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 util 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 |
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75 | |
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76 | self.test_MOST_file = 'xxxsmall_ha.nc' |
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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 | fid = NetCDFFile(self.test_MOST_file, 'w') |
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90 | |
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91 | fid.createDimension(long_name,nx) |
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92 | fid.createVariable(long_name,'d',(long_name,)) |
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93 | fid.variables[long_name].point_spacing='uneven' |
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94 | fid.variables[long_name].units='degrees_east' |
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95 | fid.variables[long_name].assignValue(longitudes) |
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96 | |
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97 | fid.createDimension(lat_name,ny) |
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98 | fid.createVariable(lat_name,'d',(lat_name,)) |
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99 | fid.variables[lat_name].point_spacing='uneven' |
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100 | fid.variables[lat_name].units='degrees_north' |
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101 | fid.variables[lat_name].assignValue(latitudes) |
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102 | |
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103 | fid.createDimension('TIME',six) |
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104 | fid.createVariable('TIME','d',('TIME',)) |
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105 | fid.variables['TIME'].point_spacing='uneven' |
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106 | fid.variables['TIME'].units='seconds' |
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107 | fid.variables['TIME'].assignValue([0.0, 0.1, 0.6, 1.1, 1.6, 2.1]) |
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108 | |
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109 | fid.createVariable('HA','d',('TIME', lat_name, long_name)) |
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110 | #fid.createVariable('HA','d',(lat_name, long_name)) |
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111 | fid.variables['HA'].assignValue([[[0.3400644, 0, -46.63519, -6.50198], |
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112 | [-0.1214216, 0, 0, 0], |
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113 | [0, 0, 0, 0], |
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114 | [0, 0, 0, 0]], |
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115 | [[0.3400644, 2.291054e-005, -23.33335, -6.50198], |
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116 | [-0.1213987, 4.581959e-005, -1.594838e-007, 1.421085e-012], |
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117 | [2.291054e-005, 4.582107e-005, 4.581715e-005, 1.854517e-009], |
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118 | [0, 2.291054e-005, 2.291054e-005, 0]], |
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119 | [[0.3400644, 0.0001374632, -23.31503, -6.50198], |
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120 | [-0.1212842, 0.0002756907, 0.006325484, 1.380492e-006], |
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121 | [0.0001374632, 0.0002749264, 0.0002742863, 6.665601e-008], |
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122 | [0, 0.0001374632, 0.0001374632, 0]], |
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123 | [[0.3400644, 0.0002520159, -23.29672, -6.50198], |
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124 | [-0.1211696, 0.0005075303, 0.01264618, 6.208276e-006], |
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125 | [0.0002520159, 0.0005040318, 0.0005027961, 2.23865e-007], |
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126 | [0, 0.0002520159, 0.0002520159, 0]], |
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127 | [[0.3400644, 0.0003665686, -23.27842, -6.50198], |
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128 | [-0.1210551, 0.0007413362, 0.01896192, 1.447638e-005], |
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129 | [0.0003665686, 0.0007331371, 0.0007313463, 4.734126e-007], |
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130 | [0, 0.0003665686, 0.0003665686, 0]], |
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131 | [[0.3400644, 0.0004811212, -23.26012, -6.50198], |
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132 | [-0.1209405, 0.0009771062, 0.02527271, 2.617787e-005], |
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133 | [0.0004811212, 0.0009622425, 0.0009599366, 8.152277e-007], |
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134 | [0, 0.0004811212, 0.0004811212, 0]]]) |
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135 | |
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136 | |
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137 | fid.close() |
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138 | |
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139 | |
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140 | |
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141 | def tearDown(self): |
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142 | import os |
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143 | #os.remove(self.test_MOST_file) |
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144 | |
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145 | |
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146 | def test_sww_constant(self): |
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147 | """Test that constant sww information can be written correctly |
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148 | (non smooth) |
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149 | """ |
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150 | |
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151 | import time, os |
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152 | from Numeric import array, zeros, allclose, Float, concatenate |
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153 | from Scientific.IO.NetCDF import NetCDFFile |
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154 | |
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155 | self.domain.filename = 'datatest' + str(id(self)) |
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156 | self.domain.format = 'sww' |
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157 | self.domain.smooth = False |
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158 | |
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159 | sww = get_dataobject(self.domain) |
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160 | sww.store_connectivity() |
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161 | |
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162 | #Check contents |
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163 | #Get NetCDF |
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164 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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165 | |
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166 | # Get the variables |
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167 | x = fid.variables['x'] |
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168 | y = fid.variables['y'] |
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169 | z = fid.variables['elevation'] |
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170 | |
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171 | volumes = fid.variables['volumes'] |
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172 | |
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173 | |
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174 | assert allclose (x[:], self.X.flat) |
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175 | assert allclose (y[:], self.Y.flat) |
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176 | assert allclose (z[:], self.F.flat) |
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177 | |
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178 | V = volumes |
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179 | |
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180 | P = len(self.domain) |
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181 | for k in range(P): |
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182 | assert V[k, 0] == 3*k |
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183 | assert V[k, 1] == 3*k+1 |
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184 | assert V[k, 2] == 3*k+2 |
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185 | |
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186 | |
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187 | fid.close() |
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188 | |
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189 | #Cleanup |
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190 | os.remove(sww.filename) |
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191 | |
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192 | |
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193 | def test_sww_constant_smooth(self): |
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194 | """Test that constant sww information can be written correctly |
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195 | (non smooth) |
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196 | """ |
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197 | |
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198 | import time, os |
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199 | from Numeric import array, zeros, allclose, Float, concatenate |
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200 | from Scientific.IO.NetCDF import NetCDFFile |
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201 | |
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202 | self.domain.filename = 'datatest' + str(id(self)) |
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203 | self.domain.format = 'sww' |
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204 | self.domain.smooth = True |
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205 | |
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206 | sww = get_dataobject(self.domain) |
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207 | sww.store_connectivity() |
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208 | |
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209 | #Check contents |
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210 | #Get NetCDF |
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211 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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212 | |
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213 | # Get the variables |
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214 | x = fid.variables['x'] |
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215 | y = fid.variables['y'] |
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216 | z = fid.variables['elevation'] |
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217 | |
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218 | volumes = fid.variables['volumes'] |
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219 | |
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220 | X = x[:] |
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221 | Y = y[:] |
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222 | |
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223 | assert allclose([X[0], Y[0]], array([0.0, 0.0])) |
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224 | assert allclose([X[1], Y[1]], array([0.0, 0.5])) |
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225 | assert allclose([X[2], Y[2]], array([0.0, 1.0])) |
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226 | |
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227 | assert allclose([X[4], Y[4]], array([0.5, 0.5])) |
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228 | |
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229 | assert allclose([X[7], Y[7]], array([1.0, 0.5])) |
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230 | |
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231 | Z = z[:] |
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232 | assert Z[4] == -0.5 |
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233 | |
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234 | V = volumes |
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235 | assert V[2,0] == 4 |
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236 | assert V[2,1] == 5 |
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237 | assert V[2,2] == 1 |
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238 | |
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239 | assert V[4,0] == 6 |
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240 | assert V[4,1] == 7 |
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241 | assert V[4,2] == 3 |
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242 | |
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243 | |
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244 | fid.close() |
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245 | |
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246 | #Cleanup |
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247 | os.remove(sww.filename) |
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248 | |
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249 | |
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250 | |
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251 | def test_sww_variable(self): |
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252 | """Test that sww information can be written correctly |
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253 | """ |
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254 | |
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255 | import time, os |
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256 | from Numeric import array, zeros, allclose, Float, concatenate |
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257 | from Scientific.IO.NetCDF import NetCDFFile |
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258 | |
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259 | self.domain.filename = 'datatest' + str(id(self)) |
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260 | self.domain.format = 'sww' |
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261 | self.domain.smooth = True |
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262 | self.domain.reduction = mean |
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263 | |
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264 | sww = get_dataobject(self.domain) |
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265 | sww.store_connectivity() |
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266 | sww.store_timestep('stage') |
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267 | |
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268 | #Check contents |
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269 | #Get NetCDF |
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270 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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271 | |
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272 | |
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273 | # Get the variables |
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274 | x = fid.variables['x'] |
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275 | y = fid.variables['y'] |
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276 | z = fid.variables['elevation'] |
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277 | time = fid.variables['time'] |
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278 | stage = fid.variables['stage'] |
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279 | |
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280 | |
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281 | Q = self.domain.quantities['stage'] |
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282 | Q0 = Q.vertex_values[:,0] |
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283 | Q1 = Q.vertex_values[:,1] |
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284 | Q2 = Q.vertex_values[:,2] |
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285 | |
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286 | A = stage[0,:] |
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287 | #print A[0], (Q2[0,0] + Q1[1,0])/2 |
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288 | assert allclose(A[0], (Q2[0] + Q1[1])/2) |
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289 | assert allclose(A[1], (Q0[1] + Q1[3] + Q2[2])/3) |
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290 | assert allclose(A[2], Q0[3]) |
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291 | assert allclose(A[3], (Q0[0] + Q1[5] + Q2[4])/3) |
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292 | |
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293 | #Center point |
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294 | assert allclose(A[4], (Q1[0] + Q2[1] + Q0[2] +\ |
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295 | Q0[5] + Q2[6] + Q1[7])/6) |
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296 | |
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297 | |
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298 | |
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299 | fid.close() |
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300 | |
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301 | #Cleanup |
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302 | os.remove(sww.filename) |
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303 | |
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304 | |
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305 | def test_sww_variable2(self): |
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306 | """Test that sww information can be written correctly |
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307 | multiple timesteps. Use average as reduction operator |
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308 | """ |
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309 | |
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310 | import time, os |
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311 | from Numeric import array, zeros, allclose, Float, concatenate |
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312 | from Scientific.IO.NetCDF import NetCDFFile |
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313 | |
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314 | self.domain.filename = 'datatest' + str(id(self)) |
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315 | self.domain.format = 'sww' |
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316 | self.domain.smooth = True |
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317 | |
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318 | self.domain.reduction = mean |
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319 | |
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320 | sww = get_dataobject(self.domain) |
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321 | sww.store_connectivity() |
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322 | sww.store_timestep('stage') |
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323 | self.domain.evolve_to_end(finaltime = 0.01) |
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324 | sww.store_timestep('stage') |
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325 | |
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326 | |
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327 | #Check contents |
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328 | #Get NetCDF |
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329 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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330 | |
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331 | # Get the variables |
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332 | x = fid.variables['x'] |
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333 | y = fid.variables['y'] |
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334 | z = fid.variables['elevation'] |
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335 | time = fid.variables['time'] |
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336 | stage = fid.variables['stage'] |
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337 | |
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338 | #Check values |
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339 | Q = self.domain.quantities['stage'] |
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340 | Q0 = Q.vertex_values[:,0] |
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341 | Q1 = Q.vertex_values[:,1] |
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342 | Q2 = Q.vertex_values[:,2] |
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343 | |
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344 | A = stage[1,:] |
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345 | assert allclose(A[0], (Q2[0] + Q1[1])/2) |
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346 | assert allclose(A[1], (Q0[1] + Q1[3] + Q2[2])/3) |
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347 | assert allclose(A[2], Q0[3]) |
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348 | assert allclose(A[3], (Q0[0] + Q1[5] + Q2[4])/3) |
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349 | |
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350 | #Center point |
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351 | assert allclose(A[4], (Q1[0] + Q2[1] + Q0[2] +\ |
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352 | Q0[5] + Q2[6] + Q1[7])/6) |
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353 | |
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354 | |
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355 | fid.close() |
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356 | |
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357 | #Cleanup |
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358 | os.remove(sww.filename) |
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359 | |
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360 | def test_sww_variable3(self): |
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361 | """Test that sww information can be written correctly |
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362 | multiple timesteps using a different reduction operator (min) |
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363 | """ |
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364 | |
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365 | import time, os |
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366 | from Numeric import array, zeros, allclose, Float, concatenate |
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367 | from Scientific.IO.NetCDF import NetCDFFile |
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368 | |
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369 | self.domain.filename = 'datatest' + str(id(self)) |
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370 | self.domain.format = 'sww' |
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371 | self.domain.smooth = True |
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372 | self.domain.reduction = min |
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373 | |
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374 | sww = get_dataobject(self.domain) |
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375 | sww.store_connectivity() |
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376 | sww.store_timestep('stage') |
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377 | |
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378 | self.domain.evolve_to_end(finaltime = 0.01) |
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379 | sww.store_timestep('stage') |
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380 | |
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381 | |
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382 | #Check contents |
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383 | #Get NetCDF |
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384 | fid = NetCDFFile(sww.filename, 'r') |
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385 | |
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386 | |
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387 | # Get the variables |
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388 | x = fid.variables['x'] |
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389 | y = fid.variables['y'] |
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390 | z = fid.variables['elevation'] |
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391 | time = fid.variables['time'] |
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392 | stage = fid.variables['stage'] |
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393 | |
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394 | #Check values |
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395 | Q = self.domain.quantities['stage'] |
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396 | Q0 = Q.vertex_values[:,0] |
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397 | Q1 = Q.vertex_values[:,1] |
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398 | Q2 = Q.vertex_values[:,2] |
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399 | |
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400 | A = stage[1,:] |
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401 | assert allclose(A[0], min(Q2[0], Q1[1])) |
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402 | assert allclose(A[1], min(Q0[1], Q1[3], Q2[2])) |
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403 | assert allclose(A[2], Q0[3]) |
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404 | assert allclose(A[3], min(Q0[0], Q1[5], Q2[4])) |
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405 | |
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406 | #Center point |
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407 | assert allclose(A[4], min(Q1[0], Q2[1], Q0[2],\ |
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408 | Q0[5], Q2[6], Q1[7])) |
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409 | |
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410 | |
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411 | fid.close() |
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412 | |
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413 | #Cleanup |
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414 | os.remove(sww.filename) |
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415 | |
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416 | |
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417 | def test_sync(self): |
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418 | """Test info stored at each timestep is as expected (incl initial condition) |
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419 | """ |
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420 | |
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421 | import time, os, config |
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422 | from Numeric import array, zeros, allclose, Float, concatenate |
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423 | from Scientific.IO.NetCDF import NetCDFFile |
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424 | |
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425 | self.domain.filename = 'synctest' |
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426 | self.domain.format = 'sww' |
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427 | self.domain.smooth = False |
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428 | self.domain.store = True |
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429 | self.domain.beta_h = 0 |
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430 | |
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431 | #Evolution |
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432 | for t in self.domain.evolve(yieldstep = 1.0, finaltime = 4.0): |
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433 | stage = self.domain.quantities['stage'].vertex_values |
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434 | |
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435 | #Get NetCDF |
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436 | fid = NetCDFFile(self.domain.writer.filename, 'r') |
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437 | stage_file = fid.variables['stage'] |
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438 | |
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439 | if t == 0.0: |
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440 | assert allclose(stage, self.initial_stage) |
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441 | assert allclose(stage_file[:], stage.flat) |
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442 | else: |
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443 | assert not allclose(stage, self.initial_stage) |
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444 | assert not allclose(stage_file[:], stage.flat) |
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445 | |
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446 | fid.close() |
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447 | |
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448 | os.remove(self.domain.writer.filename) |
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449 | |
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450 | |
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451 | |
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452 | def test_sww_DSG(self): |
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453 | """Not a test, rather a look at the sww format |
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454 | """ |
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455 | |
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456 | import time, os |
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457 | from Numeric import array, zeros, allclose, Float, concatenate |
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458 | from Scientific.IO.NetCDF import NetCDFFile |
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459 | |
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460 | self.domain.filename = 'datatest' + str(id(self)) |
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461 | self.domain.format = 'sww' |
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462 | self.domain.smooth = True |
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463 | self.domain.reduction = mean |
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464 | |
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465 | sww = get_dataobject(self.domain) |
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466 | sww.store_connectivity() |
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467 | sww.store_timestep('stage') |
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468 | |
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469 | #Check contents |
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470 | #Get NetCDF |
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471 | fid = NetCDFFile(sww.filename, 'r') |
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472 | |
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473 | # Get the variables |
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474 | x = fid.variables['x'] |
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475 | y = fid.variables['y'] |
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476 | z = fid.variables['elevation'] |
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477 | |
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478 | volumes = fid.variables['volumes'] |
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479 | time = fid.variables['time'] |
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480 | |
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481 | # 2D |
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482 | stage = fid.variables['stage'] |
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483 | |
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484 | X = x[:] |
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485 | Y = y[:] |
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486 | Z = z[:] |
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487 | V = volumes[:] |
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488 | T = time[:] |
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489 | S = stage[:,:] |
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490 | |
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491 | # print "****************************" |
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492 | # print "X ",X |
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493 | # print "****************************" |
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494 | # print "Y ",Y |
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495 | # print "****************************" |
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496 | # print "Z ",Z |
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497 | # print "****************************" |
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498 | # print "V ",V |
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499 | # print "****************************" |
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500 | # print "Time ",T |
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501 | # print "****************************" |
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502 | # print "Stage ",S |
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503 | # print "****************************" |
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504 | |
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505 | |
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506 | fid.close() |
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507 | |
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508 | #Cleanup |
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509 | os.remove(sww.filename) |
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510 | |
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511 | |
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512 | #def test_write_pts(self): |
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513 | # #Obsolete |
---|
514 | # |
---|
515 | # #Get (enough) datapoints |
---|
516 | # |
---|
517 | # from Numeric import array |
---|
518 | # points = array([[ 0.66666667, 0.66666667], |
---|
519 | # [ 1.33333333, 1.33333333], |
---|
520 | # [ 2.66666667, 0.66666667], |
---|
521 | # [ 0.66666667, 2.66666667], |
---|
522 | # [ 0.0, 1.0], |
---|
523 | # [ 0.0, 3.0], |
---|
524 | # [ 1.0, 0.0], |
---|
525 | # [ 1.0, 1.0], |
---|
526 | # [ 1.0, 2.0], |
---|
527 | # [ 1.0, 3.0], |
---|
528 | # [ 2.0, 1.0], |
---|
529 | # [ 3.0, 0.0], |
---|
530 | # [ 3.0, 1.0]]) |
---|
531 | # |
---|
532 | # z = points[:,0] + 2*points[:,1] |
---|
533 | # |
---|
534 | # ptsfile = 'testptsfile.pts' |
---|
535 | # write_ptsfile(ptsfile, points, z, |
---|
536 | # attribute_name = 'linear_combination') |
---|
537 | # |
---|
538 | # #Check contents |
---|
539 | # #Get NetCDF |
---|
540 | # from Scientific.IO.NetCDF import NetCDFFile |
---|
541 | # fid = NetCDFFile(ptsfile, 'r') |
---|
542 | # |
---|
543 | # # Get the variables |
---|
544 | # #print fid.variables.keys() |
---|
545 | # points1 = fid.variables['points'] |
---|
546 | # z1 = fid.variables['linear_combination'] |
---|
547 | # |
---|
548 | # #Check values# |
---|
549 | # |
---|
550 | # #print points[:] |
---|
551 | # #print ref_points |
---|
552 | # assert allclose(points, points1) |
---|
553 | # |
---|
554 | # #print attributes[:] |
---|
555 | # #print ref_elevation |
---|
556 | # assert allclose(z, z1) |
---|
557 | # |
---|
558 | # #Cleanup |
---|
559 | # fid.close() |
---|
560 | # |
---|
561 | # import os |
---|
562 | # os.remove(ptsfile) |
---|
563 | |
---|
564 | |
---|
565 | |
---|
566 | |
---|
567 | def test_dem2pts(self): |
---|
568 | """Test conversion from dem in ascii format to native NetCDF xya format |
---|
569 | """ |
---|
570 | |
---|
571 | import time, os |
---|
572 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
573 | from Scientific.IO.NetCDF import NetCDFFile |
---|
574 | |
---|
575 | #Write test asc file |
---|
576 | root = 'demtest' |
---|
577 | |
---|
578 | filename = root+'.asc' |
---|
579 | fid = open(filename, 'w') |
---|
580 | fid.write("""ncols 5 |
---|
581 | nrows 6 |
---|
582 | xllcorner 2000.5 |
---|
583 | yllcorner 3000.5 |
---|
584 | cellsize 25 |
---|
585 | NODATA_value -9999 |
---|
586 | """) |
---|
587 | #Create linear function |
---|
588 | |
---|
589 | ref_points = [] |
---|
590 | ref_elevation = [] |
---|
591 | for i in range(6): |
---|
592 | y = (6-i)*25.0 |
---|
593 | for j in range(5): |
---|
594 | x = j*25.0 |
---|
595 | z = x+2*y |
---|
596 | |
---|
597 | ref_points.append( [x,y] ) |
---|
598 | ref_elevation.append(z) |
---|
599 | fid.write('%f ' %z) |
---|
600 | fid.write('\n') |
---|
601 | |
---|
602 | fid.close() |
---|
603 | |
---|
604 | #Write prj file with metadata |
---|
605 | metafilename = root+'.prj' |
---|
606 | fid = open(metafilename, 'w') |
---|
607 | |
---|
608 | |
---|
609 | fid.write("""Projection UTM |
---|
610 | Zone 56 |
---|
611 | Datum WGS84 |
---|
612 | Zunits NO |
---|
613 | Units METERS |
---|
614 | Spheroid WGS84 |
---|
615 | Xshift 0.0000000000 |
---|
616 | Yshift 10000000.0000000000 |
---|
617 | Parameters |
---|
618 | """) |
---|
619 | fid.close() |
---|
620 | |
---|
621 | #Convert to NetCDF pts |
---|
622 | convert_dem_from_ascii2netcdf(root) |
---|
623 | dem2pts(root) |
---|
624 | |
---|
625 | #Check contents |
---|
626 | #Get NetCDF |
---|
627 | fid = NetCDFFile(root+'.pts', 'r') |
---|
628 | |
---|
629 | # Get the variables |
---|
630 | #print fid.variables.keys() |
---|
631 | points = fid.variables['points'] |
---|
632 | elevation = fid.variables['elevation'] |
---|
633 | |
---|
634 | #Check values |
---|
635 | |
---|
636 | #print points[:] |
---|
637 | #print ref_points |
---|
638 | assert allclose(points, ref_points) |
---|
639 | |
---|
640 | #print attributes[:] |
---|
641 | #print ref_elevation |
---|
642 | assert allclose(elevation, ref_elevation) |
---|
643 | |
---|
644 | #Cleanup |
---|
645 | fid.close() |
---|
646 | |
---|
647 | |
---|
648 | os.remove(root + '.pts') |
---|
649 | os.remove(root + '.dem') |
---|
650 | os.remove(root + '.asc') |
---|
651 | os.remove(root + '.prj') |
---|
652 | |
---|
653 | |
---|
654 | |
---|
655 | def test_dem2pts_bounding_box(self): |
---|
656 | """Test conversion from dem in ascii format to native NetCDF xya format |
---|
657 | """ |
---|
658 | |
---|
659 | import time, os |
---|
660 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
661 | from Scientific.IO.NetCDF import NetCDFFile |
---|
662 | |
---|
663 | #Write test asc file |
---|
664 | root = 'demtest' |
---|
665 | |
---|
666 | filename = root+'.asc' |
---|
667 | fid = open(filename, 'w') |
---|
668 | fid.write("""ncols 5 |
---|
669 | nrows 6 |
---|
670 | xllcorner 2000.5 |
---|
671 | yllcorner 3000.5 |
---|
672 | cellsize 25 |
---|
673 | NODATA_value -9999 |
---|
674 | """) |
---|
675 | #Create linear function |
---|
676 | |
---|
677 | ref_points = [] |
---|
678 | ref_elevation = [] |
---|
679 | for i in range(6): |
---|
680 | y = (6-i)*25.0 |
---|
681 | for j in range(5): |
---|
682 | x = j*25.0 |
---|
683 | z = x+2*y |
---|
684 | |
---|
685 | ref_points.append( [x,y] ) |
---|
686 | ref_elevation.append(z) |
---|
687 | fid.write('%f ' %z) |
---|
688 | fid.write('\n') |
---|
689 | |
---|
690 | fid.close() |
---|
691 | |
---|
692 | #Write prj file with metadata |
---|
693 | metafilename = root+'.prj' |
---|
694 | fid = open(metafilename, 'w') |
---|
695 | |
---|
696 | |
---|
697 | fid.write("""Projection UTM |
---|
698 | Zone 56 |
---|
699 | Datum WGS84 |
---|
700 | Zunits NO |
---|
701 | Units METERS |
---|
702 | Spheroid WGS84 |
---|
703 | Xshift 0.0000000000 |
---|
704 | Yshift 10000000.0000000000 |
---|
705 | Parameters |
---|
706 | """) |
---|
707 | fid.close() |
---|
708 | |
---|
709 | #Convert to NetCDF pts |
---|
710 | convert_dem_from_ascii2netcdf(root) |
---|
711 | dem2pts(root, easting_min=2010.0, easting_max=2110.0, |
---|
712 | northing_min=3035.0, northing_max=3125.5) |
---|
713 | |
---|
714 | #Check contents |
---|
715 | #Get NetCDF |
---|
716 | fid = NetCDFFile(root+'.pts', 'r') |
---|
717 | |
---|
718 | # Get the variables |
---|
719 | #print fid.variables.keys() |
---|
720 | points = fid.variables['points'] |
---|
721 | elevation = fid.variables['elevation'] |
---|
722 | |
---|
723 | #Check values |
---|
724 | assert fid.xllcorner[0] == 2010.0 |
---|
725 | assert fid.yllcorner[0] == 3035.0 |
---|
726 | |
---|
727 | #create new reference points |
---|
728 | ref_points = [] |
---|
729 | ref_elevation = [] |
---|
730 | for i in range(4): |
---|
731 | y = (4-i)*25.0 + 25.0 |
---|
732 | y_new = y + 3000.5 - 3035.0 |
---|
733 | for j in range(4): |
---|
734 | x = j*25.0 + 25.0 |
---|
735 | x_new = x + 2000.5 - 2010.0 |
---|
736 | z = x+2*y |
---|
737 | |
---|
738 | ref_points.append( [x_new,y_new] ) |
---|
739 | ref_elevation.append(z) |
---|
740 | |
---|
741 | #print points[:] |
---|
742 | #print ref_points |
---|
743 | assert allclose(points, ref_points) |
---|
744 | |
---|
745 | #print attributes[:] |
---|
746 | #print ref_elevation |
---|
747 | assert allclose(elevation, ref_elevation) |
---|
748 | |
---|
749 | #Cleanup |
---|
750 | fid.close() |
---|
751 | |
---|
752 | |
---|
753 | os.remove(root + '.pts') |
---|
754 | os.remove(root + '.dem') |
---|
755 | os.remove(root + '.asc') |
---|
756 | os.remove(root + '.prj') |
---|
757 | |
---|
758 | |
---|
759 | |
---|
760 | def test_hecras_cross_sections2pts(self): |
---|
761 | """Test conversion from HECRAS cross sections in ascii format |
---|
762 | to native NetCDF pts format |
---|
763 | """ |
---|
764 | |
---|
765 | import time, os |
---|
766 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
767 | from Scientific.IO.NetCDF import NetCDFFile |
---|
768 | |
---|
769 | #Write test asc file |
---|
770 | root = 'hecrastest' |
---|
771 | |
---|
772 | filename = root+'.sdf' |
---|
773 | fid = open(filename, 'w') |
---|
774 | fid.write(""" |
---|
775 | # RAS export file created on Mon 15Aug2005 11:42 |
---|
776 | # by HEC-RAS Version 3.1.1 |
---|
777 | |
---|
778 | BEGIN HEADER: |
---|
779 | UNITS: METRIC |
---|
780 | DTM TYPE: TIN |
---|
781 | DTM: v:\1\cit\perth_topo\river_tin |
---|
782 | STREAM LAYER: c:\\x_local\hecras\21_02_03\up_canning_cent3d.shp |
---|
783 | CROSS-SECTION LAYER: c:\\x_local\hecras\21_02_03\up_can_xs3d.shp |
---|
784 | MAP PROJECTION: UTM |
---|
785 | PROJECTION ZONE: 50 |
---|
786 | DATUM: AGD66 |
---|
787 | VERTICAL DATUM: |
---|
788 | NUMBER OF REACHES: 19 |
---|
789 | NUMBER OF CROSS-SECTIONS: 2 |
---|
790 | END HEADER: |
---|
791 | |
---|
792 | |
---|
793 | BEGIN CROSS-SECTIONS: |
---|
794 | |
---|
795 | CROSS-SECTION: |
---|
796 | STREAM ID:Southern-Wungong |
---|
797 | REACH ID:Southern-Wungong |
---|
798 | STATION:21410 |
---|
799 | CUT LINE: |
---|
800 | 407546.08 , 6437277.542 |
---|
801 | 407329.32 , 6437489.482 |
---|
802 | 407283.11 , 6437541.232 |
---|
803 | SURFACE LINE: |
---|
804 | 407546.08, 6437277.54, 52.14 |
---|
805 | 407538.88, 6437284.58, 51.07 |
---|
806 | 407531.68, 6437291.62, 50.56 |
---|
807 | 407524.48, 6437298.66, 49.58 |
---|
808 | 407517.28, 6437305.70, 49.09 |
---|
809 | 407510.08, 6437312.74, 48.76 |
---|
810 | END: |
---|
811 | |
---|
812 | CROSS-SECTION: |
---|
813 | STREAM ID:Swan River |
---|
814 | REACH ID:Swan Mouth |
---|
815 | STATION:840.* |
---|
816 | CUT LINE: |
---|
817 | 381178.0855 , 6452559.0685 |
---|
818 | 380485.4755 , 6453169.272 |
---|
819 | SURFACE LINE: |
---|
820 | 381178.09, 6452559.07, 4.17 |
---|
821 | 381169.49, 6452566.64, 4.26 |
---|
822 | 381157.78, 6452576.96, 4.34 |
---|
823 | 381155.97, 6452578.56, 4.35 |
---|
824 | 381143.72, 6452589.35, 4.43 |
---|
825 | 381136.69, 6452595.54, 4.58 |
---|
826 | 381114.74, 6452614.88, 4.41 |
---|
827 | 381075.53, 6452649.43, 4.17 |
---|
828 | 381071.47, 6452653.00, 3.99 |
---|
829 | 381063.46, 6452660.06, 3.67 |
---|
830 | 381054.41, 6452668.03, 3.67 |
---|
831 | END: |
---|
832 | END CROSS-SECTIONS: |
---|
833 | """) |
---|
834 | |
---|
835 | fid.close() |
---|
836 | |
---|
837 | |
---|
838 | #Convert to NetCDF pts |
---|
839 | hecras_cross_sections2pts(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 | ref_points = [[407546.08, 6437277.54], |
---|
852 | [407538.88, 6437284.58], |
---|
853 | [407531.68, 6437291.62], |
---|
854 | [407524.48, 6437298.66], |
---|
855 | [407517.28, 6437305.70], |
---|
856 | [407510.08, 6437312.74]] |
---|
857 | |
---|
858 | ref_points += [[381178.09, 6452559.07], |
---|
859 | [381169.49, 6452566.64], |
---|
860 | [381157.78, 6452576.96], |
---|
861 | [381155.97, 6452578.56], |
---|
862 | [381143.72, 6452589.35], |
---|
863 | [381136.69, 6452595.54], |
---|
864 | [381114.74, 6452614.88], |
---|
865 | [381075.53, 6452649.43], |
---|
866 | [381071.47, 6452653.00], |
---|
867 | [381063.46, 6452660.06], |
---|
868 | [381054.41, 6452668.03]] |
---|
869 | |
---|
870 | |
---|
871 | ref_elevation = [52.14, 51.07, 50.56, 49.58, 49.09, 48.76] |
---|
872 | ref_elevation += [4.17, 4.26, 4.34, 4.35, 4.43, 4.58, 4.41, 4.17, 3.99, 3.67, 3.67] |
---|
873 | |
---|
874 | #print points[:] |
---|
875 | #print ref_points |
---|
876 | assert allclose(points, ref_points) |
---|
877 | |
---|
878 | #print attributes[:] |
---|
879 | #print ref_elevation |
---|
880 | assert allclose(elevation, ref_elevation) |
---|
881 | |
---|
882 | #Cleanup |
---|
883 | fid.close() |
---|
884 | |
---|
885 | |
---|
886 | os.remove(root + '.sdf') |
---|
887 | os.remove(root + '.pts') |
---|
888 | |
---|
889 | |
---|
890 | |
---|
891 | def test_sww2dem_asc_elevation(self): |
---|
892 | """Test that sww information can be converted correctly to asc/prj |
---|
893 | format readable by e.g. ArcView |
---|
894 | """ |
---|
895 | |
---|
896 | import time, os |
---|
897 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
898 | from Scientific.IO.NetCDF import NetCDFFile |
---|
899 | |
---|
900 | #Setup |
---|
901 | self.domain.filename = 'datatest' |
---|
902 | |
---|
903 | prjfile = self.domain.filename + '_elevation.prj' |
---|
904 | ascfile = self.domain.filename + '_elevation.asc' |
---|
905 | swwfile = self.domain.filename + '.sww' |
---|
906 | |
---|
907 | self.domain.set_datadir('.') |
---|
908 | self.domain.format = 'sww' |
---|
909 | self.domain.smooth = True |
---|
910 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
911 | |
---|
912 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
913 | |
---|
914 | sww = get_dataobject(self.domain) |
---|
915 | sww.store_connectivity() |
---|
916 | sww.store_timestep('stage') |
---|
917 | |
---|
918 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
919 | sww.store_timestep('stage') |
---|
920 | |
---|
921 | cellsize = 0.25 |
---|
922 | #Check contents |
---|
923 | #Get NetCDF |
---|
924 | |
---|
925 | fid = NetCDFFile(sww.filename, 'r') |
---|
926 | |
---|
927 | # Get the variables |
---|
928 | x = fid.variables['x'][:] |
---|
929 | y = fid.variables['y'][:] |
---|
930 | z = fid.variables['elevation'][:] |
---|
931 | time = fid.variables['time'][:] |
---|
932 | stage = fid.variables['stage'][:] |
---|
933 | |
---|
934 | |
---|
935 | #Export to ascii/prj files |
---|
936 | sww2dem(self.domain.filename, |
---|
937 | quantity = 'elevation', |
---|
938 | cellsize = cellsize, |
---|
939 | verbose = False, |
---|
940 | format = 'asc') |
---|
941 | |
---|
942 | #Check prj (meta data) |
---|
943 | prjid = open(prjfile) |
---|
944 | lines = prjid.readlines() |
---|
945 | prjid.close() |
---|
946 | |
---|
947 | L = lines[0].strip().split() |
---|
948 | assert L[0].strip().lower() == 'projection' |
---|
949 | assert L[1].strip().lower() == 'utm' |
---|
950 | |
---|
951 | L = lines[1].strip().split() |
---|
952 | assert L[0].strip().lower() == 'zone' |
---|
953 | assert L[1].strip().lower() == '56' |
---|
954 | |
---|
955 | L = lines[2].strip().split() |
---|
956 | assert L[0].strip().lower() == 'datum' |
---|
957 | assert L[1].strip().lower() == 'wgs84' |
---|
958 | |
---|
959 | L = lines[3].strip().split() |
---|
960 | assert L[0].strip().lower() == 'zunits' |
---|
961 | assert L[1].strip().lower() == 'no' |
---|
962 | |
---|
963 | L = lines[4].strip().split() |
---|
964 | assert L[0].strip().lower() == 'units' |
---|
965 | assert L[1].strip().lower() == 'meters' |
---|
966 | |
---|
967 | L = lines[5].strip().split() |
---|
968 | assert L[0].strip().lower() == 'spheroid' |
---|
969 | assert L[1].strip().lower() == 'wgs84' |
---|
970 | |
---|
971 | L = lines[6].strip().split() |
---|
972 | assert L[0].strip().lower() == 'xshift' |
---|
973 | assert L[1].strip().lower() == '500000' |
---|
974 | |
---|
975 | L = lines[7].strip().split() |
---|
976 | assert L[0].strip().lower() == 'yshift' |
---|
977 | assert L[1].strip().lower() == '10000000' |
---|
978 | |
---|
979 | L = lines[8].strip().split() |
---|
980 | assert L[0].strip().lower() == 'parameters' |
---|
981 | |
---|
982 | |
---|
983 | #Check asc file |
---|
984 | ascid = open(ascfile) |
---|
985 | lines = ascid.readlines() |
---|
986 | ascid.close() |
---|
987 | |
---|
988 | L = lines[0].strip().split() |
---|
989 | assert L[0].strip().lower() == 'ncols' |
---|
990 | assert L[1].strip().lower() == '5' |
---|
991 | |
---|
992 | L = lines[1].strip().split() |
---|
993 | assert L[0].strip().lower() == 'nrows' |
---|
994 | assert L[1].strip().lower() == '5' |
---|
995 | |
---|
996 | L = lines[2].strip().split() |
---|
997 | assert L[0].strip().lower() == 'xllcorner' |
---|
998 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
999 | |
---|
1000 | L = lines[3].strip().split() |
---|
1001 | assert L[0].strip().lower() == 'yllcorner' |
---|
1002 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
1003 | |
---|
1004 | L = lines[4].strip().split() |
---|
1005 | assert L[0].strip().lower() == 'cellsize' |
---|
1006 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
1007 | |
---|
1008 | L = lines[5].strip().split() |
---|
1009 | assert L[0].strip() == 'NODATA_value' |
---|
1010 | assert L[1].strip().lower() == '-9999' |
---|
1011 | |
---|
1012 | #Check grid values |
---|
1013 | for j in range(5): |
---|
1014 | L = lines[6+j].strip().split() |
---|
1015 | y = (4-j) * cellsize |
---|
1016 | for i in range(5): |
---|
1017 | assert allclose(float(L[i]), -i*cellsize - y) |
---|
1018 | |
---|
1019 | |
---|
1020 | fid.close() |
---|
1021 | |
---|
1022 | #Cleanup |
---|
1023 | os.remove(prjfile) |
---|
1024 | os.remove(ascfile) |
---|
1025 | os.remove(swwfile) |
---|
1026 | |
---|
1027 | |
---|
1028 | |
---|
1029 | def test_sww2dem_larger(self): |
---|
1030 | """Test that sww information can be converted correctly to asc/prj |
---|
1031 | format readable by e.g. ArcView. Here: |
---|
1032 | |
---|
1033 | ncols 11 |
---|
1034 | nrows 11 |
---|
1035 | xllcorner 308500 |
---|
1036 | yllcorner 6189000 |
---|
1037 | cellsize 10.000000 |
---|
1038 | NODATA_value -9999 |
---|
1039 | -100 -110 -120 -130 -140 -150 -160 -170 -180 -190 -200 |
---|
1040 | -90 -100 -110 -120 -130 -140 -150 -160 -170 -180 -190 |
---|
1041 | -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 -180 |
---|
1042 | -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 |
---|
1043 | -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 |
---|
1044 | -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 |
---|
1045 | -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 |
---|
1046 | -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 |
---|
1047 | -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 |
---|
1048 | -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 |
---|
1049 | 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 |
---|
1050 | |
---|
1051 | """ |
---|
1052 | |
---|
1053 | import time, os |
---|
1054 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
1055 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1056 | |
---|
1057 | #Setup |
---|
1058 | |
---|
1059 | from mesh_factory import rectangular |
---|
1060 | |
---|
1061 | #Create basic mesh (100m x 100m) |
---|
1062 | points, vertices, boundary = rectangular(2, 2, 100, 100) |
---|
1063 | |
---|
1064 | #Create shallow water domain |
---|
1065 | domain = Domain(points, vertices, boundary) |
---|
1066 | domain.default_order = 2 |
---|
1067 | |
---|
1068 | domain.filename = 'datatest' |
---|
1069 | |
---|
1070 | prjfile = domain.filename + '_elevation.prj' |
---|
1071 | ascfile = domain.filename + '_elevation.asc' |
---|
1072 | swwfile = domain.filename + '.sww' |
---|
1073 | |
---|
1074 | domain.set_datadir('.') |
---|
1075 | domain.format = 'sww' |
---|
1076 | domain.smooth = True |
---|
1077 | domain.geo_reference = Geo_reference(56, 308500, 6189000) |
---|
1078 | |
---|
1079 | # |
---|
1080 | domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1081 | domain.set_quantity('stage', 0) |
---|
1082 | |
---|
1083 | B = Transmissive_boundary(domain) |
---|
1084 | domain.set_boundary( {'left': B, 'right': B, 'top': B, 'bottom': B}) |
---|
1085 | |
---|
1086 | |
---|
1087 | # |
---|
1088 | sww = get_dataobject(domain) |
---|
1089 | sww.store_connectivity() |
---|
1090 | sww.store_timestep('stage') |
---|
1091 | |
---|
1092 | domain.evolve_to_end(finaltime = 0.01) |
---|
1093 | sww.store_timestep('stage') |
---|
1094 | |
---|
1095 | cellsize = 10 #10m grid |
---|
1096 | |
---|
1097 | |
---|
1098 | #Check contents |
---|
1099 | #Get NetCDF |
---|
1100 | |
---|
1101 | fid = NetCDFFile(sww.filename, 'r') |
---|
1102 | |
---|
1103 | # Get the variables |
---|
1104 | x = fid.variables['x'][:] |
---|
1105 | y = fid.variables['y'][:] |
---|
1106 | z = fid.variables['elevation'][:] |
---|
1107 | time = fid.variables['time'][:] |
---|
1108 | stage = fid.variables['stage'][:] |
---|
1109 | |
---|
1110 | |
---|
1111 | #Export to ascii/prj files |
---|
1112 | sww2dem(domain.filename, |
---|
1113 | quantity = 'elevation', |
---|
1114 | cellsize = cellsize, |
---|
1115 | verbose = False, |
---|
1116 | format = 'asc') |
---|
1117 | |
---|
1118 | |
---|
1119 | #Check prj (meta data) |
---|
1120 | prjid = open(prjfile) |
---|
1121 | lines = prjid.readlines() |
---|
1122 | prjid.close() |
---|
1123 | |
---|
1124 | L = lines[0].strip().split() |
---|
1125 | assert L[0].strip().lower() == 'projection' |
---|
1126 | assert L[1].strip().lower() == 'utm' |
---|
1127 | |
---|
1128 | L = lines[1].strip().split() |
---|
1129 | assert L[0].strip().lower() == 'zone' |
---|
1130 | assert L[1].strip().lower() == '56' |
---|
1131 | |
---|
1132 | L = lines[2].strip().split() |
---|
1133 | assert L[0].strip().lower() == 'datum' |
---|
1134 | assert L[1].strip().lower() == 'wgs84' |
---|
1135 | |
---|
1136 | L = lines[3].strip().split() |
---|
1137 | assert L[0].strip().lower() == 'zunits' |
---|
1138 | assert L[1].strip().lower() == 'no' |
---|
1139 | |
---|
1140 | L = lines[4].strip().split() |
---|
1141 | assert L[0].strip().lower() == 'units' |
---|
1142 | assert L[1].strip().lower() == 'meters' |
---|
1143 | |
---|
1144 | L = lines[5].strip().split() |
---|
1145 | assert L[0].strip().lower() == 'spheroid' |
---|
1146 | assert L[1].strip().lower() == 'wgs84' |
---|
1147 | |
---|
1148 | L = lines[6].strip().split() |
---|
1149 | assert L[0].strip().lower() == 'xshift' |
---|
1150 | assert L[1].strip().lower() == '500000' |
---|
1151 | |
---|
1152 | L = lines[7].strip().split() |
---|
1153 | assert L[0].strip().lower() == 'yshift' |
---|
1154 | assert L[1].strip().lower() == '10000000' |
---|
1155 | |
---|
1156 | L = lines[8].strip().split() |
---|
1157 | assert L[0].strip().lower() == 'parameters' |
---|
1158 | |
---|
1159 | |
---|
1160 | #Check asc file |
---|
1161 | ascid = open(ascfile) |
---|
1162 | lines = ascid.readlines() |
---|
1163 | ascid.close() |
---|
1164 | |
---|
1165 | L = lines[0].strip().split() |
---|
1166 | assert L[0].strip().lower() == 'ncols' |
---|
1167 | assert L[1].strip().lower() == '11' |
---|
1168 | |
---|
1169 | L = lines[1].strip().split() |
---|
1170 | assert L[0].strip().lower() == 'nrows' |
---|
1171 | assert L[1].strip().lower() == '11' |
---|
1172 | |
---|
1173 | L = lines[2].strip().split() |
---|
1174 | assert L[0].strip().lower() == 'xllcorner' |
---|
1175 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
1176 | |
---|
1177 | L = lines[3].strip().split() |
---|
1178 | assert L[0].strip().lower() == 'yllcorner' |
---|
1179 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
1180 | |
---|
1181 | L = lines[4].strip().split() |
---|
1182 | assert L[0].strip().lower() == 'cellsize' |
---|
1183 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
1184 | |
---|
1185 | L = lines[5].strip().split() |
---|
1186 | assert L[0].strip() == 'NODATA_value' |
---|
1187 | assert L[1].strip().lower() == '-9999' |
---|
1188 | |
---|
1189 | #Check grid values (FIXME: Use same strategy for other sww2dem tests) |
---|
1190 | for i, line in enumerate(lines[6:]): |
---|
1191 | for j, value in enumerate( line.split() ): |
---|
1192 | #assert allclose(float(value), -(10-i+j)*cellsize) |
---|
1193 | assert float(value) == -(10-i+j)*cellsize |
---|
1194 | |
---|
1195 | |
---|
1196 | fid.close() |
---|
1197 | |
---|
1198 | #Cleanup |
---|
1199 | os.remove(prjfile) |
---|
1200 | os.remove(ascfile) |
---|
1201 | os.remove(swwfile) |
---|
1202 | |
---|
1203 | |
---|
1204 | |
---|
1205 | def test_sww2dem_boundingbox(self): |
---|
1206 | """Test that sww information can be converted correctly to asc/prj |
---|
1207 | format readable by e.g. ArcView. |
---|
1208 | This will test that mesh can be restricted by bounding box |
---|
1209 | |
---|
1210 | Original extent is 100m x 100m: |
---|
1211 | |
---|
1212 | Eastings: 308500 - 308600 |
---|
1213 | Northings: 6189000 - 6189100 |
---|
1214 | |
---|
1215 | Bounding box changes this to the 50m x 50m square defined by |
---|
1216 | |
---|
1217 | Eastings: 308530 - 308570 |
---|
1218 | Northings: 6189050 - 6189100 |
---|
1219 | |
---|
1220 | The cropped values should be |
---|
1221 | |
---|
1222 | -130 -140 -150 -160 -170 |
---|
1223 | -120 -130 -140 -150 -160 |
---|
1224 | -110 -120 -130 -140 -150 |
---|
1225 | -100 -110 -120 -130 -140 |
---|
1226 | -90 -100 -110 -120 -130 |
---|
1227 | -80 -90 -100 -110 -120 |
---|
1228 | |
---|
1229 | and the new lower reference point should be |
---|
1230 | Eastings: 308530 |
---|
1231 | Northings: 6189050 |
---|
1232 | |
---|
1233 | Original dataset is the same as in test_sww2dem_larger() |
---|
1234 | |
---|
1235 | """ |
---|
1236 | |
---|
1237 | import time, os |
---|
1238 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
1239 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1240 | |
---|
1241 | #Setup |
---|
1242 | |
---|
1243 | from mesh_factory import rectangular |
---|
1244 | |
---|
1245 | #Create basic mesh (100m x 100m) |
---|
1246 | points, vertices, boundary = rectangular(2, 2, 100, 100) |
---|
1247 | |
---|
1248 | #Create shallow water domain |
---|
1249 | domain = Domain(points, vertices, boundary) |
---|
1250 | domain.default_order = 2 |
---|
1251 | |
---|
1252 | domain.filename = 'datatest' |
---|
1253 | |
---|
1254 | prjfile = domain.filename + '_elevation.prj' |
---|
1255 | ascfile = domain.filename + '_elevation.asc' |
---|
1256 | swwfile = domain.filename + '.sww' |
---|
1257 | |
---|
1258 | domain.set_datadir('.') |
---|
1259 | domain.format = 'sww' |
---|
1260 | domain.smooth = True |
---|
1261 | domain.geo_reference = Geo_reference(56, 308500, 6189000) |
---|
1262 | |
---|
1263 | # |
---|
1264 | domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1265 | domain.set_quantity('stage', 0) |
---|
1266 | |
---|
1267 | B = Transmissive_boundary(domain) |
---|
1268 | domain.set_boundary( {'left': B, 'right': B, 'top': B, 'bottom': B}) |
---|
1269 | |
---|
1270 | |
---|
1271 | # |
---|
1272 | sww = get_dataobject(domain) |
---|
1273 | sww.store_connectivity() |
---|
1274 | sww.store_timestep('stage') |
---|
1275 | |
---|
1276 | domain.evolve_to_end(finaltime = 0.01) |
---|
1277 | sww.store_timestep('stage') |
---|
1278 | |
---|
1279 | cellsize = 10 #10m grid |
---|
1280 | |
---|
1281 | |
---|
1282 | #Check contents |
---|
1283 | #Get NetCDF |
---|
1284 | |
---|
1285 | fid = NetCDFFile(sww.filename, 'r') |
---|
1286 | |
---|
1287 | # Get the variables |
---|
1288 | x = fid.variables['x'][:] |
---|
1289 | y = fid.variables['y'][:] |
---|
1290 | z = fid.variables['elevation'][:] |
---|
1291 | time = fid.variables['time'][:] |
---|
1292 | stage = fid.variables['stage'][:] |
---|
1293 | |
---|
1294 | |
---|
1295 | #Export to ascii/prj files |
---|
1296 | sww2dem(domain.filename, |
---|
1297 | quantity = 'elevation', |
---|
1298 | cellsize = cellsize, |
---|
1299 | easting_min = 308530, |
---|
1300 | easting_max = 308570, |
---|
1301 | northing_min = 6189050, |
---|
1302 | northing_max = 6189100, |
---|
1303 | verbose = False, |
---|
1304 | format = 'asc') |
---|
1305 | |
---|
1306 | fid.close() |
---|
1307 | |
---|
1308 | |
---|
1309 | #Check prj (meta data) |
---|
1310 | prjid = open(prjfile) |
---|
1311 | lines = prjid.readlines() |
---|
1312 | prjid.close() |
---|
1313 | |
---|
1314 | L = lines[0].strip().split() |
---|
1315 | assert L[0].strip().lower() == 'projection' |
---|
1316 | assert L[1].strip().lower() == 'utm' |
---|
1317 | |
---|
1318 | L = lines[1].strip().split() |
---|
1319 | assert L[0].strip().lower() == 'zone' |
---|
1320 | assert L[1].strip().lower() == '56' |
---|
1321 | |
---|
1322 | L = lines[2].strip().split() |
---|
1323 | assert L[0].strip().lower() == 'datum' |
---|
1324 | assert L[1].strip().lower() == 'wgs84' |
---|
1325 | |
---|
1326 | L = lines[3].strip().split() |
---|
1327 | assert L[0].strip().lower() == 'zunits' |
---|
1328 | assert L[1].strip().lower() == 'no' |
---|
1329 | |
---|
1330 | L = lines[4].strip().split() |
---|
1331 | assert L[0].strip().lower() == 'units' |
---|
1332 | assert L[1].strip().lower() == 'meters' |
---|
1333 | |
---|
1334 | L = lines[5].strip().split() |
---|
1335 | assert L[0].strip().lower() == 'spheroid' |
---|
1336 | assert L[1].strip().lower() == 'wgs84' |
---|
1337 | |
---|
1338 | L = lines[6].strip().split() |
---|
1339 | assert L[0].strip().lower() == 'xshift' |
---|
1340 | assert L[1].strip().lower() == '500000' |
---|
1341 | |
---|
1342 | L = lines[7].strip().split() |
---|
1343 | assert L[0].strip().lower() == 'yshift' |
---|
1344 | assert L[1].strip().lower() == '10000000' |
---|
1345 | |
---|
1346 | L = lines[8].strip().split() |
---|
1347 | assert L[0].strip().lower() == 'parameters' |
---|
1348 | |
---|
1349 | |
---|
1350 | #Check asc file |
---|
1351 | ascid = open(ascfile) |
---|
1352 | lines = ascid.readlines() |
---|
1353 | ascid.close() |
---|
1354 | |
---|
1355 | L = lines[0].strip().split() |
---|
1356 | assert L[0].strip().lower() == 'ncols' |
---|
1357 | assert L[1].strip().lower() == '5' |
---|
1358 | |
---|
1359 | L = lines[1].strip().split() |
---|
1360 | assert L[0].strip().lower() == 'nrows' |
---|
1361 | assert L[1].strip().lower() == '6' |
---|
1362 | |
---|
1363 | L = lines[2].strip().split() |
---|
1364 | assert L[0].strip().lower() == 'xllcorner' |
---|
1365 | assert allclose(float(L[1].strip().lower()), 308530) |
---|
1366 | |
---|
1367 | L = lines[3].strip().split() |
---|
1368 | assert L[0].strip().lower() == 'yllcorner' |
---|
1369 | assert allclose(float(L[1].strip().lower()), 6189050) |
---|
1370 | |
---|
1371 | L = lines[4].strip().split() |
---|
1372 | assert L[0].strip().lower() == 'cellsize' |
---|
1373 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
1374 | |
---|
1375 | L = lines[5].strip().split() |
---|
1376 | assert L[0].strip() == 'NODATA_value' |
---|
1377 | assert L[1].strip().lower() == '-9999' |
---|
1378 | |
---|
1379 | #Check grid values |
---|
1380 | for i, line in enumerate(lines[6:]): |
---|
1381 | for j, value in enumerate( line.split() ): |
---|
1382 | #assert float(value) == -(10-i+j)*cellsize |
---|
1383 | assert float(value) == -(10-i+j+3)*cellsize |
---|
1384 | |
---|
1385 | |
---|
1386 | |
---|
1387 | #Cleanup |
---|
1388 | os.remove(prjfile) |
---|
1389 | os.remove(ascfile) |
---|
1390 | os.remove(swwfile) |
---|
1391 | |
---|
1392 | |
---|
1393 | |
---|
1394 | def test_sww2dem_asc_stage_reduction(self): |
---|
1395 | """Test that sww information can be converted correctly to asc/prj |
---|
1396 | format readable by e.g. ArcView |
---|
1397 | |
---|
1398 | This tests the reduction of quantity stage using min |
---|
1399 | """ |
---|
1400 | |
---|
1401 | import time, os |
---|
1402 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
1403 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1404 | |
---|
1405 | #Setup |
---|
1406 | self.domain.filename = 'datatest' |
---|
1407 | |
---|
1408 | prjfile = self.domain.filename + '_stage.prj' |
---|
1409 | ascfile = self.domain.filename + '_stage.asc' |
---|
1410 | swwfile = self.domain.filename + '.sww' |
---|
1411 | |
---|
1412 | self.domain.set_datadir('.') |
---|
1413 | self.domain.format = 'sww' |
---|
1414 | self.domain.smooth = True |
---|
1415 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1416 | |
---|
1417 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
1418 | |
---|
1419 | |
---|
1420 | sww = get_dataobject(self.domain) |
---|
1421 | sww.store_connectivity() |
---|
1422 | sww.store_timestep('stage') |
---|
1423 | |
---|
1424 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
1425 | sww.store_timestep('stage') |
---|
1426 | |
---|
1427 | cellsize = 0.25 |
---|
1428 | #Check contents |
---|
1429 | #Get NetCDF |
---|
1430 | |
---|
1431 | fid = NetCDFFile(sww.filename, 'r') |
---|
1432 | |
---|
1433 | # Get the variables |
---|
1434 | x = fid.variables['x'][:] |
---|
1435 | y = fid.variables['y'][:] |
---|
1436 | z = fid.variables['elevation'][:] |
---|
1437 | time = fid.variables['time'][:] |
---|
1438 | stage = fid.variables['stage'][:] |
---|
1439 | |
---|
1440 | |
---|
1441 | #Export to ascii/prj files |
---|
1442 | sww2dem(self.domain.filename, |
---|
1443 | quantity = 'stage', |
---|
1444 | cellsize = cellsize, |
---|
1445 | reduction = min, |
---|
1446 | format = 'asc') |
---|
1447 | |
---|
1448 | |
---|
1449 | #Check asc file |
---|
1450 | ascid = open(ascfile) |
---|
1451 | lines = ascid.readlines() |
---|
1452 | ascid.close() |
---|
1453 | |
---|
1454 | L = lines[0].strip().split() |
---|
1455 | assert L[0].strip().lower() == 'ncols' |
---|
1456 | assert L[1].strip().lower() == '5' |
---|
1457 | |
---|
1458 | L = lines[1].strip().split() |
---|
1459 | assert L[0].strip().lower() == 'nrows' |
---|
1460 | assert L[1].strip().lower() == '5' |
---|
1461 | |
---|
1462 | L = lines[2].strip().split() |
---|
1463 | assert L[0].strip().lower() == 'xllcorner' |
---|
1464 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
1465 | |
---|
1466 | L = lines[3].strip().split() |
---|
1467 | assert L[0].strip().lower() == 'yllcorner' |
---|
1468 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
1469 | |
---|
1470 | L = lines[4].strip().split() |
---|
1471 | assert L[0].strip().lower() == 'cellsize' |
---|
1472 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
1473 | |
---|
1474 | L = lines[5].strip().split() |
---|
1475 | assert L[0].strip() == 'NODATA_value' |
---|
1476 | assert L[1].strip().lower() == '-9999' |
---|
1477 | |
---|
1478 | |
---|
1479 | #Check grid values (where applicable) |
---|
1480 | for j in range(5): |
---|
1481 | if j%2 == 0: |
---|
1482 | L = lines[6+j].strip().split() |
---|
1483 | jj = 4-j |
---|
1484 | for i in range(5): |
---|
1485 | if i%2 == 0: |
---|
1486 | index = jj/2 + i/2*3 |
---|
1487 | val0 = stage[0,index] |
---|
1488 | val1 = stage[1,index] |
---|
1489 | |
---|
1490 | #print i, j, index, ':', L[i], val0, val1 |
---|
1491 | assert allclose(float(L[i]), min(val0, val1)) |
---|
1492 | |
---|
1493 | |
---|
1494 | fid.close() |
---|
1495 | |
---|
1496 | #Cleanup |
---|
1497 | os.remove(prjfile) |
---|
1498 | os.remove(ascfile) |
---|
1499 | #os.remove(swwfile) |
---|
1500 | |
---|
1501 | |
---|
1502 | |
---|
1503 | def test_sww2dem_asc_derived_quantity(self): |
---|
1504 | """Test that sww information can be converted correctly to asc/prj |
---|
1505 | format readable by e.g. ArcView |
---|
1506 | |
---|
1507 | This tests the use of derived quantities |
---|
1508 | """ |
---|
1509 | |
---|
1510 | import time, os |
---|
1511 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
1512 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1513 | |
---|
1514 | #Setup |
---|
1515 | self.domain.filename = 'datatest' |
---|
1516 | |
---|
1517 | prjfile = self.domain.filename + '_depth.prj' |
---|
1518 | ascfile = self.domain.filename + '_depth.asc' |
---|
1519 | swwfile = self.domain.filename + '.sww' |
---|
1520 | |
---|
1521 | self.domain.set_datadir('.') |
---|
1522 | self.domain.format = 'sww' |
---|
1523 | self.domain.smooth = True |
---|
1524 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1525 | self.domain.set_quantity('stage', 0.0) |
---|
1526 | |
---|
1527 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
1528 | |
---|
1529 | |
---|
1530 | sww = get_dataobject(self.domain) |
---|
1531 | sww.store_connectivity() |
---|
1532 | sww.store_timestep('stage') |
---|
1533 | |
---|
1534 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
1535 | sww.store_timestep('stage') |
---|
1536 | |
---|
1537 | cellsize = 0.25 |
---|
1538 | #Check contents |
---|
1539 | #Get NetCDF |
---|
1540 | |
---|
1541 | fid = NetCDFFile(sww.filename, 'r') |
---|
1542 | |
---|
1543 | # Get the variables |
---|
1544 | x = fid.variables['x'][:] |
---|
1545 | y = fid.variables['y'][:] |
---|
1546 | z = fid.variables['elevation'][:] |
---|
1547 | time = fid.variables['time'][:] |
---|
1548 | stage = fid.variables['stage'][:] |
---|
1549 | |
---|
1550 | |
---|
1551 | #Export to ascii/prj files |
---|
1552 | sww2dem(self.domain.filename, |
---|
1553 | basename_out = 'datatest_depth', |
---|
1554 | quantity = 'stage - elevation', |
---|
1555 | cellsize = cellsize, |
---|
1556 | reduction = min, |
---|
1557 | format = 'asc', |
---|
1558 | verbose = False) |
---|
1559 | |
---|
1560 | |
---|
1561 | #Check asc file |
---|
1562 | ascid = open(ascfile) |
---|
1563 | lines = ascid.readlines() |
---|
1564 | ascid.close() |
---|
1565 | |
---|
1566 | L = lines[0].strip().split() |
---|
1567 | assert L[0].strip().lower() == 'ncols' |
---|
1568 | assert L[1].strip().lower() == '5' |
---|
1569 | |
---|
1570 | L = lines[1].strip().split() |
---|
1571 | assert L[0].strip().lower() == 'nrows' |
---|
1572 | assert L[1].strip().lower() == '5' |
---|
1573 | |
---|
1574 | L = lines[2].strip().split() |
---|
1575 | assert L[0].strip().lower() == 'xllcorner' |
---|
1576 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
1577 | |
---|
1578 | L = lines[3].strip().split() |
---|
1579 | assert L[0].strip().lower() == 'yllcorner' |
---|
1580 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
1581 | |
---|
1582 | L = lines[4].strip().split() |
---|
1583 | assert L[0].strip().lower() == 'cellsize' |
---|
1584 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
1585 | |
---|
1586 | L = lines[5].strip().split() |
---|
1587 | assert L[0].strip() == 'NODATA_value' |
---|
1588 | assert L[1].strip().lower() == '-9999' |
---|
1589 | |
---|
1590 | |
---|
1591 | #Check grid values (where applicable) |
---|
1592 | for j in range(5): |
---|
1593 | if j%2 == 0: |
---|
1594 | L = lines[6+j].strip().split() |
---|
1595 | jj = 4-j |
---|
1596 | for i in range(5): |
---|
1597 | if i%2 == 0: |
---|
1598 | index = jj/2 + i/2*3 |
---|
1599 | val0 = stage[0,index] - z[index] |
---|
1600 | val1 = stage[1,index] - z[index] |
---|
1601 | |
---|
1602 | #print i, j, index, ':', L[i], val0, val1 |
---|
1603 | assert allclose(float(L[i]), min(val0, val1)) |
---|
1604 | |
---|
1605 | |
---|
1606 | fid.close() |
---|
1607 | |
---|
1608 | #Cleanup |
---|
1609 | os.remove(prjfile) |
---|
1610 | os.remove(ascfile) |
---|
1611 | #os.remove(swwfile) |
---|
1612 | |
---|
1613 | |
---|
1614 | |
---|
1615 | |
---|
1616 | |
---|
1617 | def test_sww2dem_asc_missing_points(self): |
---|
1618 | """Test that sww information can be converted correctly to asc/prj |
---|
1619 | format readable by e.g. ArcView |
---|
1620 | |
---|
1621 | This test includes the writing of missing values |
---|
1622 | """ |
---|
1623 | |
---|
1624 | import time, os |
---|
1625 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
1626 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1627 | |
---|
1628 | #Setup mesh not coinciding with rectangle. |
---|
1629 | #This will cause missing values to occur in gridded data |
---|
1630 | |
---|
1631 | |
---|
1632 | points = [ [1.0, 1.0], |
---|
1633 | [0.5, 0.5], [1.0, 0.5], |
---|
1634 | [0.0, 0.0], [0.5, 0.0], [1.0, 0.0]] |
---|
1635 | |
---|
1636 | vertices = [ [4,1,3], [5,2,4], [1,4,2], [2,0,1]] |
---|
1637 | |
---|
1638 | #Create shallow water domain |
---|
1639 | domain = Domain(points, vertices) |
---|
1640 | domain.default_order=2 |
---|
1641 | |
---|
1642 | |
---|
1643 | #Set some field values |
---|
1644 | domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1645 | domain.set_quantity('friction', 0.03) |
---|
1646 | |
---|
1647 | |
---|
1648 | ###################### |
---|
1649 | # Boundary conditions |
---|
1650 | B = Transmissive_boundary(domain) |
---|
1651 | domain.set_boundary( {'exterior': B} ) |
---|
1652 | |
---|
1653 | |
---|
1654 | ###################### |
---|
1655 | #Initial condition - with jumps |
---|
1656 | |
---|
1657 | bed = domain.quantities['elevation'].vertex_values |
---|
1658 | stage = zeros(bed.shape, Float) |
---|
1659 | |
---|
1660 | h = 0.3 |
---|
1661 | for i in range(stage.shape[0]): |
---|
1662 | if i % 2 == 0: |
---|
1663 | stage[i,:] = bed[i,:] + h |
---|
1664 | else: |
---|
1665 | stage[i,:] = bed[i,:] |
---|
1666 | |
---|
1667 | domain.set_quantity('stage', stage) |
---|
1668 | domain.distribute_to_vertices_and_edges() |
---|
1669 | |
---|
1670 | domain.filename = 'datatest' |
---|
1671 | |
---|
1672 | prjfile = domain.filename + '_elevation.prj' |
---|
1673 | ascfile = domain.filename + '_elevation.asc' |
---|
1674 | swwfile = domain.filename + '.sww' |
---|
1675 | |
---|
1676 | domain.set_datadir('.') |
---|
1677 | domain.format = 'sww' |
---|
1678 | domain.smooth = True |
---|
1679 | |
---|
1680 | domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
1681 | |
---|
1682 | sww = get_dataobject(domain) |
---|
1683 | sww.store_connectivity() |
---|
1684 | sww.store_timestep('stage') |
---|
1685 | |
---|
1686 | cellsize = 0.25 |
---|
1687 | #Check contents |
---|
1688 | #Get NetCDF |
---|
1689 | |
---|
1690 | fid = NetCDFFile(swwfile, 'r') |
---|
1691 | |
---|
1692 | # Get the variables |
---|
1693 | x = fid.variables['x'][:] |
---|
1694 | y = fid.variables['y'][:] |
---|
1695 | z = fid.variables['elevation'][:] |
---|
1696 | time = fid.variables['time'][:] |
---|
1697 | |
---|
1698 | try: |
---|
1699 | geo_reference = Geo_reference(NetCDFObject=fid) |
---|
1700 | except AttributeError, e: |
---|
1701 | geo_reference = Geo_reference(DEFAULT_ZONE,0,0) |
---|
1702 | |
---|
1703 | #Export to ascii/prj files |
---|
1704 | sww2dem(domain.filename, |
---|
1705 | quantity = 'elevation', |
---|
1706 | cellsize = cellsize, |
---|
1707 | verbose = False, |
---|
1708 | format = 'asc') |
---|
1709 | |
---|
1710 | |
---|
1711 | #Check asc file |
---|
1712 | ascid = open(ascfile) |
---|
1713 | lines = ascid.readlines() |
---|
1714 | ascid.close() |
---|
1715 | |
---|
1716 | L = lines[0].strip().split() |
---|
1717 | assert L[0].strip().lower() == 'ncols' |
---|
1718 | assert L[1].strip().lower() == '5' |
---|
1719 | |
---|
1720 | L = lines[1].strip().split() |
---|
1721 | assert L[0].strip().lower() == 'nrows' |
---|
1722 | assert L[1].strip().lower() == '5' |
---|
1723 | |
---|
1724 | L = lines[2].strip().split() |
---|
1725 | assert L[0].strip().lower() == 'xllcorner' |
---|
1726 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
1727 | |
---|
1728 | L = lines[3].strip().split() |
---|
1729 | assert L[0].strip().lower() == 'yllcorner' |
---|
1730 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
1731 | |
---|
1732 | L = lines[4].strip().split() |
---|
1733 | assert L[0].strip().lower() == 'cellsize' |
---|
1734 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
1735 | |
---|
1736 | L = lines[5].strip().split() |
---|
1737 | assert L[0].strip() == 'NODATA_value' |
---|
1738 | assert L[1].strip().lower() == '-9999' |
---|
1739 | |
---|
1740 | #Check grid values |
---|
1741 | for j in range(5): |
---|
1742 | L = lines[6+j].strip().split() |
---|
1743 | assert len(L) == 5 |
---|
1744 | y = (4-j) * cellsize |
---|
1745 | |
---|
1746 | for i in range(5): |
---|
1747 | #print i |
---|
1748 | if i+j >= 4: |
---|
1749 | assert allclose(float(L[i]), -i*cellsize - y) |
---|
1750 | else: |
---|
1751 | #Missing values |
---|
1752 | assert allclose(float(L[i]), -9999) |
---|
1753 | |
---|
1754 | |
---|
1755 | |
---|
1756 | fid.close() |
---|
1757 | |
---|
1758 | #Cleanup |
---|
1759 | os.remove(prjfile) |
---|
1760 | os.remove(ascfile) |
---|
1761 | os.remove(swwfile) |
---|
1762 | |
---|
1763 | def test_sww2ers_simple(self): |
---|
1764 | """Test that sww information can be converted correctly to asc/prj |
---|
1765 | format readable by e.g. ArcView |
---|
1766 | """ |
---|
1767 | |
---|
1768 | import time, os |
---|
1769 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
1770 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1771 | |
---|
1772 | |
---|
1773 | NODATA_value = 1758323 |
---|
1774 | |
---|
1775 | #Setup |
---|
1776 | self.domain.filename = 'datatest' |
---|
1777 | |
---|
1778 | headerfile = self.domain.filename + '.ers' |
---|
1779 | swwfile = self.domain.filename + '.sww' |
---|
1780 | |
---|
1781 | self.domain.set_datadir('.') |
---|
1782 | self.domain.format = 'sww' |
---|
1783 | self.domain.smooth = True |
---|
1784 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1785 | |
---|
1786 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
1787 | |
---|
1788 | sww = get_dataobject(self.domain) |
---|
1789 | sww.store_connectivity() |
---|
1790 | sww.store_timestep('stage') |
---|
1791 | |
---|
1792 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
1793 | sww.store_timestep('stage') |
---|
1794 | |
---|
1795 | cellsize = 0.25 |
---|
1796 | #Check contents |
---|
1797 | #Get NetCDF |
---|
1798 | |
---|
1799 | fid = NetCDFFile(sww.filename, 'r') |
---|
1800 | |
---|
1801 | # Get the variables |
---|
1802 | x = fid.variables['x'][:] |
---|
1803 | y = fid.variables['y'][:] |
---|
1804 | z = fid.variables['elevation'][:] |
---|
1805 | time = fid.variables['time'][:] |
---|
1806 | stage = fid.variables['stage'][:] |
---|
1807 | |
---|
1808 | |
---|
1809 | #Export to ers files |
---|
1810 | #sww2ers(self.domain.filename, |
---|
1811 | # quantity = 'elevation', |
---|
1812 | # cellsize = cellsize, |
---|
1813 | # verbose = False) |
---|
1814 | |
---|
1815 | sww2dem(self.domain.filename, |
---|
1816 | quantity = 'elevation', |
---|
1817 | cellsize = cellsize, |
---|
1818 | NODATA_value = NODATA_value, |
---|
1819 | verbose = False, |
---|
1820 | format = 'ers') |
---|
1821 | |
---|
1822 | #Check header data |
---|
1823 | from ermapper_grids import read_ermapper_header, read_ermapper_data |
---|
1824 | |
---|
1825 | header = read_ermapper_header(self.domain.filename + '_elevation.ers') |
---|
1826 | #print header |
---|
1827 | assert header['projection'].lower() == '"utm-56"' |
---|
1828 | assert header['datum'].lower() == '"wgs84"' |
---|
1829 | assert header['units'].lower() == '"meters"' |
---|
1830 | assert header['value'].lower() == '"elevation"' |
---|
1831 | assert header['xdimension'] == '0.25' |
---|
1832 | assert header['ydimension'] == '0.25' |
---|
1833 | assert float(header['eastings']) == 308500.0 #xllcorner |
---|
1834 | assert float(header['northings']) == 6189000.0 #yllcorner |
---|
1835 | assert int(header['nroflines']) == 5 |
---|
1836 | assert int(header['nrofcellsperline']) == 5 |
---|
1837 | assert int(header['nullcellvalue']) == NODATA_value |
---|
1838 | #FIXME - there is more in the header |
---|
1839 | |
---|
1840 | |
---|
1841 | #Check grid data |
---|
1842 | grid = read_ermapper_data(self.domain.filename + '_elevation') |
---|
1843 | |
---|
1844 | #FIXME (Ole): Why is this the desired reference grid for -x-y? |
---|
1845 | ref_grid = [NODATA_value, NODATA_value, NODATA_value, NODATA_value, NODATA_value, |
---|
1846 | -1, -1.25, -1.5, -1.75, -2.0, |
---|
1847 | -0.75, -1.0, -1.25, -1.5, -1.75, |
---|
1848 | -0.5, -0.75, -1.0, -1.25, -1.5, |
---|
1849 | -0.25, -0.5, -0.75, -1.0, -1.25] |
---|
1850 | |
---|
1851 | |
---|
1852 | #print grid |
---|
1853 | assert allclose(grid, ref_grid) |
---|
1854 | |
---|
1855 | fid.close() |
---|
1856 | |
---|
1857 | #Cleanup |
---|
1858 | #FIXME the file clean-up doesn't work (eg Permission Denied Error) |
---|
1859 | #Done (Ole) - it was because sww2ers didn't close it's sww file |
---|
1860 | os.remove(sww.filename) |
---|
1861 | |
---|
1862 | |
---|
1863 | |
---|
1864 | def test_ferret2sww(self): |
---|
1865 | """Test that georeferencing etc works when converting from |
---|
1866 | ferret format (lat/lon) to sww format (UTM) |
---|
1867 | """ |
---|
1868 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1869 | import os, sys |
---|
1870 | |
---|
1871 | #The test file has |
---|
1872 | # LON = 150.66667, 150.83334, 151, 151.16667 |
---|
1873 | # LAT = -34.5, -34.33333, -34.16667, -34 ; |
---|
1874 | # TIME = 0, 0.1, 0.6, 1.1, 1.6, 2.1 ; |
---|
1875 | # |
---|
1876 | # First value (index=0) in small_ha.nc is 0.3400644 cm, |
---|
1877 | # Fourth value (index==3) is -6.50198 cm |
---|
1878 | |
---|
1879 | |
---|
1880 | |
---|
1881 | #Read |
---|
1882 | from coordinate_transforms.redfearn import redfearn |
---|
1883 | fid = NetCDFFile(self.test_MOST_file) |
---|
1884 | first_value = fid.variables['HA'][:][0,0,0] |
---|
1885 | fourth_value = fid.variables['HA'][:][0,0,3] |
---|
1886 | |
---|
1887 | |
---|
1888 | #Call conversion (with zero origin) |
---|
1889 | ferret2sww('small', verbose=False, |
---|
1890 | origin = (56, 0, 0)) |
---|
1891 | |
---|
1892 | |
---|
1893 | #Work out the UTM coordinates for first point |
---|
1894 | zone, e, n = redfearn(-34.5, 150.66667) |
---|
1895 | #print zone, e, n |
---|
1896 | |
---|
1897 | #Read output file 'small.sww' |
---|
1898 | fid = NetCDFFile('small.sww') |
---|
1899 | |
---|
1900 | x = fid.variables['x'][:] |
---|
1901 | y = fid.variables['y'][:] |
---|
1902 | |
---|
1903 | #Check that first coordinate is correctly represented |
---|
1904 | assert allclose(x[0], e) |
---|
1905 | assert allclose(y[0], n) |
---|
1906 | |
---|
1907 | #Check first value |
---|
1908 | stage = fid.variables['stage'][:] |
---|
1909 | xmomentum = fid.variables['xmomentum'][:] |
---|
1910 | ymomentum = fid.variables['ymomentum'][:] |
---|
1911 | |
---|
1912 | #print ymomentum |
---|
1913 | |
---|
1914 | assert allclose(stage[0,0], first_value/100) #Meters |
---|
1915 | |
---|
1916 | #Check fourth value |
---|
1917 | assert allclose(stage[0,3], fourth_value/100) #Meters |
---|
1918 | |
---|
1919 | fid.close() |
---|
1920 | |
---|
1921 | #Cleanup |
---|
1922 | import os |
---|
1923 | os.remove('small.sww') |
---|
1924 | |
---|
1925 | |
---|
1926 | |
---|
1927 | def test_ferret2sww_2(self): |
---|
1928 | """Test that georeferencing etc works when converting from |
---|
1929 | ferret format (lat/lon) to sww format (UTM) |
---|
1930 | """ |
---|
1931 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1932 | |
---|
1933 | #The test file has |
---|
1934 | # LON = 150.66667, 150.83334, 151, 151.16667 |
---|
1935 | # LAT = -34.5, -34.33333, -34.16667, -34 ; |
---|
1936 | # TIME = 0, 0.1, 0.6, 1.1, 1.6, 2.1 ; |
---|
1937 | # |
---|
1938 | # First value (index=0) in small_ha.nc is 0.3400644 cm, |
---|
1939 | # Fourth value (index==3) is -6.50198 cm |
---|
1940 | |
---|
1941 | |
---|
1942 | from coordinate_transforms.redfearn import redfearn |
---|
1943 | |
---|
1944 | #fid = NetCDFFile('small_ha.nc') |
---|
1945 | fid = NetCDFFile(self.test_MOST_file) |
---|
1946 | |
---|
1947 | #Pick a coordinate and a value |
---|
1948 | |
---|
1949 | time_index = 1 |
---|
1950 | lat_index = 0 |
---|
1951 | lon_index = 2 |
---|
1952 | |
---|
1953 | test_value = fid.variables['HA'][:][time_index, lat_index, lon_index] |
---|
1954 | test_time = fid.variables['TIME'][:][time_index] |
---|
1955 | test_lat = fid.variables['LAT'][:][lat_index] |
---|
1956 | test_lon = fid.variables['LON'][:][lon_index] |
---|
1957 | |
---|
1958 | linear_point_index = lat_index*4 + lon_index |
---|
1959 | fid.close() |
---|
1960 | |
---|
1961 | #Call conversion (with zero origin) |
---|
1962 | ferret2sww('small', verbose=False, |
---|
1963 | origin = (56, 0, 0)) |
---|
1964 | |
---|
1965 | |
---|
1966 | #Work out the UTM coordinates for test point |
---|
1967 | zone, e, n = redfearn(test_lat, test_lon) |
---|
1968 | |
---|
1969 | #Read output file 'small.sww' |
---|
1970 | fid = NetCDFFile('small.sww') |
---|
1971 | |
---|
1972 | x = fid.variables['x'][:] |
---|
1973 | y = fid.variables['y'][:] |
---|
1974 | |
---|
1975 | #Check that test coordinate is correctly represented |
---|
1976 | assert allclose(x[linear_point_index], e) |
---|
1977 | assert allclose(y[linear_point_index], n) |
---|
1978 | |
---|
1979 | #Check test value |
---|
1980 | stage = fid.variables['stage'][:] |
---|
1981 | |
---|
1982 | assert allclose(stage[time_index, linear_point_index], test_value/100) |
---|
1983 | |
---|
1984 | fid.close() |
---|
1985 | |
---|
1986 | #Cleanup |
---|
1987 | import os |
---|
1988 | os.remove('small.sww') |
---|
1989 | |
---|
1990 | |
---|
1991 | |
---|
1992 | def test_ferret2sww3(self): |
---|
1993 | """Elevation included |
---|
1994 | """ |
---|
1995 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1996 | |
---|
1997 | #The test file has |
---|
1998 | # LON = 150.66667, 150.83334, 151, 151.16667 |
---|
1999 | # LAT = -34.5, -34.33333, -34.16667, -34 ; |
---|
2000 | # ELEVATION = [-1 -2 -3 -4 |
---|
2001 | # -5 -6 -7 -8 |
---|
2002 | # ... |
---|
2003 | # ... -16] |
---|
2004 | # where the top left corner is -1m, |
---|
2005 | # and the ll corner is -13.0m |
---|
2006 | # |
---|
2007 | # First value (index=0) in small_ha.nc is 0.3400644 cm, |
---|
2008 | # Fourth value (index==3) is -6.50198 cm |
---|
2009 | |
---|
2010 | from coordinate_transforms.redfearn import redfearn |
---|
2011 | import os |
---|
2012 | fid1 = NetCDFFile('test_ha.nc','w') |
---|
2013 | fid2 = NetCDFFile('test_ua.nc','w') |
---|
2014 | fid3 = NetCDFFile('test_va.nc','w') |
---|
2015 | fid4 = NetCDFFile('test_e.nc','w') |
---|
2016 | |
---|
2017 | h1_list = [150.66667,150.83334,151.] |
---|
2018 | h2_list = [-34.5,-34.33333] |
---|
2019 | |
---|
2020 | long_name = 'LON' |
---|
2021 | lat_name = 'LAT' |
---|
2022 | |
---|
2023 | nx = 3 |
---|
2024 | ny = 2 |
---|
2025 | |
---|
2026 | for fid in [fid1,fid2,fid3]: |
---|
2027 | fid.createDimension(long_name,nx) |
---|
2028 | fid.createVariable(long_name,'d',(long_name,)) |
---|
2029 | fid.variables[long_name].point_spacing='uneven' |
---|
2030 | fid.variables[long_name].units='degrees_east' |
---|
2031 | fid.variables[long_name].assignValue(h1_list) |
---|
2032 | |
---|
2033 | fid.createDimension(lat_name,ny) |
---|
2034 | fid.createVariable(lat_name,'d',(lat_name,)) |
---|
2035 | fid.variables[lat_name].point_spacing='uneven' |
---|
2036 | fid.variables[lat_name].units='degrees_north' |
---|
2037 | fid.variables[lat_name].assignValue(h2_list) |
---|
2038 | |
---|
2039 | fid.createDimension('TIME',2) |
---|
2040 | fid.createVariable('TIME','d',('TIME',)) |
---|
2041 | fid.variables['TIME'].point_spacing='uneven' |
---|
2042 | fid.variables['TIME'].units='seconds' |
---|
2043 | fid.variables['TIME'].assignValue([0.,1.]) |
---|
2044 | if fid == fid3: break |
---|
2045 | |
---|
2046 | |
---|
2047 | for fid in [fid4]: |
---|
2048 | fid.createDimension(long_name,nx) |
---|
2049 | fid.createVariable(long_name,'d',(long_name,)) |
---|
2050 | fid.variables[long_name].point_spacing='uneven' |
---|
2051 | fid.variables[long_name].units='degrees_east' |
---|
2052 | fid.variables[long_name].assignValue(h1_list) |
---|
2053 | |
---|
2054 | fid.createDimension(lat_name,ny) |
---|
2055 | fid.createVariable(lat_name,'d',(lat_name,)) |
---|
2056 | fid.variables[lat_name].point_spacing='uneven' |
---|
2057 | fid.variables[lat_name].units='degrees_north' |
---|
2058 | fid.variables[lat_name].assignValue(h2_list) |
---|
2059 | |
---|
2060 | name = {} |
---|
2061 | name[fid1]='HA' |
---|
2062 | name[fid2]='UA' |
---|
2063 | name[fid3]='VA' |
---|
2064 | name[fid4]='ELEVATION' |
---|
2065 | |
---|
2066 | units = {} |
---|
2067 | units[fid1]='cm' |
---|
2068 | units[fid2]='cm/s' |
---|
2069 | units[fid3]='cm/s' |
---|
2070 | units[fid4]='m' |
---|
2071 | |
---|
2072 | values = {} |
---|
2073 | values[fid1]=[[[5., 10.,15.], [13.,18.,23.]],[[50.,100.,150.],[130.,180.,230.]]] |
---|
2074 | values[fid2]=[[[1., 2.,3.], [4.,5.,6.]],[[7.,8.,9.],[10.,11.,12.]]] |
---|
2075 | values[fid3]=[[[13., 12.,11.], [10.,9.,8.]],[[7.,6.,5.],[4.,3.,2.]]] |
---|
2076 | values[fid4]=[[-3000,-3100,-3200],[-4000,-5000,-6000]] |
---|
2077 | |
---|
2078 | for fid in [fid1,fid2,fid3]: |
---|
2079 | fid.createVariable(name[fid],'d',('TIME',lat_name,long_name)) |
---|
2080 | fid.variables[name[fid]].point_spacing='uneven' |
---|
2081 | fid.variables[name[fid]].units=units[fid] |
---|
2082 | fid.variables[name[fid]].assignValue(values[fid]) |
---|
2083 | fid.variables[name[fid]].missing_value = -99999999. |
---|
2084 | if fid == fid3: break |
---|
2085 | |
---|
2086 | for fid in [fid4]: |
---|
2087 | fid.createVariable(name[fid],'d',(lat_name,long_name)) |
---|
2088 | fid.variables[name[fid]].point_spacing='uneven' |
---|
2089 | fid.variables[name[fid]].units=units[fid] |
---|
2090 | fid.variables[name[fid]].assignValue(values[fid]) |
---|
2091 | fid.variables[name[fid]].missing_value = -99999999. |
---|
2092 | |
---|
2093 | |
---|
2094 | fid1.sync(); fid1.close() |
---|
2095 | fid2.sync(); fid2.close() |
---|
2096 | fid3.sync(); fid3.close() |
---|
2097 | fid4.sync(); fid4.close() |
---|
2098 | |
---|
2099 | fid1 = NetCDFFile('test_ha.nc','r') |
---|
2100 | fid2 = NetCDFFile('test_e.nc','r') |
---|
2101 | fid3 = NetCDFFile('test_va.nc','r') |
---|
2102 | |
---|
2103 | |
---|
2104 | first_amp = fid1.variables['HA'][:][0,0,0] |
---|
2105 | third_amp = fid1.variables['HA'][:][0,0,2] |
---|
2106 | first_elevation = fid2.variables['ELEVATION'][0,0] |
---|
2107 | third_elevation= fid2.variables['ELEVATION'][:][0,2] |
---|
2108 | first_speed = fid3.variables['VA'][0,0,0] |
---|
2109 | third_speed = fid3.variables['VA'][:][0,0,2] |
---|
2110 | |
---|
2111 | fid1.close() |
---|
2112 | fid2.close() |
---|
2113 | fid3.close() |
---|
2114 | |
---|
2115 | #Call conversion (with zero origin) |
---|
2116 | ferret2sww('test', verbose=False, |
---|
2117 | origin = (56, 0, 0)) |
---|
2118 | |
---|
2119 | os.remove('test_va.nc') |
---|
2120 | os.remove('test_ua.nc') |
---|
2121 | os.remove('test_ha.nc') |
---|
2122 | os.remove('test_e.nc') |
---|
2123 | |
---|
2124 | #Read output file 'test.sww' |
---|
2125 | fid = NetCDFFile('test.sww') |
---|
2126 | |
---|
2127 | |
---|
2128 | #Check first value |
---|
2129 | elevation = fid.variables['elevation'][:] |
---|
2130 | stage = fid.variables['stage'][:] |
---|
2131 | xmomentum = fid.variables['xmomentum'][:] |
---|
2132 | ymomentum = fid.variables['ymomentum'][:] |
---|
2133 | |
---|
2134 | #print ymomentum |
---|
2135 | first_height = first_amp/100 - first_elevation |
---|
2136 | third_height = third_amp/100 - third_elevation |
---|
2137 | first_momentum=first_speed*first_height/100 |
---|
2138 | third_momentum=third_speed*third_height/100 |
---|
2139 | |
---|
2140 | assert allclose(ymomentum[0][0],first_momentum) #Meters |
---|
2141 | assert allclose(ymomentum[0][2],third_momentum) #Meters |
---|
2142 | |
---|
2143 | fid.close() |
---|
2144 | |
---|
2145 | #Cleanup |
---|
2146 | os.remove('test.sww') |
---|
2147 | |
---|
2148 | |
---|
2149 | |
---|
2150 | |
---|
2151 | def test_ferret2sww_nz_origin(self): |
---|
2152 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2153 | from coordinate_transforms.redfearn import redfearn |
---|
2154 | |
---|
2155 | #Call conversion (with nonzero origin) |
---|
2156 | ferret2sww('small', verbose=False, |
---|
2157 | origin = (56, 100000, 200000)) |
---|
2158 | |
---|
2159 | |
---|
2160 | #Work out the UTM coordinates for first point |
---|
2161 | zone, e, n = redfearn(-34.5, 150.66667) |
---|
2162 | |
---|
2163 | #Read output file 'small.sww' |
---|
2164 | fid = NetCDFFile('small.sww', 'r') |
---|
2165 | |
---|
2166 | x = fid.variables['x'][:] |
---|
2167 | y = fid.variables['y'][:] |
---|
2168 | |
---|
2169 | #Check that first coordinate is correctly represented |
---|
2170 | assert allclose(x[0], e-100000) |
---|
2171 | assert allclose(y[0], n-200000) |
---|
2172 | |
---|
2173 | fid.close() |
---|
2174 | |
---|
2175 | #Cleanup |
---|
2176 | os.remove('small.sww') |
---|
2177 | |
---|
2178 | |
---|
2179 | |
---|
2180 | def test_sww_extent(self): |
---|
2181 | """Not a test, rather a look at the sww format |
---|
2182 | """ |
---|
2183 | |
---|
2184 | import time, os |
---|
2185 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
2186 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2187 | |
---|
2188 | self.domain.filename = 'datatest' + str(id(self)) |
---|
2189 | self.domain.format = 'sww' |
---|
2190 | self.domain.smooth = True |
---|
2191 | self.domain.reduction = mean |
---|
2192 | self.domain.set_datadir('.') |
---|
2193 | |
---|
2194 | |
---|
2195 | sww = get_dataobject(self.domain) |
---|
2196 | sww.store_connectivity() |
---|
2197 | sww.store_timestep('stage') |
---|
2198 | self.domain.time = 2. |
---|
2199 | |
---|
2200 | #Modify stage at second timestep |
---|
2201 | stage = self.domain.quantities['stage'].vertex_values |
---|
2202 | self.domain.set_quantity('stage', stage/2) |
---|
2203 | |
---|
2204 | sww.store_timestep('stage') |
---|
2205 | |
---|
2206 | file_and_extension_name = self.domain.filename + ".sww" |
---|
2207 | #print "file_and_extension_name",file_and_extension_name |
---|
2208 | [xmin, xmax, ymin, ymax, stagemin, stagemax] = \ |
---|
2209 | extent_sww(file_and_extension_name ) |
---|
2210 | |
---|
2211 | assert allclose(xmin, 0.0) |
---|
2212 | assert allclose(xmax, 1.0) |
---|
2213 | assert allclose(ymin, 0.0) |
---|
2214 | assert allclose(ymax, 1.0) |
---|
2215 | assert allclose(stagemin, -0.85) |
---|
2216 | assert allclose(stagemax, 0.15) |
---|
2217 | |
---|
2218 | |
---|
2219 | #Cleanup |
---|
2220 | os.remove(sww.filename) |
---|
2221 | |
---|
2222 | |
---|
2223 | |
---|
2224 | def test_sww2domain(self): |
---|
2225 | ################################################ |
---|
2226 | #Create a test domain, and evolve and save it. |
---|
2227 | ################################################ |
---|
2228 | from mesh_factory import rectangular |
---|
2229 | from shallow_water import Domain, Reflective_boundary, Dirichlet_boundary,\ |
---|
2230 | Constant_height, Time_boundary, Transmissive_boundary |
---|
2231 | from Numeric import array |
---|
2232 | |
---|
2233 | #Create basic mesh |
---|
2234 | |
---|
2235 | yiel=0.01 |
---|
2236 | points, vertices, boundary = rectangular(10,10) |
---|
2237 | |
---|
2238 | #Create shallow water domain |
---|
2239 | domain = Domain(points, vertices, boundary) |
---|
2240 | domain.geo_reference = Geo_reference(56,11,11) |
---|
2241 | domain.smooth = False |
---|
2242 | domain.visualise = False |
---|
2243 | domain.store = True |
---|
2244 | domain.filename = 'bedslope' |
---|
2245 | domain.default_order=2 |
---|
2246 | #Bed-slope and friction |
---|
2247 | domain.set_quantity('elevation', lambda x,y: -x/3) |
---|
2248 | domain.set_quantity('friction', 0.1) |
---|
2249 | # Boundary conditions |
---|
2250 | from math import sin, pi |
---|
2251 | Br = Reflective_boundary(domain) |
---|
2252 | Bt = Transmissive_boundary(domain) |
---|
2253 | Bd = Dirichlet_boundary([0.2,0.,0.]) |
---|
2254 | Bw = Time_boundary(domain=domain, |
---|
2255 | f=lambda t: [(0.1*sin(t*2*pi)), 0.0, 0.0]) |
---|
2256 | |
---|
2257 | #domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
2258 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
2259 | |
---|
2260 | domain.quantities_to_be_stored.extend(['xmomentum','ymomentum']) |
---|
2261 | #Initial condition |
---|
2262 | h = 0.05 |
---|
2263 | elevation = domain.quantities['elevation'].vertex_values |
---|
2264 | domain.set_quantity('stage', elevation + h) |
---|
2265 | #elevation = domain.get_quantity('elevation') |
---|
2266 | #domain.set_quantity('stage', elevation + h) |
---|
2267 | |
---|
2268 | domain.check_integrity() |
---|
2269 | #Evolution |
---|
2270 | for t in domain.evolve(yieldstep = yiel, finaltime = 0.05): |
---|
2271 | # domain.write_time() |
---|
2272 | pass |
---|
2273 | |
---|
2274 | |
---|
2275 | ########################################## |
---|
2276 | #Import the example's file as a new domain |
---|
2277 | ########################################## |
---|
2278 | from data_manager import sww2domain |
---|
2279 | from Numeric import allclose |
---|
2280 | import os |
---|
2281 | |
---|
2282 | filename = domain.datadir+os.sep+domain.filename+'.sww' |
---|
2283 | domain2 = sww2domain(filename,None,fail_if_NaN=False,verbose = False) |
---|
2284 | #points, vertices, boundary = rectangular(15,15) |
---|
2285 | #domain2.boundary = boundary |
---|
2286 | ################### |
---|
2287 | ##NOW TEST IT!!! |
---|
2288 | ################### |
---|
2289 | |
---|
2290 | bits = ['vertex_coordinates'] |
---|
2291 | for quantity in ['elevation']+domain.quantities_to_be_stored: |
---|
2292 | bits.append('quantities["%s"].get_integral()'%quantity) |
---|
2293 | bits.append('get_quantity("%s")'%quantity) |
---|
2294 | |
---|
2295 | for bit in bits: |
---|
2296 | #print 'testing that domain.'+bit+' has been restored' |
---|
2297 | #print bit |
---|
2298 | #print 'done' |
---|
2299 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
2300 | |
---|
2301 | ###################################### |
---|
2302 | #Now evolve them both, just to be sure |
---|
2303 | ######################################x |
---|
2304 | visualise = False |
---|
2305 | #visualise = True |
---|
2306 | domain.visualise = visualise |
---|
2307 | domain.time = 0. |
---|
2308 | from time import sleep |
---|
2309 | |
---|
2310 | final = .1 |
---|
2311 | domain.set_quantity('friction', 0.1) |
---|
2312 | domain.store = False |
---|
2313 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
2314 | |
---|
2315 | |
---|
2316 | for t in domain.evolve(yieldstep = yiel, finaltime = final): |
---|
2317 | if visualise: sleep(1.) |
---|
2318 | #domain.write_time() |
---|
2319 | pass |
---|
2320 | |
---|
2321 | final = final - (domain2.starttime-domain.starttime) |
---|
2322 | #BUT since domain1 gets time hacked back to 0: |
---|
2323 | final = final + (domain2.starttime-domain.starttime) |
---|
2324 | |
---|
2325 | domain2.smooth = False |
---|
2326 | domain2.visualise = visualise |
---|
2327 | domain2.store = False |
---|
2328 | domain2.default_order=2 |
---|
2329 | domain2.set_quantity('friction', 0.1) |
---|
2330 | #Bed-slope and friction |
---|
2331 | # Boundary conditions |
---|
2332 | Bd2=Dirichlet_boundary([0.2,0.,0.]) |
---|
2333 | domain2.boundary = domain.boundary |
---|
2334 | #print 'domain2.boundary' |
---|
2335 | #print domain2.boundary |
---|
2336 | domain2.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
2337 | #domain2.set_boundary({'exterior': Bd}) |
---|
2338 | |
---|
2339 | domain2.check_integrity() |
---|
2340 | |
---|
2341 | for t in domain2.evolve(yieldstep = yiel, finaltime = final): |
---|
2342 | if visualise: sleep(1.) |
---|
2343 | #domain2.write_time() |
---|
2344 | pass |
---|
2345 | |
---|
2346 | ################### |
---|
2347 | ##NOW TEST IT!!! |
---|
2348 | ################## |
---|
2349 | |
---|
2350 | bits = [ 'vertex_coordinates'] |
---|
2351 | |
---|
2352 | for quantity in ['elevation','xmomentum','ymomentum']:#+domain.quantities_to_be_stored: |
---|
2353 | bits.append('quantities["%s"].get_integral()'%quantity) |
---|
2354 | bits.append('get_quantity("%s")'%quantity) |
---|
2355 | |
---|
2356 | for bit in bits: |
---|
2357 | #print bit |
---|
2358 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
2359 | |
---|
2360 | |
---|
2361 | def test_sww2domain2(self): |
---|
2362 | ################################################################## |
---|
2363 | #Same as previous test, but this checks how NaNs are handled. |
---|
2364 | ################################################################## |
---|
2365 | |
---|
2366 | |
---|
2367 | from mesh_factory import rectangular |
---|
2368 | from shallow_water import Domain, Reflective_boundary, Dirichlet_boundary,\ |
---|
2369 | Constant_height, Time_boundary, Transmissive_boundary |
---|
2370 | from Numeric import array |
---|
2371 | |
---|
2372 | #Create basic mesh |
---|
2373 | points, vertices, boundary = rectangular(2,2) |
---|
2374 | |
---|
2375 | #Create shallow water domain |
---|
2376 | domain = Domain(points, vertices, boundary) |
---|
2377 | domain.smooth = False |
---|
2378 | domain.visualise = False |
---|
2379 | domain.store = True |
---|
2380 | domain.filename = 'bedslope' |
---|
2381 | domain.default_order=2 |
---|
2382 | domain.quantities_to_be_stored=['stage'] |
---|
2383 | |
---|
2384 | domain.set_quantity('elevation', lambda x,y: -x/3) |
---|
2385 | domain.set_quantity('friction', 0.1) |
---|
2386 | |
---|
2387 | from math import sin, pi |
---|
2388 | Br = Reflective_boundary(domain) |
---|
2389 | Bt = Transmissive_boundary(domain) |
---|
2390 | Bd = Dirichlet_boundary([0.2,0.,0.]) |
---|
2391 | Bw = Time_boundary(domain=domain, |
---|
2392 | f=lambda t: [(0.1*sin(t*2*pi)), 0.0, 0.0]) |
---|
2393 | |
---|
2394 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
2395 | |
---|
2396 | h = 0.05 |
---|
2397 | elevation = domain.quantities['elevation'].vertex_values |
---|
2398 | domain.set_quantity('stage', elevation + h) |
---|
2399 | |
---|
2400 | domain.check_integrity() |
---|
2401 | |
---|
2402 | for t in domain.evolve(yieldstep = 1, finaltime = 2.0): |
---|
2403 | pass |
---|
2404 | #domain.write_time() |
---|
2405 | |
---|
2406 | |
---|
2407 | |
---|
2408 | ################################## |
---|
2409 | #Import the file as a new domain |
---|
2410 | ################################## |
---|
2411 | from data_manager import sww2domain |
---|
2412 | from Numeric import allclose |
---|
2413 | import os |
---|
2414 | |
---|
2415 | filename = domain.datadir+os.sep+domain.filename+'.sww' |
---|
2416 | |
---|
2417 | #Fail because NaNs are present |
---|
2418 | try: |
---|
2419 | domain2 = sww2domain(filename,boundary,fail_if_NaN=True,verbose=False) |
---|
2420 | assert True == False |
---|
2421 | except: |
---|
2422 | #Now import it, filling NaNs to be 0 |
---|
2423 | filler = 0 |
---|
2424 | domain2 = sww2domain(filename,None,fail_if_NaN=False,NaN_filler = filler,verbose=False) |
---|
2425 | bits = [ 'geo_reference.get_xllcorner()', |
---|
2426 | 'geo_reference.get_yllcorner()', |
---|
2427 | 'vertex_coordinates'] |
---|
2428 | |
---|
2429 | for quantity in ['elevation']+domain.quantities_to_be_stored: |
---|
2430 | bits.append('quantities["%s"].get_integral()'%quantity) |
---|
2431 | bits.append('get_quantity("%s")'%quantity) |
---|
2432 | |
---|
2433 | for bit in bits: |
---|
2434 | # print 'testing that domain.'+bit+' has been restored' |
---|
2435 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
2436 | |
---|
2437 | assert max(max(domain2.get_quantity('xmomentum')))==filler |
---|
2438 | assert min(min(domain2.get_quantity('xmomentum')))==filler |
---|
2439 | assert max(max(domain2.get_quantity('ymomentum')))==filler |
---|
2440 | assert min(min(domain2.get_quantity('ymomentum')))==filler |
---|
2441 | |
---|
2442 | #print 'passed' |
---|
2443 | |
---|
2444 | #cleanup |
---|
2445 | #import os |
---|
2446 | #os.remove(domain.datadir+'/'+domain.filename+'.sww') |
---|
2447 | |
---|
2448 | |
---|
2449 | #def test_weed(self): |
---|
2450 | from data_manager import weed |
---|
2451 | |
---|
2452 | coordinates1 = [[0.,0.],[1.,0.],[1.,1.],[1.,0.],[2.,0.],[1.,1.]] |
---|
2453 | volumes1 = [[0,1,2],[3,4,5]] |
---|
2454 | boundary1= {(0,1): 'external',(1,2): 'not external',(2,0): 'external',(3,4): 'external',(4,5): 'external',(5,3): 'not external'} |
---|
2455 | coordinates2,volumes2,boundary2=weed(coordinates1,volumes1,boundary1) |
---|
2456 | |
---|
2457 | points2 = {(0.,0.):None,(1.,0.):None,(1.,1.):None,(2.,0.):None} |
---|
2458 | |
---|
2459 | assert len(points2)==len(coordinates2) |
---|
2460 | for i in range(len(coordinates2)): |
---|
2461 | coordinate = tuple(coordinates2[i]) |
---|
2462 | assert points2.has_key(coordinate) |
---|
2463 | points2[coordinate]=i |
---|
2464 | |
---|
2465 | for triangle in volumes1: |
---|
2466 | for coordinate in triangle: |
---|
2467 | assert coordinates2[points2[tuple(coordinates1[coordinate])]][0]==coordinates1[coordinate][0] |
---|
2468 | assert coordinates2[points2[tuple(coordinates1[coordinate])]][1]==coordinates1[coordinate][1] |
---|
2469 | |
---|
2470 | |
---|
2471 | #FIXME This fails - smooth makes the comparism too hard for allclose |
---|
2472 | def ztest_sww2domain3(self): |
---|
2473 | ################################################ |
---|
2474 | #DOMAIN.SMOOTH = TRUE !!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
2475 | ################################################ |
---|
2476 | from mesh_factory import rectangular |
---|
2477 | from shallow_water import Domain, Reflective_boundary, Dirichlet_boundary,\ |
---|
2478 | Constant_height, Time_boundary, Transmissive_boundary |
---|
2479 | from Numeric import array |
---|
2480 | #Create basic mesh |
---|
2481 | |
---|
2482 | yiel=0.01 |
---|
2483 | points, vertices, boundary = rectangular(10,10) |
---|
2484 | |
---|
2485 | #Create shallow water domain |
---|
2486 | domain = Domain(points, vertices, boundary) |
---|
2487 | domain.geo_reference = Geo_reference(56,11,11) |
---|
2488 | domain.smooth = True |
---|
2489 | domain.visualise = False |
---|
2490 | domain.store = True |
---|
2491 | domain.filename = 'bedslope' |
---|
2492 | domain.default_order=2 |
---|
2493 | #Bed-slope and friction |
---|
2494 | domain.set_quantity('elevation', lambda x,y: -x/3) |
---|
2495 | domain.set_quantity('friction', 0.1) |
---|
2496 | # Boundary conditions |
---|
2497 | from math import sin, pi |
---|
2498 | Br = Reflective_boundary(domain) |
---|
2499 | Bt = Transmissive_boundary(domain) |
---|
2500 | Bd = Dirichlet_boundary([0.2,0.,0.]) |
---|
2501 | Bw = Time_boundary(domain=domain, |
---|
2502 | f=lambda t: [(0.1*sin(t*2*pi)), 0.0, 0.0]) |
---|
2503 | |
---|
2504 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
2505 | |
---|
2506 | domain.quantities_to_be_stored.extend(['xmomentum','ymomentum']) |
---|
2507 | #Initial condition |
---|
2508 | h = 0.05 |
---|
2509 | elevation = domain.quantities['elevation'].vertex_values |
---|
2510 | domain.set_quantity('stage', elevation + h) |
---|
2511 | #elevation = domain.get_quantity('elevation') |
---|
2512 | #domain.set_quantity('stage', elevation + h) |
---|
2513 | |
---|
2514 | domain.check_integrity() |
---|
2515 | #Evolution |
---|
2516 | for t in domain.evolve(yieldstep = yiel, finaltime = 0.05): |
---|
2517 | # domain.write_time() |
---|
2518 | pass |
---|
2519 | |
---|
2520 | |
---|
2521 | ########################################## |
---|
2522 | #Import the example's file as a new domain |
---|
2523 | ########################################## |
---|
2524 | from data_manager import sww2domain |
---|
2525 | from Numeric import allclose |
---|
2526 | import os |
---|
2527 | |
---|
2528 | filename = domain.datadir+os.sep+domain.filename+'.sww' |
---|
2529 | domain2 = sww2domain(filename,None,fail_if_NaN=False,verbose = False) |
---|
2530 | #points, vertices, boundary = rectangular(15,15) |
---|
2531 | #domain2.boundary = boundary |
---|
2532 | ################### |
---|
2533 | ##NOW TEST IT!!! |
---|
2534 | ################### |
---|
2535 | |
---|
2536 | #FIXME smooth domain so that they can be compared |
---|
2537 | |
---|
2538 | |
---|
2539 | bits = []#'vertex_coordinates'] |
---|
2540 | for quantity in ['elevation']+domain.quantities_to_be_stored: |
---|
2541 | bits.append('quantities["%s"].get_integral()'%quantity) |
---|
2542 | #bits.append('get_quantity("%s")'%quantity) |
---|
2543 | |
---|
2544 | for bit in bits: |
---|
2545 | #print 'testing that domain.'+bit+' has been restored' |
---|
2546 | #print bit |
---|
2547 | #print 'done' |
---|
2548 | #print ('domain.'+bit), eval('domain.'+bit) |
---|
2549 | #print ('domain2.'+bit), eval('domain2.'+bit) |
---|
2550 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit),rtol=1.0e-1,atol=1.e-3) |
---|
2551 | pass |
---|
2552 | |
---|
2553 | ###################################### |
---|
2554 | #Now evolve them both, just to be sure |
---|
2555 | ######################################x |
---|
2556 | visualise = False |
---|
2557 | visualise = True |
---|
2558 | domain.visualise = visualise |
---|
2559 | domain.time = 0. |
---|
2560 | from time import sleep |
---|
2561 | |
---|
2562 | final = .5 |
---|
2563 | domain.set_quantity('friction', 0.1) |
---|
2564 | domain.store = False |
---|
2565 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Br}) |
---|
2566 | |
---|
2567 | for t in domain.evolve(yieldstep = yiel, finaltime = final): |
---|
2568 | if visualise: sleep(.03) |
---|
2569 | #domain.write_time() |
---|
2570 | pass |
---|
2571 | |
---|
2572 | domain2.smooth = True |
---|
2573 | domain2.visualise = visualise |
---|
2574 | domain2.store = False |
---|
2575 | domain2.default_order=2 |
---|
2576 | domain2.set_quantity('friction', 0.1) |
---|
2577 | #Bed-slope and friction |
---|
2578 | # Boundary conditions |
---|
2579 | Bd2=Dirichlet_boundary([0.2,0.,0.]) |
---|
2580 | Br2 = Reflective_boundary(domain2) |
---|
2581 | domain2.boundary = domain.boundary |
---|
2582 | #print 'domain2.boundary' |
---|
2583 | #print domain2.boundary |
---|
2584 | domain2.set_boundary({'left': Bd2, 'right': Bd2, 'top': Bd2, 'bottom': Br2}) |
---|
2585 | #domain2.boundary = domain.boundary |
---|
2586 | #domain2.set_boundary({'exterior': Bd}) |
---|
2587 | |
---|
2588 | domain2.check_integrity() |
---|
2589 | |
---|
2590 | for t in domain2.evolve(yieldstep = yiel, finaltime = final): |
---|
2591 | if visualise: sleep(.03) |
---|
2592 | #domain2.write_time() |
---|
2593 | pass |
---|
2594 | |
---|
2595 | ################### |
---|
2596 | ##NOW TEST IT!!! |
---|
2597 | ################## |
---|
2598 | |
---|
2599 | bits = [ 'vertex_coordinates'] |
---|
2600 | |
---|
2601 | for quantity in ['elevation','xmomentum','ymomentum']:#+domain.quantities_to_be_stored: |
---|
2602 | #bits.append('quantities["%s"].get_integral()'%quantity) |
---|
2603 | bits.append('get_quantity("%s")'%quantity) |
---|
2604 | |
---|
2605 | for bit in bits: |
---|
2606 | print bit |
---|
2607 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
2608 | |
---|
2609 | |
---|
2610 | def test_decimate_dem(self): |
---|
2611 | """Test decimation of dem file |
---|
2612 | """ |
---|
2613 | |
---|
2614 | import os |
---|
2615 | from Numeric import ones, allclose, Float, arange |
---|
2616 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2617 | |
---|
2618 | #Write test dem file |
---|
2619 | root = 'decdemtest' |
---|
2620 | |
---|
2621 | filename = root + '.dem' |
---|
2622 | fid = NetCDFFile(filename, 'w') |
---|
2623 | |
---|
2624 | fid.institution = 'Geoscience Australia' |
---|
2625 | fid.description = 'NetCDF DEM format for compact and portable ' +\ |
---|
2626 | 'storage of spatial point data' |
---|
2627 | |
---|
2628 | nrows = 15 |
---|
2629 | ncols = 18 |
---|
2630 | |
---|
2631 | fid.ncols = ncols |
---|
2632 | fid.nrows = nrows |
---|
2633 | fid.xllcorner = 2000.5 |
---|
2634 | fid.yllcorner = 3000.5 |
---|
2635 | fid.cellsize = 25 |
---|
2636 | fid.NODATA_value = -9999 |
---|
2637 | |
---|
2638 | fid.zone = 56 |
---|
2639 | fid.false_easting = 0.0 |
---|
2640 | fid.false_northing = 0.0 |
---|
2641 | fid.projection = 'UTM' |
---|
2642 | fid.datum = 'WGS84' |
---|
2643 | fid.units = 'METERS' |
---|
2644 | |
---|
2645 | fid.createDimension('number_of_points', nrows*ncols) |
---|
2646 | |
---|
2647 | fid.createVariable('elevation', Float, ('number_of_points',)) |
---|
2648 | |
---|
2649 | elevation = fid.variables['elevation'] |
---|
2650 | |
---|
2651 | elevation[:] = (arange(nrows*ncols)) |
---|
2652 | |
---|
2653 | fid.close() |
---|
2654 | |
---|
2655 | #generate the elevation values expected in the decimated file |
---|
2656 | ref_elevation = [( 0+ 1+ 2+ 18+ 19+ 20+ 36+ 37+ 38) / 9.0, |
---|
2657 | ( 4+ 5+ 6+ 22+ 23+ 24+ 40+ 41+ 42) / 9.0, |
---|
2658 | ( 8+ 9+ 10+ 26+ 27+ 28+ 44+ 45+ 46) / 9.0, |
---|
2659 | ( 12+ 13+ 14+ 30+ 31+ 32+ 48+ 49+ 50) / 9.0, |
---|
2660 | ( 72+ 73+ 74+ 90+ 91+ 92+108+109+110) / 9.0, |
---|
2661 | ( 76+ 77+ 78+ 94+ 95+ 96+112+113+114) / 9.0, |
---|
2662 | ( 80+ 81+ 82+ 98+ 99+100+116+117+118) / 9.0, |
---|
2663 | ( 84+ 85+ 86+102+103+104+120+121+122) / 9.0, |
---|
2664 | (144+145+146+162+163+164+180+181+182) / 9.0, |
---|
2665 | (148+149+150+166+167+168+184+185+186) / 9.0, |
---|
2666 | (152+153+154+170+171+172+188+189+190) / 9.0, |
---|
2667 | (156+157+158+174+175+176+192+193+194) / 9.0, |
---|
2668 | (216+217+218+234+235+236+252+253+254) / 9.0, |
---|
2669 | (220+221+222+238+239+240+256+257+258) / 9.0, |
---|
2670 | (224+225+226+242+243+244+260+261+262) / 9.0, |
---|
2671 | (228+229+230+246+247+248+264+265+266) / 9.0] |
---|
2672 | |
---|
2673 | #generate a stencil for computing the decimated values |
---|
2674 | stencil = ones((3,3), Float) / 9.0 |
---|
2675 | |
---|
2676 | decimate_dem(root, stencil=stencil, cellsize_new=100) |
---|
2677 | |
---|
2678 | #Open decimated NetCDF file |
---|
2679 | fid = NetCDFFile(root + '_100.dem', 'r') |
---|
2680 | |
---|
2681 | # Get decimated elevation |
---|
2682 | elevation = fid.variables['elevation'] |
---|
2683 | |
---|
2684 | #Check values |
---|
2685 | assert allclose(elevation, ref_elevation) |
---|
2686 | |
---|
2687 | #Cleanup |
---|
2688 | fid.close() |
---|
2689 | |
---|
2690 | os.remove(root + '.dem') |
---|
2691 | os.remove(root + '_100.dem') |
---|
2692 | |
---|
2693 | def test_decimate_dem_NODATA(self): |
---|
2694 | """Test decimation of dem file that includes NODATA values |
---|
2695 | """ |
---|
2696 | |
---|
2697 | import os |
---|
2698 | from Numeric import ones, allclose, Float, arange, reshape |
---|
2699 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2700 | |
---|
2701 | #Write test dem file |
---|
2702 | root = 'decdemtest' |
---|
2703 | |
---|
2704 | filename = root + '.dem' |
---|
2705 | fid = NetCDFFile(filename, 'w') |
---|
2706 | |
---|
2707 | fid.institution = 'Geoscience Australia' |
---|
2708 | fid.description = 'NetCDF DEM format for compact and portable ' +\ |
---|
2709 | 'storage of spatial point data' |
---|
2710 | |
---|
2711 | nrows = 15 |
---|
2712 | ncols = 18 |
---|
2713 | NODATA_value = -9999 |
---|
2714 | |
---|
2715 | fid.ncols = ncols |
---|
2716 | fid.nrows = nrows |
---|
2717 | fid.xllcorner = 2000.5 |
---|
2718 | fid.yllcorner = 3000.5 |
---|
2719 | fid.cellsize = 25 |
---|
2720 | fid.NODATA_value = NODATA_value |
---|
2721 | |
---|
2722 | fid.zone = 56 |
---|
2723 | fid.false_easting = 0.0 |
---|
2724 | fid.false_northing = 0.0 |
---|
2725 | fid.projection = 'UTM' |
---|
2726 | fid.datum = 'WGS84' |
---|
2727 | fid.units = 'METERS' |
---|
2728 | |
---|
2729 | fid.createDimension('number_of_points', nrows*ncols) |
---|
2730 | |
---|
2731 | fid.createVariable('elevation', Float, ('number_of_points',)) |
---|
2732 | |
---|
2733 | elevation = fid.variables['elevation'] |
---|
2734 | |
---|
2735 | #generate initial elevation values |
---|
2736 | elevation_tmp = (arange(nrows*ncols)) |
---|
2737 | #add some NODATA values |
---|
2738 | elevation_tmp[0] = NODATA_value |
---|
2739 | elevation_tmp[95] = NODATA_value |
---|
2740 | elevation_tmp[188] = NODATA_value |
---|
2741 | elevation_tmp[189] = NODATA_value |
---|
2742 | elevation_tmp[190] = NODATA_value |
---|
2743 | elevation_tmp[209] = NODATA_value |
---|
2744 | elevation_tmp[252] = NODATA_value |
---|
2745 | |
---|
2746 | elevation[:] = elevation_tmp |
---|
2747 | |
---|
2748 | fid.close() |
---|
2749 | |
---|
2750 | #generate the elevation values expected in the decimated file |
---|
2751 | ref_elevation = [NODATA_value, |
---|
2752 | ( 4+ 5+ 6+ 22+ 23+ 24+ 40+ 41+ 42) / 9.0, |
---|
2753 | ( 8+ 9+ 10+ 26+ 27+ 28+ 44+ 45+ 46) / 9.0, |
---|
2754 | ( 12+ 13+ 14+ 30+ 31+ 32+ 48+ 49+ 50) / 9.0, |
---|
2755 | ( 72+ 73+ 74+ 90+ 91+ 92+108+109+110) / 9.0, |
---|
2756 | NODATA_value, |
---|
2757 | ( 80+ 81+ 82+ 98+ 99+100+116+117+118) / 9.0, |
---|
2758 | ( 84+ 85+ 86+102+103+104+120+121+122) / 9.0, |
---|
2759 | (144+145+146+162+163+164+180+181+182) / 9.0, |
---|
2760 | (148+149+150+166+167+168+184+185+186) / 9.0, |
---|
2761 | NODATA_value, |
---|
2762 | (156+157+158+174+175+176+192+193+194) / 9.0, |
---|
2763 | NODATA_value, |
---|
2764 | (220+221+222+238+239+240+256+257+258) / 9.0, |
---|
2765 | (224+225+226+242+243+244+260+261+262) / 9.0, |
---|
2766 | (228+229+230+246+247+248+264+265+266) / 9.0] |
---|
2767 | |
---|
2768 | #generate a stencil for computing the decimated values |
---|
2769 | stencil = ones((3,3), Float) / 9.0 |
---|
2770 | |
---|
2771 | decimate_dem(root, stencil=stencil, cellsize_new=100) |
---|
2772 | |
---|
2773 | #Open decimated NetCDF file |
---|
2774 | fid = NetCDFFile(root + '_100.dem', 'r') |
---|
2775 | |
---|
2776 | # Get decimated elevation |
---|
2777 | elevation = fid.variables['elevation'] |
---|
2778 | |
---|
2779 | #Check values |
---|
2780 | assert allclose(elevation, ref_elevation) |
---|
2781 | |
---|
2782 | #Cleanup |
---|
2783 | fid.close() |
---|
2784 | |
---|
2785 | os.remove(root + '.dem') |
---|
2786 | os.remove(root + '_100.dem') |
---|
2787 | |
---|
2788 | def xxxtestz_sww2ers_real(self): |
---|
2789 | """Test that sww information can be converted correctly to asc/prj |
---|
2790 | format readable by e.g. ArcView |
---|
2791 | """ |
---|
2792 | |
---|
2793 | import time, os |
---|
2794 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
2795 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2796 | |
---|
2797 | # the memory optimised least squares |
---|
2798 | # cellsize = 20, # this one seems to hang |
---|
2799 | # cellsize = 200000, # Ran 1 test in 269.703s |
---|
2800 | #Ran 1 test in 267.344s |
---|
2801 | # cellsize = 20000, # Ran 1 test in 460.922s |
---|
2802 | # cellsize = 2000 #Ran 1 test in 5340.250s |
---|
2803 | # cellsize = 200 #this one seems to hang, building matirx A |
---|
2804 | |
---|
2805 | # not optimised |
---|
2806 | # seems to hang |
---|
2807 | # cellsize = 2000 # Ran 1 test in 5334.563s |
---|
2808 | #Export to ascii/prj files |
---|
2809 | sww2dem('karratha_100m', |
---|
2810 | quantity = 'depth', |
---|
2811 | cellsize = 200000, |
---|
2812 | verbose = True) |
---|
2813 | |
---|
2814 | def test_read_asc(self): |
---|
2815 | """Test conversion from dem in ascii format to native NetCDF xya format |
---|
2816 | """ |
---|
2817 | |
---|
2818 | import time, os |
---|
2819 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
2820 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2821 | |
---|
2822 | import data_manager |
---|
2823 | #Write test asc file |
---|
2824 | filename = tempfile.mktemp(".000") |
---|
2825 | fid = open(filename, 'w') |
---|
2826 | fid.write("""ncols 7 |
---|
2827 | nrows 4 |
---|
2828 | xllcorner 2000.5 |
---|
2829 | yllcorner 3000.5 |
---|
2830 | cellsize 25 |
---|
2831 | NODATA_value -9999 |
---|
2832 | 97.921 99.285 125.588 180.830 258.645 342.872 415.836 |
---|
2833 | 473.157 514.391 553.893 607.120 678.125 777.283 883.038 |
---|
2834 | 984.494 1040.349 1008.161 900.738 730.882 581.430 514.980 |
---|
2835 | 502.645 516.230 504.739 450.604 388.500 338.097 514.980 |
---|
2836 | """) |
---|
2837 | fid.close() |
---|
2838 | bath_metadata, grid = \ |
---|
2839 | data_manager._read_asc(filename, verbose=False) |
---|
2840 | self.failUnless(bath_metadata['xllcorner'] == 2000.5, 'Failed') |
---|
2841 | self.failUnless(bath_metadata['yllcorner'] == 3000.5, 'Failed') |
---|
2842 | self.failUnless(bath_metadata['cellsize'] == 25, 'Failed') |
---|
2843 | self.failUnless(bath_metadata['NODATA_value'] == -9999, 'Failed') |
---|
2844 | self.failUnless(grid[0][0] == 97.921, 'Failed') |
---|
2845 | self.failUnless(grid[3][6] == 514.980, 'Failed') |
---|
2846 | |
---|
2847 | os.remove(filename) |
---|
2848 | |
---|
2849 | def test_asc_csiro2sww(self): |
---|
2850 | import tempfile |
---|
2851 | |
---|
2852 | bath_dir = tempfile.mkdtemp() |
---|
2853 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
2854 | #bath_dir = 'bath_data_manager_test' |
---|
2855 | #print "os.getcwd( )",os.getcwd( ) |
---|
2856 | elevation_dir = tempfile.mkdtemp() |
---|
2857 | #elevation_dir = 'elev_expanded' |
---|
2858 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
2859 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
2860 | |
---|
2861 | fid = open(bath_dir_filename, 'w') |
---|
2862 | fid.write(""" ncols 3 |
---|
2863 | nrows 2 |
---|
2864 | xllcorner 148.00000 |
---|
2865 | yllcorner -38.00000 |
---|
2866 | cellsize 0.25 |
---|
2867 | nodata_value -9999.0 |
---|
2868 | 9000.000 -1000.000 3000.0 |
---|
2869 | -1000.000 9000.000 -1000.000 |
---|
2870 | """) |
---|
2871 | fid.close() |
---|
2872 | |
---|
2873 | fid = open(elevation_dir_filename1, 'w') |
---|
2874 | fid.write(""" ncols 3 |
---|
2875 | nrows 2 |
---|
2876 | xllcorner 148.00000 |
---|
2877 | yllcorner -38.00000 |
---|
2878 | cellsize 0.25 |
---|
2879 | nodata_value -9999.0 |
---|
2880 | 9000.000 0.000 3000.0 |
---|
2881 | 0.000 9000.000 0.000 |
---|
2882 | """) |
---|
2883 | fid.close() |
---|
2884 | |
---|
2885 | fid = open(elevation_dir_filename2, 'w') |
---|
2886 | fid.write(""" ncols 3 |
---|
2887 | nrows 2 |
---|
2888 | xllcorner 148.00000 |
---|
2889 | yllcorner -38.00000 |
---|
2890 | cellsize 0.25 |
---|
2891 | nodata_value -9999.0 |
---|
2892 | 9000.000 4000.000 4000.0 |
---|
2893 | 4000.000 9000.000 4000.000 |
---|
2894 | """) |
---|
2895 | fid.close() |
---|
2896 | |
---|
2897 | ucur_dir = tempfile.mkdtemp() |
---|
2898 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
2899 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
2900 | |
---|
2901 | fid = open(ucur_dir_filename1, 'w') |
---|
2902 | fid.write(""" ncols 3 |
---|
2903 | nrows 2 |
---|
2904 | xllcorner 148.00000 |
---|
2905 | yllcorner -38.00000 |
---|
2906 | cellsize 0.25 |
---|
2907 | nodata_value -9999.0 |
---|
2908 | 90.000 60.000 30.0 |
---|
2909 | 10.000 10.000 10.000 |
---|
2910 | """) |
---|
2911 | fid.close() |
---|
2912 | fid = open(ucur_dir_filename2, 'w') |
---|
2913 | fid.write(""" ncols 3 |
---|
2914 | nrows 2 |
---|
2915 | xllcorner 148.00000 |
---|
2916 | yllcorner -38.00000 |
---|
2917 | cellsize 0.25 |
---|
2918 | nodata_value -9999.0 |
---|
2919 | 90.000 60.000 30.0 |
---|
2920 | 10.000 10.000 10.000 |
---|
2921 | """) |
---|
2922 | fid.close() |
---|
2923 | |
---|
2924 | vcur_dir = tempfile.mkdtemp() |
---|
2925 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
2926 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
2927 | |
---|
2928 | fid = open(vcur_dir_filename1, 'w') |
---|
2929 | fid.write(""" ncols 3 |
---|
2930 | nrows 2 |
---|
2931 | xllcorner 148.00000 |
---|
2932 | yllcorner -38.00000 |
---|
2933 | cellsize 0.25 |
---|
2934 | nodata_value -9999.0 |
---|
2935 | 90.000 60.000 30.0 |
---|
2936 | 10.000 10.000 10.000 |
---|
2937 | """) |
---|
2938 | fid.close() |
---|
2939 | fid = open(vcur_dir_filename2, 'w') |
---|
2940 | fid.write(""" ncols 3 |
---|
2941 | nrows 2 |
---|
2942 | xllcorner 148.00000 |
---|
2943 | yllcorner -38.00000 |
---|
2944 | cellsize 0.25 |
---|
2945 | nodata_value -9999.0 |
---|
2946 | 90.000 60.000 30.0 |
---|
2947 | 10.000 10.000 10.000 |
---|
2948 | """) |
---|
2949 | fid.close() |
---|
2950 | |
---|
2951 | sww_file = 'a_test.sww' |
---|
2952 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, vcur_dir, sww_file) |
---|
2953 | |
---|
2954 | # check the sww file |
---|
2955 | |
---|
2956 | fid = NetCDFFile(sww_file, 'r') #Open existing file for read |
---|
2957 | x = fid.variables['x'][:] |
---|
2958 | y = fid.variables['y'][:] |
---|
2959 | z = fid.variables['z'][:] |
---|
2960 | stage = fid.variables['stage'][:] |
---|
2961 | xmomentum = fid.variables['xmomentum'][:] |
---|
2962 | geo_ref = Geo_reference(NetCDFObject=fid) |
---|
2963 | #print "geo_ref",geo_ref |
---|
2964 | x_ref = geo_ref.get_xllcorner() |
---|
2965 | y_ref = geo_ref.get_yllcorner() |
---|
2966 | self.failUnless(geo_ref.get_zone() == 55, 'Failed') |
---|
2967 | assert allclose(x_ref, 587798.418) # (-38, 148) |
---|
2968 | assert allclose(y_ref, 5793123.477)# (-38, 148.5) |
---|
2969 | |
---|
2970 | #Zone: 55 |
---|
2971 | #Easting: 588095.674 Northing: 5821451.722 |
---|
2972 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 0 ' 0.00000 '' |
---|
2973 | assert allclose((x[0],y[0]), (588095.674 - x_ref, 5821451.722 - y_ref)) |
---|
2974 | |
---|
2975 | #Zone: 55 |
---|
2976 | #Easting: 632145.632 Northing: 5820863.269 |
---|
2977 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
2978 | assert allclose((x[2],y[2]), (632145.632 - x_ref, 5820863.269 - y_ref)) |
---|
2979 | |
---|
2980 | #Zone: 55 |
---|
2981 | #Easting: 609748.788 Northing: 5793447.860 |
---|
2982 | #Latitude: -38 0 ' 0.00000 '' Longitude: 148 15 ' 0.00000 '' |
---|
2983 | assert allclose((x[4],y[4]), (609748.788 - x_ref, 5793447.86 - y_ref)) |
---|
2984 | |
---|
2985 | assert allclose(z[0],9000.0 ) |
---|
2986 | assert allclose(stage[0][1],0.0 ) |
---|
2987 | |
---|
2988 | #(4000+1000)*60 |
---|
2989 | assert allclose(xmomentum[1][1],300000.0 ) |
---|
2990 | |
---|
2991 | |
---|
2992 | fid.close() |
---|
2993 | |
---|
2994 | #tidy up |
---|
2995 | os.remove(bath_dir_filename) |
---|
2996 | os.rmdir(bath_dir) |
---|
2997 | |
---|
2998 | os.remove(elevation_dir_filename1) |
---|
2999 | os.remove(elevation_dir_filename2) |
---|
3000 | os.rmdir(elevation_dir) |
---|
3001 | |
---|
3002 | os.remove(ucur_dir_filename1) |
---|
3003 | os.remove(ucur_dir_filename2) |
---|
3004 | os.rmdir(ucur_dir) |
---|
3005 | |
---|
3006 | os.remove(vcur_dir_filename1) |
---|
3007 | os.remove(vcur_dir_filename2) |
---|
3008 | os.rmdir(vcur_dir) |
---|
3009 | |
---|
3010 | |
---|
3011 | # remove sww file |
---|
3012 | os.remove(sww_file) |
---|
3013 | |
---|
3014 | def test_asc_csiro2sww2(self): |
---|
3015 | import tempfile |
---|
3016 | |
---|
3017 | bath_dir = tempfile.mkdtemp() |
---|
3018 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
3019 | #bath_dir = 'bath_data_manager_test' |
---|
3020 | #print "os.getcwd( )",os.getcwd( ) |
---|
3021 | elevation_dir = tempfile.mkdtemp() |
---|
3022 | #elevation_dir = 'elev_expanded' |
---|
3023 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
3024 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
3025 | |
---|
3026 | fid = open(bath_dir_filename, 'w') |
---|
3027 | fid.write(""" ncols 3 |
---|
3028 | nrows 2 |
---|
3029 | xllcorner 148.00000 |
---|
3030 | yllcorner -38.00000 |
---|
3031 | cellsize 0.25 |
---|
3032 | nodata_value -9999.0 |
---|
3033 | 9000.000 -1000.000 3000.0 |
---|
3034 | -1000.000 9000.000 -1000.000 |
---|
3035 | """) |
---|
3036 | fid.close() |
---|
3037 | |
---|
3038 | fid = open(elevation_dir_filename1, 'w') |
---|
3039 | fid.write(""" ncols 3 |
---|
3040 | nrows 2 |
---|
3041 | xllcorner 148.00000 |
---|
3042 | yllcorner -38.00000 |
---|
3043 | cellsize 0.25 |
---|
3044 | nodata_value -9999.0 |
---|
3045 | 9000.000 0.000 3000.0 |
---|
3046 | 0.000 -9999.000 -9999.000 |
---|
3047 | """) |
---|
3048 | fid.close() |
---|
3049 | |
---|
3050 | fid = open(elevation_dir_filename2, 'w') |
---|
3051 | fid.write(""" ncols 3 |
---|
3052 | nrows 2 |
---|
3053 | xllcorner 148.00000 |
---|
3054 | yllcorner -38.00000 |
---|
3055 | cellsize 0.25 |
---|
3056 | nodata_value -9999.0 |
---|
3057 | 9000.000 4000.000 4000.0 |
---|
3058 | 4000.000 9000.000 4000.000 |
---|
3059 | """) |
---|
3060 | fid.close() |
---|
3061 | |
---|
3062 | ucur_dir = tempfile.mkdtemp() |
---|
3063 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
3064 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
3065 | |
---|
3066 | fid = open(ucur_dir_filename1, 'w') |
---|
3067 | fid.write(""" ncols 3 |
---|
3068 | nrows 2 |
---|
3069 | xllcorner 148.00000 |
---|
3070 | yllcorner -38.00000 |
---|
3071 | cellsize 0.25 |
---|
3072 | nodata_value -9999.0 |
---|
3073 | 90.000 60.000 30.0 |
---|
3074 | 10.000 10.000 10.000 |
---|
3075 | """) |
---|
3076 | fid.close() |
---|
3077 | fid = open(ucur_dir_filename2, 'w') |
---|
3078 | fid.write(""" ncols 3 |
---|
3079 | nrows 2 |
---|
3080 | xllcorner 148.00000 |
---|
3081 | yllcorner -38.00000 |
---|
3082 | cellsize 0.25 |
---|
3083 | nodata_value -9999.0 |
---|
3084 | 90.000 60.000 30.0 |
---|
3085 | 10.000 10.000 10.000 |
---|
3086 | """) |
---|
3087 | fid.close() |
---|
3088 | |
---|
3089 | vcur_dir = tempfile.mkdtemp() |
---|
3090 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
3091 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
3092 | |
---|
3093 | fid = open(vcur_dir_filename1, 'w') |
---|
3094 | fid.write(""" ncols 3 |
---|
3095 | nrows 2 |
---|
3096 | xllcorner 148.00000 |
---|
3097 | yllcorner -38.00000 |
---|
3098 | cellsize 0.25 |
---|
3099 | nodata_value -9999.0 |
---|
3100 | 90.000 60.000 30.0 |
---|
3101 | 10.000 10.000 10.000 |
---|
3102 | """) |
---|
3103 | fid.close() |
---|
3104 | fid = open(vcur_dir_filename2, 'w') |
---|
3105 | fid.write(""" ncols 3 |
---|
3106 | nrows 2 |
---|
3107 | xllcorner 148.00000 |
---|
3108 | yllcorner -38.00000 |
---|
3109 | cellsize 0.25 |
---|
3110 | nodata_value -9999.0 |
---|
3111 | 90.000 60.000 30.0 |
---|
3112 | 10.000 10.000 10.000 |
---|
3113 | """) |
---|
3114 | fid.close() |
---|
3115 | |
---|
3116 | try: |
---|
3117 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, |
---|
3118 | vcur_dir, sww_file) |
---|
3119 | except: |
---|
3120 | #tidy up |
---|
3121 | os.remove(bath_dir_filename) |
---|
3122 | os.rmdir(bath_dir) |
---|
3123 | |
---|
3124 | os.remove(elevation_dir_filename1) |
---|
3125 | os.remove(elevation_dir_filename2) |
---|
3126 | os.rmdir(elevation_dir) |
---|
3127 | |
---|
3128 | os.remove(ucur_dir_filename1) |
---|
3129 | os.remove(ucur_dir_filename2) |
---|
3130 | os.rmdir(ucur_dir) |
---|
3131 | |
---|
3132 | os.remove(vcur_dir_filename1) |
---|
3133 | os.remove(vcur_dir_filename2) |
---|
3134 | os.rmdir(vcur_dir) |
---|
3135 | else: |
---|
3136 | #tidy up |
---|
3137 | os.remove(bath_dir_filename) |
---|
3138 | os.rmdir(bath_dir) |
---|
3139 | |
---|
3140 | os.remove(elevation_dir_filename1) |
---|
3141 | os.remove(elevation_dir_filename2) |
---|
3142 | os.rmdir(elevation_dir) |
---|
3143 | raise 'Should raise exception' |
---|
3144 | |
---|
3145 | os.remove(ucur_dir_filename1) |
---|
3146 | os.remove(ucur_dir_filename2) |
---|
3147 | os.rmdir(ucur_dir) |
---|
3148 | |
---|
3149 | os.remove(vcur_dir_filename1) |
---|
3150 | os.remove(vcur_dir_filename2) |
---|
3151 | os.rmdir(vcur_dir) |
---|
3152 | |
---|
3153 | |
---|
3154 | |
---|
3155 | def test_asc_csiro2sww3(self): |
---|
3156 | import tempfile |
---|
3157 | |
---|
3158 | bath_dir = tempfile.mkdtemp() |
---|
3159 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
3160 | #bath_dir = 'bath_data_manager_test' |
---|
3161 | #print "os.getcwd( )",os.getcwd( ) |
---|
3162 | elevation_dir = tempfile.mkdtemp() |
---|
3163 | #elevation_dir = 'elev_expanded' |
---|
3164 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
3165 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
3166 | |
---|
3167 | fid = open(bath_dir_filename, 'w') |
---|
3168 | fid.write(""" ncols 3 |
---|
3169 | nrows 2 |
---|
3170 | xllcorner 148.00000 |
---|
3171 | yllcorner -38.00000 |
---|
3172 | cellsize 0.25 |
---|
3173 | nodata_value -9999.0 |
---|
3174 | 9000.000 -1000.000 3000.0 |
---|
3175 | -1000.000 9000.000 -1000.000 |
---|
3176 | """) |
---|
3177 | fid.close() |
---|
3178 | |
---|
3179 | fid = open(elevation_dir_filename1, 'w') |
---|
3180 | fid.write(""" ncols 3 |
---|
3181 | nrows 2 |
---|
3182 | xllcorner 148.00000 |
---|
3183 | yllcorner -38.00000 |
---|
3184 | cellsize 0.25 |
---|
3185 | nodata_value -9999.0 |
---|
3186 | 9000.000 0.000 3000.0 |
---|
3187 | 0.000 -9999.000 -9999.000 |
---|
3188 | """) |
---|
3189 | fid.close() |
---|
3190 | |
---|
3191 | fid = open(elevation_dir_filename2, 'w') |
---|
3192 | fid.write(""" ncols 3 |
---|
3193 | nrows 2 |
---|
3194 | xllcorner 148.00000 |
---|
3195 | yllcorner -38.00000 |
---|
3196 | cellsize 0.25 |
---|
3197 | nodata_value -9999.0 |
---|
3198 | 9000.000 4000.000 4000.0 |
---|
3199 | 4000.000 9000.000 4000.000 |
---|
3200 | """) |
---|
3201 | fid.close() |
---|
3202 | |
---|
3203 | ucur_dir = tempfile.mkdtemp() |
---|
3204 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
3205 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
3206 | |
---|
3207 | fid = open(ucur_dir_filename1, 'w') |
---|
3208 | fid.write(""" ncols 3 |
---|
3209 | nrows 2 |
---|
3210 | xllcorner 148.00000 |
---|
3211 | yllcorner -38.00000 |
---|
3212 | cellsize 0.25 |
---|
3213 | nodata_value -9999.0 |
---|
3214 | 90.000 60.000 30.0 |
---|
3215 | 10.000 10.000 10.000 |
---|
3216 | """) |
---|
3217 | fid.close() |
---|
3218 | fid = open(ucur_dir_filename2, 'w') |
---|
3219 | fid.write(""" ncols 3 |
---|
3220 | nrows 2 |
---|
3221 | xllcorner 148.00000 |
---|
3222 | yllcorner -38.00000 |
---|
3223 | cellsize 0.25 |
---|
3224 | nodata_value -9999.0 |
---|
3225 | 90.000 60.000 30.0 |
---|
3226 | 10.000 10.000 10.000 |
---|
3227 | """) |
---|
3228 | fid.close() |
---|
3229 | |
---|
3230 | vcur_dir = tempfile.mkdtemp() |
---|
3231 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
3232 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
3233 | |
---|
3234 | fid = open(vcur_dir_filename1, 'w') |
---|
3235 | fid.write(""" ncols 3 |
---|
3236 | nrows 2 |
---|
3237 | xllcorner 148.00000 |
---|
3238 | yllcorner -38.00000 |
---|
3239 | cellsize 0.25 |
---|
3240 | nodata_value -9999.0 |
---|
3241 | 90.000 60.000 30.0 |
---|
3242 | 10.000 10.000 10.000 |
---|
3243 | """) |
---|
3244 | fid.close() |
---|
3245 | fid = open(vcur_dir_filename2, 'w') |
---|
3246 | fid.write(""" ncols 3 |
---|
3247 | nrows 2 |
---|
3248 | xllcorner 148.00000 |
---|
3249 | yllcorner -38.00000 |
---|
3250 | cellsize 0.25 |
---|
3251 | nodata_value -9999.0 |
---|
3252 | 90.000 60.000 30.0 |
---|
3253 | 10.000 10.000 10.000 |
---|
3254 | """) |
---|
3255 | fid.close() |
---|
3256 | |
---|
3257 | sww_file = 'a_test.sww' |
---|
3258 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, vcur_dir, |
---|
3259 | sww_file, fail_on_NaN = False, elevation_NaN_filler = 0, |
---|
3260 | mean_stage = 100) |
---|
3261 | |
---|
3262 | # check the sww file |
---|
3263 | |
---|
3264 | fid = NetCDFFile(sww_file, 'r') #Open existing file for read |
---|
3265 | x = fid.variables['x'][:] |
---|
3266 | y = fid.variables['y'][:] |
---|
3267 | z = fid.variables['z'][:] |
---|
3268 | stage = fid.variables['stage'][:] |
---|
3269 | xmomentum = fid.variables['xmomentum'][:] |
---|
3270 | geo_ref = Geo_reference(NetCDFObject=fid) |
---|
3271 | #print "geo_ref",geo_ref |
---|
3272 | x_ref = geo_ref.get_xllcorner() |
---|
3273 | y_ref = geo_ref.get_yllcorner() |
---|
3274 | self.failUnless(geo_ref.get_zone() == 55, 'Failed') |
---|
3275 | assert allclose(x_ref, 587798.418) # (-38, 148) |
---|
3276 | assert allclose(y_ref, 5793123.477)# (-38, 148.5) |
---|
3277 | |
---|
3278 | #Zone: 55 |
---|
3279 | #Easting: 588095.674 Northing: 5821451.722 |
---|
3280 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 0 ' 0.00000 '' |
---|
3281 | assert allclose((x[0],y[0]), (588095.674 - x_ref, 5821451.722 - y_ref)) |
---|
3282 | |
---|
3283 | #Zone: 55 |
---|
3284 | #Easting: 632145.632 Northing: 5820863.269 |
---|
3285 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
3286 | assert allclose((x[2],y[2]), (632145.632 - x_ref, 5820863.269 - y_ref)) |
---|
3287 | |
---|
3288 | #Zone: 55 |
---|
3289 | #Easting: 609748.788 Northing: 5793447.860 |
---|
3290 | #Latitude: -38 0 ' 0.00000 '' Longitude: 148 15 ' 0.00000 '' |
---|
3291 | assert allclose((x[4],y[4]), (609748.788 - x_ref, 5793447.86 - y_ref)) |
---|
3292 | |
---|
3293 | assert allclose(z[0],9000.0 ) |
---|
3294 | assert allclose(stage[0][4],100.0 ) |
---|
3295 | assert allclose(stage[0][5],100.0 ) |
---|
3296 | |
---|
3297 | #(100.0 - 9000)*10 |
---|
3298 | assert allclose(xmomentum[0][4], -89000.0 ) |
---|
3299 | |
---|
3300 | #(100.0 - -1000.000)*10 |
---|
3301 | assert allclose(xmomentum[0][5], 11000.0 ) |
---|
3302 | |
---|
3303 | fid.close() |
---|
3304 | |
---|
3305 | #tidy up |
---|
3306 | os.remove(bath_dir_filename) |
---|
3307 | os.rmdir(bath_dir) |
---|
3308 | |
---|
3309 | os.remove(elevation_dir_filename1) |
---|
3310 | os.remove(elevation_dir_filename2) |
---|
3311 | os.rmdir(elevation_dir) |
---|
3312 | |
---|
3313 | os.remove(ucur_dir_filename1) |
---|
3314 | os.remove(ucur_dir_filename2) |
---|
3315 | os.rmdir(ucur_dir) |
---|
3316 | |
---|
3317 | os.remove(vcur_dir_filename1) |
---|
3318 | os.remove(vcur_dir_filename2) |
---|
3319 | os.rmdir(vcur_dir) |
---|
3320 | |
---|
3321 | # remove sww file |
---|
3322 | os.remove(sww_file) |
---|
3323 | |
---|
3324 | |
---|
3325 | def test_asc_csiro2sww4(self): |
---|
3326 | """ |
---|
3327 | Test specifying the extent |
---|
3328 | """ |
---|
3329 | |
---|
3330 | import tempfile |
---|
3331 | |
---|
3332 | bath_dir = tempfile.mkdtemp() |
---|
3333 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
3334 | #bath_dir = 'bath_data_manager_test' |
---|
3335 | #print "os.getcwd( )",os.getcwd( ) |
---|
3336 | elevation_dir = tempfile.mkdtemp() |
---|
3337 | #elevation_dir = 'elev_expanded' |
---|
3338 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
3339 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
3340 | |
---|
3341 | fid = open(bath_dir_filename, 'w') |
---|
3342 | fid.write(""" ncols 4 |
---|
3343 | nrows 4 |
---|
3344 | xllcorner 148.00000 |
---|
3345 | yllcorner -38.00000 |
---|
3346 | cellsize 0.25 |
---|
3347 | nodata_value -9999.0 |
---|
3348 | -9000.000 -1000.000 -3000.0 -2000.000 |
---|
3349 | -1000.000 9000.000 -1000.000 -3000.000 |
---|
3350 | -4000.000 6000.000 2000.000 -5000.000 |
---|
3351 | -9000.000 -1000.000 -3000.0 -2000.000 |
---|
3352 | """) |
---|
3353 | fid.close() |
---|
3354 | |
---|
3355 | fid = open(elevation_dir_filename1, 'w') |
---|
3356 | fid.write(""" ncols 4 |
---|
3357 | nrows 4 |
---|
3358 | xllcorner 148.00000 |
---|
3359 | yllcorner -38.00000 |
---|
3360 | cellsize 0.25 |
---|
3361 | nodata_value -9999.0 |
---|
3362 | -900.000 -100.000 -300.0 -200.000 |
---|
3363 | -100.000 900.000 -100.000 -300.000 |
---|
3364 | -400.000 600.000 200.000 -500.000 |
---|
3365 | -900.000 -100.000 -300.0 -200.000 |
---|
3366 | """) |
---|
3367 | fid.close() |
---|
3368 | |
---|
3369 | fid = open(elevation_dir_filename2, 'w') |
---|
3370 | fid.write(""" ncols 4 |
---|
3371 | nrows 4 |
---|
3372 | xllcorner 148.00000 |
---|
3373 | yllcorner -38.00000 |
---|
3374 | cellsize 0.25 |
---|
3375 | nodata_value -9999.0 |
---|
3376 | -990.000 -110.000 -330.0 -220.000 |
---|
3377 | -110.000 990.000 -110.000 -330.000 |
---|
3378 | -440.000 660.000 220.000 -550.000 |
---|
3379 | -990.000 -110.000 -330.0 -220.000 |
---|
3380 | """) |
---|
3381 | fid.close() |
---|
3382 | |
---|
3383 | ucur_dir = tempfile.mkdtemp() |
---|
3384 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
3385 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
3386 | |
---|
3387 | fid = open(ucur_dir_filename1, 'w') |
---|
3388 | fid.write(""" ncols 4 |
---|
3389 | nrows 4 |
---|
3390 | xllcorner 148.00000 |
---|
3391 | yllcorner -38.00000 |
---|
3392 | cellsize 0.25 |
---|
3393 | nodata_value -9999.0 |
---|
3394 | -90.000 -10.000 -30.0 -20.000 |
---|
3395 | -10.000 90.000 -10.000 -30.000 |
---|
3396 | -40.000 60.000 20.000 -50.000 |
---|
3397 | -90.000 -10.000 -30.0 -20.000 |
---|
3398 | """) |
---|
3399 | fid.close() |
---|
3400 | fid = open(ucur_dir_filename2, 'w') |
---|
3401 | fid.write(""" ncols 4 |
---|
3402 | nrows 4 |
---|
3403 | xllcorner 148.00000 |
---|
3404 | yllcorner -38.00000 |
---|
3405 | cellsize 0.25 |
---|
3406 | nodata_value -9999.0 |
---|
3407 | -90.000 -10.000 -30.0 -20.000 |
---|
3408 | -10.000 99.000 -11.000 -30.000 |
---|
3409 | -40.000 66.000 22.000 -50.000 |
---|
3410 | -90.000 -10.000 -30.0 -20.000 |
---|
3411 | """) |
---|
3412 | fid.close() |
---|
3413 | |
---|
3414 | vcur_dir = tempfile.mkdtemp() |
---|
3415 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
3416 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
3417 | |
---|
3418 | fid = open(vcur_dir_filename1, 'w') |
---|
3419 | fid.write(""" ncols 4 |
---|
3420 | nrows 4 |
---|
3421 | xllcorner 148.00000 |
---|
3422 | yllcorner -38.00000 |
---|
3423 | cellsize 0.25 |
---|
3424 | nodata_value -9999.0 |
---|
3425 | -90.000 -10.000 -30.0 -20.000 |
---|
3426 | -10.000 80.000 -20.000 -30.000 |
---|
3427 | -40.000 50.000 10.000 -50.000 |
---|
3428 | -90.000 -10.000 -30.0 -20.000 |
---|
3429 | """) |
---|
3430 | fid.close() |
---|
3431 | fid = open(vcur_dir_filename2, 'w') |
---|
3432 | fid.write(""" ncols 4 |
---|
3433 | nrows 4 |
---|
3434 | xllcorner 148.00000 |
---|
3435 | yllcorner -38.00000 |
---|
3436 | cellsize 0.25 |
---|
3437 | nodata_value -9999.0 |
---|
3438 | -90.000 -10.000 -30.0 -20.000 |
---|
3439 | -10.000 88.000 -22.000 -30.000 |
---|
3440 | -40.000 55.000 11.000 -50.000 |
---|
3441 | -90.000 -10.000 -30.0 -20.000 |
---|
3442 | """) |
---|
3443 | fid.close() |
---|
3444 | |
---|
3445 | sww_file = tempfile.mktemp(".sww") |
---|
3446 | #sww_file = 'a_test.sww' |
---|
3447 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, vcur_dir, |
---|
3448 | sww_file, fail_on_NaN = False, elevation_NaN_filler = 0, |
---|
3449 | mean_stage = 100, |
---|
3450 | minlat = -37.6, maxlat = -37.6, |
---|
3451 | minlon = 148.3, maxlon = 148.3 |
---|
3452 | #,verbose = True |
---|
3453 | ) |
---|
3454 | |
---|
3455 | # check the sww file |
---|
3456 | |
---|
3457 | fid = NetCDFFile(sww_file, 'r') #Open existing file for read |
---|
3458 | x = fid.variables['x'][:] |
---|
3459 | y = fid.variables['y'][:] |
---|
3460 | z = fid.variables['z'][:] |
---|
3461 | stage = fid.variables['stage'][:] |
---|
3462 | xmomentum = fid.variables['xmomentum'][:] |
---|
3463 | ymomentum = fid.variables['ymomentum'][:] |
---|
3464 | geo_ref = Geo_reference(NetCDFObject=fid) |
---|
3465 | #print "geo_ref",geo_ref |
---|
3466 | x_ref = geo_ref.get_xllcorner() |
---|
3467 | y_ref = geo_ref.get_yllcorner() |
---|
3468 | self.failUnless(geo_ref.get_zone() == 55, 'Failed') |
---|
3469 | |
---|
3470 | assert allclose(fid.starttime, 0.0) # (-37.45, 148.25) |
---|
3471 | assert allclose(x_ref, 610120.388) # (-37.45, 148.25) |
---|
3472 | assert allclose(y_ref, 5820863.269 )# (-37.45, 148.5) |
---|
3473 | |
---|
3474 | #Easting: 632145.632 Northing: 5820863.269 |
---|
3475 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
3476 | |
---|
3477 | #print "x",x |
---|
3478 | #print "y",y |
---|
3479 | self.failUnless(len(x) == 4,'failed') # 2*2 |
---|
3480 | self.failUnless(len(x) == 4,'failed') # 2*2 |
---|
3481 | |
---|
3482 | #Zone: 55 |
---|
3483 | #Easting: 632145.632 Northing: 5820863.269 |
---|
3484 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
3485 | # magic number - y is close enough for me. |
---|
3486 | assert allclose(x[3], 632145.63 - x_ref) |
---|
3487 | assert allclose(y[3], 5820863.269 - y_ref + 5.22155314684e-005) |
---|
3488 | |
---|
3489 | assert allclose(z[0],9000.0 ) #z is elevation info |
---|
3490 | #print "z",z |
---|
3491 | # 2 time steps, 4 points |
---|
3492 | self.failUnless(xmomentum.shape == (2,4), 'failed') |
---|
3493 | self.failUnless(ymomentum.shape == (2,4), 'failed') |
---|
3494 | |
---|
3495 | #(100.0 - -1000.000)*10 |
---|
3496 | #assert allclose(xmomentum[0][5], 11000.0 ) |
---|
3497 | |
---|
3498 | fid.close() |
---|
3499 | |
---|
3500 | # is the sww file readable? |
---|
3501 | #Lets see if we can convert it to a dem! |
---|
3502 | #print "sww_file",sww_file |
---|
3503 | #dem_file = tempfile.mktemp(".dem") |
---|
3504 | domain = sww2domain(sww_file) ###, dem_file) |
---|
3505 | domain.check_integrity() |
---|
3506 | |
---|
3507 | #tidy up |
---|
3508 | os.remove(bath_dir_filename) |
---|
3509 | os.rmdir(bath_dir) |
---|
3510 | |
---|
3511 | os.remove(elevation_dir_filename1) |
---|
3512 | os.remove(elevation_dir_filename2) |
---|
3513 | os.rmdir(elevation_dir) |
---|
3514 | |
---|
3515 | os.remove(ucur_dir_filename1) |
---|
3516 | os.remove(ucur_dir_filename2) |
---|
3517 | os.rmdir(ucur_dir) |
---|
3518 | |
---|
3519 | os.remove(vcur_dir_filename1) |
---|
3520 | os.remove(vcur_dir_filename2) |
---|
3521 | os.rmdir(vcur_dir) |
---|
3522 | |
---|
3523 | |
---|
3524 | |
---|
3525 | |
---|
3526 | # remove sww file |
---|
3527 | os.remove(sww_file) |
---|
3528 | |
---|
3529 | # remove dem file |
---|
3530 | #os.remove(dem_file) |
---|
3531 | |
---|
3532 | def test_get_min_max_indexes(self): |
---|
3533 | latitudes = [3,2,1,0] |
---|
3534 | longitudes = [0,10,20,30] |
---|
3535 | |
---|
3536 | # k - lat |
---|
3537 | # l - lon |
---|
3538 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
3539 | latitudes,longitudes, |
---|
3540 | -10,4,-10,31) |
---|
3541 | |
---|
3542 | #print "kmin",kmin;print "kmax",kmax |
---|
3543 | #print "lmin",lmin;print "lmax",lmax |
---|
3544 | latitudes_new = latitudes[kmin:kmax] |
---|
3545 | longitudes_news = longitudes[lmin:lmax] |
---|
3546 | #print "latitudes_new", latitudes_new |
---|
3547 | #print "longitudes_news",longitudes_news |
---|
3548 | self.failUnless(latitudes == latitudes_new and \ |
---|
3549 | longitudes == longitudes_news, |
---|
3550 | 'failed') |
---|
3551 | |
---|
3552 | ## 2nd test |
---|
3553 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
3554 | latitudes,longitudes, |
---|
3555 | 0.5,2.5,5,25) |
---|
3556 | #print "kmin",kmin;print "kmax",kmax |
---|
3557 | #print "lmin",lmin;print "lmax",lmax |
---|
3558 | latitudes_new = latitudes[kmin:kmax] |
---|
3559 | longitudes_news = longitudes[lmin:lmax] |
---|
3560 | #print "latitudes_new", latitudes_new |
---|
3561 | #print "longitudes_news",longitudes_news |
---|
3562 | |
---|
3563 | self.failUnless(latitudes == latitudes_new and \ |
---|
3564 | longitudes == longitudes_news, |
---|
3565 | 'failed') |
---|
3566 | |
---|
3567 | ## 3rd test |
---|
3568 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes(latitudes, |
---|
3569 | longitudes, |
---|
3570 | 1.1,1.9,12,17) |
---|
3571 | #print "kmin",kmin;print "kmax",kmax |
---|
3572 | #print "lmin",lmin;print "lmax",lmax |
---|
3573 | latitudes_new = latitudes[kmin:kmax] |
---|
3574 | longitudes_news = longitudes[lmin:lmax] |
---|
3575 | #print "latitudes_new", latitudes_new |
---|
3576 | #print "longitudes_news",longitudes_news |
---|
3577 | |
---|
3578 | self.failUnless(latitudes_new == [2, 1] and \ |
---|
3579 | longitudes_news == [10, 20], |
---|
3580 | 'failed') |
---|
3581 | |
---|
3582 | |
---|
3583 | ## 4th test |
---|
3584 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
3585 | latitudes,longitudes, |
---|
3586 | -0.1,1.9,-2,17) |
---|
3587 | #print "kmin",kmin;print "kmax",kmax |
---|
3588 | #print "lmin",lmin;print "lmax",lmax |
---|
3589 | latitudes_new = latitudes[kmin:kmax] |
---|
3590 | longitudes_news = longitudes[lmin:lmax] |
---|
3591 | #print "latitudes_new", latitudes_new |
---|
3592 | #print "longitudes_news",longitudes_news |
---|
3593 | |
---|
3594 | self.failUnless(latitudes_new == [2, 1, 0] and \ |
---|
3595 | longitudes_news == [0, 10, 20], |
---|
3596 | 'failed') |
---|
3597 | ## 5th test |
---|
3598 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
3599 | latitudes,longitudes, |
---|
3600 | 0.1,1.9,2,17) |
---|
3601 | #print "kmin",kmin;print "kmax",kmax |
---|
3602 | #print "lmin",lmin;print "lmax",lmax |
---|
3603 | latitudes_new = latitudes[kmin:kmax] |
---|
3604 | longitudes_news = longitudes[lmin:lmax] |
---|
3605 | #print "latitudes_new", latitudes_new |
---|
3606 | #print "longitudes_news",longitudes_news |
---|
3607 | |
---|
3608 | self.failUnless(latitudes_new == [2, 1, 0] and \ |
---|
3609 | longitudes_news == [0, 10, 20], |
---|
3610 | 'failed') |
---|
3611 | |
---|
3612 | ## 6th test |
---|
3613 | |
---|
3614 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
3615 | latitudes,longitudes, |
---|
3616 | 1.5,4,18,32) |
---|
3617 | #print "kmin",kmin;print "kmax",kmax |
---|
3618 | #print "lmin",lmin;print "lmax",lmax |
---|
3619 | latitudes_new = latitudes[kmin:kmax] |
---|
3620 | longitudes_news = longitudes[lmin:lmax] |
---|
3621 | #print "latitudes_new", latitudes_new |
---|
3622 | #print "longitudes_news",longitudes_news |
---|
3623 | |
---|
3624 | self.failUnless(latitudes_new == [3, 2, 1] and \ |
---|
3625 | longitudes_news == [10, 20, 30], |
---|
3626 | 'failed') |
---|
3627 | |
---|
3628 | |
---|
3629 | ## 7th test |
---|
3630 | m2d = array([[0,1,2,3],[4,5,6,7],[8,9,10,11],[12,13,14,15]]) |
---|
3631 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
3632 | latitudes,longitudes, |
---|
3633 | 1.5,1.5,15,15) |
---|
3634 | #print "kmin",kmin;print "kmax",kmax |
---|
3635 | #print "lmin",lmin;print "lmax",lmax |
---|
3636 | latitudes_new = latitudes[kmin:kmax] |
---|
3637 | longitudes_news = longitudes[lmin:lmax] |
---|
3638 | m2d = m2d[kmin:kmax,lmin:lmax] |
---|
3639 | #print "m2d", m2d |
---|
3640 | #print "latitudes_new", latitudes_new |
---|
3641 | #print "longitudes_news",longitudes_news |
---|
3642 | |
---|
3643 | self.failUnless(latitudes_new == [2, 1] and \ |
---|
3644 | longitudes_news == [10, 20], |
---|
3645 | 'failed') |
---|
3646 | |
---|
3647 | self.failUnless(m2d == [[5,6],[9,10]], |
---|
3648 | 'failed') |
---|
3649 | |
---|
3650 | def test_get_min_max_indexes2(self): |
---|
3651 | latitudes = [-30,-35,-40,-45] |
---|
3652 | longitudes = [148,149,150,151] |
---|
3653 | |
---|
3654 | m2d = array([[0,1,2,3],[4,5,6,7],[8,9,10,11],[12,13,14,15]]) |
---|
3655 | |
---|
3656 | # k - lat |
---|
3657 | # l - lon |
---|
3658 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
3659 | latitudes,longitudes, |
---|
3660 | -37,-27,147,149.5) |
---|
3661 | |
---|
3662 | #print "kmin",kmin;print "kmax",kmax |
---|
3663 | #print "lmin",lmin;print "lmax",lmax |
---|
3664 | #print "m2d", m2d |
---|
3665 | #print "latitudes", latitudes |
---|
3666 | #print "longitudes",longitudes |
---|
3667 | #print "latitudes[kmax]", latitudes[kmax] |
---|
3668 | latitudes_new = latitudes[kmin:kmax] |
---|
3669 | longitudes_new = longitudes[lmin:lmax] |
---|
3670 | m2d = m2d[kmin:kmax,lmin:lmax] |
---|
3671 | #print "m2d", m2d |
---|
3672 | #print "latitudes_new", latitudes_new |
---|
3673 | #print "longitudes_new",longitudes_new |
---|
3674 | |
---|
3675 | self.failUnless(latitudes_new == [-30, -35, -40] and \ |
---|
3676 | longitudes_new == [148, 149,150], |
---|
3677 | 'failed') |
---|
3678 | self.failUnless(m2d == [[0,1,2],[4,5,6],[8,9,10]], |
---|
3679 | 'failed') |
---|
3680 | |
---|
3681 | def test_get_min_max_indexes3(self): |
---|
3682 | latitudes = [-30,-35,-40,-45,-50,-55,-60] |
---|
3683 | longitudes = [148,149,150,151] |
---|
3684 | |
---|
3685 | # k - lat |
---|
3686 | # l - lon |
---|
3687 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
3688 | latitudes,longitudes, |
---|
3689 | -43,-37,148.5,149.5) |
---|
3690 | |
---|
3691 | |
---|
3692 | #print "kmin",kmin;print "kmax",kmax |
---|
3693 | #print "lmin",lmin;print "lmax",lmax |
---|
3694 | #print "latitudes", latitudes |
---|
3695 | #print "longitudes",longitudes |
---|
3696 | latitudes_new = latitudes[kmin:kmax] |
---|
3697 | longitudes_news = longitudes[lmin:lmax] |
---|
3698 | #print "latitudes_new", latitudes_new |
---|
3699 | #print "longitudes_news",longitudes_news |
---|
3700 | |
---|
3701 | self.failUnless(latitudes_new == [-35, -40, -45] and \ |
---|
3702 | longitudes_news == [148, 149,150], |
---|
3703 | 'failed') |
---|
3704 | |
---|
3705 | def test_get_min_max_indexes4(self): |
---|
3706 | latitudes = [-30,-35,-40,-45,-50,-55,-60] |
---|
3707 | longitudes = [148,149,150,151] |
---|
3708 | |
---|
3709 | # k - lat |
---|
3710 | # l - lon |
---|
3711 | kmin, kmax, lmin, lmax = data_manager._get_min_max_indexes( |
---|
3712 | latitudes,longitudes) |
---|
3713 | |
---|
3714 | #print "kmin",kmin;print "kmax",kmax |
---|
3715 | #print "lmin",lmin;print "lmax",lmax |
---|
3716 | #print "latitudes", latitudes |
---|
3717 | #print "longitudes",longitudes |
---|
3718 | latitudes_new = latitudes[kmin:kmax] |
---|
3719 | longitudes_news = longitudes[lmin:lmax] |
---|
3720 | #print "latitudes_new", latitudes_new |
---|
3721 | #print "longitudes_news",longitudes_news |
---|
3722 | |
---|
3723 | self.failUnless(latitudes_new == latitudes and \ |
---|
3724 | longitudes_news == longitudes, |
---|
3725 | 'failed') |
---|
3726 | |
---|
3727 | def test_tsh2sww(self): |
---|
3728 | import os |
---|
3729 | import tempfile |
---|
3730 | |
---|
3731 | tsh_file = tempfile.mktemp(".tsh") |
---|
3732 | file = open(tsh_file,"w") |
---|
3733 | file.write("4 3 # <vertex #> <x> <y> [attributes]\n \ |
---|
3734 | 0 0.0 0.0 0.0 0.0 0.01 \n \ |
---|
3735 | 1 1.0 0.0 10.0 10.0 0.02 \n \ |
---|
3736 | 2 0.0 1.0 0.0 10.0 0.03 \n \ |
---|
3737 | 3 0.5 0.25 8.0 12.0 0.04 \n \ |
---|
3738 | # Vert att title \n \ |
---|
3739 | elevation \n \ |
---|
3740 | stage \n \ |
---|
3741 | friction \n \ |
---|
3742 | 2 # <triangle #> [<vertex #>] [<neigbouring triangle #>] \n\ |
---|
3743 | 0 0 3 2 -1 -1 1 dsg\n\ |
---|
3744 | 1 0 1 3 -1 0 -1 ole nielsen\n\ |
---|
3745 | 4 # <segment #> <vertex #> <vertex #> [boundary tag] \n\ |
---|
3746 | 0 1 0 2 \n\ |
---|
3747 | 1 0 2 3 \n\ |
---|
3748 | 2 2 3 \n\ |
---|
3749 | 3 3 1 1 \n\ |
---|
3750 | 3 0 # <x> <y> [attributes] ...Mesh Vertices... \n \ |
---|
3751 | 0 216.0 -86.0 \n \ |
---|
3752 | 1 160.0 -167.0 \n \ |
---|
3753 | 2 114.0 -91.0 \n \ |
---|
3754 | 3 # <vertex #> <vertex #> [boundary tag] ...Mesh Segments... \n \ |
---|
3755 | 0 0 1 0 \n \ |
---|
3756 | 1 1 2 0 \n \ |
---|
3757 | 2 2 0 0 \n \ |
---|
3758 | 0 # <x> <y> ...Mesh Holes... \n \ |
---|
3759 | 0 # <x> <y> <attribute>...Mesh Regions... \n \ |
---|
3760 | 0 # <x> <y> <attribute>...Mesh Regions, area... \n\ |
---|
3761 | #Geo reference \n \ |
---|
3762 | 56 \n \ |
---|
3763 | 140 \n \ |
---|
3764 | 120 \n") |
---|
3765 | file.close() |
---|
3766 | |
---|
3767 | #sww_file = tempfile.mktemp(".sww") |
---|
3768 | #print "sww_file",sww_file |
---|
3769 | #print "sww_file",tsh_file |
---|
3770 | tsh2sww(tsh_file) |
---|
3771 | |
---|
3772 | os.remove(tsh_file) |
---|
3773 | os.remove(tsh_file[:-4] + '.sww') |
---|
3774 | #------------------------------------------------------------- |
---|
3775 | if __name__ == "__main__": |
---|
3776 | #suite = unittest.makeSuite(Test_Data_Manager,'test_tsh2sww') |
---|
3777 | suite = unittest.makeSuite(Test_Data_Manager,'test') |
---|
3778 | #suite = unittest.makeSuite(Test_Data_Manager,'test_sww2dem_asc_missing_points') |
---|
3779 | #suite = unittest.makeSuite(Test_Data_Manager,'test_sww2dem_asc_elevation') |
---|
3780 | #suite = unittest.makeSuite(Test_Data_Manager,'test_dem2pts_bounding_box') |
---|
3781 | #suite = unittest.makeSuite(Test_Data_Manager,'test_decimate_dem') |
---|
3782 | #suite = unittest.makeSuite(Test_Data_Manager,'test_decimate_dem_NODATA') |
---|
3783 | runner = unittest.TextTestRunner() |
---|
3784 | runner.run(suite) |
---|
3785 | |
---|