
| 3494 | xllcorner 148.00000 |
---|
| 3495 | yllcorner -38.00000 |
---|
| 3496 | cellsize 0.25 |
---|
| 3497 | nodata_value -9999.0 |
---|
| 3498 | 90.000 60.000 30.0 |
---|
| 3499 | 10.000 10.000 10.000 |
---|
| 3500 | """) |
---|
| 3501 | fid.close() |
---|
| 3502 | fid = open(vcur_dir_filename2, 'w') |
---|
| 3503 | fid.write(""" ncols 3 |
---|
| 3504 | nrows 2 |
---|
| 3505 | xllcorner 148.00000 |
---|
| 3506 | yllcorner -38.00000 |
---|
| 3507 | cellsize 0.25 |
---|
| 3508 | nodata_value -9999.0 |
---|
| 3509 | 90.000 60.000 30.0 |
---|
| 3510 | 10.000 10.000 10.000 |
---|
| 3511 | """) |
---|
| 3512 | fid.close() |
---|
| 3513 | |
---|
| 3514 | sww_file = 'a_test.sww' |
---|
| 3515 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, vcur_dir, |
---|
| 3516 | sww_file, fail_on_NaN = False, elevation_NaN_filler = 0, |
---|
| 3517 | mean_stage = 100) |
---|
| 3518 | |
---|
| 3519 | # check the sww file |
---|
| 3520 | |
---|
| 3521 | fid = NetCDFFile(sww_file, 'r') #Open existing file for read |
---|
| 3522 | x = fid.variables['x'][:] |
---|
| 3523 | y = fid.variables['y'][:] |
---|
| 3524 | z = fid.variables['z'][:] |
---|
| 3525 | stage = fid.variables['stage'][:] |
---|
| 3526 | xmomentum = fid.variables['xmomentum'][:] |
---|
| 3527 | geo_ref = Geo_reference(NetCDFObject=fid) |
---|
| 3528 | #print "geo_ref",geo_ref |
---|
| 3529 | x_ref = geo_ref.get_xllcorner() |
---|
| 3530 | y_ref = geo_ref.get_yllcorner() |
---|
| 3531 | self.failUnless(geo_ref.get_zone() == 55, 'Failed') |
---|
| 3532 | assert allclose(x_ref, 587798.418) # (-38, 148) |
---|
| 3533 | assert allclose(y_ref, 5793123.477)# (-38, 148.5) |
---|
| 3534 | |
---|
| 3535 | #Zone: 55 |
---|
| 3536 | #Easting: 588095.674 Northing: 5821451.722 |
---|
| 3537 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 0 ' 0.00000 '' |
---|
| 3538 | assert allclose((x[0],y[0]), (588095.674 - x_ref, 5821451.722 - y_ref)) |
---|
| 3539 | |
---|
| 3540 | #Zone: 55 |
---|
| 3541 | #Easting: 632145.632 Northing: 5820863.269 |
---|
| 3542 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
| 3543 | assert allclose((x[2],y[2]), (632145.632 - x_ref, 5820863.269 - y_ref)) |
---|
| 3544 | |
---|
| 3545 | #Zone: 55 |
---|
| 3546 | #Easting: 609748.788 Northing: 5793447.860 |
---|
| 3547 | #Latitude: -38 0 ' 0.00000 '' Longitude: 148 15 ' 0.00000 '' |
---|
| 3548 | assert allclose((x[4],y[4]), (609748.788 - x_ref, 5793447.86 - y_ref)) |
---|
| 3549 | |
---|
| 3550 | assert allclose(z[0],9000.0 ) |
---|
| 3551 | assert allclose(stage[0][4],100.0 ) |
---|
| 3552 | assert allclose(stage[0][5],100.0 ) |
---|
| 3553 | |
---|
| 3554 | #(100.0 - 9000)*10 |
---|
| 3555 | assert allclose(xmomentum[0][4], -89000.0 ) |
---|
| 3556 | |
---|
| 3557 | #(100.0 - -1000.000)*10 |
---|
| 3558 | assert allclose(xmomentum[0][5], 11000.0 ) |
---|
| 3559 | |
---|
| 3560 | fid.close() |
---|
| 3561 | |
---|
| 3562 | #tidy up |
---|
| 3563 | os.remove(bath_dir_filename) |
---|
| 3564 | os.rmdir(bath_dir) |
---|
| 3565 | |
---|
| 3566 | os.remove(elevation_dir_filename1) |
---|
| 3567 | os.remove(elevation_dir_filename2) |
---|
| 3568 | os.rmdir(elevation_dir) |
---|
| 3569 | |
---|
| 3570 | os.remove(ucur_dir_filename1) |
---|
| 3571 | os.remove(ucur_dir_filename2) |
---|
| 3572 | os.rmdir(ucur_dir) |
---|
| 3573 | |
---|
| 3574 | os.remove(vcur_dir_filename1) |
---|
| 3575 | os.remove(vcur_dir_filename2) |
---|
| 3576 | os.rmdir(vcur_dir) |
---|
| 3577 | |
---|
| 3578 | # remove sww file |
---|
| 3579 | os.remove(sww_file) |
---|
| 3580 | |
---|
| 3581 | |
---|
| 3582 | def test_asc_csiro2sww4(self): |
---|
| 3583 | """ |
---|
| 3584 | Test specifying the extent |
---|
| 3585 | """ |
---|
| 3586 | |
---|
| 3587 | import tempfile |
---|
| 3588 | |
---|
| 3589 | bath_dir = tempfile.mkdtemp() |
---|
| 3590 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
| 3591 | #bath_dir = 'bath_data_manager_test' |
---|
| 3592 | #print "os.getcwd( )",os.getcwd( ) |
---|
| 3593 | elevation_dir = tempfile.mkdtemp() |
---|
| 3594 | #elevation_dir = 'elev_expanded' |
---|
| 3595 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
| 3596 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
| 3597 | |
---|
| 3598 | fid = open(bath_dir_filename, 'w') |
---|
| 3599 | fid.write(""" ncols 4 |
---|
| 3600 | nrows 4 |
---|
| 3601 | xllcorner 148.00000 |
---|
| 3602 | yllcorner -38.00000 |
---|
| 3603 | cellsize 0.25 |
---|
| 3604 | nodata_value -9999.0 |
---|
| 3605 | -9000.000 -1000.000 -3000.0 -2000.000 |
---|
| 3606 | -1000.000 9000.000 -1000.000 -3000.000 |
---|
| 3607 | -4000.000 6000.000 2000.000 -5000.000 |
---|
| 3608 | -9000.000 -1000.000 -3000.0 -2000.000 |
---|
| 3609 | """) |
---|
| 3610 | fid.close() |
---|
| 3611 | |
---|
| 3612 | fid = open(elevation_dir_filename1, 'w') |
---|
| 3613 | fid.write(""" ncols 4 |
---|
| 3614 | nrows 4 |
---|
| 3615 | xllcorner 148.00000 |
---|
| 3616 | yllcorner -38.00000 |
---|
| 3617 | cellsize 0.25 |
---|
| 3618 | nodata_value -9999.0 |
---|
| 3619 | -900.000 -100.000 -300.0 -200.000 |
---|
| 3620 | -100.000 900.000 -100.000 -300.000 |
---|
| 3621 | -400.000 600.000 200.000 -500.000 |
---|
| 3622 | -900.000 -100.000 -300.0 -200.000 |
---|
| 3623 | """) |
---|
| 3624 | fid.close() |
---|
| 3625 | |
---|
| 3626 | fid = open(elevation_dir_filename2, 'w') |
---|
| 3627 | fid.write(""" ncols 4 |
---|
| 3628 | nrows 4 |
---|
| 3629 | xllcorner 148.00000 |
---|
| 3630 | yllcorner -38.00000 |
---|
| 3631 | cellsize 0.25 |
---|
| 3632 | nodata_value -9999.0 |
---|
| 3633 | -990.000 -110.000 -330.0 -220.000 |
---|
| 3634 | -110.000 990.000 -110.000 -330.000 |
---|
| 3635 | -440.000 660.000 220.000 -550.000 |
---|
| 3636 | -990.000 -110.000 -330.0 -220.000 |
---|
| 3637 | """) |
---|
| 3638 | fid.close() |
---|
| 3639 | |
---|
| 3640 | ucur_dir = tempfile.mkdtemp() |
---|
| 3641 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
| 3642 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
| 3643 | |
---|
| 3644 | fid = open(ucur_dir_filename1, 'w') |
---|
| 3645 | fid.write(""" ncols 4 |
---|
| 3646 | nrows 4 |
---|
| 3647 | xllcorner 148.00000 |
---|
| 3648 | yllcorner -38.00000 |
---|
| 3649 | cellsize 0.25 |
---|
| 3650 | nodata_value -9999.0 |
---|
| 3651 | -90.000 -10.000 -30.0 -20.000 |
---|
| 3652 | -10.000 90.000 -10.000 -30.000 |
---|
| 3653 | -40.000 60.000 20.000 -50.000 |
---|
| 3654 | -90.000 -10.000 -30.0 -20.000 |
---|
| 3655 | """) |
---|
| 3656 | fid.close() |
---|
| 3657 | fid = open(ucur_dir_filename2, 'w') |
---|
| 3658 | fid.write(""" ncols 4 |
---|
| 3659 | nrows 4 |
---|
| 3660 | xllcorner 148.00000 |
---|
| 3661 | yllcorner -38.00000 |
---|
| 3662 | cellsize 0.25 |
---|
| 3663 | nodata_value -9999.0 |
---|
| 3664 | -90.000 -10.000 -30.0 -20.000 |
---|
| 3665 | -10.000 99.000 -11.000 -30.000 |
---|
| 3666 | -40.000 66.000 22.000 -50.000 |
---|
| 3667 | -90.000 -10.000 -30.0 -20.000 |
---|
| 3668 | """) |
---|
| 3669 | fid.close() |
---|
| 3670 | |
---|
| 3671 | vcur_dir = tempfile.mkdtemp() |
---|
| 3672 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
| 3673 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
| 3674 | |
---|
| 3675 | fid = open(vcur_dir_filename1, 'w') |
---|
| 3676 | fid.write(""" ncols 4 |
---|
| 3677 | nrows 4 |
---|
| 3678 | xllcorner 148.00000 |
---|
| 3679 | yllcorner -38.00000 |
---|
| 3680 | cellsize 0.25 |
---|
| 3681 | nodata_value -9999.0 |
---|
| 3682 | -90.000 -10.000 -30.0 -20.000 |
---|
| 3683 | -10.000 80.000 -20.000 -30.000 |
---|
| 3684 | -40.000 50.000 10.000 -50.000 |
---|
| 3685 | -90.000 -10.000 -30.0 -20.000 |
---|
| 3686 | """) |
---|
| 3687 | fid.close() |
---|
| 3688 | fid = open(vcur_dir_filename2, 'w') |
---|
| 3689 | fid.write(""" ncols 4 |
---|
| 3690 | nrows 4 |
---|
| 3691 | xllcorner 148.00000 |
---|
| 3692 | yllcorner -38.00000 |
---|
| 3693 | cellsize 0.25 |
---|
| 3694 | nodata_value -9999.0 |
---|
| 3695 | -90.000 -10.000 -30.0 -20.000 |
---|
| 3696 | -10.000 88.000 -22.000 -30.000 |
---|
| 3697 | -40.000 55.000 11.000 -50.000 |
---|
| 3698 | -90.000 -10.000 -30.0 -20.000 |
---|
| 3699 | """) |
---|
| 3700 | fid.close() |
---|
| 3701 | |
---|
| 3702 | sww_file = tempfile.mktemp(".sww") |
---|
| 3703 | #sww_file = 'a_test.sww' |
---|
| 3704 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, vcur_dir, |
---|
| 3705 | sww_file, fail_on_NaN = False, elevation_NaN_filler = 0, |
---|
| 3706 | mean_stage = 100, |
---|
| 3707 | minlat = -37.6, maxlat = -37.6, |
---|
| 3708 | minlon = 148.3, maxlon = 148.3 |
---|
| 3709 | #,verbose = True |
---|
| 3710 | ) |
---|
| 3711 | |
---|
| 3712 | # check the sww file |
---|
| 3713 | |
---|
| 3714 | fid = NetCDFFile(sww_file, 'r') #Open existing file for read |
---|
| 3715 | x = fid.variables['x'][:] |
---|
| 3716 | y = fid.variables['y'][:] |
---|
| 3717 | z = fid.variables['z'][:] |
---|
| 3718 | stage = fid.variables['stage'][:] |
---|
| 3719 | xmomentum = fid.variables['xmomentum'][:] |
---|
| 3720 | ymomentum = fid.variables['ymomentum'][:] |
---|
| 3721 | geo_ref = Geo_reference(NetCDFObject=fid) |
---|
| 3722 | #print "geo_ref",geo_ref |
---|
| 3723 | x_ref = geo_ref.get_xllcorner() |
---|
| 3724 | y_ref = geo_ref.get_yllcorner() |
---|
| 3725 | self.failUnless(geo_ref.get_zone() == 55, 'Failed') |
---|
| 3726 | |
---|
| 3727 | assert allclose(fid.starttime, 0.0) # (-37.45, 148.25) |
---|
| 3728 | assert allclose(x_ref, 610120.388) # (-37.45, 148.25) |
---|
| 3729 | assert allclose(y_ref, 5820863.269 )# (-37.45, 148.5) |
---|
| 3730 | |
---|
| 3731 | #Easting: 632145.632 Northing: 5820863.269 |
---|
| 3732 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
| 3733 | |
---|
| 3734 | #print "x",x |
---|
| 3735 | #print "y",y |
---|
| 3736 | self.failUnless(len(x) == 4,'failed') # 2*2 |
---|
| 3737 | self.failUnless(len(x) == 4,'failed') # 2*2 |
---|
| 3738 | |
---|
| 3739 | #Zone: 55 |
---|
| 3740 | #Easting: 632145.632 Northing: 5820863.269 |
---|
| 3741 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
| 3742 | # magic number - y is close enough for me. |
---|
| 3743 | assert allclose(x[3], 632145.63 - x_ref) |
---|
| 3744 | assert allclose(y[3], 5820863.269 - y_ref + 5.22155314684e-005) |
---|
| 3745 | |
---|
| 3746 | assert allclose(z[0],9000.0 ) #z is elevation info |
---|
| 3747 | #print "z",z |
---|
| 3748 | # 2 time steps, 4 points |
---|
| 3749 | self.failUnless(xmomentum.shape == (2,4), 'failed') |
---|
| 3750 | self.failUnless(ymomentum.shape == (2,4), 'failed') |
---|
| 3751 | |
---|
| 3752 | #(100.0 - -1000.000)*10 |
---|
| 3753 | #assert allclose(xmomentum[0][5], 11000.0 ) |
---|
| 3754 | |
---|
| 3755 | fid.close() |
---|
| 3756 | |
---|
| 3757 | # is the sww file readable? |
---|
| 3758 | #Lets see if we can convert it to a dem! |
---|
| 3759 | #print "sww_file",sww_file |
---|
| 3760 | #dem_file = tempfile.mktemp(".dem") |
---|
| 3761 | domain = sww2domain(sww_file) ###, dem_file) |
---|
| 3762 | domain.check_integrity() |
---|
| 3763 | |
---|
| 3764 | #tidy up |
---|
| 3765 | os.remove(bath_dir_filename) |
---|
| 3766 | os.rmdir(bath_dir) |
---|
| 3767 | |
---|
| 3768 | os.remove(elevation_dir_filename1) |
---|
| 3769 | os.remove(elevation_dir_filename2) |
---|
| 3770 | os.rmdir(elevation_dir) |
---|
| 3771 | |
---|
| 3772 | os.remove(ucur_dir_filename1) |
---|
| 3773 | os.remove(ucur_dir_filename2) |
---|
| 3774 | os.rmdir(ucur_dir) |
---|
| 3775 | |
---|
| 3776 | os.remove(vcur_dir_filename1) |
---|
| 3777 | os.remove(vcur_dir_filename2) |
---|
| 3778 | os.rmdir(vcur_dir) |
---|
| 3779 | |
---|
| 3780 | |
---|
| 3781 | |
---|
| 3782 | |
---|
| 3783 | # remove sww file |
---|
| 3784 | os.remove(sww_file) |
---|
| 3785 | |
---|
| 3786 | # remove dem file |
---|
| 3787 | #os.remove(dem_file) |
---|
| 3788 | |
---|
| 3789 | def test_get_min_max_indexes(self): |
---|
| 3790 | latitudes = [3,2,1,0] |
---|
| 3791 | longitudes = [0,10,20,30] |
---|
| 3792 | |
---|
| 3793 | # k - lat |
---|
| 3794 | # l - lon |
---|
| 3795 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
| 3796 | latitudes,longitudes, |
---|
| 3797 | -10,4,-10,31) |
---|
| 3798 | |
---|
| 3799 | #print "kmin",kmin;print "kmax",kmax |
---|
| 3800 | #print "lmin",lmin;print "lmax",lmax |
---|
| 3801 | latitudes_new = latitudes[kmin:kmax] |
---|
| 3802 | longitudes_news = longitudes[lmin:lmax] |
---|
| 3803 | #print "latitudes_new", latitudes_new |
---|
| 3804 | #print "longitudes_news",longitudes_news |
---|
| 3805 | self.failUnless(latitudes == latitudes_new and \ |
---|
| 3806 | longitudes == longitudes_news, |
---|
| 3807 | 'failed') |
---|
| 3808 | |
---|
| 3809 | ## 2nd test |
---|
| 3810 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
| 3811 | latitudes,longitudes, |
---|
| 3812 | 0.5,2.5,5,25) |
---|
| 3813 | #print "kmin",kmin;print "kmax",kmax |
---|
| 3814 | #print "lmin",lmin;print "lmax",lmax |
---|
| 3815 | latitudes_new = latitudes[kmin:kmax] |
---|
| 3816 | longitudes_news = longitudes[lmin:lmax] |
---|
| 3817 | #print "latitudes_new", latitudes_new |
---|
| 3818 | #print "longitudes_news",longitudes_news |
---|
| 3819 | |
---|
| 3820 | self.failUnless(latitudes == latitudes_new and \ |
---|
| 3821 | longitudes == longitudes_news, |
---|
| 3822 | 'failed') |
---|
| 3823 | |
---|
| 3824 | ## 3rd test |
---|
| 3825 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes(latitudes, |
---|
| 3826 | longitudes, |
---|
| 3827 | 1.1,1.9,12,17) |
---|
| 3828 | #print "kmin",kmin;print "kmax",kmax |
---|
| 3829 | #print "lmin",lmin;print "lmax",lmax |
---|
| 3830 | latitudes_new = latitudes[kmin:kmax] |
---|
| 3831 | longitudes_news = longitudes[lmin:lmax] |
---|
| 3832 | #print "latitudes_new", latitudes_new |
---|
| 3833 | #print "longitudes_news",longitudes_news |
---|
| 3834 | |
---|
| 3835 | self.failUnless(latitudes_new == [2, 1] and \ |
---|
| 3836 | longitudes_news == [10, 20], |
---|
| 3837 | 'failed') |
---|
| 3838 | |
---|
| 3839 | |
---|
| 3840 | ## 4th test |
---|
| 3841 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
| 3842 | latitudes,longitudes, |
---|
| 3843 | -0.1,1.9,-2,17) |
---|
| 3844 | #print "kmin",kmin;print "kmax",kmax |
---|
| 3845 | #print "lmin",lmin;print "lmax",lmax |
---|
| 3846 | latitudes_new = latitudes[kmin:kmax] |
---|
| 3847 | longitudes_news = longitudes[lmin:lmax] |
---|
| 3848 | #print "latitudes_new", latitudes_new |
---|
| 3849 | #print "longitudes_news",longitudes_news |
---|
| 3850 | |
---|
| 3851 | self.failUnless(latitudes_new == [2, 1, 0] and \ |
---|
| 3852 | longitudes_news == [0, 10, 20], |
---|
| 3853 | 'failed') |
---|
| 3854 | ## 5th test |
---|
| 3855 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
| 3856 | latitudes,longitudes, |
---|
| 3857 | 0.1,1.9,2,17) |
---|
| 3858 | #print "kmin",kmin;print "kmax",kmax |
---|
| 3859 | #print "lmin",lmin;print "lmax",lmax |
---|
| 3860 | latitudes_new = latitudes[kmin:kmax] |
---|
| 3861 | longitudes_news = longitudes[lmin:lmax] |
---|
| 3862 | #print "latitudes_new", latitudes_new |
---|
| 3863 | #print "longitudes_news",longitudes_news |
---|
| 3864 | |
---|
| 3865 | self.failUnless(latitudes_new == [2, 1, 0] and \ |
---|
| 3866 | longitudes_news == [0, 10, 20], |
---|
| 3867 | 'failed') |
---|
| 3868 | |
---|
| 3869 | ## 6th test |
---|
| 3870 | |
---|
| 3871 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
| 3872 | latitudes,longitudes, |
---|
| 3873 | 1.5,4,18,32) |
---|
| 3874 | #print "kmin",kmin;print "kmax",kmax |
---|
| 3875 | #print "lmin",lmin;print "lmax",lmax |
---|
| 3876 | latitudes_new = latitudes[kmin:kmax] |
---|
| 3877 | longitudes_news = longitudes[lmin:lmax] |
---|
| 3878 | #print "latitudes_new", latitudes_new |
---|
| 3879 | #print "longitudes_news",longitudes_news |
---|
| 3880 | |
---|
| 3881 | self.failUnless(latitudes_new == [3, 2, 1] and \ |
---|
| 3882 | longitudes_news == [10, 20, 30], |
---|
| 3883 | 'failed') |
---|
| 3884 | |
---|
| 3885 | |
---|
| 3886 | ## 7th test |
---|
| 3887 | m2d = array([[0,1,2,3],[4,5,6,7],[8,9,10,11],[12,13,14,15]]) |
---|
| 3888 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
| 3889 | latitudes,longitudes, |
---|
| 3890 | 1.5,1.5,15,15) |
---|
| 3891 | #print "kmin",kmin;print "kmax",kmax |
---|
| 3892 | #print "lmin",lmin;print "lmax",lmax |
---|
| 3893 | latitudes_new = latitudes[kmin:kmax] |
---|
| 3894 | longitudes_news = longitudes[lmin:lmax] |
---|
| 3895 | m2d = m2d[kmin:kmax,lmin:lmax] |
---|
| 3896 | #print "m2d", m2d |
---|
| 3897 | #print "latitudes_new", latitudes_new |
---|
| 3898 | #print "longitudes_news",longitudes_news |
---|
| 3899 | |
---|
| 3900 | self.failUnless(latitudes_new == [2, 1] and \ |
---|
| 3901 | longitudes_news == [10, 20], |
---|
| 3902 | 'failed') |
---|
| 3903 | |
---|
| 3904 | self.failUnless(m2d == [[5,6],[9,10]], |
---|
| 3905 | 'failed') |
---|
| 3906 | |
---|
| 3907 | def test_get_min_max_indexes2(self): |
---|
| 3908 | latitudes = [-30,-35,-40,-45] |
---|
| 3909 | longitudes = [148,149,150,151] |
---|
| 3910 | |
---|
| 3911 | m2d = array([[0,1,2,3],[4,5,6,7],[8,9,10,11],[12,13,14,15]]) |
---|
| 3912 | |
---|
| 3913 | # k - lat |
---|
| 3914 | # l - lon |
---|
| 3915 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
| 3916 | latitudes,longitudes, |
---|
| 3917 | -37,-27,147,149.5) |
---|
| 3918 | |
---|
| 3919 | #print "kmin",kmin;print "kmax",kmax |
---|
| 3920 | #print "lmin",lmin;print "lmax",lmax |
---|
| 3921 | #print "m2d", m2d |
---|
| 3922 | #print "latitudes", latitudes |
---|
| 3923 | #print "longitudes",longitudes |
---|
| 3924 | #print "latitudes[kmax]", latitudes[kmax] |
---|
| 3925 | latitudes_new = latitudes[kmin:kmax] |
---|
| 3926 | longitudes_new = longitudes[lmin:lmax] |
---|
| 3927 | m2d = m2d[kmin:kmax,lmin:lmax] |
---|
| 3928 | #print "m2d", m2d |
---|
| 3929 | #print "latitudes_new", latitudes_new |
---|
| 3930 | #print "longitudes_new",longitudes_new |
---|
| 3931 | |
---|
| 3932 | self.failUnless(latitudes_new == [-30, -35, -40] and \ |
---|
| 3933 | longitudes_new == [148, 149,150], |
---|
| 3934 | 'failed') |
---|
| 3935 | self.failUnless(m2d == [[0,1,2],[4,5,6],[8,9,10]], |
---|
| 3936 | 'failed') |
---|
| 3937 | |
---|
| 3938 | def test_get_min_max_indexes3(self): |
---|
| 3939 | latitudes = [-30,-35,-40,-45,-50,-55,-60] |
---|
| 3940 | longitudes = [148,149,150,151] |
---|
| 3941 | |
---|
| 3942 | # k - lat |
---|
| 3943 | # l - lon |
---|
| 3944 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
| 3945 | latitudes,longitudes, |
---|
| 3946 | -43,-37,148.5,149.5) |
---|
| 3947 | |
---|
| 3948 | |
---|
| 3949 | #print "kmin",kmin;print "kmax",kmax |
---|
| 3950 | #print "lmin",lmin;print "lmax",lmax |
---|
| 3951 | #print "latitudes", latitudes |
---|
| 3952 | #print "longitudes",longitudes |
---|
| 3953 | latitudes_new = latitudes[kmin:kmax] |
---|
| 3954 | longitudes_news = longitudes[lmin:lmax] |
---|
| 3955 | #print "latitudes_new", latitudes_new |
---|
| 3956 | #print "longitudes_news",longitudes_news |
---|
| 3957 | |
---|
| 3958 | self.failUnless(latitudes_new == [-35, -40, -45] and \ |
---|
| 3959 | longitudes_news == [148, 149,150], |
---|
| 3960 | 'failed') |
---|
| 3961 | |
---|
| 3962 | def test_get_min_max_indexes4(self): |
---|
| 3963 | latitudes = [-30,-35,-40,-45,-50,-55,-60] |
---|
| 3964 | longitudes = [148,149,150,151] |
---|
| 3965 | |
---|
| 3966 | # k - lat |
---|
| 3967 | # l - lon |
---|
| 3968 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
| 3969 | latitudes,longitudes) |
---|
| 3970 | |
---|
| 3971 | #print "kmin",kmin;print "kmax",kmax |
---|
| 3972 | #print "lmin",lmin;print "lmax",lmax |
---|
| 3973 | #print "latitudes", latitudes |
---|
| 3974 | #print "longitudes",longitudes |
---|
| 3975 | latitudes_new = latitudes[kmin:kmax] |
---|
| 3976 | longitudes_news = longitudes[lmin:lmax] |
---|
| 3977 | #print "latitudes_new", latitudes_new |
---|
| 3978 | #print "longitudes_news",longitudes_news |
---|
| 3979 | |
---|
| 3980 | self.failUnless(latitudes_new == latitudes and \ |
---|
| 3981 | longitudes_news == longitudes, |
---|
| 3982 | 'failed') |
---|
| 3983 | |
---|
| 3984 | def test_tsh2sww(self): |
---|
| 3985 | import os |
---|
| 3986 | import tempfile |
---|
| 3987 | |
---|
| 3988 | tsh_file = tempfile.mktemp(".tsh") |
---|
| 3989 | file = open(tsh_file,"w") |
---|
| 3990 | file.write("4 3 # <vertex #> <x> <y> [attributes]\n \ |
---|
| 3991 | 0 0.0 0.0 0.0 0.0 0.01 \n \ |
---|
| 3992 | 1 1.0 0.0 10.0 10.0 0.02 \n \ |
---|
| 3993 | 2 0.0 1.0 0.0 10.0 0.03 \n \ |
---|
| 3994 | 3 0.5 0.25 8.0 12.0 0.04 \n \ |
---|
| 3995 | # Vert att title \n \ |
---|
| 3996 | elevation \n \ |
---|
| 3997 | stage \n \ |
---|
| 3998 | friction \n \ |
---|
| 3999 | 2 # <triangle #> [<vertex #>] [<neigbouring triangle #>] \n\ |
---|
| 4000 | 0 0 3 2 -1 -1 1 dsg\n\ |
---|
| 4001 | 1 0 1 3 -1 0 -1 ole nielsen\n\ |
---|
| 4002 | 4 # <segment #> <vertex #> <vertex #> [boundary tag] \n\ |
---|
| 4003 | 0 1 0 2 \n\ |
---|
| 4004 | 1 0 2 3 \n\ |
---|
| 4005 | 2 2 3 \n\ |
---|
| 4006 | 3 3 1 1 \n\ |
---|
| 4007 | 3 0 # <x> <y> [attributes] ...Mesh Vertices... \n \ |
---|
| 4008 | 0 216.0 -86.0 \n \ |
---|
| 4009 | 1 160.0 -167.0 \n \ |
---|
| 4010 | 2 114.0 -91.0 \n \ |
---|
| 4011 | 3 # <vertex #> <vertex #> [boundary tag] ...Mesh Segments... \n \ |
---|
| 4012 | 0 0 1 0 \n \ |
---|
| 4013 | 1 1 2 0 \n \ |
---|
| 4014 | 2 2 0 0 \n \ |
---|
| 4015 | 0 # <x> <y> ...Mesh Holes... \n \ |
---|
| 4016 | 0 # <x> <y> <attribute>...Mesh Regions... \n \ |
---|
| 4017 | 0 # <x> <y> <attribute>...Mesh Regions, area... \n\ |
---|
| 4018 | #Geo reference \n \ |
---|
| 4019 | 56 \n \ |
---|
| 4020 | 140 \n \ |
---|
| 4021 | 120 \n") |
---|
| 4022 | file.close() |
---|
| 4023 | |
---|
| 4024 | #sww_file = tempfile.mktemp(".sww") |
---|
| 4025 | #print "sww_file",sww_file |
---|
| 4026 | #print "sww_file",tsh_file |
---|
| 4027 | tsh2sww(tsh_file) |
---|
| 4028 | |
---|
| 4029 | os.remove(tsh_file) |
---|
| 4030 | os.remove(tsh_file[:-4] + '.sww') |
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| 4031 | #------------------------------------------------------------- |
---|
| 4032 | if __name__ == "__main__": |
---|
| 4033 | #suite = unittest.makeSuite(Test_Data_Manager,'test_tsh2sww') |
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| 4034 | suite = unittest.makeSuite(Test_Data_Manager,'test') |
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| 4035 | #suite = unittest.makeSuite(Test_Data_Manager,'test_sww2dem_asc_missing_points') |
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| 4036 | #suite = unittest.makeSuite(Test_Data_Manager,'test_sww2dem_asc_elevation') |
---|
| 4037 | #suite = unittest.makeSuite(Test_Data_Manager,'test_dem2pts_bounding_box') |
---|
| 4038 | #suite = unittest.makeSuite(Test_Data_Manager,'test_decimate_dem') |
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| 4039 | #suite = unittest.makeSuite(Test_Data_Manager,'test_decimate_dem_NODATA') |
---|
| 4040 | runner = unittest.TextTestRunner() |
---|
| 4041 | runner.run(suite) |
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| 4042 | |
---|