| 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 | from math import sqrt, pi |
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| 6 | import tempfile, os |
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| 7 | from os import access, F_OK,sep, removedirs,remove,mkdir,getcwd |
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| 8 | |
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| 9 | #from anuga.abstract_2d_finite_volumes.util import * |
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| 10 | from anuga.abstract_2d_finite_volumes.gauge import * |
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| 11 | from anuga.config import epsilon |
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| 12 | |
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| 13 | from anuga.utilities.numerical_tools import NAN,mean |
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| 14 | |
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| 15 | from sys import platform |
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| 16 | |
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| 17 | from anuga.pmesh.mesh import Mesh |
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| 18 | from anuga.shallow_water import Domain, Transmissive_boundary |
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| 19 | from anuga.shallow_water.sww_file import SWW_file |
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| 20 | from anuga.shallow_water.file_conversion import timefile2netcdf |
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| 21 | from anuga.utilities.file_utils import del_dir |
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| 22 | from csv import reader,writer |
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| 23 | import time |
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| 24 | import string |
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| 25 | |
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| 26 | import numpy as num |
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| 27 | |
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| 28 | |
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| 29 | def test_function(x, y): |
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| 30 | return x+y |
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| 31 | |
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| 32 | class Test_Gauge(unittest.TestCase): |
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| 33 | def setUp(self): |
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| 34 | |
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| 35 | def elevation_function(x, y): |
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| 36 | return -x |
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| 37 | |
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| 38 | """ Setup for all tests. """ |
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| 39 | |
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| 40 | mesh_file = tempfile.mktemp(".tsh") |
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| 41 | points = [[0.0,0.0],[6.0,0.0],[6.0,6.0],[0.0,6.0]] |
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| 42 | m = Mesh() |
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| 43 | m.add_vertices(points) |
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| 44 | m.auto_segment() |
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| 45 | m.generate_mesh(verbose=False) |
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| 46 | m.export_mesh_file(mesh_file) |
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| 47 | |
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| 48 | # Create shallow water domain |
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| 49 | domain = Domain(mesh_file) |
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| 50 | os.remove(mesh_file) |
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| 51 | |
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| 52 | domain.default_order = 2 |
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| 53 | |
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| 54 | # This test was made before tight_slope_limiters were introduced |
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| 55 | # Since were are testing interpolation values this is OK |
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| 56 | domain.tight_slope_limiters = 0 |
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| 57 | |
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| 58 | # Set some field values |
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| 59 | domain.set_quantity('elevation', elevation_function) |
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| 60 | domain.set_quantity('friction', 0.03) |
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| 61 | domain.set_quantity('xmomentum', 3.0) |
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| 62 | domain.set_quantity('ymomentum', 4.0) |
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| 63 | |
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| 64 | ###################### |
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| 65 | # Boundary conditions |
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| 66 | B = Transmissive_boundary(domain) |
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| 67 | domain.set_boundary( {'exterior': B}) |
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| 68 | |
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| 69 | # This call mangles the stage values. |
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| 70 | domain.distribute_to_vertices_and_edges() |
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| 71 | domain.set_quantity('stage', 1.0) |
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| 72 | |
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| 73 | domain.set_name('datatest' + str(time.time())) |
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| 74 | domain.smooth = True |
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| 75 | domain.reduction = mean |
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| 76 | |
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| 77 | self.domain = domain |
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| 78 | |
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| 79 | |
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| 80 | def tearDown(self): |
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| 81 | """Called at end of each test.""" |
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| 82 | if self.sww: |
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| 83 | os.remove(self.sww.filename) |
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| 84 | |
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| 85 | def _create_sww(self): |
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| 86 | self.sww = SWW_file(self.domain) |
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| 87 | self.sww.store_connectivity() |
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| 88 | self.sww.store_timestep() |
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| 89 | self.domain.set_quantity('stage', 10.0) # This is automatically limited |
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| 90 | # so it will not be less than the elevation |
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| 91 | self.domain.time = 2. |
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| 92 | self.sww.store_timestep() |
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| 93 | |
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| 94 | |
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| 95 | def test_sww2csv(self): |
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| 96 | |
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| 97 | """Most of this test was copied from test_interpolate |
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| 98 | test_interpole_sww2csv |
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| 99 | |
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| 100 | This is testing the sww2csv_gauges function, by creating a sww file and |
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| 101 | then exporting the gauges and checking the results. |
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| 102 | """ |
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| 103 | |
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| 104 | domain = self.domain |
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| 105 | self._create_sww() |
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| 106 | |
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| 107 | # test the function |
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| 108 | points = [[5.0,1.],[0.5,2.]] |
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| 109 | |
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| 110 | points_file = tempfile.mktemp(".csv") |
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| 111 | # points_file = 'test_point.csv' |
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| 112 | file_id = open(points_file,"w") |
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| 113 | file_id.write("name, easting, northing, elevation \n\ |
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| 114 | point1, 5.0, 1.0, 3.0\n\ |
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| 115 | point2, 0.5, 2.0, 9.0\n") |
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| 116 | file_id.close() |
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| 117 | |
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| 118 | |
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| 119 | sww2csv_gauges(self.sww.filename, |
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| 120 | points_file, |
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| 121 | verbose=False, |
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| 122 | use_cache=False) |
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| 123 | |
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| 124 | # point1_answers_array = [[0.0,1.0,-5.0,3.0,4.0], [2.0,10.0,-5.0,3.0,4.0]] |
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| 125 | point1_answers_array = [[0.0,0.0,1.0,6.0,-5.0,3.0,4.0], [2.0,2.0/3600.,10.0,15.0,-5.0,3.0,4.0]] |
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| 126 | point1_filename = 'gauge_point1.csv' |
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| 127 | point1_handle = file(point1_filename) |
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| 128 | point1_reader = reader(point1_handle) |
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| 129 | point1_reader.next() |
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| 130 | |
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| 131 | line=[] |
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| 132 | for i,row in enumerate(point1_reader): |
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| 133 | # print 'i',i,'row',row |
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| 134 | line.append([float(row[0]),float(row[1]),float(row[2]),float(row[3]), |
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| 135 | float(row[4]),float(row[5]),float(row[6])]) |
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| 136 | # print 'assert line',line[i],'point1',point1_answers_array[i] |
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| 137 | assert num.allclose(line[i], point1_answers_array[i]) |
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| 138 | |
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| 139 | point2_answers_array = [[0.0,0.0,1.0,1.5,-0.5,3.0,4.0], [2.0,2.0/3600.,10.0,10.5,-0.5,3.0,4.0]] |
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| 140 | point2_filename = 'gauge_point2.csv' |
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| 141 | point2_handle = file(point2_filename) |
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| 142 | point2_reader = reader(point2_handle) |
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| 143 | point2_reader.next() |
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| 144 | |
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| 145 | line=[] |
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| 146 | for i,row in enumerate(point2_reader): |
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| 147 | # print 'i',i,'row',row |
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| 148 | line.append([float(row[0]),float(row[1]),float(row[2]),float(row[3]), |
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| 149 | float(row[4]),float(row[5]),float(row[6])]) |
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| 150 | # print 'assert line',line[i],'point1',point1_answers_array[i] |
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| 151 | assert num.allclose(line[i], point2_answers_array[i]) |
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| 152 | |
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| 153 | # clean up |
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| 154 | point1_handle.close() |
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| 155 | point2_handle.close() |
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| 156 | os.remove(points_file) |
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| 157 | os.remove(point1_filename) |
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| 158 | os.remove(point2_filename) |
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| 159 | |
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| 160 | |
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| 161 | def test_sww2csv_gauges1(self): |
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| 162 | from anuga.pmesh.mesh import Mesh |
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| 163 | from anuga.shallow_water import Domain, Transmissive_boundary |
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| 164 | from csv import reader,writer |
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| 165 | import time |
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| 166 | import string |
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| 167 | |
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| 168 | """Most of this test was copied from test_interpolate |
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| 169 | test_interpole_sww2csv |
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| 170 | |
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| 171 | This is testing the sww2csv_gauges function, by creating a sww file and |
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| 172 | then exporting the gauges and checking the results. |
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| 173 | |
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| 174 | This tests the ablity not to have elevation in the points file and |
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| 175 | not store xmomentum and ymomentum |
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| 176 | """ |
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| 177 | |
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| 178 | domain = self.domain |
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| 179 | self._create_sww() |
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| 180 | |
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| 181 | # test the function |
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| 182 | points = [[5.0,1.],[0.5,2.]] |
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| 183 | |
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| 184 | points_file = tempfile.mktemp(".csv") |
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| 185 | # points_file = 'test_point.csv' |
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| 186 | file_id = open(points_file,"w") |
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| 187 | file_id.write("name,easting,northing \n\ |
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| 188 | point1, 5.0, 1.0\n\ |
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| 189 | point2, 0.5, 2.0\n") |
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| 190 | file_id.close() |
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| 191 | |
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| 192 | sww2csv_gauges(self.sww.filename, |
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| 193 | points_file, |
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| 194 | quantities=['stage', 'elevation'], |
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| 195 | use_cache=False, |
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| 196 | verbose=False) |
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| 197 | |
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| 198 | point1_answers_array = [[0.0,1.0,-5.0], [2.0,10.0,-5.0]] |
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| 199 | point1_filename = 'gauge_point1.csv' |
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| 200 | point1_handle = file(point1_filename) |
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| 201 | point1_reader = reader(point1_handle) |
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| 202 | point1_reader.next() |
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| 203 | |
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| 204 | line=[] |
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| 205 | for i,row in enumerate(point1_reader): |
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| 206 | # print 'i',i,'row',row |
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| 207 | # note the 'hole' (element 1) below - skip the new 'hours' field |
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| 208 | line.append([float(row[0]),float(row[2]),float(row[3])]) |
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| 209 | #print 'line',line[i],'point1',point1_answers_array[i] |
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| 210 | assert num.allclose(line[i], point1_answers_array[i]) |
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| 211 | |
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| 212 | point2_answers_array = [[0.0,1.0,-0.5], [2.0,10.0,-0.5]] |
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| 213 | point2_filename = 'gauge_point2.csv' |
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| 214 | point2_handle = file(point2_filename) |
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| 215 | point2_reader = reader(point2_handle) |
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| 216 | point2_reader.next() |
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| 217 | |
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| 218 | line=[] |
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| 219 | for i,row in enumerate(point2_reader): |
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| 220 | # print 'i',i,'row',row |
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| 221 | # note the 'hole' (element 1) below - skip the new 'hours' field |
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| 222 | line.append([float(row[0]),float(row[2]),float(row[3])]) |
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| 223 | # print 'line',line[i],'point1',point1_answers_array[i] |
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| 224 | assert num.allclose(line[i], point2_answers_array[i]) |
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| 225 | |
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| 226 | # clean up |
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| 227 | point1_handle.close() |
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| 228 | point2_handle.close() |
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| 229 | os.remove(points_file) |
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| 230 | os.remove(point1_filename) |
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| 231 | os.remove(point2_filename) |
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| 232 | |
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| 233 | |
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| 234 | def test_sww2csv_gauges2(self): |
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| 235 | |
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| 236 | """Most of this test was copied from test_interpolate |
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| 237 | test_interpole_sww2csv |
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| 238 | |
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| 239 | This is testing the sww2csv_gauges function, by creating a sww file and |
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| 240 | then exporting the gauges and checking the results. |
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| 241 | |
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| 242 | This is the same as sww2csv_gauges except set domain.set_starttime to 5. |
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| 243 | Therefore testing the storing of the absolute time in the csv files |
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| 244 | """ |
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| 245 | |
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| 246 | domain = self.domain |
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| 247 | domain.set_starttime(5) |
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| 248 | self._create_sww() |
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| 249 | |
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| 250 | # test the function |
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| 251 | points = [[5.0,1.],[0.5,2.]] |
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| 252 | |
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| 253 | points_file = tempfile.mktemp(".csv") |
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| 254 | # points_file = 'test_point.csv' |
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| 255 | file_id = open(points_file,"w") |
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| 256 | file_id.write("name, easting, northing, elevation \n\ |
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| 257 | point1, 5.0, 1.0, 3.0\n\ |
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| 258 | point2, 0.5, 2.0, 9.0\n") |
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| 259 | file_id.close() |
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| 260 | |
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| 261 | sww2csv_gauges(self.sww.filename, |
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| 262 | points_file, |
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| 263 | verbose=False, |
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| 264 | use_cache=False) |
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| 265 | |
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| 266 | # point1_answers_array = [[0.0,1.0,-5.0,3.0,4.0], [2.0,10.0,-5.0,3.0,4.0]] |
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| 267 | point1_answers_array = [[5.0,5.0/3600.,1.0,6.0,-5.0,3.0,4.0], [7.0,7.0/3600.,10.0,15.0,-5.0,3.0,4.0]] |
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| 268 | point1_filename = 'gauge_point1.csv' |
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| 269 | point1_handle = file(point1_filename) |
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| 270 | point1_reader = reader(point1_handle) |
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| 271 | point1_reader.next() |
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| 272 | |
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| 273 | line=[] |
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| 274 | for i,row in enumerate(point1_reader): |
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| 275 | #print 'i',i,'row',row |
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| 276 | line.append([float(row[0]),float(row[1]),float(row[2]),float(row[3]), |
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| 277 | float(row[4]), float(row[5]), float(row[6])]) |
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| 278 | #print 'assert line',line[i],'answer',point1_answers_array[i] |
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| 279 | assert num.allclose(line[i], point1_answers_array[i]) |
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| 280 | |
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| 281 | point2_answers_array = [[5.0,5.0/3600.,1.0,1.5,-0.5,3.0,4.0], [7.0,7.0/3600.,10.0,10.5,-0.5,3.0,4.0]] |
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| 282 | point2_filename = 'gauge_point2.csv' |
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| 283 | point2_handle = file(point2_filename) |
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| 284 | point2_reader = reader(point2_handle) |
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| 285 | point2_reader.next() |
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| 286 | |
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| 287 | line=[] |
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| 288 | for i,row in enumerate(point2_reader): |
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| 289 | #print 'i',i,'row',row |
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| 290 | line.append([float(row[0]),float(row[1]),float(row[2]),float(row[3]), |
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| 291 | float(row[4]),float(row[5]), float(row[6])]) |
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| 292 | #print 'assert line',line[i],'point1',point1_answers_array[i] |
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| 293 | assert num.allclose(line[i], point2_answers_array[i]) |
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| 294 | |
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| 295 | # clean up |
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| 296 | point1_handle.close() |
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| 297 | point2_handle.close() |
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| 298 | os.remove(points_file) |
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| 299 | os.remove(point1_filename) |
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| 300 | os.remove(point2_filename) |
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| 301 | |
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| 302 | |
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| 303 | |
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| 304 | def test_sww2csv_gauge_point_off_mesh(self): |
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| 305 | from anuga.pmesh.mesh import Mesh |
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| 306 | from anuga.shallow_water import Domain, Transmissive_boundary |
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| 307 | from csv import reader,writer |
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| 308 | import time |
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| 309 | import string |
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| 310 | |
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| 311 | """Most of this test was copied from test_interpolate |
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| 312 | test_interpole_sww2csv |
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| 313 | |
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| 314 | This is testing the sww2csv_gauges function with one gauge off the mesh, by creating a sww file and |
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| 315 | then exporting the gauges and checking the results. |
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| 316 | |
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| 317 | This tests the correct values for when a gauge is off the mesh, which is important for parallel. |
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| 318 | """ |
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| 319 | |
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| 320 | domain = self.domain |
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| 321 | sww = self._create_sww() |
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| 322 | |
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| 323 | # test the function |
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| 324 | points = [[50.0,1.],[50.5,-20.25]] |
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| 325 | |
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| 326 | # points_file = tempfile.mktemp(".csv") |
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| 327 | points_file = 'test_point.csv' |
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| 328 | file_id = open(points_file,"w") |
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| 329 | file_id.write("name,easting,northing \n\ |
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| 330 | offmesh1, 50.0, 1.0\n\ |
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| 331 | offmesh2, 50.5, 20.25\n") |
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| 332 | file_id.close() |
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| 333 | |
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| 334 | points_files = ['offmesh1.csv', 'offmesh2.csv'] |
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| 335 | |
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| 336 | for point_filename in points_files: |
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| 337 | if os.path.exists(point_filename): os.remove(point_filename) |
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| 338 | |
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| 339 | sww2csv_gauges(self.sww.filename, |
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| 340 | points_file, |
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| 341 | quantities=['stage', 'elevation', 'bearing'], |
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| 342 | use_cache=False, |
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| 343 | verbose=False) |
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| 344 | |
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| 345 | for point_filename in points_files: |
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| 346 | assert not os.path.exists(point_filename) |
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| 347 | |
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| 348 | os.remove(points_file) |
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| 349 | |
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| 350 | |
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| 351 | def test_sww2csv_centroid(self): |
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| 352 | |
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| 353 | """Check sww2csv timeseries at centroid. |
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| 354 | |
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| 355 | Test the ability to get a timeseries at the centroid of a triangle, rather |
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| 356 | than the given gauge point. |
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| 357 | """ |
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| 358 | |
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| 359 | domain = self.domain |
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| 360 | sww = self._create_sww() |
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| 361 | |
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| 362 | # create a csv file containing our gauge points |
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| 363 | points_file = tempfile.mktemp(".csv") |
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| 364 | file_id = open(points_file,"w") |
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| 365 | # These values are where the centroids should be |
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| 366 | # file_id.write("name, easting, northing, elevation \n\ |
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| 367 | #point1, 2.0, 2.0, 3.0\n\ |
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| 368 | #point2, 4.0, 4.0, 9.0\n") |
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| 369 | |
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| 370 | # These values are slightly off the centroids - will it find the centroids? |
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| 371 | file_id.write("name, easting, northing, elevation \n\ |
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| 372 | point1, 2.0, 1.0, 3.0\n\ |
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| 373 | point2, 4.5, 4.0, 9.0\n") |
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| 374 | |
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| 375 | |
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| 376 | file_id.close() |
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| 377 | |
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| 378 | sww2csv_gauges(self.sww.filename, |
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| 379 | points_file, |
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| 380 | verbose=False, |
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| 381 | use_cache=False, |
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| 382 | output_centroids=True) |
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| 383 | |
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| 384 | point1_answers_array = [[0.0,0.0,1.0,3.0,-2.0,3.0,4.0], [2.0,2.0/3600.,10.0,12.0,-2.0,3.0,4.0]] |
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| 385 | point1_filename = 'gauge_point1.csv' |
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| 386 | point1_handle = file(point1_filename) |
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| 387 | point1_reader = reader(point1_handle) |
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| 388 | point1_reader.next() |
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| 389 | |
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| 390 | line=[] |
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| 391 | for i,row in enumerate(point1_reader): |
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| 392 | line.append([float(row[0]),float(row[1]),float(row[2]),float(row[3]), |
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| 393 | float(row[4]),float(row[5]),float(row[6])]) |
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| 394 | # print 'assert line',line[i],'point1',point1_answers_array[i] |
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| 395 | assert num.allclose(line[i], point1_answers_array[i]) |
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| 396 | |
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| 397 | point2_answers_array = [[0.0,0.0,1.0,5.0,-4.0,3.0,4.0], [2.0,2.0/3600.,10.0,14.0,-4.0,3.0,4.0]] |
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| 398 | point2_filename = 'gauge_point2.csv' |
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| 399 | point2_handle = file(point2_filename) |
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| 400 | point2_reader = reader(point2_handle) |
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| 401 | point2_reader.next() |
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| 402 | |
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| 403 | line=[] |
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| 404 | for i,row in enumerate(point2_reader): |
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| 405 | line.append([float(row[0]),float(row[1]),float(row[2]),float(row[3]), |
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| 406 | float(row[4]),float(row[5]),float(row[6])]) |
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| 407 | # print i, 'assert line',line[i],'point2',point2_answers_array[i] |
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| 408 | assert num.allclose(line[i], point2_answers_array[i]) |
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| 409 | |
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| 410 | # clean up |
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| 411 | point1_handle.close() |
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| 412 | point2_handle.close() |
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| 413 | os.remove(points_file) |
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| 414 | os.remove(point1_filename) |
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| 415 | os.remove(point2_filename) |
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| 416 | |
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| 417 | |
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| 418 | def test_sww2csv_output_centroid_attribute(self): |
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| 419 | |
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| 420 | """Check sww2csv timeseries at centroid, then output the centroid coordinates. |
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| 421 | |
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| 422 | Test the ability to get a timeseries at the centroid of a triangle, rather |
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| 423 | than the given gauge point, then output the results. |
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| 424 | """ |
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| 425 | |
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| 426 | domain = self.domain |
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| 427 | self._create_sww() |
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| 428 | |
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| 429 | # create a csv file containing our gauge points |
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| 430 | points_file = tempfile.mktemp(".csv") |
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| 431 | file_id = open(points_file,"w") |
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| 432 | |
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| 433 | # These values are slightly off the centroids - will it find the centroids? |
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| 434 | file_id.write("name, easting, northing, elevation \n\ |
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| 435 | point1, 2.5, 4.25, 3.0\n") |
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| 436 | |
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| 437 | file_id.close() |
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| 438 | |
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| 439 | sww2csv_gauges(self.sww.filename, |
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| 440 | points_file, |
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| 441 | quantities=['stage', 'xcentroid', 'ycentroid'], |
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| 442 | verbose=False, |
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| 443 | use_cache=False, |
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| 444 | output_centroids=True) |
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| 445 | |
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| 446 | point1_answers_array = [[0.0,0.0,1.0,4.0,4.0], [2.0,2.0/3600.,10.0,4.0,4.0]] |
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| 447 | point1_filename = 'gauge_point1.csv' |
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| 448 | point1_handle = file(point1_filename) |
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| 449 | point1_reader = reader(point1_handle) |
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| 450 | point1_reader.next() |
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| 451 | |
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| 452 | line=[] |
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| 453 | for i,row in enumerate(point1_reader): |
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| 454 | line.append([float(row[0]),float(row[1]),float(row[2]),float(row[3]),float(row[4])]) |
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| 455 | # print 'assert line',line[i],'point1',point1_answers_array[i] |
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| 456 | assert num.allclose(line[i], point1_answers_array[i]) |
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| 457 | |
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| 458 | # clean up |
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| 459 | point1_handle.close() |
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| 460 | os.remove(points_file) |
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| 461 | os.remove(point1_filename) |
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| 462 | |
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| 463 | |
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| 464 | |
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| 465 | #------------------------------------------------------------- |
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| 466 | |
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| 467 | if __name__ == "__main__": |
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| 468 | suite = unittest.makeSuite(Test_Gauge, 'test') |
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| 469 | # runner = unittest.TextTestRunner(verbosity=2) |
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| 470 | runner = unittest.TextTestRunner(verbosity=1) |
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| 471 | runner.run(suite) |
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