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 | |
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16 | from coordinate_transforms.geo_reference import Geo_reference |
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17 | |
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18 | class Test_Data_Manager(unittest.TestCase): |
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19 | def setUp(self): |
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20 | import time |
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21 | from mesh_factory import rectangular |
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22 | |
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23 | #Create basic mesh |
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24 | points, vertices, boundary = rectangular(2, 2) |
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25 | |
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26 | #Create shallow water domain |
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27 | domain = Domain(points, vertices, boundary) |
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28 | domain.default_order=2 |
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29 | |
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30 | |
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31 | #Set some field values |
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32 | domain.set_quantity('elevation', lambda x,y: -x) |
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33 | domain.set_quantity('friction', 0.03) |
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34 | |
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35 | |
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36 | ###################### |
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37 | # Boundary conditions |
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38 | B = Transmissive_boundary(domain) |
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39 | domain.set_boundary( {'left': B, 'right': B, 'top': B, 'bottom': B}) |
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40 | |
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41 | |
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42 | ###################### |
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43 | #Initial condition - with jumps |
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44 | |
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45 | |
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46 | bed = domain.quantities['elevation'].vertex_values |
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47 | stage = zeros(bed.shape, Float) |
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48 | |
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49 | h = 0.3 |
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50 | for i in range(stage.shape[0]): |
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51 | if i % 2 == 0: |
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52 | stage[i,:] = bed[i,:] + h |
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53 | else: |
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54 | stage[i,:] = bed[i,:] |
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55 | |
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56 | domain.set_quantity('stage', stage) |
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57 | self.initial_stage = copy.copy(domain.quantities['stage'].vertex_values) |
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58 | |
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59 | domain.distribute_to_vertices_and_edges() |
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60 | |
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61 | |
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62 | self.domain = domain |
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63 | |
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64 | C = domain.get_vertex_coordinates() |
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65 | self.X = C[:,0:6:2].copy() |
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66 | self.Y = C[:,1:6:2].copy() |
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67 | |
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68 | self.F = bed |
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69 | |
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70 | |
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71 | def tearDown(self): |
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72 | pass |
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73 | |
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74 | def test_sww_constant(self): |
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75 | """Test that constant sww information can be written correctly |
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76 | (non smooth) |
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77 | """ |
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78 | |
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79 | import time, os |
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80 | from Numeric import array, zeros, allclose, Float, concatenate |
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81 | from Scientific.IO.NetCDF import NetCDFFile |
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82 | |
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83 | self.domain.filename = 'datatest' + str(id(self)) |
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84 | self.domain.format = 'sww' |
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85 | self.domain.smooth = False |
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86 | |
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87 | sww = get_dataobject(self.domain) |
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88 | sww.store_connectivity() |
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89 | |
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90 | #Check contents |
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91 | #Get NetCDF |
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92 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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93 | |
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94 | # Get the variables |
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95 | x = fid.variables['x'] |
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96 | y = fid.variables['y'] |
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97 | z = fid.variables['elevation'] |
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98 | |
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99 | volumes = fid.variables['volumes'] |
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100 | |
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101 | |
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102 | assert allclose (x[:], self.X.flat) |
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103 | assert allclose (y[:], self.Y.flat) |
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104 | assert allclose (z[:], self.F.flat) |
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105 | |
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106 | V = volumes |
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107 | |
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108 | P = len(self.domain) |
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109 | for k in range(P): |
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110 | assert V[k, 0] == 3*k |
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111 | assert V[k, 1] == 3*k+1 |
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112 | assert V[k, 2] == 3*k+2 |
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113 | |
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114 | |
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115 | fid.close() |
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116 | |
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117 | #Cleanup |
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118 | os.remove(sww.filename) |
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119 | |
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120 | |
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121 | def test_sww_constant_smooth(self): |
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122 | """Test that constant sww information can be written correctly |
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123 | (non smooth) |
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124 | """ |
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125 | |
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126 | import time, os |
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127 | from Numeric import array, zeros, allclose, Float, concatenate |
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128 | from Scientific.IO.NetCDF import NetCDFFile |
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129 | |
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130 | self.domain.filename = 'datatest' + str(id(self)) |
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131 | self.domain.format = 'sww' |
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132 | self.domain.smooth = True |
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133 | |
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134 | sww = get_dataobject(self.domain) |
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135 | sww.store_connectivity() |
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136 | |
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137 | #Check contents |
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138 | #Get NetCDF |
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139 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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140 | |
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141 | # Get the variables |
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142 | x = fid.variables['x'] |
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143 | y = fid.variables['y'] |
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144 | z = fid.variables['elevation'] |
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145 | |
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146 | volumes = fid.variables['volumes'] |
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147 | |
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148 | X = x[:] |
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149 | Y = y[:] |
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150 | |
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151 | assert allclose([X[0], Y[0]], array([0.0, 0.0])) |
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152 | assert allclose([X[1], Y[1]], array([0.0, 0.5])) |
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153 | assert allclose([X[2], Y[2]], array([0.0, 1.0])) |
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154 | |
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155 | assert allclose([X[4], Y[4]], array([0.5, 0.5])) |
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156 | |
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157 | assert allclose([X[7], Y[7]], array([1.0, 0.5])) |
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158 | |
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159 | Z = z[:] |
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160 | assert Z[4] == -0.5 |
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161 | |
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162 | V = volumes |
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163 | assert V[2,0] == 4 |
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164 | assert V[2,1] == 5 |
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165 | assert V[2,2] == 1 |
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166 | |
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167 | assert V[4,0] == 6 |
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168 | assert V[4,1] == 7 |
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169 | assert V[4,2] == 3 |
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170 | |
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171 | |
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172 | fid.close() |
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173 | |
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174 | #Cleanup |
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175 | os.remove(sww.filename) |
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176 | |
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177 | |
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178 | |
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179 | def test_sww_variable(self): |
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180 | """Test that sww information can be written correctly |
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181 | """ |
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182 | |
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183 | import time, os |
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184 | from Numeric import array, zeros, allclose, Float, concatenate |
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185 | from Scientific.IO.NetCDF import NetCDFFile |
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186 | |
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187 | self.domain.filename = 'datatest' + str(id(self)) |
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188 | self.domain.format = 'sww' |
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189 | self.domain.smooth = True |
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190 | self.domain.reduction = mean |
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191 | |
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192 | sww = get_dataobject(self.domain) |
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193 | sww.store_connectivity() |
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194 | sww.store_timestep('stage') |
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195 | |
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196 | #Check contents |
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197 | #Get NetCDF |
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198 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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199 | |
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200 | |
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201 | # Get the variables |
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202 | x = fid.variables['x'] |
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203 | y = fid.variables['y'] |
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204 | z = fid.variables['elevation'] |
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205 | time = fid.variables['time'] |
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206 | stage = fid.variables['stage'] |
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207 | |
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208 | |
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209 | Q = self.domain.quantities['stage'] |
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210 | Q0 = Q.vertex_values[:,0] |
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211 | Q1 = Q.vertex_values[:,1] |
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212 | Q2 = Q.vertex_values[:,2] |
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213 | |
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214 | A = stage[0,:] |
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215 | #print A[0], (Q2[0,0] + Q1[1,0])/2 |
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216 | assert allclose(A[0], (Q2[0] + Q1[1])/2) |
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217 | assert allclose(A[1], (Q0[1] + Q1[3] + Q2[2])/3) |
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218 | assert allclose(A[2], Q0[3]) |
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219 | assert allclose(A[3], (Q0[0] + Q1[5] + Q2[4])/3) |
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220 | |
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221 | #Center point |
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222 | assert allclose(A[4], (Q1[0] + Q2[1] + Q0[2] +\ |
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223 | Q0[5] + Q2[6] + Q1[7])/6) |
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224 | |
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225 | |
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226 | |
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227 | fid.close() |
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228 | |
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229 | #Cleanup |
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230 | os.remove(sww.filename) |
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231 | |
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232 | |
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233 | def test_sww_variable2(self): |
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234 | """Test that sww information can be written correctly |
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235 | multiple timesteps. Use average as reduction operator |
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236 | """ |
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237 | |
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238 | import time, os |
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239 | from Numeric import array, zeros, allclose, Float, concatenate |
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240 | from Scientific.IO.NetCDF import NetCDFFile |
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241 | |
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242 | self.domain.filename = 'datatest' + str(id(self)) |
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243 | self.domain.format = 'sww' |
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244 | self.domain.smooth = True |
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245 | |
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246 | self.domain.reduction = mean |
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247 | |
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248 | sww = get_dataobject(self.domain) |
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249 | sww.store_connectivity() |
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250 | sww.store_timestep('stage') |
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251 | self.domain.evolve_to_end(finaltime = 0.01) |
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252 | sww.store_timestep('stage') |
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253 | |
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254 | |
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255 | #Check contents |
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256 | #Get NetCDF |
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257 | fid = NetCDFFile(sww.filename, 'r') #Open existing file for append |
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258 | |
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259 | # Get the variables |
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260 | x = fid.variables['x'] |
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261 | y = fid.variables['y'] |
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262 | z = fid.variables['elevation'] |
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263 | time = fid.variables['time'] |
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264 | stage = fid.variables['stage'] |
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265 | |
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266 | #Check values |
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267 | Q = self.domain.quantities['stage'] |
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268 | Q0 = Q.vertex_values[:,0] |
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269 | Q1 = Q.vertex_values[:,1] |
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270 | Q2 = Q.vertex_values[:,2] |
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271 | |
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272 | A = stage[1,:] |
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273 | assert allclose(A[0], (Q2[0] + Q1[1])/2) |
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274 | assert allclose(A[1], (Q0[1] + Q1[3] + Q2[2])/3) |
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275 | assert allclose(A[2], Q0[3]) |
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276 | assert allclose(A[3], (Q0[0] + Q1[5] + Q2[4])/3) |
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277 | |
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278 | #Center point |
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279 | assert allclose(A[4], (Q1[0] + Q2[1] + Q0[2] +\ |
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280 | Q0[5] + Q2[6] + Q1[7])/6) |
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281 | |
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282 | |
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283 | fid.close() |
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284 | |
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285 | #Cleanup |
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286 | os.remove(sww.filename) |
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287 | |
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288 | def test_sww_variable3(self): |
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289 | """Test that sww information can be written correctly |
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290 | multiple timesteps using a different reduction operator (min) |
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291 | """ |
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292 | |
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293 | import time, os |
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294 | from Numeric import array, zeros, allclose, Float, concatenate |
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295 | from Scientific.IO.NetCDF import NetCDFFile |
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296 | |
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297 | self.domain.filename = 'datatest' + str(id(self)) |
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298 | self.domain.format = 'sww' |
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299 | self.domain.smooth = True |
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300 | self.domain.reduction = min |
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301 | |
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302 | sww = get_dataobject(self.domain) |
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303 | sww.store_connectivity() |
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304 | sww.store_timestep('stage') |
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305 | |
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306 | self.domain.evolve_to_end(finaltime = 0.01) |
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307 | sww.store_timestep('stage') |
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308 | |
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309 | |
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310 | #Check contents |
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311 | #Get NetCDF |
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312 | fid = NetCDFFile(sww.filename, 'r') |
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313 | |
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314 | |
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315 | # Get the variables |
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316 | x = fid.variables['x'] |
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317 | y = fid.variables['y'] |
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318 | z = fid.variables['elevation'] |
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319 | time = fid.variables['time'] |
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320 | stage = fid.variables['stage'] |
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321 | |
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322 | #Check values |
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323 | Q = self.domain.quantities['stage'] |
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324 | Q0 = Q.vertex_values[:,0] |
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325 | Q1 = Q.vertex_values[:,1] |
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326 | Q2 = Q.vertex_values[:,2] |
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327 | |
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328 | A = stage[1,:] |
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329 | assert allclose(A[0], min(Q2[0], Q1[1])) |
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330 | assert allclose(A[1], min(Q0[1], Q1[3], Q2[2])) |
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331 | assert allclose(A[2], Q0[3]) |
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332 | assert allclose(A[3], min(Q0[0], Q1[5], Q2[4])) |
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333 | |
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334 | #Center point |
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335 | assert allclose(A[4], min(Q1[0], Q2[1], Q0[2],\ |
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336 | Q0[5], Q2[6], Q1[7])) |
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337 | |
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338 | |
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339 | fid.close() |
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340 | |
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341 | #Cleanup |
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342 | os.remove(sww.filename) |
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343 | |
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344 | |
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345 | def test_sync(self): |
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346 | """Test info stored at each timestep is as expected (incl initial condition) |
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347 | """ |
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348 | |
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349 | import time, os, config |
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350 | from Numeric import array, zeros, allclose, Float, concatenate |
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351 | from Scientific.IO.NetCDF import NetCDFFile |
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352 | |
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353 | self.domain.filename = 'synctest' |
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354 | self.domain.format = 'sww' |
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355 | self.domain.smooth = False |
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356 | self.domain.store = True |
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357 | self.domain.beta_h = 0 |
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358 | |
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359 | #Evolution |
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360 | for t in self.domain.evolve(yieldstep = 1.0, finaltime = 4.0): |
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361 | stage = self.domain.quantities['stage'].vertex_values |
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362 | |
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363 | #Get NetCDF |
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364 | fid = NetCDFFile(self.domain.writer.filename, 'r') |
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365 | stage_file = fid.variables['stage'] |
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366 | |
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367 | if t == 0.0: |
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368 | assert allclose(stage, self.initial_stage) |
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369 | assert allclose(stage_file[:], stage.flat) |
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370 | else: |
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371 | assert not allclose(stage, self.initial_stage) |
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372 | assert not allclose(stage_file[:], stage.flat) |
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373 | |
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374 | fid.close() |
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375 | |
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376 | os.remove(self.domain.writer.filename) |
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377 | |
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378 | |
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379 | |
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380 | def test_sww_DSG(self): |
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381 | """Not a test, rather a look at the sww format |
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382 | """ |
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383 | |
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384 | import time, os |
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385 | from Numeric import array, zeros, allclose, Float, concatenate |
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386 | from Scientific.IO.NetCDF import NetCDFFile |
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387 | |
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388 | self.domain.filename = 'datatest' + str(id(self)) |
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389 | self.domain.format = 'sww' |
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390 | self.domain.smooth = True |
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391 | self.domain.reduction = mean |
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392 | |
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393 | sww = get_dataobject(self.domain) |
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394 | sww.store_connectivity() |
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395 | sww.store_timestep('stage') |
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396 | |
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397 | #Check contents |
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398 | #Get NetCDF |
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399 | fid = NetCDFFile(sww.filename, 'r') |
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400 | |
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401 | # Get the variables |
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402 | x = fid.variables['x'] |
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403 | y = fid.variables['y'] |
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404 | z = fid.variables['elevation'] |
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405 | |
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406 | volumes = fid.variables['volumes'] |
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407 | time = fid.variables['time'] |
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408 | |
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409 | # 2D |
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410 | stage = fid.variables['stage'] |
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411 | |
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412 | X = x[:] |
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413 | Y = y[:] |
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414 | Z = z[:] |
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415 | V = volumes[:] |
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416 | T = time[:] |
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417 | S = stage[:,:] |
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418 | |
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419 | # print "****************************" |
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420 | # print "X ",X |
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421 | # print "****************************" |
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422 | # print "Y ",Y |
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423 | # print "****************************" |
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424 | # print "Z ",Z |
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425 | # print "****************************" |
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426 | # print "V ",V |
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427 | # print "****************************" |
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428 | # print "Time ",T |
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429 | # print "****************************" |
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430 | # print "Stage ",S |
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431 | # print "****************************" |
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432 | |
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433 | |
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434 | fid.close() |
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435 | |
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436 | #Cleanup |
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437 | os.remove(sww.filename) |
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438 | |
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439 | |
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440 | def test_write_pts(self): |
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441 | #Get (enough) datapoints |
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442 | |
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443 | from Numeric import array |
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444 | points = array([[ 0.66666667, 0.66666667], |
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445 | [ 1.33333333, 1.33333333], |
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446 | [ 2.66666667, 0.66666667], |
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447 | [ 0.66666667, 2.66666667], |
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448 | [ 0.0, 1.0], |
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449 | [ 0.0, 3.0], |
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450 | [ 1.0, 0.0], |
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451 | [ 1.0, 1.0], |
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452 | [ 1.0, 2.0], |
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453 | [ 1.0, 3.0], |
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454 | [ 2.0, 1.0], |
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455 | [ 3.0, 0.0], |
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456 | [ 3.0, 1.0]]) |
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457 | |
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458 | z = points[:,0] + 2*points[:,1] |
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459 | |
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460 | ptsfile = 'testptsfile.pts' |
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461 | write_ptsfile(ptsfile, points, z, |
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462 | attribute_name = 'linear_combination') |
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463 | |
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464 | #Check contents |
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465 | #Get NetCDF |
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466 | from Scientific.IO.NetCDF import NetCDFFile |
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467 | fid = NetCDFFile(ptsfile, 'r') |
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468 | |
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469 | # Get the variables |
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470 | #print fid.variables.keys() |
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471 | points1 = fid.variables['points'] |
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472 | z1 = fid.variables['linear_combination'] |
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473 | |
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474 | #Check values |
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475 | |
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476 | #print points[:] |
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477 | #print ref_points |
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478 | assert allclose(points, points1) |
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479 | |
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480 | #print attributes[:] |
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481 | #print ref_elevation |
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482 | assert allclose(z, z1) |
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483 | |
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484 | #Cleanup |
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485 | fid.close() |
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486 | |
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487 | import os |
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488 | os.remove(ptsfile) |
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489 | |
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490 | |
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491 | |
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492 | |
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493 | def test_dem2pts(self): |
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494 | """Test conversion from dem in ascii format to native NetCDF xya format |
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495 | """ |
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496 | |
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497 | import time, os |
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498 | from Numeric import array, zeros, allclose, Float, concatenate |
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499 | from Scientific.IO.NetCDF import NetCDFFile |
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500 | |
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501 | #Write test asc file |
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502 | root = 'demtest' |
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503 | |
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504 | filename = root+'.asc' |
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505 | fid = open(filename, 'w') |
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506 | fid.write("""ncols 5 |
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507 | nrows 6 |
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508 | xllcorner 2000.5 |
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509 | yllcorner 3000.5 |
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510 | cellsize 25 |
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511 | NODATA_value -9999 |
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512 | """) |
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513 | #Create linear function |
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514 | |
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515 | ref_points = [] |
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516 | ref_elevation = [] |
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517 | for i in range(6): |
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518 | y = (6-i)*25.0 |
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519 | for j in range(5): |
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520 | x = j*25.0 |
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521 | z = x+2*y |
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522 | |
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523 | ref_points.append( [x,y] ) |
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524 | ref_elevation.append(z) |
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525 | fid.write('%f ' %z) |
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526 | fid.write('\n') |
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527 | |
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528 | fid.close() |
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529 | |
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530 | #Write prj file with metadata |
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531 | metafilename = root+'.prj' |
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532 | fid = open(metafilename, 'w') |
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533 | |
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534 | |
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535 | fid.write("""Projection UTM |
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536 | Zone 56 |
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537 | Datum WGS84 |
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538 | Zunits NO |
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539 | Units METERS |
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540 | Spheroid WGS84 |
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541 | Xshift 0.0000000000 |
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542 | Yshift 10000000.0000000000 |
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543 | Parameters |
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544 | """) |
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545 | fid.close() |
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546 | |
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547 | #Convert to NetCDF pts |
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548 | convert_dem_from_ascii2netcdf(root) |
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549 | dem2pts(root) |
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550 | |
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551 | #Check contents |
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552 | #Get NetCDF |
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553 | fid = NetCDFFile(root+'.pts', 'r') |
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554 | |
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555 | # Get the variables |
---|
556 | #print fid.variables.keys() |
---|
557 | points = fid.variables['points'] |
---|
558 | elevation = fid.variables['elevation'] |
---|
559 | |
---|
560 | #Check values |
---|
561 | |
---|
562 | #print points[:] |
---|
563 | #print ref_points |
---|
564 | assert allclose(points, ref_points) |
---|
565 | |
---|
566 | #print attributes[:] |
---|
567 | #print ref_elevation |
---|
568 | assert allclose(elevation, ref_elevation) |
---|
569 | |
---|
570 | #Cleanup |
---|
571 | fid.close() |
---|
572 | |
---|
573 | |
---|
574 | os.remove(root + '.pts') |
---|
575 | os.remove(root + '.dem') |
---|
576 | os.remove(root + '.asc') |
---|
577 | os.remove(root + '.prj') |
---|
578 | |
---|
579 | |
---|
580 | |
---|
581 | def test_dem2pts_bounding_box(self): |
---|
582 | """Test conversion from dem in ascii format to native NetCDF xya format |
---|
583 | """ |
---|
584 | |
---|
585 | import time, os |
---|
586 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
587 | from Scientific.IO.NetCDF import NetCDFFile |
---|
588 | |
---|
589 | #Write test asc file |
---|
590 | root = 'demtest' |
---|
591 | |
---|
592 | filename = root+'.asc' |
---|
593 | fid = open(filename, 'w') |
---|
594 | fid.write("""ncols 5 |
---|
595 | nrows 6 |
---|
596 | xllcorner 2000.5 |
---|
597 | yllcorner 3000.5 |
---|
598 | cellsize 25 |
---|
599 | NODATA_value -9999 |
---|
600 | """) |
---|
601 | #Create linear function |
---|
602 | |
---|
603 | ref_points = [] |
---|
604 | ref_elevation = [] |
---|
605 | for i in range(6): |
---|
606 | y = (6-i)*25.0 |
---|
607 | for j in range(5): |
---|
608 | x = j*25.0 |
---|
609 | z = x+2*y |
---|
610 | |
---|
611 | ref_points.append( [x,y] ) |
---|
612 | ref_elevation.append(z) |
---|
613 | fid.write('%f ' %z) |
---|
614 | fid.write('\n') |
---|
615 | |
---|
616 | fid.close() |
---|
617 | |
---|
618 | #Write prj file with metadata |
---|
619 | metafilename = root+'.prj' |
---|
620 | fid = open(metafilename, 'w') |
---|
621 | |
---|
622 | |
---|
623 | fid.write("""Projection UTM |
---|
624 | Zone 56 |
---|
625 | Datum WGS84 |
---|
626 | Zunits NO |
---|
627 | Units METERS |
---|
628 | Spheroid WGS84 |
---|
629 | Xshift 0.0000000000 |
---|
630 | Yshift 10000000.0000000000 |
---|
631 | Parameters |
---|
632 | """) |
---|
633 | fid.close() |
---|
634 | |
---|
635 | #Convert to NetCDF pts |
---|
636 | convert_dem_from_ascii2netcdf(root) |
---|
637 | dem2pts(root, easting_min=2010.0, easting_max=2110.0, |
---|
638 | northing_min=3035.0, northing_max=3125.5) |
---|
639 | |
---|
640 | #Check contents |
---|
641 | #Get NetCDF |
---|
642 | fid = NetCDFFile(root+'.pts', 'r') |
---|
643 | |
---|
644 | # Get the variables |
---|
645 | #print fid.variables.keys() |
---|
646 | points = fid.variables['points'] |
---|
647 | elevation = fid.variables['elevation'] |
---|
648 | |
---|
649 | #Check values |
---|
650 | assert fid.xllcorner[0] == 2010.0 |
---|
651 | assert fid.yllcorner[0] == 3035.0 |
---|
652 | |
---|
653 | #create new reference points |
---|
654 | ref_points = [] |
---|
655 | ref_elevation = [] |
---|
656 | for i in range(4): |
---|
657 | y = (4-i)*25.0 + 25.0 |
---|
658 | y_new = y + 3000.5 - 3035.0 |
---|
659 | for j in range(4): |
---|
660 | x = j*25.0 + 25.0 |
---|
661 | x_new = x + 2000.5 - 2010.0 |
---|
662 | z = x+2*y |
---|
663 | |
---|
664 | ref_points.append( [x_new,y_new] ) |
---|
665 | ref_elevation.append(z) |
---|
666 | |
---|
667 | #print points[:] |
---|
668 | #print ref_points |
---|
669 | assert allclose(points, ref_points) |
---|
670 | |
---|
671 | #print attributes[:] |
---|
672 | #print ref_elevation |
---|
673 | assert allclose(elevation, ref_elevation) |
---|
674 | |
---|
675 | #Cleanup |
---|
676 | fid.close() |
---|
677 | |
---|
678 | |
---|
679 | os.remove(root + '.pts') |
---|
680 | os.remove(root + '.dem') |
---|
681 | os.remove(root + '.asc') |
---|
682 | os.remove(root + '.prj') |
---|
683 | |
---|
684 | |
---|
685 | |
---|
686 | def test_hecras_cross_sections2pts(self): |
---|
687 | """Test conversion from HECRAS cross sections in ascii format |
---|
688 | to native NetCDF pts format |
---|
689 | """ |
---|
690 | |
---|
691 | import time, os |
---|
692 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
693 | from Scientific.IO.NetCDF import NetCDFFile |
---|
694 | |
---|
695 | #Write test asc file |
---|
696 | root = 'hecrastest' |
---|
697 | |
---|
698 | filename = root+'.sdf' |
---|
699 | fid = open(filename, 'w') |
---|
700 | fid.write(""" |
---|
701 | # RAS export file created on Mon 15Aug2005 11:42 |
---|
702 | # by HEC-RAS Version 3.1.1 |
---|
703 | |
---|
704 | BEGIN HEADER: |
---|
705 | UNITS: METRIC |
---|
706 | DTM TYPE: TIN |
---|
707 | DTM: v:\1\cit\perth_topo\river_tin |
---|
708 | STREAM LAYER: c:\\x_local\hecras\21_02_03\up_canning_cent3d.shp |
---|
709 | CROSS-SECTION LAYER: c:\\x_local\hecras\21_02_03\up_can_xs3d.shp |
---|
710 | MAP PROJECTION: UTM |
---|
711 | PROJECTION ZONE: 50 |
---|
712 | DATUM: AGD66 |
---|
713 | VERTICAL DATUM: |
---|
714 | NUMBER OF REACHES: 19 |
---|
715 | NUMBER OF CROSS-SECTIONS: 2 |
---|
716 | END HEADER: |
---|
717 | |
---|
718 | |
---|
719 | BEGIN CROSS-SECTIONS: |
---|
720 | |
---|
721 | CROSS-SECTION: |
---|
722 | STREAM ID:Southern-Wungong |
---|
723 | REACH ID:Southern-Wungong |
---|
724 | STATION:21410 |
---|
725 | CUT LINE: |
---|
726 | 407546.08 , 6437277.542 |
---|
727 | 407329.32 , 6437489.482 |
---|
728 | 407283.11 , 6437541.232 |
---|
729 | SURFACE LINE: |
---|
730 | 407546.08, 6437277.54, 52.14 |
---|
731 | 407538.88, 6437284.58, 51.07 |
---|
732 | 407531.68, 6437291.62, 50.56 |
---|
733 | 407524.48, 6437298.66, 49.58 |
---|
734 | 407517.28, 6437305.70, 49.09 |
---|
735 | 407510.08, 6437312.74, 48.76 |
---|
736 | END: |
---|
737 | |
---|
738 | CROSS-SECTION: |
---|
739 | STREAM ID:Swan River |
---|
740 | REACH ID:Swan Mouth |
---|
741 | STATION:840.* |
---|
742 | CUT LINE: |
---|
743 | 381178.0855 , 6452559.0685 |
---|
744 | 380485.4755 , 6453169.272 |
---|
745 | SURFACE LINE: |
---|
746 | 381178.09, 6452559.07, 4.17 |
---|
747 | 381169.49, 6452566.64, 4.26 |
---|
748 | 381157.78, 6452576.96, 4.34 |
---|
749 | 381155.97, 6452578.56, 4.35 |
---|
750 | 381143.72, 6452589.35, 4.43 |
---|
751 | 381136.69, 6452595.54, 4.58 |
---|
752 | 381114.74, 6452614.88, 4.41 |
---|
753 | 381075.53, 6452649.43, 4.17 |
---|
754 | 381071.47, 6452653.00, 3.99 |
---|
755 | 381063.46, 6452660.06, 3.67 |
---|
756 | 381054.41, 6452668.03, 3.67 |
---|
757 | END: |
---|
758 | END CROSS-SECTIONS: |
---|
759 | """) |
---|
760 | |
---|
761 | fid.close() |
---|
762 | |
---|
763 | |
---|
764 | #Convert to NetCDF pts |
---|
765 | hecras_cross_sections2pts(root) |
---|
766 | |
---|
767 | #Check contents |
---|
768 | #Get NetCDF |
---|
769 | fid = NetCDFFile(root+'.pts', 'r') |
---|
770 | |
---|
771 | # Get the variables |
---|
772 | #print fid.variables.keys() |
---|
773 | points = fid.variables['points'] |
---|
774 | elevation = fid.variables['elevation'] |
---|
775 | |
---|
776 | #Check values |
---|
777 | ref_points = [[407546.08, 6437277.54], |
---|
778 | [407538.88, 6437284.58], |
---|
779 | [407531.68, 6437291.62], |
---|
780 | [407524.48, 6437298.66], |
---|
781 | [407517.28, 6437305.70], |
---|
782 | [407510.08, 6437312.74]] |
---|
783 | |
---|
784 | ref_points += [[381178.09, 6452559.07], |
---|
785 | [381169.49, 6452566.64], |
---|
786 | [381157.78, 6452576.96], |
---|
787 | [381155.97, 6452578.56], |
---|
788 | [381143.72, 6452589.35], |
---|
789 | [381136.69, 6452595.54], |
---|
790 | [381114.74, 6452614.88], |
---|
791 | [381075.53, 6452649.43], |
---|
792 | [381071.47, 6452653.00], |
---|
793 | [381063.46, 6452660.06], |
---|
794 | [381054.41, 6452668.03]] |
---|
795 | |
---|
796 | |
---|
797 | ref_elevation = [52.14, 51.07, 50.56, 49.58, 49.09, 48.76] |
---|
798 | ref_elevation += [4.17, 4.26, 4.34, 4.35, 4.43, 4.58, 4.41, 4.17, 3.99, 3.67, 3.67] |
---|
799 | |
---|
800 | #print points[:] |
---|
801 | #print ref_points |
---|
802 | assert allclose(points, ref_points) |
---|
803 | |
---|
804 | #print attributes[:] |
---|
805 | #print ref_elevation |
---|
806 | assert allclose(elevation, ref_elevation) |
---|
807 | |
---|
808 | #Cleanup |
---|
809 | fid.close() |
---|
810 | |
---|
811 | |
---|
812 | os.remove(root + '.sdf') |
---|
813 | os.remove(root + '.pts') |
---|
814 | |
---|
815 | |
---|
816 | |
---|
817 | def test_sww2dem_asc_elevation(self): |
---|
818 | """Test that sww information can be converted correctly to asc/prj |
---|
819 | format readable by e.g. ArcView |
---|
820 | """ |
---|
821 | |
---|
822 | import time, os |
---|
823 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
824 | from Scientific.IO.NetCDF import NetCDFFile |
---|
825 | |
---|
826 | #Setup |
---|
827 | self.domain.filename = 'datatest' |
---|
828 | |
---|
829 | prjfile = self.domain.filename + '_elevation.prj' |
---|
830 | ascfile = self.domain.filename + '_elevation.asc' |
---|
831 | swwfile = self.domain.filename + '.sww' |
---|
832 | |
---|
833 | self.domain.set_datadir('.') |
---|
834 | self.domain.format = 'sww' |
---|
835 | self.domain.smooth = True |
---|
836 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
837 | |
---|
838 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
839 | |
---|
840 | sww = get_dataobject(self.domain) |
---|
841 | sww.store_connectivity() |
---|
842 | sww.store_timestep('stage') |
---|
843 | |
---|
844 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
845 | sww.store_timestep('stage') |
---|
846 | |
---|
847 | cellsize = 0.25 |
---|
848 | #Check contents |
---|
849 | #Get NetCDF |
---|
850 | |
---|
851 | fid = NetCDFFile(sww.filename, 'r') |
---|
852 | |
---|
853 | # Get the variables |
---|
854 | x = fid.variables['x'][:] |
---|
855 | y = fid.variables['y'][:] |
---|
856 | z = fid.variables['elevation'][:] |
---|
857 | time = fid.variables['time'][:] |
---|
858 | stage = fid.variables['stage'][:] |
---|
859 | |
---|
860 | |
---|
861 | #Export to ascii/prj files |
---|
862 | sww2dem(self.domain.filename, |
---|
863 | quantity = 'elevation', |
---|
864 | cellsize = cellsize, |
---|
865 | verbose = False, |
---|
866 | format = 'asc') |
---|
867 | |
---|
868 | #Check prj (meta data) |
---|
869 | prjid = open(prjfile) |
---|
870 | lines = prjid.readlines() |
---|
871 | prjid.close() |
---|
872 | |
---|
873 | L = lines[0].strip().split() |
---|
874 | assert L[0].strip().lower() == 'projection' |
---|
875 | assert L[1].strip().lower() == 'utm' |
---|
876 | |
---|
877 | L = lines[1].strip().split() |
---|
878 | assert L[0].strip().lower() == 'zone' |
---|
879 | assert L[1].strip().lower() == '56' |
---|
880 | |
---|
881 | L = lines[2].strip().split() |
---|
882 | assert L[0].strip().lower() == 'datum' |
---|
883 | assert L[1].strip().lower() == 'wgs84' |
---|
884 | |
---|
885 | L = lines[3].strip().split() |
---|
886 | assert L[0].strip().lower() == 'zunits' |
---|
887 | assert L[1].strip().lower() == 'no' |
---|
888 | |
---|
889 | L = lines[4].strip().split() |
---|
890 | assert L[0].strip().lower() == 'units' |
---|
891 | assert L[1].strip().lower() == 'meters' |
---|
892 | |
---|
893 | L = lines[5].strip().split() |
---|
894 | assert L[0].strip().lower() == 'spheroid' |
---|
895 | assert L[1].strip().lower() == 'wgs84' |
---|
896 | |
---|
897 | L = lines[6].strip().split() |
---|
898 | assert L[0].strip().lower() == 'xshift' |
---|
899 | assert L[1].strip().lower() == '500000' |
---|
900 | |
---|
901 | L = lines[7].strip().split() |
---|
902 | assert L[0].strip().lower() == 'yshift' |
---|
903 | assert L[1].strip().lower() == '10000000' |
---|
904 | |
---|
905 | L = lines[8].strip().split() |
---|
906 | assert L[0].strip().lower() == 'parameters' |
---|
907 | |
---|
908 | |
---|
909 | #Check asc file |
---|
910 | ascid = open(ascfile) |
---|
911 | lines = ascid.readlines() |
---|
912 | ascid.close() |
---|
913 | |
---|
914 | L = lines[0].strip().split() |
---|
915 | assert L[0].strip().lower() == 'ncols' |
---|
916 | assert L[1].strip().lower() == '5' |
---|
917 | |
---|
918 | L = lines[1].strip().split() |
---|
919 | assert L[0].strip().lower() == 'nrows' |
---|
920 | assert L[1].strip().lower() == '5' |
---|
921 | |
---|
922 | L = lines[2].strip().split() |
---|
923 | assert L[0].strip().lower() == 'xllcorner' |
---|
924 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
925 | |
---|
926 | L = lines[3].strip().split() |
---|
927 | assert L[0].strip().lower() == 'yllcorner' |
---|
928 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
929 | |
---|
930 | L = lines[4].strip().split() |
---|
931 | assert L[0].strip().lower() == 'cellsize' |
---|
932 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
933 | |
---|
934 | L = lines[5].strip().split() |
---|
935 | assert L[0].strip() == 'NODATA_value' |
---|
936 | assert L[1].strip().lower() == '-9999' |
---|
937 | |
---|
938 | #Check grid values |
---|
939 | for j in range(5): |
---|
940 | L = lines[6+j].strip().split() |
---|
941 | y = (4-j) * cellsize |
---|
942 | for i in range(5): |
---|
943 | assert allclose(float(L[i]), -i*cellsize - y) |
---|
944 | |
---|
945 | |
---|
946 | fid.close() |
---|
947 | |
---|
948 | #Cleanup |
---|
949 | os.remove(prjfile) |
---|
950 | os.remove(ascfile) |
---|
951 | os.remove(swwfile) |
---|
952 | |
---|
953 | |
---|
954 | |
---|
955 | def test_sww2dem_larger(self): |
---|
956 | """Test that sww information can be converted correctly to asc/prj |
---|
957 | format readable by e.g. ArcView. Here: |
---|
958 | |
---|
959 | ncols 11 |
---|
960 | nrows 11 |
---|
961 | xllcorner 308500 |
---|
962 | yllcorner 6189000 |
---|
963 | cellsize 10.000000 |
---|
964 | NODATA_value -9999 |
---|
965 | -100 -110 -120 -130 -140 -150 -160 -170 -180 -190 -200 |
---|
966 | -90 -100 -110 -120 -130 -140 -150 -160 -170 -180 -190 |
---|
967 | -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 -180 |
---|
968 | -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 |
---|
969 | -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 |
---|
970 | -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 |
---|
971 | -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 |
---|
972 | -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 |
---|
973 | -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 |
---|
974 | -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 |
---|
975 | 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 |
---|
976 | |
---|
977 | """ |
---|
978 | |
---|
979 | import time, os |
---|
980 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
981 | from Scientific.IO.NetCDF import NetCDFFile |
---|
982 | |
---|
983 | #Setup |
---|
984 | |
---|
985 | from mesh_factory import rectangular |
---|
986 | |
---|
987 | #Create basic mesh (100m x 100m) |
---|
988 | points, vertices, boundary = rectangular(2, 2, 100, 100) |
---|
989 | |
---|
990 | #Create shallow water domain |
---|
991 | domain = Domain(points, vertices, boundary) |
---|
992 | domain.default_order = 2 |
---|
993 | |
---|
994 | domain.filename = 'datatest' |
---|
995 | |
---|
996 | prjfile = domain.filename + '_elevation.prj' |
---|
997 | ascfile = domain.filename + '_elevation.asc' |
---|
998 | swwfile = domain.filename + '.sww' |
---|
999 | |
---|
1000 | domain.set_datadir('.') |
---|
1001 | domain.format = 'sww' |
---|
1002 | domain.smooth = True |
---|
1003 | domain.geo_reference = Geo_reference(56, 308500, 6189000) |
---|
1004 | |
---|
1005 | # |
---|
1006 | domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1007 | domain.set_quantity('stage', 0) |
---|
1008 | |
---|
1009 | B = Transmissive_boundary(domain) |
---|
1010 | domain.set_boundary( {'left': B, 'right': B, 'top': B, 'bottom': B}) |
---|
1011 | |
---|
1012 | |
---|
1013 | # |
---|
1014 | sww = get_dataobject(domain) |
---|
1015 | sww.store_connectivity() |
---|
1016 | sww.store_timestep('stage') |
---|
1017 | |
---|
1018 | domain.evolve_to_end(finaltime = 0.01) |
---|
1019 | sww.store_timestep('stage') |
---|
1020 | |
---|
1021 | cellsize = 10 #10m grid |
---|
1022 | |
---|
1023 | |
---|
1024 | #Check contents |
---|
1025 | #Get NetCDF |
---|
1026 | |
---|
1027 | fid = NetCDFFile(sww.filename, 'r') |
---|
1028 | |
---|
1029 | # Get the variables |
---|
1030 | x = fid.variables['x'][:] |
---|
1031 | y = fid.variables['y'][:] |
---|
1032 | z = fid.variables['elevation'][:] |
---|
1033 | time = fid.variables['time'][:] |
---|
1034 | stage = fid.variables['stage'][:] |
---|
1035 | |
---|
1036 | |
---|
1037 | #Export to ascii/prj files |
---|
1038 | sww2dem(domain.filename, |
---|
1039 | quantity = 'elevation', |
---|
1040 | cellsize = cellsize, |
---|
1041 | verbose = False, |
---|
1042 | format = 'asc') |
---|
1043 | |
---|
1044 | |
---|
1045 | #Check prj (meta data) |
---|
1046 | prjid = open(prjfile) |
---|
1047 | lines = prjid.readlines() |
---|
1048 | prjid.close() |
---|
1049 | |
---|
1050 | L = lines[0].strip().split() |
---|
1051 | assert L[0].strip().lower() == 'projection' |
---|
1052 | assert L[1].strip().lower() == 'utm' |
---|
1053 | |
---|
1054 | L = lines[1].strip().split() |
---|
1055 | assert L[0].strip().lower() == 'zone' |
---|
1056 | assert L[1].strip().lower() == '56' |
---|
1057 | |
---|
1058 | L = lines[2].strip().split() |
---|
1059 | assert L[0].strip().lower() == 'datum' |
---|
1060 | assert L[1].strip().lower() == 'wgs84' |
---|
1061 | |
---|
1062 | L = lines[3].strip().split() |
---|
1063 | assert L[0].strip().lower() == 'zunits' |
---|
1064 | assert L[1].strip().lower() == 'no' |
---|
1065 | |
---|
1066 | L = lines[4].strip().split() |
---|
1067 | assert L[0].strip().lower() == 'units' |
---|
1068 | assert L[1].strip().lower() == 'meters' |
---|
1069 | |
---|
1070 | L = lines[5].strip().split() |
---|
1071 | assert L[0].strip().lower() == 'spheroid' |
---|
1072 | assert L[1].strip().lower() == 'wgs84' |
---|
1073 | |
---|
1074 | L = lines[6].strip().split() |
---|
1075 | assert L[0].strip().lower() == 'xshift' |
---|
1076 | assert L[1].strip().lower() == '500000' |
---|
1077 | |
---|
1078 | L = lines[7].strip().split() |
---|
1079 | assert L[0].strip().lower() == 'yshift' |
---|
1080 | assert L[1].strip().lower() == '10000000' |
---|
1081 | |
---|
1082 | L = lines[8].strip().split() |
---|
1083 | assert L[0].strip().lower() == 'parameters' |
---|
1084 | |
---|
1085 | |
---|
1086 | #Check asc file |
---|
1087 | ascid = open(ascfile) |
---|
1088 | lines = ascid.readlines() |
---|
1089 | ascid.close() |
---|
1090 | |
---|
1091 | L = lines[0].strip().split() |
---|
1092 | assert L[0].strip().lower() == 'ncols' |
---|
1093 | assert L[1].strip().lower() == '11' |
---|
1094 | |
---|
1095 | L = lines[1].strip().split() |
---|
1096 | assert L[0].strip().lower() == 'nrows' |
---|
1097 | assert L[1].strip().lower() == '11' |
---|
1098 | |
---|
1099 | L = lines[2].strip().split() |
---|
1100 | assert L[0].strip().lower() == 'xllcorner' |
---|
1101 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
1102 | |
---|
1103 | L = lines[3].strip().split() |
---|
1104 | assert L[0].strip().lower() == 'yllcorner' |
---|
1105 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
1106 | |
---|
1107 | L = lines[4].strip().split() |
---|
1108 | assert L[0].strip().lower() == 'cellsize' |
---|
1109 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
1110 | |
---|
1111 | L = lines[5].strip().split() |
---|
1112 | assert L[0].strip() == 'NODATA_value' |
---|
1113 | assert L[1].strip().lower() == '-9999' |
---|
1114 | |
---|
1115 | #Check grid values (FIXME: Use same strategy for other sww2dem tests) |
---|
1116 | for i, line in enumerate(lines[6:]): |
---|
1117 | for j, value in enumerate( line.split() ): |
---|
1118 | #assert allclose(float(value), -(10-i+j)*cellsize) |
---|
1119 | assert float(value) == -(10-i+j)*cellsize |
---|
1120 | |
---|
1121 | |
---|
1122 | fid.close() |
---|
1123 | |
---|
1124 | #Cleanup |
---|
1125 | os.remove(prjfile) |
---|
1126 | os.remove(ascfile) |
---|
1127 | os.remove(swwfile) |
---|
1128 | |
---|
1129 | |
---|
1130 | |
---|
1131 | def test_sww2dem_boundingbox(self): |
---|
1132 | """Test that sww information can be converted correctly to asc/prj |
---|
1133 | format readable by e.g. ArcView. |
---|
1134 | This will test that mesh can be restricted by bounding box |
---|
1135 | |
---|
1136 | Original extent is 100m x 100m: |
---|
1137 | |
---|
1138 | Eastings: 308500 - 308600 |
---|
1139 | Northings: 6189000 - 6189100 |
---|
1140 | |
---|
1141 | Bounding box changes this to the 50m x 50m square defined by |
---|
1142 | |
---|
1143 | Eastings: 308530 - 308570 |
---|
1144 | Northings: 6189050 - 6189100 |
---|
1145 | |
---|
1146 | The cropped values should be |
---|
1147 | |
---|
1148 | -130 -140 -150 -160 -170 |
---|
1149 | -120 -130 -140 -150 -160 |
---|
1150 | -110 -120 -130 -140 -150 |
---|
1151 | -100 -110 -120 -130 -140 |
---|
1152 | -90 -100 -110 -120 -130 |
---|
1153 | -80 -90 -100 -110 -120 |
---|
1154 | |
---|
1155 | and the new lower reference point should be |
---|
1156 | Eastings: 308530 |
---|
1157 | Northings: 6189050 |
---|
1158 | |
---|
1159 | Original dataset is the same as in test_sww2dem_larger() |
---|
1160 | |
---|
1161 | """ |
---|
1162 | |
---|
1163 | import time, os |
---|
1164 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
1165 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1166 | |
---|
1167 | #Setup |
---|
1168 | |
---|
1169 | from mesh_factory import rectangular |
---|
1170 | |
---|
1171 | #Create basic mesh (100m x 100m) |
---|
1172 | points, vertices, boundary = rectangular(2, 2, 100, 100) |
---|
1173 | |
---|
1174 | #Create shallow water domain |
---|
1175 | domain = Domain(points, vertices, boundary) |
---|
1176 | domain.default_order = 2 |
---|
1177 | |
---|
1178 | domain.filename = 'datatest' |
---|
1179 | |
---|
1180 | prjfile = domain.filename + '_elevation.prj' |
---|
1181 | ascfile = domain.filename + '_elevation.asc' |
---|
1182 | swwfile = domain.filename + '.sww' |
---|
1183 | |
---|
1184 | domain.set_datadir('.') |
---|
1185 | domain.format = 'sww' |
---|
1186 | domain.smooth = True |
---|
1187 | domain.geo_reference = Geo_reference(56, 308500, 6189000) |
---|
1188 | |
---|
1189 | # |
---|
1190 | domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1191 | domain.set_quantity('stage', 0) |
---|
1192 | |
---|
1193 | B = Transmissive_boundary(domain) |
---|
1194 | domain.set_boundary( {'left': B, 'right': B, 'top': B, 'bottom': B}) |
---|
1195 | |
---|
1196 | |
---|
1197 | # |
---|
1198 | sww = get_dataobject(domain) |
---|
1199 | sww.store_connectivity() |
---|
1200 | sww.store_timestep('stage') |
---|
1201 | |
---|
1202 | domain.evolve_to_end(finaltime = 0.01) |
---|
1203 | sww.store_timestep('stage') |
---|
1204 | |
---|
1205 | cellsize = 10 #10m grid |
---|
1206 | |
---|
1207 | |
---|
1208 | #Check contents |
---|
1209 | #Get NetCDF |
---|
1210 | |
---|
1211 | fid = NetCDFFile(sww.filename, 'r') |
---|
1212 | |
---|
1213 | # Get the variables |
---|
1214 | x = fid.variables['x'][:] |
---|
1215 | y = fid.variables['y'][:] |
---|
1216 | z = fid.variables['elevation'][:] |
---|
1217 | time = fid.variables['time'][:] |
---|
1218 | stage = fid.variables['stage'][:] |
---|
1219 | |
---|
1220 | |
---|
1221 | #Export to ascii/prj files |
---|
1222 | sww2dem(domain.filename, |
---|
1223 | quantity = 'elevation', |
---|
1224 | cellsize = cellsize, |
---|
1225 | easting_min = 308530, |
---|
1226 | easting_max = 308570, |
---|
1227 | northing_min = 6189050, |
---|
1228 | northing_max = 6189100, |
---|
1229 | verbose = False, |
---|
1230 | format = 'asc') |
---|
1231 | |
---|
1232 | fid.close() |
---|
1233 | |
---|
1234 | |
---|
1235 | #Check prj (meta data) |
---|
1236 | prjid = open(prjfile) |
---|
1237 | lines = prjid.readlines() |
---|
1238 | prjid.close() |
---|
1239 | |
---|
1240 | L = lines[0].strip().split() |
---|
1241 | assert L[0].strip().lower() == 'projection' |
---|
1242 | assert L[1].strip().lower() == 'utm' |
---|
1243 | |
---|
1244 | L = lines[1].strip().split() |
---|
1245 | assert L[0].strip().lower() == 'zone' |
---|
1246 | assert L[1].strip().lower() == '56' |
---|
1247 | |
---|
1248 | L = lines[2].strip().split() |
---|
1249 | assert L[0].strip().lower() == 'datum' |
---|
1250 | assert L[1].strip().lower() == 'wgs84' |
---|
1251 | |
---|
1252 | L = lines[3].strip().split() |
---|
1253 | assert L[0].strip().lower() == 'zunits' |
---|
1254 | assert L[1].strip().lower() == 'no' |
---|
1255 | |
---|
1256 | L = lines[4].strip().split() |
---|
1257 | assert L[0].strip().lower() == 'units' |
---|
1258 | assert L[1].strip().lower() == 'meters' |
---|
1259 | |
---|
1260 | L = lines[5].strip().split() |
---|
1261 | assert L[0].strip().lower() == 'spheroid' |
---|
1262 | assert L[1].strip().lower() == 'wgs84' |
---|
1263 | |
---|
1264 | L = lines[6].strip().split() |
---|
1265 | assert L[0].strip().lower() == 'xshift' |
---|
1266 | assert L[1].strip().lower() == '500000' |
---|
1267 | |
---|
1268 | L = lines[7].strip().split() |
---|
1269 | assert L[0].strip().lower() == 'yshift' |
---|
1270 | assert L[1].strip().lower() == '10000000' |
---|
1271 | |
---|
1272 | L = lines[8].strip().split() |
---|
1273 | assert L[0].strip().lower() == 'parameters' |
---|
1274 | |
---|
1275 | |
---|
1276 | #Check asc file |
---|
1277 | ascid = open(ascfile) |
---|
1278 | lines = ascid.readlines() |
---|
1279 | ascid.close() |
---|
1280 | |
---|
1281 | L = lines[0].strip().split() |
---|
1282 | assert L[0].strip().lower() == 'ncols' |
---|
1283 | assert L[1].strip().lower() == '5' |
---|
1284 | |
---|
1285 | L = lines[1].strip().split() |
---|
1286 | assert L[0].strip().lower() == 'nrows' |
---|
1287 | assert L[1].strip().lower() == '6' |
---|
1288 | |
---|
1289 | L = lines[2].strip().split() |
---|
1290 | assert L[0].strip().lower() == 'xllcorner' |
---|
1291 | assert allclose(float(L[1].strip().lower()), 308530) |
---|
1292 | |
---|
1293 | L = lines[3].strip().split() |
---|
1294 | assert L[0].strip().lower() == 'yllcorner' |
---|
1295 | assert allclose(float(L[1].strip().lower()), 6189050) |
---|
1296 | |
---|
1297 | L = lines[4].strip().split() |
---|
1298 | assert L[0].strip().lower() == 'cellsize' |
---|
1299 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
1300 | |
---|
1301 | L = lines[5].strip().split() |
---|
1302 | assert L[0].strip() == 'NODATA_value' |
---|
1303 | assert L[1].strip().lower() == '-9999' |
---|
1304 | |
---|
1305 | #Check grid values |
---|
1306 | for i, line in enumerate(lines[6:]): |
---|
1307 | for j, value in enumerate( line.split() ): |
---|
1308 | #assert float(value) == -(10-i+j)*cellsize |
---|
1309 | assert float(value) == -(10-i+j+3)*cellsize |
---|
1310 | |
---|
1311 | |
---|
1312 | |
---|
1313 | #Cleanup |
---|
1314 | os.remove(prjfile) |
---|
1315 | os.remove(ascfile) |
---|
1316 | os.remove(swwfile) |
---|
1317 | |
---|
1318 | |
---|
1319 | |
---|
1320 | def test_sww2dem_asc_stage_reduction(self): |
---|
1321 | """Test that sww information can be converted correctly to asc/prj |
---|
1322 | format readable by e.g. ArcView |
---|
1323 | |
---|
1324 | This tests the reduction of quantity stage using min |
---|
1325 | """ |
---|
1326 | |
---|
1327 | import time, os |
---|
1328 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
1329 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1330 | |
---|
1331 | #Setup |
---|
1332 | self.domain.filename = 'datatest' |
---|
1333 | |
---|
1334 | prjfile = self.domain.filename + '_stage.prj' |
---|
1335 | ascfile = self.domain.filename + '_stage.asc' |
---|
1336 | swwfile = self.domain.filename + '.sww' |
---|
1337 | |
---|
1338 | self.domain.set_datadir('.') |
---|
1339 | self.domain.format = 'sww' |
---|
1340 | self.domain.smooth = True |
---|
1341 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1342 | |
---|
1343 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
1344 | |
---|
1345 | |
---|
1346 | sww = get_dataobject(self.domain) |
---|
1347 | sww.store_connectivity() |
---|
1348 | sww.store_timestep('stage') |
---|
1349 | |
---|
1350 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
1351 | sww.store_timestep('stage') |
---|
1352 | |
---|
1353 | cellsize = 0.25 |
---|
1354 | #Check contents |
---|
1355 | #Get NetCDF |
---|
1356 | |
---|
1357 | fid = NetCDFFile(sww.filename, 'r') |
---|
1358 | |
---|
1359 | # Get the variables |
---|
1360 | x = fid.variables['x'][:] |
---|
1361 | y = fid.variables['y'][:] |
---|
1362 | z = fid.variables['elevation'][:] |
---|
1363 | time = fid.variables['time'][:] |
---|
1364 | stage = fid.variables['stage'][:] |
---|
1365 | |
---|
1366 | |
---|
1367 | #Export to ascii/prj files |
---|
1368 | sww2dem(self.domain.filename, |
---|
1369 | quantity = 'stage', |
---|
1370 | cellsize = cellsize, |
---|
1371 | reduction = min, |
---|
1372 | format = 'asc') |
---|
1373 | |
---|
1374 | |
---|
1375 | #Check asc file |
---|
1376 | ascid = open(ascfile) |
---|
1377 | lines = ascid.readlines() |
---|
1378 | ascid.close() |
---|
1379 | |
---|
1380 | L = lines[0].strip().split() |
---|
1381 | assert L[0].strip().lower() == 'ncols' |
---|
1382 | assert L[1].strip().lower() == '5' |
---|
1383 | |
---|
1384 | L = lines[1].strip().split() |
---|
1385 | assert L[0].strip().lower() == 'nrows' |
---|
1386 | assert L[1].strip().lower() == '5' |
---|
1387 | |
---|
1388 | L = lines[2].strip().split() |
---|
1389 | assert L[0].strip().lower() == 'xllcorner' |
---|
1390 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
1391 | |
---|
1392 | L = lines[3].strip().split() |
---|
1393 | assert L[0].strip().lower() == 'yllcorner' |
---|
1394 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
1395 | |
---|
1396 | L = lines[4].strip().split() |
---|
1397 | assert L[0].strip().lower() == 'cellsize' |
---|
1398 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
1399 | |
---|
1400 | L = lines[5].strip().split() |
---|
1401 | assert L[0].strip() == 'NODATA_value' |
---|
1402 | assert L[1].strip().lower() == '-9999' |
---|
1403 | |
---|
1404 | |
---|
1405 | #Check grid values (where applicable) |
---|
1406 | for j in range(5): |
---|
1407 | if j%2 == 0: |
---|
1408 | L = lines[6+j].strip().split() |
---|
1409 | jj = 4-j |
---|
1410 | for i in range(5): |
---|
1411 | if i%2 == 0: |
---|
1412 | index = jj/2 + i/2*3 |
---|
1413 | val0 = stage[0,index] |
---|
1414 | val1 = stage[1,index] |
---|
1415 | |
---|
1416 | #print i, j, index, ':', L[i], val0, val1 |
---|
1417 | assert allclose(float(L[i]), min(val0, val1)) |
---|
1418 | |
---|
1419 | |
---|
1420 | fid.close() |
---|
1421 | |
---|
1422 | #Cleanup |
---|
1423 | os.remove(prjfile) |
---|
1424 | os.remove(ascfile) |
---|
1425 | #os.remove(swwfile) |
---|
1426 | |
---|
1427 | |
---|
1428 | |
---|
1429 | def test_sww2dem_asc_derived_quantity(self): |
---|
1430 | """Test that sww information can be converted correctly to asc/prj |
---|
1431 | format readable by e.g. ArcView |
---|
1432 | |
---|
1433 | This tests the use of derived quantities |
---|
1434 | """ |
---|
1435 | |
---|
1436 | import time, os |
---|
1437 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
1438 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1439 | |
---|
1440 | #Setup |
---|
1441 | self.domain.filename = 'datatest' |
---|
1442 | |
---|
1443 | prjfile = self.domain.filename + '_depth.prj' |
---|
1444 | ascfile = self.domain.filename + '_depth.asc' |
---|
1445 | swwfile = self.domain.filename + '.sww' |
---|
1446 | |
---|
1447 | self.domain.set_datadir('.') |
---|
1448 | self.domain.format = 'sww' |
---|
1449 | self.domain.smooth = True |
---|
1450 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1451 | self.domain.set_quantity('stage', 0.0) |
---|
1452 | |
---|
1453 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
1454 | |
---|
1455 | |
---|
1456 | sww = get_dataobject(self.domain) |
---|
1457 | sww.store_connectivity() |
---|
1458 | sww.store_timestep('stage') |
---|
1459 | |
---|
1460 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
1461 | sww.store_timestep('stage') |
---|
1462 | |
---|
1463 | cellsize = 0.25 |
---|
1464 | #Check contents |
---|
1465 | #Get NetCDF |
---|
1466 | |
---|
1467 | fid = NetCDFFile(sww.filename, 'r') |
---|
1468 | |
---|
1469 | # Get the variables |
---|
1470 | x = fid.variables['x'][:] |
---|
1471 | y = fid.variables['y'][:] |
---|
1472 | z = fid.variables['elevation'][:] |
---|
1473 | time = fid.variables['time'][:] |
---|
1474 | stage = fid.variables['stage'][:] |
---|
1475 | |
---|
1476 | |
---|
1477 | #Export to ascii/prj files |
---|
1478 | sww2dem(self.domain.filename, |
---|
1479 | basename_out = 'datatest_depth', |
---|
1480 | quantity = 'stage - elevation', |
---|
1481 | cellsize = cellsize, |
---|
1482 | reduction = min, |
---|
1483 | format = 'asc', |
---|
1484 | verbose = False) |
---|
1485 | |
---|
1486 | |
---|
1487 | #Check asc file |
---|
1488 | ascid = open(ascfile) |
---|
1489 | lines = ascid.readlines() |
---|
1490 | ascid.close() |
---|
1491 | |
---|
1492 | L = lines[0].strip().split() |
---|
1493 | assert L[0].strip().lower() == 'ncols' |
---|
1494 | assert L[1].strip().lower() == '5' |
---|
1495 | |
---|
1496 | L = lines[1].strip().split() |
---|
1497 | assert L[0].strip().lower() == 'nrows' |
---|
1498 | assert L[1].strip().lower() == '5' |
---|
1499 | |
---|
1500 | L = lines[2].strip().split() |
---|
1501 | assert L[0].strip().lower() == 'xllcorner' |
---|
1502 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
1503 | |
---|
1504 | L = lines[3].strip().split() |
---|
1505 | assert L[0].strip().lower() == 'yllcorner' |
---|
1506 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
1507 | |
---|
1508 | L = lines[4].strip().split() |
---|
1509 | assert L[0].strip().lower() == 'cellsize' |
---|
1510 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
1511 | |
---|
1512 | L = lines[5].strip().split() |
---|
1513 | assert L[0].strip() == 'NODATA_value' |
---|
1514 | assert L[1].strip().lower() == '-9999' |
---|
1515 | |
---|
1516 | |
---|
1517 | #Check grid values (where applicable) |
---|
1518 | for j in range(5): |
---|
1519 | if j%2 == 0: |
---|
1520 | L = lines[6+j].strip().split() |
---|
1521 | jj = 4-j |
---|
1522 | for i in range(5): |
---|
1523 | if i%2 == 0: |
---|
1524 | index = jj/2 + i/2*3 |
---|
1525 | val0 = stage[0,index] - z[index] |
---|
1526 | val1 = stage[1,index] - z[index] |
---|
1527 | |
---|
1528 | #print i, j, index, ':', L[i], val0, val1 |
---|
1529 | assert allclose(float(L[i]), min(val0, val1)) |
---|
1530 | |
---|
1531 | |
---|
1532 | fid.close() |
---|
1533 | |
---|
1534 | #Cleanup |
---|
1535 | os.remove(prjfile) |
---|
1536 | os.remove(ascfile) |
---|
1537 | #os.remove(swwfile) |
---|
1538 | |
---|
1539 | |
---|
1540 | |
---|
1541 | |
---|
1542 | |
---|
1543 | def test_sww2dem_asc_missing_points(self): |
---|
1544 | """Test that sww information can be converted correctly to asc/prj |
---|
1545 | format readable by e.g. ArcView |
---|
1546 | |
---|
1547 | This test includes the writing of missing values |
---|
1548 | """ |
---|
1549 | |
---|
1550 | import time, os |
---|
1551 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
1552 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1553 | |
---|
1554 | #Setup mesh not coinciding with rectangle. |
---|
1555 | #This will cause missing values to occur in gridded data |
---|
1556 | |
---|
1557 | |
---|
1558 | points = [ [1.0, 1.0], |
---|
1559 | [0.5, 0.5], [1.0, 0.5], |
---|
1560 | [0.0, 0.0], [0.5, 0.0], [1.0, 0.0]] |
---|
1561 | |
---|
1562 | vertices = [ [4,1,3], [5,2,4], [1,4,2], [2,0,1]] |
---|
1563 | |
---|
1564 | #Create shallow water domain |
---|
1565 | domain = Domain(points, vertices) |
---|
1566 | domain.default_order=2 |
---|
1567 | |
---|
1568 | |
---|
1569 | #Set some field values |
---|
1570 | domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1571 | domain.set_quantity('friction', 0.03) |
---|
1572 | |
---|
1573 | |
---|
1574 | ###################### |
---|
1575 | # Boundary conditions |
---|
1576 | B = Transmissive_boundary(domain) |
---|
1577 | domain.set_boundary( {'exterior': B} ) |
---|
1578 | |
---|
1579 | |
---|
1580 | ###################### |
---|
1581 | #Initial condition - with jumps |
---|
1582 | |
---|
1583 | bed = domain.quantities['elevation'].vertex_values |
---|
1584 | stage = zeros(bed.shape, Float) |
---|
1585 | |
---|
1586 | h = 0.3 |
---|
1587 | for i in range(stage.shape[0]): |
---|
1588 | if i % 2 == 0: |
---|
1589 | stage[i,:] = bed[i,:] + h |
---|
1590 | else: |
---|
1591 | stage[i,:] = bed[i,:] |
---|
1592 | |
---|
1593 | domain.set_quantity('stage', stage) |
---|
1594 | domain.distribute_to_vertices_and_edges() |
---|
1595 | |
---|
1596 | domain.filename = 'datatest' |
---|
1597 | |
---|
1598 | prjfile = domain.filename + '_elevation.prj' |
---|
1599 | ascfile = domain.filename + '_elevation.asc' |
---|
1600 | swwfile = domain.filename + '.sww' |
---|
1601 | |
---|
1602 | domain.set_datadir('.') |
---|
1603 | domain.format = 'sww' |
---|
1604 | domain.smooth = True |
---|
1605 | |
---|
1606 | domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
1607 | |
---|
1608 | sww = get_dataobject(domain) |
---|
1609 | sww.store_connectivity() |
---|
1610 | sww.store_timestep('stage') |
---|
1611 | |
---|
1612 | cellsize = 0.25 |
---|
1613 | #Check contents |
---|
1614 | #Get NetCDF |
---|
1615 | |
---|
1616 | fid = NetCDFFile(swwfile, 'r') |
---|
1617 | |
---|
1618 | # Get the variables |
---|
1619 | x = fid.variables['x'][:] |
---|
1620 | y = fid.variables['y'][:] |
---|
1621 | z = fid.variables['elevation'][:] |
---|
1622 | time = fid.variables['time'][:] |
---|
1623 | |
---|
1624 | try: |
---|
1625 | geo_reference = Geo_reference(NetCDFObject=fid) |
---|
1626 | except AttributeError, e: |
---|
1627 | geo_reference = Geo_reference(DEFAULT_ZONE,0,0) |
---|
1628 | |
---|
1629 | #Export to ascii/prj files |
---|
1630 | sww2dem(domain.filename, |
---|
1631 | quantity = 'elevation', |
---|
1632 | cellsize = cellsize, |
---|
1633 | verbose = False, |
---|
1634 | format = 'asc') |
---|
1635 | |
---|
1636 | |
---|
1637 | #Check asc file |
---|
1638 | ascid = open(ascfile) |
---|
1639 | lines = ascid.readlines() |
---|
1640 | ascid.close() |
---|
1641 | |
---|
1642 | L = lines[0].strip().split() |
---|
1643 | assert L[0].strip().lower() == 'ncols' |
---|
1644 | assert L[1].strip().lower() == '5' |
---|
1645 | |
---|
1646 | L = lines[1].strip().split() |
---|
1647 | assert L[0].strip().lower() == 'nrows' |
---|
1648 | assert L[1].strip().lower() == '5' |
---|
1649 | |
---|
1650 | L = lines[2].strip().split() |
---|
1651 | assert L[0].strip().lower() == 'xllcorner' |
---|
1652 | assert allclose(float(L[1].strip().lower()), 308500) |
---|
1653 | |
---|
1654 | L = lines[3].strip().split() |
---|
1655 | assert L[0].strip().lower() == 'yllcorner' |
---|
1656 | assert allclose(float(L[1].strip().lower()), 6189000) |
---|
1657 | |
---|
1658 | L = lines[4].strip().split() |
---|
1659 | assert L[0].strip().lower() == 'cellsize' |
---|
1660 | assert allclose(float(L[1].strip().lower()), cellsize) |
---|
1661 | |
---|
1662 | L = lines[5].strip().split() |
---|
1663 | assert L[0].strip() == 'NODATA_value' |
---|
1664 | assert L[1].strip().lower() == '-9999' |
---|
1665 | |
---|
1666 | |
---|
1667 | #Check grid values |
---|
1668 | for j in range(5): |
---|
1669 | L = lines[6+j].strip().split() |
---|
1670 | y = (4-j) * cellsize |
---|
1671 | for i in range(5): |
---|
1672 | if i+j >= 4: |
---|
1673 | assert allclose(float(L[i]), -i*cellsize - y) |
---|
1674 | else: |
---|
1675 | #Missing values |
---|
1676 | assert allclose(float(L[i]), -9999) |
---|
1677 | |
---|
1678 | |
---|
1679 | |
---|
1680 | fid.close() |
---|
1681 | |
---|
1682 | #Cleanup |
---|
1683 | os.remove(prjfile) |
---|
1684 | os.remove(ascfile) |
---|
1685 | os.remove(swwfile) |
---|
1686 | |
---|
1687 | def test_sww2ers_simple(self): |
---|
1688 | """Test that sww information can be converted correctly to asc/prj |
---|
1689 | format readable by e.g. ArcView |
---|
1690 | """ |
---|
1691 | |
---|
1692 | import time, os |
---|
1693 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
1694 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1695 | |
---|
1696 | |
---|
1697 | NODATA_value = 1758323 |
---|
1698 | |
---|
1699 | #Setup |
---|
1700 | self.domain.filename = 'datatest' |
---|
1701 | |
---|
1702 | headerfile = self.domain.filename + '.ers' |
---|
1703 | swwfile = self.domain.filename + '.sww' |
---|
1704 | |
---|
1705 | self.domain.set_datadir('.') |
---|
1706 | self.domain.format = 'sww' |
---|
1707 | self.domain.smooth = True |
---|
1708 | self.domain.set_quantity('elevation', lambda x,y: -x-y) |
---|
1709 | |
---|
1710 | self.domain.geo_reference = Geo_reference(56,308500,6189000) |
---|
1711 | |
---|
1712 | sww = get_dataobject(self.domain) |
---|
1713 | sww.store_connectivity() |
---|
1714 | sww.store_timestep('stage') |
---|
1715 | |
---|
1716 | self.domain.evolve_to_end(finaltime = 0.01) |
---|
1717 | sww.store_timestep('stage') |
---|
1718 | |
---|
1719 | cellsize = 0.25 |
---|
1720 | #Check contents |
---|
1721 | #Get NetCDF |
---|
1722 | |
---|
1723 | fid = NetCDFFile(sww.filename, 'r') |
---|
1724 | |
---|
1725 | # Get the variables |
---|
1726 | x = fid.variables['x'][:] |
---|
1727 | y = fid.variables['y'][:] |
---|
1728 | z = fid.variables['elevation'][:] |
---|
1729 | time = fid.variables['time'][:] |
---|
1730 | stage = fid.variables['stage'][:] |
---|
1731 | |
---|
1732 | |
---|
1733 | #Export to ers files |
---|
1734 | #sww2ers(self.domain.filename, |
---|
1735 | # quantity = 'elevation', |
---|
1736 | # cellsize = cellsize, |
---|
1737 | # verbose = False) |
---|
1738 | |
---|
1739 | sww2dem(self.domain.filename, |
---|
1740 | quantity = 'elevation', |
---|
1741 | cellsize = cellsize, |
---|
1742 | NODATA_value = NODATA_value, |
---|
1743 | verbose = False, |
---|
1744 | format = 'ers') |
---|
1745 | |
---|
1746 | #Check header data |
---|
1747 | from ermapper_grids import read_ermapper_header, read_ermapper_data |
---|
1748 | |
---|
1749 | header = read_ermapper_header(self.domain.filename + '_elevation.ers') |
---|
1750 | #print header |
---|
1751 | assert header['projection'].lower() == '"utm-56"' |
---|
1752 | assert header['datum'].lower() == '"wgs84"' |
---|
1753 | assert header['units'].lower() == '"meters"' |
---|
1754 | assert header['value'].lower() == '"elevation"' |
---|
1755 | assert header['xdimension'] == '0.25' |
---|
1756 | assert header['ydimension'] == '0.25' |
---|
1757 | assert float(header['eastings']) == 308500.0 #xllcorner |
---|
1758 | assert float(header['northings']) == 6189000.0 #yllcorner |
---|
1759 | assert int(header['nroflines']) == 5 |
---|
1760 | assert int(header['nrofcellsperline']) == 5 |
---|
1761 | assert int(header['nullcellvalue']) == NODATA_value |
---|
1762 | #FIXME - there is more in the header |
---|
1763 | |
---|
1764 | |
---|
1765 | #Check grid data |
---|
1766 | grid = read_ermapper_data(self.domain.filename + '_elevation') |
---|
1767 | |
---|
1768 | #FIXME (Ole): Why is this the desired reference grid for -x-y? |
---|
1769 | ref_grid = [NODATA_value, NODATA_value, NODATA_value, NODATA_value, NODATA_value, |
---|
1770 | -1, -1.25, -1.5, -1.75, -2.0, |
---|
1771 | -0.75, -1.0, -1.25, -1.5, -1.75, |
---|
1772 | -0.5, -0.75, -1.0, -1.25, -1.5, |
---|
1773 | -0.25, -0.5, -0.75, -1.0, -1.25] |
---|
1774 | |
---|
1775 | |
---|
1776 | #print grid |
---|
1777 | assert allclose(grid, ref_grid) |
---|
1778 | |
---|
1779 | fid.close() |
---|
1780 | |
---|
1781 | #Cleanup |
---|
1782 | #FIXME the file clean-up doesn't work (eg Permission Denied Error) |
---|
1783 | #Done (Ole) - it was because sww2ers didn't close it's sww file |
---|
1784 | os.remove(sww.filename) |
---|
1785 | |
---|
1786 | |
---|
1787 | |
---|
1788 | def test_ferret2sww(self): |
---|
1789 | """Test that georeferencing etc works when converting from |
---|
1790 | ferret format (lat/lon) to sww format (UTM) |
---|
1791 | """ |
---|
1792 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1793 | |
---|
1794 | #The test file has |
---|
1795 | # LON = 150.66667, 150.83334, 151, 151.16667 |
---|
1796 | # LAT = -34.5, -34.33333, -34.16667, -34 ; |
---|
1797 | # TIME = 0, 0.1, 0.6, 1.1, 1.6, 2.1 ; |
---|
1798 | # |
---|
1799 | # First value (index=0) in small_ha.nc is 0.3400644 cm, |
---|
1800 | # Fourth value (index==3) is -6.50198 cm |
---|
1801 | |
---|
1802 | |
---|
1803 | from coordinate_transforms.redfearn import redfearn |
---|
1804 | |
---|
1805 | fid = NetCDFFile('small_ha.nc') |
---|
1806 | first_value = fid.variables['HA'][:][0,0,0] |
---|
1807 | fourth_value = fid.variables['HA'][:][0,0,3] |
---|
1808 | |
---|
1809 | |
---|
1810 | #Call conversion (with zero origin) |
---|
1811 | ferret2sww('small', verbose=False, |
---|
1812 | origin = (56, 0, 0)) |
---|
1813 | |
---|
1814 | |
---|
1815 | #Work out the UTM coordinates for first point |
---|
1816 | zone, e, n = redfearn(-34.5, 150.66667) |
---|
1817 | #print zone, e, n |
---|
1818 | |
---|
1819 | #Read output file 'small.sww' |
---|
1820 | fid = NetCDFFile('small.sww') |
---|
1821 | |
---|
1822 | x = fid.variables['x'][:] |
---|
1823 | y = fid.variables['y'][:] |
---|
1824 | |
---|
1825 | #Check that first coordinate is correctly represented |
---|
1826 | assert allclose(x[0], e) |
---|
1827 | assert allclose(y[0], n) |
---|
1828 | |
---|
1829 | #Check first value |
---|
1830 | stage = fid.variables['stage'][:] |
---|
1831 | xmomentum = fid.variables['xmomentum'][:] |
---|
1832 | ymomentum = fid.variables['ymomentum'][:] |
---|
1833 | |
---|
1834 | #print ymomentum |
---|
1835 | |
---|
1836 | assert allclose(stage[0,0], first_value/100) #Meters |
---|
1837 | |
---|
1838 | #Check fourth value |
---|
1839 | assert allclose(stage[0,3], fourth_value/100) #Meters |
---|
1840 | |
---|
1841 | fid.close() |
---|
1842 | |
---|
1843 | #Cleanup |
---|
1844 | import os |
---|
1845 | os.remove('small.sww') |
---|
1846 | |
---|
1847 | |
---|
1848 | |
---|
1849 | def test_ferret2sww_2(self): |
---|
1850 | """Test that georeferencing etc works when converting from |
---|
1851 | ferret format (lat/lon) to sww format (UTM) |
---|
1852 | """ |
---|
1853 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1854 | |
---|
1855 | #The test file has |
---|
1856 | # LON = 150.66667, 150.83334, 151, 151.16667 |
---|
1857 | # LAT = -34.5, -34.33333, -34.16667, -34 ; |
---|
1858 | # TIME = 0, 0.1, 0.6, 1.1, 1.6, 2.1 ; |
---|
1859 | # |
---|
1860 | # First value (index=0) in small_ha.nc is 0.3400644 cm, |
---|
1861 | # Fourth value (index==3) is -6.50198 cm |
---|
1862 | |
---|
1863 | |
---|
1864 | from coordinate_transforms.redfearn import redfearn |
---|
1865 | |
---|
1866 | fid = NetCDFFile('small_ha.nc') |
---|
1867 | |
---|
1868 | #Pick a coordinate and a value |
---|
1869 | |
---|
1870 | time_index = 1 |
---|
1871 | lat_index = 0 |
---|
1872 | lon_index = 2 |
---|
1873 | |
---|
1874 | test_value = fid.variables['HA'][:][time_index, lat_index, lon_index] |
---|
1875 | test_time = fid.variables['TIME'][:][time_index] |
---|
1876 | test_lat = fid.variables['LAT'][:][lat_index] |
---|
1877 | test_lon = fid.variables['LON'][:][lon_index] |
---|
1878 | |
---|
1879 | linear_point_index = lat_index*4 + lon_index |
---|
1880 | fid.close() |
---|
1881 | |
---|
1882 | #Call conversion (with zero origin) |
---|
1883 | ferret2sww('small', verbose=False, |
---|
1884 | origin = (56, 0, 0)) |
---|
1885 | |
---|
1886 | |
---|
1887 | #Work out the UTM coordinates for test point |
---|
1888 | zone, e, n = redfearn(test_lat, test_lon) |
---|
1889 | |
---|
1890 | #Read output file 'small.sww' |
---|
1891 | fid = NetCDFFile('small.sww') |
---|
1892 | |
---|
1893 | x = fid.variables['x'][:] |
---|
1894 | y = fid.variables['y'][:] |
---|
1895 | |
---|
1896 | #Check that test coordinate is correctly represented |
---|
1897 | assert allclose(x[linear_point_index], e) |
---|
1898 | assert allclose(y[linear_point_index], n) |
---|
1899 | |
---|
1900 | #Check test value |
---|
1901 | stage = fid.variables['stage'][:] |
---|
1902 | |
---|
1903 | assert allclose(stage[time_index, linear_point_index], test_value/100) |
---|
1904 | |
---|
1905 | fid.close() |
---|
1906 | |
---|
1907 | #Cleanup |
---|
1908 | import os |
---|
1909 | os.remove('small.sww') |
---|
1910 | |
---|
1911 | |
---|
1912 | |
---|
1913 | def test_ferret2sww3(self): |
---|
1914 | """Elevation included |
---|
1915 | """ |
---|
1916 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1917 | |
---|
1918 | #The test file has |
---|
1919 | # LON = 150.66667, 150.83334, 151, 151.16667 |
---|
1920 | # LAT = -34.5, -34.33333, -34.16667, -34 ; |
---|
1921 | # ELEVATION = [-1 -2 -3 -4 |
---|
1922 | # -5 -6 -7 -8 |
---|
1923 | # ... |
---|
1924 | # ... -16] |
---|
1925 | # where the top left corner is -1m, |
---|
1926 | # and the ll corner is -13.0m |
---|
1927 | # |
---|
1928 | # First value (index=0) in small_ha.nc is 0.3400644 cm, |
---|
1929 | # Fourth value (index==3) is -6.50198 cm |
---|
1930 | |
---|
1931 | from coordinate_transforms.redfearn import redfearn |
---|
1932 | import os |
---|
1933 | fid1 = NetCDFFile('test_ha.nc','w') |
---|
1934 | fid2 = NetCDFFile('test_ua.nc','w') |
---|
1935 | fid3 = NetCDFFile('test_va.nc','w') |
---|
1936 | fid4 = NetCDFFile('test_e.nc','w') |
---|
1937 | |
---|
1938 | h1_list = [150.66667,150.83334,151.] |
---|
1939 | h2_list = [-34.5,-34.33333] |
---|
1940 | |
---|
1941 | long_name = 'LON' |
---|
1942 | lat_name = 'LAT' |
---|
1943 | |
---|
1944 | nx = 3 |
---|
1945 | ny = 2 |
---|
1946 | |
---|
1947 | for fid in [fid1,fid2,fid3]: |
---|
1948 | fid.createDimension(long_name,nx) |
---|
1949 | fid.createVariable(long_name,'d',(long_name,)) |
---|
1950 | fid.variables[long_name].point_spacing='uneven' |
---|
1951 | fid.variables[long_name].units='degrees_east' |
---|
1952 | fid.variables[long_name].assignValue(h1_list) |
---|
1953 | |
---|
1954 | fid.createDimension(lat_name,ny) |
---|
1955 | fid.createVariable(lat_name,'d',(lat_name,)) |
---|
1956 | fid.variables[lat_name].point_spacing='uneven' |
---|
1957 | fid.variables[lat_name].units='degrees_north' |
---|
1958 | fid.variables[lat_name].assignValue(h2_list) |
---|
1959 | |
---|
1960 | fid.createDimension('TIME',2) |
---|
1961 | fid.createVariable('TIME','d',('TIME',)) |
---|
1962 | fid.variables['TIME'].point_spacing='uneven' |
---|
1963 | fid.variables['TIME'].units='seconds' |
---|
1964 | fid.variables['TIME'].assignValue([0.,1.]) |
---|
1965 | if fid == fid3: break |
---|
1966 | |
---|
1967 | |
---|
1968 | for fid in [fid4]: |
---|
1969 | fid.createDimension(long_name,nx) |
---|
1970 | fid.createVariable(long_name,'d',(long_name,)) |
---|
1971 | fid.variables[long_name].point_spacing='uneven' |
---|
1972 | fid.variables[long_name].units='degrees_east' |
---|
1973 | fid.variables[long_name].assignValue(h1_list) |
---|
1974 | |
---|
1975 | fid.createDimension(lat_name,ny) |
---|
1976 | fid.createVariable(lat_name,'d',(lat_name,)) |
---|
1977 | fid.variables[lat_name].point_spacing='uneven' |
---|
1978 | fid.variables[lat_name].units='degrees_north' |
---|
1979 | fid.variables[lat_name].assignValue(h2_list) |
---|
1980 | |
---|
1981 | name = {} |
---|
1982 | name[fid1]='HA' |
---|
1983 | name[fid2]='UA' |
---|
1984 | name[fid3]='VA' |
---|
1985 | name[fid4]='ELEVATION' |
---|
1986 | |
---|
1987 | units = {} |
---|
1988 | units[fid1]='cm' |
---|
1989 | units[fid2]='cm/s' |
---|
1990 | units[fid3]='cm/s' |
---|
1991 | units[fid4]='m' |
---|
1992 | |
---|
1993 | values = {} |
---|
1994 | values[fid1]=[[[5., 10.,15.], [13.,18.,23.]],[[50.,100.,150.],[130.,180.,230.]]] |
---|
1995 | values[fid2]=[[[1., 2.,3.], [4.,5.,6.]],[[7.,8.,9.],[10.,11.,12.]]] |
---|
1996 | values[fid3]=[[[13., 12.,11.], [10.,9.,8.]],[[7.,6.,5.],[4.,3.,2.]]] |
---|
1997 | values[fid4]=[[-3000,-3100,-3200],[-4000,-5000,-6000]] |
---|
1998 | |
---|
1999 | for fid in [fid1,fid2,fid3]: |
---|
2000 | fid.createVariable(name[fid],'d',('TIME',lat_name,long_name)) |
---|
2001 | fid.variables[name[fid]].point_spacing='uneven' |
---|
2002 | fid.variables[name[fid]].units=units[fid] |
---|
2003 | fid.variables[name[fid]].assignValue(values[fid]) |
---|
2004 | fid.variables[name[fid]].missing_value = -99999999. |
---|
2005 | if fid == fid3: break |
---|
2006 | |
---|
2007 | for fid in [fid4]: |
---|
2008 | fid.createVariable(name[fid],'d',(lat_name,long_name)) |
---|
2009 | fid.variables[name[fid]].point_spacing='uneven' |
---|
2010 | fid.variables[name[fid]].units=units[fid] |
---|
2011 | fid.variables[name[fid]].assignValue(values[fid]) |
---|
2012 | fid.variables[name[fid]].missing_value = -99999999. |
---|
2013 | |
---|
2014 | |
---|
2015 | fid1.sync(); fid1.close() |
---|
2016 | fid2.sync(); fid2.close() |
---|
2017 | fid3.sync(); fid3.close() |
---|
2018 | fid4.sync(); fid4.close() |
---|
2019 | |
---|
2020 | fid1 = NetCDFFile('test_ha.nc','r') |
---|
2021 | fid2 = NetCDFFile('test_e.nc','r') |
---|
2022 | fid3 = NetCDFFile('test_va.nc','r') |
---|
2023 | |
---|
2024 | |
---|
2025 | first_amp = fid1.variables['HA'][:][0,0,0] |
---|
2026 | third_amp = fid1.variables['HA'][:][0,0,2] |
---|
2027 | first_elevation = fid2.variables['ELEVATION'][0,0] |
---|
2028 | third_elevation= fid2.variables['ELEVATION'][:][0,2] |
---|
2029 | first_speed = fid3.variables['VA'][0,0,0] |
---|
2030 | third_speed = fid3.variables['VA'][:][0,0,2] |
---|
2031 | |
---|
2032 | fid1.close() |
---|
2033 | fid2.close() |
---|
2034 | fid3.close() |
---|
2035 | |
---|
2036 | #Call conversion (with zero origin) |
---|
2037 | ferret2sww('test', verbose=False, |
---|
2038 | origin = (56, 0, 0)) |
---|
2039 | |
---|
2040 | os.remove('test_va.nc') |
---|
2041 | os.remove('test_ua.nc') |
---|
2042 | os.remove('test_ha.nc') |
---|
2043 | os.remove('test_e.nc') |
---|
2044 | |
---|
2045 | #Read output file 'test.sww' |
---|
2046 | fid = NetCDFFile('test.sww') |
---|
2047 | |
---|
2048 | |
---|
2049 | #Check first value |
---|
2050 | elevation = fid.variables['elevation'][:] |
---|
2051 | stage = fid.variables['stage'][:] |
---|
2052 | xmomentum = fid.variables['xmomentum'][:] |
---|
2053 | ymomentum = fid.variables['ymomentum'][:] |
---|
2054 | |
---|
2055 | #print ymomentum |
---|
2056 | first_height = first_amp/100 - first_elevation |
---|
2057 | third_height = third_amp/100 - third_elevation |
---|
2058 | first_momentum=first_speed*first_height/100 |
---|
2059 | third_momentum=third_speed*third_height/100 |
---|
2060 | |
---|
2061 | assert allclose(ymomentum[0][0],first_momentum) #Meters |
---|
2062 | assert allclose(ymomentum[0][2],third_momentum) #Meters |
---|
2063 | |
---|
2064 | fid.close() |
---|
2065 | |
---|
2066 | #Cleanup |
---|
2067 | os.remove('test.sww') |
---|
2068 | |
---|
2069 | |
---|
2070 | |
---|
2071 | |
---|
2072 | def test_ferret2sww_nz_origin(self): |
---|
2073 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2074 | from coordinate_transforms.redfearn import redfearn |
---|
2075 | |
---|
2076 | #Call conversion (with nonzero origin) |
---|
2077 | ferret2sww('small', verbose=False, |
---|
2078 | origin = (56, 100000, 200000)) |
---|
2079 | |
---|
2080 | |
---|
2081 | #Work out the UTM coordinates for first point |
---|
2082 | zone, e, n = redfearn(-34.5, 150.66667) |
---|
2083 | |
---|
2084 | #Read output file 'small.sww' |
---|
2085 | fid = NetCDFFile('small.sww', 'r') |
---|
2086 | |
---|
2087 | x = fid.variables['x'][:] |
---|
2088 | y = fid.variables['y'][:] |
---|
2089 | |
---|
2090 | #Check that first coordinate is correctly represented |
---|
2091 | assert allclose(x[0], e-100000) |
---|
2092 | assert allclose(y[0], n-200000) |
---|
2093 | |
---|
2094 | fid.close() |
---|
2095 | |
---|
2096 | #Cleanup |
---|
2097 | os.remove('small.sww') |
---|
2098 | |
---|
2099 | |
---|
2100 | |
---|
2101 | def test_sww_extent(self): |
---|
2102 | """Not a test, rather a look at the sww format |
---|
2103 | """ |
---|
2104 | |
---|
2105 | import time, os |
---|
2106 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
2107 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2108 | |
---|
2109 | self.domain.filename = 'datatest' + str(id(self)) |
---|
2110 | self.domain.format = 'sww' |
---|
2111 | self.domain.smooth = True |
---|
2112 | self.domain.reduction = mean |
---|
2113 | self.domain.set_datadir('.') |
---|
2114 | |
---|
2115 | |
---|
2116 | sww = get_dataobject(self.domain) |
---|
2117 | sww.store_connectivity() |
---|
2118 | sww.store_timestep('stage') |
---|
2119 | self.domain.time = 2. |
---|
2120 | |
---|
2121 | #Modify stage at second timestep |
---|
2122 | stage = self.domain.quantities['stage'].vertex_values |
---|
2123 | self.domain.set_quantity('stage', stage/2) |
---|
2124 | |
---|
2125 | sww.store_timestep('stage') |
---|
2126 | |
---|
2127 | file_and_extension_name = self.domain.filename + ".sww" |
---|
2128 | #print "file_and_extension_name",file_and_extension_name |
---|
2129 | [xmin, xmax, ymin, ymax, stagemin, stagemax] = \ |
---|
2130 | extent_sww(file_and_extension_name ) |
---|
2131 | |
---|
2132 | assert allclose(xmin, 0.0) |
---|
2133 | assert allclose(xmax, 1.0) |
---|
2134 | assert allclose(ymin, 0.0) |
---|
2135 | assert allclose(ymax, 1.0) |
---|
2136 | assert allclose(stagemin, -0.85) |
---|
2137 | assert allclose(stagemax, 0.15) |
---|
2138 | |
---|
2139 | |
---|
2140 | #Cleanup |
---|
2141 | os.remove(sww.filename) |
---|
2142 | |
---|
2143 | |
---|
2144 | |
---|
2145 | def test_sww2domain(self): |
---|
2146 | ################################################ |
---|
2147 | #Create a test domain, and evolve and save it. |
---|
2148 | ################################################ |
---|
2149 | from mesh_factory import rectangular |
---|
2150 | from shallow_water import Domain, Reflective_boundary, Dirichlet_boundary,\ |
---|
2151 | Constant_height, Time_boundary, Transmissive_boundary |
---|
2152 | from Numeric import array |
---|
2153 | |
---|
2154 | #Create basic mesh |
---|
2155 | |
---|
2156 | yiel=0.01 |
---|
2157 | points, vertices, boundary = rectangular(10,10) |
---|
2158 | |
---|
2159 | #Create shallow water domain |
---|
2160 | domain = Domain(points, vertices, boundary) |
---|
2161 | domain.geo_reference = Geo_reference(56,11,11) |
---|
2162 | domain.smooth = False |
---|
2163 | domain.visualise = False |
---|
2164 | domain.store = True |
---|
2165 | domain.filename = 'bedslope' |
---|
2166 | domain.default_order=2 |
---|
2167 | #Bed-slope and friction |
---|
2168 | domain.set_quantity('elevation', lambda x,y: -x/3) |
---|
2169 | domain.set_quantity('friction', 0.1) |
---|
2170 | # Boundary conditions |
---|
2171 | from math import sin, pi |
---|
2172 | Br = Reflective_boundary(domain) |
---|
2173 | Bt = Transmissive_boundary(domain) |
---|
2174 | Bd = Dirichlet_boundary([0.2,0.,0.]) |
---|
2175 | Bw = Time_boundary(domain=domain, |
---|
2176 | f=lambda t: [(0.1*sin(t*2*pi)), 0.0, 0.0]) |
---|
2177 | |
---|
2178 | #domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
2179 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
2180 | |
---|
2181 | domain.quantities_to_be_stored.extend(['xmomentum','ymomentum']) |
---|
2182 | #Initial condition |
---|
2183 | h = 0.05 |
---|
2184 | elevation = domain.quantities['elevation'].vertex_values |
---|
2185 | domain.set_quantity('stage', elevation + h) |
---|
2186 | #elevation = domain.get_quantity('elevation') |
---|
2187 | #domain.set_quantity('stage', elevation + h) |
---|
2188 | |
---|
2189 | domain.check_integrity() |
---|
2190 | #Evolution |
---|
2191 | for t in domain.evolve(yieldstep = yiel, finaltime = 0.05): |
---|
2192 | # domain.write_time() |
---|
2193 | pass |
---|
2194 | |
---|
2195 | |
---|
2196 | ########################################## |
---|
2197 | #Import the example's file as a new domain |
---|
2198 | ########################################## |
---|
2199 | from data_manager import sww2domain |
---|
2200 | from Numeric import allclose |
---|
2201 | import os |
---|
2202 | |
---|
2203 | filename = domain.datadir+os.sep+domain.filename+'.sww' |
---|
2204 | domain2 = sww2domain(filename,None,fail_if_NaN=False,verbose = False) |
---|
2205 | #points, vertices, boundary = rectangular(15,15) |
---|
2206 | #domain2.boundary = boundary |
---|
2207 | ################### |
---|
2208 | ##NOW TEST IT!!! |
---|
2209 | ################### |
---|
2210 | |
---|
2211 | bits = ['vertex_coordinates'] |
---|
2212 | for quantity in ['elevation']+domain.quantities_to_be_stored: |
---|
2213 | bits.append('quantities["%s"].get_integral()'%quantity) |
---|
2214 | bits.append('get_quantity("%s")'%quantity) |
---|
2215 | |
---|
2216 | for bit in bits: |
---|
2217 | #print 'testing that domain.'+bit+' has been restored' |
---|
2218 | #print bit |
---|
2219 | #print 'done' |
---|
2220 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
2221 | |
---|
2222 | ###################################### |
---|
2223 | #Now evolve them both, just to be sure |
---|
2224 | ######################################x |
---|
2225 | visualise = False |
---|
2226 | #visualise = True |
---|
2227 | domain.visualise = visualise |
---|
2228 | domain.time = 0. |
---|
2229 | from time import sleep |
---|
2230 | |
---|
2231 | final = .1 |
---|
2232 | domain.set_quantity('friction', 0.1) |
---|
2233 | domain.store = False |
---|
2234 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
2235 | |
---|
2236 | |
---|
2237 | for t in domain.evolve(yieldstep = yiel, finaltime = final): |
---|
2238 | if visualise: sleep(1.) |
---|
2239 | #domain.write_time() |
---|
2240 | pass |
---|
2241 | |
---|
2242 | final = final - (domain2.starttime-domain.starttime) |
---|
2243 | #BUT since domain1 gets time hacked back to 0: |
---|
2244 | final = final + (domain2.starttime-domain.starttime) |
---|
2245 | |
---|
2246 | domain2.smooth = False |
---|
2247 | domain2.visualise = visualise |
---|
2248 | domain2.store = False |
---|
2249 | domain2.default_order=2 |
---|
2250 | domain2.set_quantity('friction', 0.1) |
---|
2251 | #Bed-slope and friction |
---|
2252 | # Boundary conditions |
---|
2253 | Bd2=Dirichlet_boundary([0.2,0.,0.]) |
---|
2254 | domain2.boundary = domain.boundary |
---|
2255 | #print 'domain2.boundary' |
---|
2256 | #print domain2.boundary |
---|
2257 | domain2.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
2258 | #domain2.set_boundary({'exterior': Bd}) |
---|
2259 | |
---|
2260 | domain2.check_integrity() |
---|
2261 | |
---|
2262 | for t in domain2.evolve(yieldstep = yiel, finaltime = final): |
---|
2263 | if visualise: sleep(1.) |
---|
2264 | #domain2.write_time() |
---|
2265 | pass |
---|
2266 | |
---|
2267 | ################### |
---|
2268 | ##NOW TEST IT!!! |
---|
2269 | ################## |
---|
2270 | |
---|
2271 | bits = [ 'vertex_coordinates'] |
---|
2272 | |
---|
2273 | for quantity in ['elevation','xmomentum','ymomentum']:#+domain.quantities_to_be_stored: |
---|
2274 | bits.append('quantities["%s"].get_integral()'%quantity) |
---|
2275 | bits.append('get_quantity("%s")'%quantity) |
---|
2276 | |
---|
2277 | for bit in bits: |
---|
2278 | #print bit |
---|
2279 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
2280 | |
---|
2281 | |
---|
2282 | def test_sww2domain2(self): |
---|
2283 | ################################################################## |
---|
2284 | #Same as previous test, but this checks how NaNs are handled. |
---|
2285 | ################################################################## |
---|
2286 | |
---|
2287 | |
---|
2288 | from mesh_factory import rectangular |
---|
2289 | from shallow_water import Domain, Reflective_boundary, Dirichlet_boundary,\ |
---|
2290 | Constant_height, Time_boundary, Transmissive_boundary |
---|
2291 | from Numeric import array |
---|
2292 | |
---|
2293 | #Create basic mesh |
---|
2294 | points, vertices, boundary = rectangular(2,2) |
---|
2295 | |
---|
2296 | #Create shallow water domain |
---|
2297 | domain = Domain(points, vertices, boundary) |
---|
2298 | domain.smooth = False |
---|
2299 | domain.visualise = False |
---|
2300 | domain.store = True |
---|
2301 | domain.filename = 'bedslope' |
---|
2302 | domain.default_order=2 |
---|
2303 | domain.quantities_to_be_stored=['stage'] |
---|
2304 | |
---|
2305 | domain.set_quantity('elevation', lambda x,y: -x/3) |
---|
2306 | domain.set_quantity('friction', 0.1) |
---|
2307 | |
---|
2308 | from math import sin, pi |
---|
2309 | Br = Reflective_boundary(domain) |
---|
2310 | Bt = Transmissive_boundary(domain) |
---|
2311 | Bd = Dirichlet_boundary([0.2,0.,0.]) |
---|
2312 | Bw = Time_boundary(domain=domain, |
---|
2313 | f=lambda t: [(0.1*sin(t*2*pi)), 0.0, 0.0]) |
---|
2314 | |
---|
2315 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
2316 | |
---|
2317 | h = 0.05 |
---|
2318 | elevation = domain.quantities['elevation'].vertex_values |
---|
2319 | domain.set_quantity('stage', elevation + h) |
---|
2320 | |
---|
2321 | domain.check_integrity() |
---|
2322 | |
---|
2323 | for t in domain.evolve(yieldstep = 1, finaltime = 2.0): |
---|
2324 | pass |
---|
2325 | #domain.write_time() |
---|
2326 | |
---|
2327 | |
---|
2328 | |
---|
2329 | ################################## |
---|
2330 | #Import the file as a new domain |
---|
2331 | ################################## |
---|
2332 | from data_manager import sww2domain |
---|
2333 | from Numeric import allclose |
---|
2334 | import os |
---|
2335 | |
---|
2336 | filename = domain.datadir+os.sep+domain.filename+'.sww' |
---|
2337 | |
---|
2338 | #Fail because NaNs are present |
---|
2339 | try: |
---|
2340 | domain2 = sww2domain(filename,boundary,fail_if_NaN=True,verbose=False) |
---|
2341 | assert True == False |
---|
2342 | except: |
---|
2343 | #Now import it, filling NaNs to be 0 |
---|
2344 | filler = 0 |
---|
2345 | domain2 = sww2domain(filename,None,fail_if_NaN=False,NaN_filler = filler,verbose=False) |
---|
2346 | bits = [ 'geo_reference.get_xllcorner()', |
---|
2347 | 'geo_reference.get_yllcorner()', |
---|
2348 | 'vertex_coordinates'] |
---|
2349 | |
---|
2350 | for quantity in ['elevation']+domain.quantities_to_be_stored: |
---|
2351 | bits.append('quantities["%s"].get_integral()'%quantity) |
---|
2352 | bits.append('get_quantity("%s")'%quantity) |
---|
2353 | |
---|
2354 | for bit in bits: |
---|
2355 | # print 'testing that domain.'+bit+' has been restored' |
---|
2356 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
2357 | |
---|
2358 | assert max(max(domain2.get_quantity('xmomentum')))==filler |
---|
2359 | assert min(min(domain2.get_quantity('xmomentum')))==filler |
---|
2360 | assert max(max(domain2.get_quantity('ymomentum')))==filler |
---|
2361 | assert min(min(domain2.get_quantity('ymomentum')))==filler |
---|
2362 | |
---|
2363 | #print 'passed' |
---|
2364 | |
---|
2365 | #cleanup |
---|
2366 | #import os |
---|
2367 | #os.remove(domain.datadir+'/'+domain.filename+'.sww') |
---|
2368 | |
---|
2369 | |
---|
2370 | #def test_weed(self): |
---|
2371 | from data_manager import weed |
---|
2372 | |
---|
2373 | coordinates1 = [[0.,0.],[1.,0.],[1.,1.],[1.,0.],[2.,0.],[1.,1.]] |
---|
2374 | volumes1 = [[0,1,2],[3,4,5]] |
---|
2375 | boundary1= {(0,1): 'external',(1,2): 'not external',(2,0): 'external',(3,4): 'external',(4,5): 'external',(5,3): 'not external'} |
---|
2376 | coordinates2,volumes2,boundary2=weed(coordinates1,volumes1,boundary1) |
---|
2377 | |
---|
2378 | points2 = {(0.,0.):None,(1.,0.):None,(1.,1.):None,(2.,0.):None} |
---|
2379 | |
---|
2380 | assert len(points2)==len(coordinates2) |
---|
2381 | for i in range(len(coordinates2)): |
---|
2382 | coordinate = tuple(coordinates2[i]) |
---|
2383 | assert points2.has_key(coordinate) |
---|
2384 | points2[coordinate]=i |
---|
2385 | |
---|
2386 | for triangle in volumes1: |
---|
2387 | for coordinate in triangle: |
---|
2388 | assert coordinates2[points2[tuple(coordinates1[coordinate])]][0]==coordinates1[coordinate][0] |
---|
2389 | assert coordinates2[points2[tuple(coordinates1[coordinate])]][1]==coordinates1[coordinate][1] |
---|
2390 | |
---|
2391 | |
---|
2392 | #FIXME This fails - smooth makes the comparism too hard for allclose |
---|
2393 | def ztest_sww2domain3(self): |
---|
2394 | ################################################ |
---|
2395 | #DOMAIN.SMOOTH = TRUE !!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
2396 | ################################################ |
---|
2397 | from mesh_factory import rectangular |
---|
2398 | from shallow_water import Domain, Reflective_boundary, Dirichlet_boundary,\ |
---|
2399 | Constant_height, Time_boundary, Transmissive_boundary |
---|
2400 | from Numeric import array |
---|
2401 | #Create basic mesh |
---|
2402 | |
---|
2403 | yiel=0.01 |
---|
2404 | points, vertices, boundary = rectangular(10,10) |
---|
2405 | |
---|
2406 | #Create shallow water domain |
---|
2407 | domain = Domain(points, vertices, boundary) |
---|
2408 | domain.geo_reference = Geo_reference(56,11,11) |
---|
2409 | domain.smooth = True |
---|
2410 | domain.visualise = False |
---|
2411 | domain.store = True |
---|
2412 | domain.filename = 'bedslope' |
---|
2413 | domain.default_order=2 |
---|
2414 | #Bed-slope and friction |
---|
2415 | domain.set_quantity('elevation', lambda x,y: -x/3) |
---|
2416 | domain.set_quantity('friction', 0.1) |
---|
2417 | # Boundary conditions |
---|
2418 | from math import sin, pi |
---|
2419 | Br = Reflective_boundary(domain) |
---|
2420 | Bt = Transmissive_boundary(domain) |
---|
2421 | Bd = Dirichlet_boundary([0.2,0.,0.]) |
---|
2422 | Bw = Time_boundary(domain=domain, |
---|
2423 | f=lambda t: [(0.1*sin(t*2*pi)), 0.0, 0.0]) |
---|
2424 | |
---|
2425 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Bd}) |
---|
2426 | |
---|
2427 | domain.quantities_to_be_stored.extend(['xmomentum','ymomentum']) |
---|
2428 | #Initial condition |
---|
2429 | h = 0.05 |
---|
2430 | elevation = domain.quantities['elevation'].vertex_values |
---|
2431 | domain.set_quantity('stage', elevation + h) |
---|
2432 | #elevation = domain.get_quantity('elevation') |
---|
2433 | #domain.set_quantity('stage', elevation + h) |
---|
2434 | |
---|
2435 | domain.check_integrity() |
---|
2436 | #Evolution |
---|
2437 | for t in domain.evolve(yieldstep = yiel, finaltime = 0.05): |
---|
2438 | # domain.write_time() |
---|
2439 | pass |
---|
2440 | |
---|
2441 | |
---|
2442 | ########################################## |
---|
2443 | #Import the example's file as a new domain |
---|
2444 | ########################################## |
---|
2445 | from data_manager import sww2domain |
---|
2446 | from Numeric import allclose |
---|
2447 | import os |
---|
2448 | |
---|
2449 | filename = domain.datadir+os.sep+domain.filename+'.sww' |
---|
2450 | domain2 = sww2domain(filename,None,fail_if_NaN=False,verbose = False) |
---|
2451 | #points, vertices, boundary = rectangular(15,15) |
---|
2452 | #domain2.boundary = boundary |
---|
2453 | ################### |
---|
2454 | ##NOW TEST IT!!! |
---|
2455 | ################### |
---|
2456 | |
---|
2457 | #FIXME smooth domain so that they can be compared |
---|
2458 | |
---|
2459 | |
---|
2460 | bits = []#'vertex_coordinates'] |
---|
2461 | for quantity in ['elevation']+domain.quantities_to_be_stored: |
---|
2462 | bits.append('quantities["%s"].get_integral()'%quantity) |
---|
2463 | #bits.append('get_quantity("%s")'%quantity) |
---|
2464 | |
---|
2465 | for bit in bits: |
---|
2466 | #print 'testing that domain.'+bit+' has been restored' |
---|
2467 | #print bit |
---|
2468 | #print 'done' |
---|
2469 | #print ('domain.'+bit), eval('domain.'+bit) |
---|
2470 | #print ('domain2.'+bit), eval('domain2.'+bit) |
---|
2471 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit),rtol=1.0e-1,atol=1.e-3) |
---|
2472 | pass |
---|
2473 | |
---|
2474 | ###################################### |
---|
2475 | #Now evolve them both, just to be sure |
---|
2476 | ######################################x |
---|
2477 | visualise = False |
---|
2478 | visualise = True |
---|
2479 | domain.visualise = visualise |
---|
2480 | domain.time = 0. |
---|
2481 | from time import sleep |
---|
2482 | |
---|
2483 | final = .5 |
---|
2484 | domain.set_quantity('friction', 0.1) |
---|
2485 | domain.store = False |
---|
2486 | domain.set_boundary({'left': Bd, 'right': Bd, 'top': Bd, 'bottom': Br}) |
---|
2487 | |
---|
2488 | for t in domain.evolve(yieldstep = yiel, finaltime = final): |
---|
2489 | if visualise: sleep(.03) |
---|
2490 | #domain.write_time() |
---|
2491 | pass |
---|
2492 | |
---|
2493 | domain2.smooth = True |
---|
2494 | domain2.visualise = visualise |
---|
2495 | domain2.store = False |
---|
2496 | domain2.default_order=2 |
---|
2497 | domain2.set_quantity('friction', 0.1) |
---|
2498 | #Bed-slope and friction |
---|
2499 | # Boundary conditions |
---|
2500 | Bd2=Dirichlet_boundary([0.2,0.,0.]) |
---|
2501 | Br2 = Reflective_boundary(domain2) |
---|
2502 | domain2.boundary = domain.boundary |
---|
2503 | #print 'domain2.boundary' |
---|
2504 | #print domain2.boundary |
---|
2505 | domain2.set_boundary({'left': Bd2, 'right': Bd2, 'top': Bd2, 'bottom': Br2}) |
---|
2506 | #domain2.boundary = domain.boundary |
---|
2507 | #domain2.set_boundary({'exterior': Bd}) |
---|
2508 | |
---|
2509 | domain2.check_integrity() |
---|
2510 | |
---|
2511 | for t in domain2.evolve(yieldstep = yiel, finaltime = final): |
---|
2512 | if visualise: sleep(.03) |
---|
2513 | #domain2.write_time() |
---|
2514 | pass |
---|
2515 | |
---|
2516 | ################### |
---|
2517 | ##NOW TEST IT!!! |
---|
2518 | ################## |
---|
2519 | |
---|
2520 | bits = [ 'vertex_coordinates'] |
---|
2521 | |
---|
2522 | for quantity in ['elevation','xmomentum','ymomentum']:#+domain.quantities_to_be_stored: |
---|
2523 | #bits.append('quantities["%s"].get_integral()'%quantity) |
---|
2524 | bits.append('get_quantity("%s")'%quantity) |
---|
2525 | |
---|
2526 | for bit in bits: |
---|
2527 | print bit |
---|
2528 | assert allclose(eval('domain.'+bit),eval('domain2.'+bit)) |
---|
2529 | |
---|
2530 | |
---|
2531 | def test_decimate_dem(self): |
---|
2532 | """Test decimation of dem file |
---|
2533 | """ |
---|
2534 | |
---|
2535 | import os |
---|
2536 | from Numeric import ones, allclose, Float, arange |
---|
2537 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2538 | |
---|
2539 | #Write test dem file |
---|
2540 | root = 'decdemtest' |
---|
2541 | |
---|
2542 | filename = root + '.dem' |
---|
2543 | fid = NetCDFFile(filename, 'w') |
---|
2544 | |
---|
2545 | fid.institution = 'Geoscience Australia' |
---|
2546 | fid.description = 'NetCDF DEM format for compact and portable ' +\ |
---|
2547 | 'storage of spatial point data' |
---|
2548 | |
---|
2549 | nrows = 15 |
---|
2550 | ncols = 18 |
---|
2551 | |
---|
2552 | fid.ncols = ncols |
---|
2553 | fid.nrows = nrows |
---|
2554 | fid.xllcorner = 2000.5 |
---|
2555 | fid.yllcorner = 3000.5 |
---|
2556 | fid.cellsize = 25 |
---|
2557 | fid.NODATA_value = -9999 |
---|
2558 | |
---|
2559 | fid.zone = 56 |
---|
2560 | fid.false_easting = 0.0 |
---|
2561 | fid.false_northing = 0.0 |
---|
2562 | fid.projection = 'UTM' |
---|
2563 | fid.datum = 'WGS84' |
---|
2564 | fid.units = 'METERS' |
---|
2565 | |
---|
2566 | fid.createDimension('number_of_points', nrows*ncols) |
---|
2567 | |
---|
2568 | fid.createVariable('elevation', Float, ('number_of_points',)) |
---|
2569 | |
---|
2570 | elevation = fid.variables['elevation'] |
---|
2571 | |
---|
2572 | elevation[:] = (arange(nrows*ncols)) |
---|
2573 | |
---|
2574 | fid.close() |
---|
2575 | |
---|
2576 | #generate the elevation values expected in the decimated file |
---|
2577 | ref_elevation = [( 0+ 1+ 2+ 18+ 19+ 20+ 36+ 37+ 38) / 9.0, |
---|
2578 | ( 4+ 5+ 6+ 22+ 23+ 24+ 40+ 41+ 42) / 9.0, |
---|
2579 | ( 8+ 9+ 10+ 26+ 27+ 28+ 44+ 45+ 46) / 9.0, |
---|
2580 | ( 12+ 13+ 14+ 30+ 31+ 32+ 48+ 49+ 50) / 9.0, |
---|
2581 | ( 72+ 73+ 74+ 90+ 91+ 92+108+109+110) / 9.0, |
---|
2582 | ( 76+ 77+ 78+ 94+ 95+ 96+112+113+114) / 9.0, |
---|
2583 | ( 80+ 81+ 82+ 98+ 99+100+116+117+118) / 9.0, |
---|
2584 | ( 84+ 85+ 86+102+103+104+120+121+122) / 9.0, |
---|
2585 | (144+145+146+162+163+164+180+181+182) / 9.0, |
---|
2586 | (148+149+150+166+167+168+184+185+186) / 9.0, |
---|
2587 | (152+153+154+170+171+172+188+189+190) / 9.0, |
---|
2588 | (156+157+158+174+175+176+192+193+194) / 9.0, |
---|
2589 | (216+217+218+234+235+236+252+253+254) / 9.0, |
---|
2590 | (220+221+222+238+239+240+256+257+258) / 9.0, |
---|
2591 | (224+225+226+242+243+244+260+261+262) / 9.0, |
---|
2592 | (228+229+230+246+247+248+264+265+266) / 9.0] |
---|
2593 | |
---|
2594 | #generate a stencil for computing the decimated values |
---|
2595 | stencil = ones((3,3), Float) / 9.0 |
---|
2596 | |
---|
2597 | decimate_dem(root, stencil=stencil, cellsize_new=100) |
---|
2598 | |
---|
2599 | #Open decimated NetCDF file |
---|
2600 | fid = NetCDFFile(root + '_100.dem', 'r') |
---|
2601 | |
---|
2602 | # Get decimated elevation |
---|
2603 | elevation = fid.variables['elevation'] |
---|
2604 | |
---|
2605 | #Check values |
---|
2606 | assert allclose(elevation, ref_elevation) |
---|
2607 | |
---|
2608 | #Cleanup |
---|
2609 | fid.close() |
---|
2610 | |
---|
2611 | os.remove(root + '.dem') |
---|
2612 | os.remove(root + '_100.dem') |
---|
2613 | |
---|
2614 | def test_decimate_dem_NODATA(self): |
---|
2615 | """Test decimation of dem file that includes NODATA values |
---|
2616 | """ |
---|
2617 | |
---|
2618 | import os |
---|
2619 | from Numeric import ones, allclose, Float, arange, reshape |
---|
2620 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2621 | |
---|
2622 | #Write test dem file |
---|
2623 | root = 'decdemtest' |
---|
2624 | |
---|
2625 | filename = root + '.dem' |
---|
2626 | fid = NetCDFFile(filename, 'w') |
---|
2627 | |
---|
2628 | fid.institution = 'Geoscience Australia' |
---|
2629 | fid.description = 'NetCDF DEM format for compact and portable ' +\ |
---|
2630 | 'storage of spatial point data' |
---|
2631 | |
---|
2632 | nrows = 15 |
---|
2633 | ncols = 18 |
---|
2634 | NODATA_value = -9999 |
---|
2635 | |
---|
2636 | fid.ncols = ncols |
---|
2637 | fid.nrows = nrows |
---|
2638 | fid.xllcorner = 2000.5 |
---|
2639 | fid.yllcorner = 3000.5 |
---|
2640 | fid.cellsize = 25 |
---|
2641 | fid.NODATA_value = NODATA_value |
---|
2642 | |
---|
2643 | fid.zone = 56 |
---|
2644 | fid.false_easting = 0.0 |
---|
2645 | fid.false_northing = 0.0 |
---|
2646 | fid.projection = 'UTM' |
---|
2647 | fid.datum = 'WGS84' |
---|
2648 | fid.units = 'METERS' |
---|
2649 | |
---|
2650 | fid.createDimension('number_of_points', nrows*ncols) |
---|
2651 | |
---|
2652 | fid.createVariable('elevation', Float, ('number_of_points',)) |
---|
2653 | |
---|
2654 | elevation = fid.variables['elevation'] |
---|
2655 | |
---|
2656 | #generate initial elevation values |
---|
2657 | elevation_tmp = (arange(nrows*ncols)) |
---|
2658 | #add some NODATA values |
---|
2659 | elevation_tmp[0] = NODATA_value |
---|
2660 | elevation_tmp[95] = NODATA_value |
---|
2661 | elevation_tmp[188] = NODATA_value |
---|
2662 | elevation_tmp[189] = NODATA_value |
---|
2663 | elevation_tmp[190] = NODATA_value |
---|
2664 | elevation_tmp[209] = NODATA_value |
---|
2665 | elevation_tmp[252] = NODATA_value |
---|
2666 | |
---|
2667 | elevation[:] = elevation_tmp |
---|
2668 | |
---|
2669 | fid.close() |
---|
2670 | |
---|
2671 | #generate the elevation values expected in the decimated file |
---|
2672 | ref_elevation = [NODATA_value, |
---|
2673 | ( 4+ 5+ 6+ 22+ 23+ 24+ 40+ 41+ 42) / 9.0, |
---|
2674 | ( 8+ 9+ 10+ 26+ 27+ 28+ 44+ 45+ 46) / 9.0, |
---|
2675 | ( 12+ 13+ 14+ 30+ 31+ 32+ 48+ 49+ 50) / 9.0, |
---|
2676 | ( 72+ 73+ 74+ 90+ 91+ 92+108+109+110) / 9.0, |
---|
2677 | NODATA_value, |
---|
2678 | ( 80+ 81+ 82+ 98+ 99+100+116+117+118) / 9.0, |
---|
2679 | ( 84+ 85+ 86+102+103+104+120+121+122) / 9.0, |
---|
2680 | (144+145+146+162+163+164+180+181+182) / 9.0, |
---|
2681 | (148+149+150+166+167+168+184+185+186) / 9.0, |
---|
2682 | NODATA_value, |
---|
2683 | (156+157+158+174+175+176+192+193+194) / 9.0, |
---|
2684 | NODATA_value, |
---|
2685 | (220+221+222+238+239+240+256+257+258) / 9.0, |
---|
2686 | (224+225+226+242+243+244+260+261+262) / 9.0, |
---|
2687 | (228+229+230+246+247+248+264+265+266) / 9.0] |
---|
2688 | |
---|
2689 | #generate a stencil for computing the decimated values |
---|
2690 | stencil = ones((3,3), Float) / 9.0 |
---|
2691 | |
---|
2692 | decimate_dem(root, stencil=stencil, cellsize_new=100) |
---|
2693 | |
---|
2694 | #Open decimated NetCDF file |
---|
2695 | fid = NetCDFFile(root + '_100.dem', 'r') |
---|
2696 | |
---|
2697 | # Get decimated elevation |
---|
2698 | elevation = fid.variables['elevation'] |
---|
2699 | |
---|
2700 | #Check values |
---|
2701 | assert allclose(elevation, ref_elevation) |
---|
2702 | |
---|
2703 | #Cleanup |
---|
2704 | fid.close() |
---|
2705 | |
---|
2706 | os.remove(root + '.dem') |
---|
2707 | os.remove(root + '_100.dem') |
---|
2708 | |
---|
2709 | def xxxtestz_sww2ers_real(self): |
---|
2710 | """Test that sww information can be converted correctly to asc/prj |
---|
2711 | format readable by e.g. ArcView |
---|
2712 | """ |
---|
2713 | |
---|
2714 | import time, os |
---|
2715 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
2716 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2717 | |
---|
2718 | # the memory optimised least squares |
---|
2719 | # cellsize = 20, # this one seems to hang |
---|
2720 | # cellsize = 200000, # Ran 1 test in 269.703s |
---|
2721 | #Ran 1 test in 267.344s |
---|
2722 | # cellsize = 20000, # Ran 1 test in 460.922s |
---|
2723 | # cellsize = 2000 #Ran 1 test in 5340.250s |
---|
2724 | # cellsize = 200 #this one seems to hang, building matirx A |
---|
2725 | |
---|
2726 | # not optimised |
---|
2727 | # seems to hang |
---|
2728 | # cellsize = 2000 # Ran 1 test in 5334.563s |
---|
2729 | #Export to ascii/prj files |
---|
2730 | sww2dem('karratha_100m', |
---|
2731 | quantity = 'depth', |
---|
2732 | cellsize = 200000, |
---|
2733 | verbose = True) |
---|
2734 | |
---|
2735 | def test_read_asc(self): |
---|
2736 | """Test conversion from dem in ascii format to native NetCDF xya format |
---|
2737 | """ |
---|
2738 | |
---|
2739 | import time, os |
---|
2740 | from Numeric import array, zeros, allclose, Float, concatenate |
---|
2741 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2742 | |
---|
2743 | import data_manager |
---|
2744 | #Write test asc file |
---|
2745 | filename = tempfile.mktemp(".000") |
---|
2746 | fid = open(filename, 'w') |
---|
2747 | fid.write("""ncols 7 |
---|
2748 | nrows 4 |
---|
2749 | xllcorner 2000.5 |
---|
2750 | yllcorner 3000.5 |
---|
2751 | cellsize 25 |
---|
2752 | NODATA_value -9999 |
---|
2753 | 97.921 99.285 125.588 180.830 258.645 342.872 415.836 |
---|
2754 | 473.157 514.391 553.893 607.120 678.125 777.283 883.038 |
---|
2755 | 984.494 1040.349 1008.161 900.738 730.882 581.430 514.980 |
---|
2756 | 502.645 516.230 504.739 450.604 388.500 338.097 514.980 |
---|
2757 | """) |
---|
2758 | fid.close() |
---|
2759 | bath_metadata, grid = \ |
---|
2760 | data_manager._read_asc(filename, verbose=False) |
---|
2761 | self.failUnless(bath_metadata['xllcorner'] == 2000.5, 'Failed') |
---|
2762 | self.failUnless(bath_metadata['yllcorner'] == 3000.5, 'Failed') |
---|
2763 | self.failUnless(bath_metadata['cellsize'] == 25, 'Failed') |
---|
2764 | self.failUnless(bath_metadata['NODATA_value'] == -9999, 'Failed') |
---|
2765 | self.failUnless(grid[0][0] == 97.921, 'Failed') |
---|
2766 | self.failUnless(grid[3][6] == 514.980, 'Failed') |
---|
2767 | |
---|
2768 | os.remove(filename) |
---|
2769 | |
---|
2770 | def test_asc_csiro2sww(self): |
---|
2771 | import tempfile |
---|
2772 | |
---|
2773 | bath_dir = tempfile.mkdtemp() |
---|
2774 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
2775 | #bath_dir = 'bath_data_manager_test' |
---|
2776 | #print "os.getcwd( )",os.getcwd( ) |
---|
2777 | elevation_dir = tempfile.mkdtemp() |
---|
2778 | #elevation_dir = 'elev_expanded' |
---|
2779 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
2780 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
2781 | |
---|
2782 | fid = open(bath_dir_filename, 'w') |
---|
2783 | fid.write(""" ncols 3 |
---|
2784 | nrows 2 |
---|
2785 | xllcorner 148.00000 |
---|
2786 | yllcorner -38.00000 |
---|
2787 | cellsize 0.25 |
---|
2788 | nodata_value -9999.0 |
---|
2789 | 9000.000 -1000.000 3000.0 |
---|
2790 | -1000.000 9000.000 -1000.000 |
---|
2791 | """) |
---|
2792 | fid.close() |
---|
2793 | |
---|
2794 | fid = open(elevation_dir_filename1, 'w') |
---|
2795 | fid.write(""" ncols 3 |
---|
2796 | nrows 2 |
---|
2797 | xllcorner 148.00000 |
---|
2798 | yllcorner -38.00000 |
---|
2799 | cellsize 0.25 |
---|
2800 | nodata_value -9999.0 |
---|
2801 | 9000.000 0.000 3000.0 |
---|
2802 | 0.000 9000.000 0.000 |
---|
2803 | """) |
---|
2804 | fid.close() |
---|
2805 | |
---|
2806 | fid = open(elevation_dir_filename2, 'w') |
---|
2807 | fid.write(""" ncols 3 |
---|
2808 | nrows 2 |
---|
2809 | xllcorner 148.00000 |
---|
2810 | yllcorner -38.00000 |
---|
2811 | cellsize 0.25 |
---|
2812 | nodata_value -9999.0 |
---|
2813 | 9000.000 4000.000 4000.0 |
---|
2814 | 4000.000 9000.000 4000.000 |
---|
2815 | """) |
---|
2816 | fid.close() |
---|
2817 | |
---|
2818 | ucur_dir = tempfile.mkdtemp() |
---|
2819 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
2820 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
2821 | |
---|
2822 | fid = open(ucur_dir_filename1, 'w') |
---|
2823 | fid.write(""" ncols 3 |
---|
2824 | nrows 2 |
---|
2825 | xllcorner 148.00000 |
---|
2826 | yllcorner -38.00000 |
---|
2827 | cellsize 0.25 |
---|
2828 | nodata_value -9999.0 |
---|
2829 | 90.000 60.000 30.0 |
---|
2830 | 10.000 10.000 10.000 |
---|
2831 | """) |
---|
2832 | fid.close() |
---|
2833 | fid = open(ucur_dir_filename2, 'w') |
---|
2834 | fid.write(""" ncols 3 |
---|
2835 | nrows 2 |
---|
2836 | xllcorner 148.00000 |
---|
2837 | yllcorner -38.00000 |
---|
2838 | cellsize 0.25 |
---|
2839 | nodata_value -9999.0 |
---|
2840 | 90.000 60.000 30.0 |
---|
2841 | 10.000 10.000 10.000 |
---|
2842 | """) |
---|
2843 | fid.close() |
---|
2844 | |
---|
2845 | vcur_dir = tempfile.mkdtemp() |
---|
2846 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
2847 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
2848 | |
---|
2849 | fid = open(vcur_dir_filename1, 'w') |
---|
2850 | fid.write(""" ncols 3 |
---|
2851 | nrows 2 |
---|
2852 | xllcorner 148.00000 |
---|
2853 | yllcorner -38.00000 |
---|
2854 | cellsize 0.25 |
---|
2855 | nodata_value -9999.0 |
---|
2856 | 90.000 60.000 30.0 |
---|
2857 | 10.000 10.000 10.000 |
---|
2858 | """) |
---|
2859 | fid.close() |
---|
2860 | fid = open(vcur_dir_filename2, 'w') |
---|
2861 | fid.write(""" ncols 3 |
---|
2862 | nrows 2 |
---|
2863 | xllcorner 148.00000 |
---|
2864 | yllcorner -38.00000 |
---|
2865 | cellsize 0.25 |
---|
2866 | nodata_value -9999.0 |
---|
2867 | 90.000 60.000 30.0 |
---|
2868 | 10.000 10.000 10.000 |
---|
2869 | """) |
---|
2870 | fid.close() |
---|
2871 | |
---|
2872 | sww_file = 'a_test.sww' |
---|
2873 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, vcur_dir, sww_file) |
---|
2874 | |
---|
2875 | # check the sww file |
---|
2876 | |
---|
2877 | fid = NetCDFFile(sww_file, 'r') #Open existing file for read |
---|
2878 | x = fid.variables['x'][:] |
---|
2879 | y = fid.variables['y'][:] |
---|
2880 | z = fid.variables['z'][:] |
---|
2881 | stage = fid.variables['stage'][:] |
---|
2882 | xmomentum = fid.variables['xmomentum'][:] |
---|
2883 | geo_ref = Geo_reference(NetCDFObject=fid) |
---|
2884 | #print "geo_ref",geo_ref |
---|
2885 | x_ref = geo_ref.get_xllcorner() |
---|
2886 | y_ref = geo_ref.get_yllcorner() |
---|
2887 | self.failUnless(geo_ref.get_zone() == 55, 'Failed') |
---|
2888 | assert allclose(x_ref, 587798.418) # (-38, 148) |
---|
2889 | assert allclose(y_ref, 5793123.477)# (-38, 148.5) |
---|
2890 | |
---|
2891 | #Zone: 55 |
---|
2892 | #Easting: 588095.674 Northing: 5821451.722 |
---|
2893 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 0 ' 0.00000 '' |
---|
2894 | assert allclose((x[0],y[0]), (588095.674 - x_ref, 5821451.722 - y_ref)) |
---|
2895 | |
---|
2896 | #Zone: 55 |
---|
2897 | #Easting: 632145.632 Northing: 5820863.269 |
---|
2898 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
2899 | assert allclose((x[2],y[2]), (632145.632 - x_ref, 5820863.269 - y_ref)) |
---|
2900 | |
---|
2901 | #Zone: 55 |
---|
2902 | #Easting: 609748.788 Northing: 5793447.860 |
---|
2903 | #Latitude: -38 0 ' 0.00000 '' Longitude: 148 15 ' 0.00000 '' |
---|
2904 | assert allclose((x[4],y[4]), (609748.788 - x_ref, 5793447.86 - y_ref)) |
---|
2905 | |
---|
2906 | assert allclose(z[0],9000.0 ) |
---|
2907 | assert allclose(stage[0][1],0.0 ) |
---|
2908 | |
---|
2909 | #(4000+1000)*60 |
---|
2910 | assert allclose(xmomentum[1][1],300000.0 ) |
---|
2911 | |
---|
2912 | |
---|
2913 | fid.close() |
---|
2914 | |
---|
2915 | #tidy up |
---|
2916 | os.remove(bath_dir_filename) |
---|
2917 | os.rmdir(bath_dir) |
---|
2918 | |
---|
2919 | os.remove(elevation_dir_filename1) |
---|
2920 | os.remove(elevation_dir_filename2) |
---|
2921 | os.rmdir(elevation_dir) |
---|
2922 | |
---|
2923 | |
---|
2924 | # remove sww file |
---|
2925 | os.remove(sww_file) |
---|
2926 | |
---|
2927 | def test_asc_csiro2sww2(self): |
---|
2928 | import tempfile |
---|
2929 | |
---|
2930 | bath_dir = tempfile.mkdtemp() |
---|
2931 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
2932 | #bath_dir = 'bath_data_manager_test' |
---|
2933 | #print "os.getcwd( )",os.getcwd( ) |
---|
2934 | elevation_dir = tempfile.mkdtemp() |
---|
2935 | #elevation_dir = 'elev_expanded' |
---|
2936 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
2937 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
2938 | |
---|
2939 | fid = open(bath_dir_filename, '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 | 9000.000 -1000.000 3000.0 |
---|
2947 | -1000.000 9000.000 -1000.000 |
---|
2948 | """) |
---|
2949 | fid.close() |
---|
2950 | |
---|
2951 | fid = open(elevation_dir_filename1, 'w') |
---|
2952 | fid.write(""" ncols 3 |
---|
2953 | nrows 2 |
---|
2954 | xllcorner 148.00000 |
---|
2955 | yllcorner -38.00000 |
---|
2956 | cellsize 0.25 |
---|
2957 | nodata_value -9999.0 |
---|
2958 | 9000.000 0.000 3000.0 |
---|
2959 | 0.000 -9999.000 -9999.000 |
---|
2960 | """) |
---|
2961 | fid.close() |
---|
2962 | |
---|
2963 | fid = open(elevation_dir_filename2, 'w') |
---|
2964 | fid.write(""" ncols 3 |
---|
2965 | nrows 2 |
---|
2966 | xllcorner 148.00000 |
---|
2967 | yllcorner -38.00000 |
---|
2968 | cellsize 0.25 |
---|
2969 | nodata_value -9999.0 |
---|
2970 | 9000.000 4000.000 4000.0 |
---|
2971 | 4000.000 9000.000 4000.000 |
---|
2972 | """) |
---|
2973 | fid.close() |
---|
2974 | |
---|
2975 | ucur_dir = tempfile.mkdtemp() |
---|
2976 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
2977 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
2978 | |
---|
2979 | fid = open(ucur_dir_filename1, 'w') |
---|
2980 | fid.write(""" ncols 3 |
---|
2981 | nrows 2 |
---|
2982 | xllcorner 148.00000 |
---|
2983 | yllcorner -38.00000 |
---|
2984 | cellsize 0.25 |
---|
2985 | nodata_value -9999.0 |
---|
2986 | 90.000 60.000 30.0 |
---|
2987 | 10.000 10.000 10.000 |
---|
2988 | """) |
---|
2989 | fid.close() |
---|
2990 | fid = open(ucur_dir_filename2, 'w') |
---|
2991 | fid.write(""" ncols 3 |
---|
2992 | nrows 2 |
---|
2993 | xllcorner 148.00000 |
---|
2994 | yllcorner -38.00000 |
---|
2995 | cellsize 0.25 |
---|
2996 | nodata_value -9999.0 |
---|
2997 | 90.000 60.000 30.0 |
---|
2998 | 10.000 10.000 10.000 |
---|
2999 | """) |
---|
3000 | fid.close() |
---|
3001 | |
---|
3002 | vcur_dir = tempfile.mkdtemp() |
---|
3003 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
3004 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
3005 | |
---|
3006 | fid = open(vcur_dir_filename1, 'w') |
---|
3007 | fid.write(""" ncols 3 |
---|
3008 | nrows 2 |
---|
3009 | xllcorner 148.00000 |
---|
3010 | yllcorner -38.00000 |
---|
3011 | cellsize 0.25 |
---|
3012 | nodata_value -9999.0 |
---|
3013 | 90.000 60.000 30.0 |
---|
3014 | 10.000 10.000 10.000 |
---|
3015 | """) |
---|
3016 | fid.close() |
---|
3017 | fid = open(vcur_dir_filename2, 'w') |
---|
3018 | fid.write(""" ncols 3 |
---|
3019 | nrows 2 |
---|
3020 | xllcorner 148.00000 |
---|
3021 | yllcorner -38.00000 |
---|
3022 | cellsize 0.25 |
---|
3023 | nodata_value -9999.0 |
---|
3024 | 90.000 60.000 30.0 |
---|
3025 | 10.000 10.000 10.000 |
---|
3026 | """) |
---|
3027 | fid.close() |
---|
3028 | |
---|
3029 | try: |
---|
3030 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, |
---|
3031 | vcur_dir, sww_file) |
---|
3032 | except: |
---|
3033 | #tidy up |
---|
3034 | os.remove(bath_dir_filename) |
---|
3035 | os.rmdir(bath_dir) |
---|
3036 | |
---|
3037 | os.remove(elevation_dir_filename1) |
---|
3038 | os.remove(elevation_dir_filename2) |
---|
3039 | os.rmdir(elevation_dir) |
---|
3040 | else: |
---|
3041 | #tidy up |
---|
3042 | os.remove(bath_dir_filename) |
---|
3043 | os.rmdir(bath_dir) |
---|
3044 | |
---|
3045 | os.remove(elevation_dir_filename1) |
---|
3046 | os.remove(elevation_dir_filename2) |
---|
3047 | os.rmdir(elevation_dir) |
---|
3048 | raise 'Should raise exception' |
---|
3049 | |
---|
3050 | |
---|
3051 | def test_asc_csiro2sww3(self): |
---|
3052 | import tempfile |
---|
3053 | |
---|
3054 | bath_dir = tempfile.mkdtemp() |
---|
3055 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
3056 | #bath_dir = 'bath_data_manager_test' |
---|
3057 | #print "os.getcwd( )",os.getcwd( ) |
---|
3058 | elevation_dir = tempfile.mkdtemp() |
---|
3059 | #elevation_dir = 'elev_expanded' |
---|
3060 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
3061 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
3062 | |
---|
3063 | fid = open(bath_dir_filename, 'w') |
---|
3064 | fid.write(""" ncols 3 |
---|
3065 | nrows 2 |
---|
3066 | xllcorner 148.00000 |
---|
3067 | yllcorner -38.00000 |
---|
3068 | cellsize 0.25 |
---|
3069 | nodata_value -9999.0 |
---|
3070 | 9000.000 -1000.000 3000.0 |
---|
3071 | -1000.000 9000.000 -1000.000 |
---|
3072 | """) |
---|
3073 | fid.close() |
---|
3074 | |
---|
3075 | fid = open(elevation_dir_filename1, 'w') |
---|
3076 | fid.write(""" ncols 3 |
---|
3077 | nrows 2 |
---|
3078 | xllcorner 148.00000 |
---|
3079 | yllcorner -38.00000 |
---|
3080 | cellsize 0.25 |
---|
3081 | nodata_value -9999.0 |
---|
3082 | 9000.000 0.000 3000.0 |
---|
3083 | 0.000 -9999.000 -9999.000 |
---|
3084 | """) |
---|
3085 | fid.close() |
---|
3086 | |
---|
3087 | fid = open(elevation_dir_filename2, 'w') |
---|
3088 | fid.write(""" ncols 3 |
---|
3089 | nrows 2 |
---|
3090 | xllcorner 148.00000 |
---|
3091 | yllcorner -38.00000 |
---|
3092 | cellsize 0.25 |
---|
3093 | nodata_value -9999.0 |
---|
3094 | 9000.000 4000.000 4000.0 |
---|
3095 | 4000.000 9000.000 4000.000 |
---|
3096 | """) |
---|
3097 | fid.close() |
---|
3098 | |
---|
3099 | ucur_dir = tempfile.mkdtemp() |
---|
3100 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
3101 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
3102 | |
---|
3103 | fid = open(ucur_dir_filename1, 'w') |
---|
3104 | fid.write(""" ncols 3 |
---|
3105 | nrows 2 |
---|
3106 | xllcorner 148.00000 |
---|
3107 | yllcorner -38.00000 |
---|
3108 | cellsize 0.25 |
---|
3109 | nodata_value -9999.0 |
---|
3110 | 90.000 60.000 30.0 |
---|
3111 | 10.000 10.000 10.000 |
---|
3112 | """) |
---|
3113 | fid.close() |
---|
3114 | fid = open(ucur_dir_filename2, 'w') |
---|
3115 | fid.write(""" ncols 3 |
---|
3116 | nrows 2 |
---|
3117 | xllcorner 148.00000 |
---|
3118 | yllcorner -38.00000 |
---|
3119 | cellsize 0.25 |
---|
3120 | nodata_value -9999.0 |
---|
3121 | 90.000 60.000 30.0 |
---|
3122 | 10.000 10.000 10.000 |
---|
3123 | """) |
---|
3124 | fid.close() |
---|
3125 | |
---|
3126 | vcur_dir = tempfile.mkdtemp() |
---|
3127 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
3128 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
3129 | |
---|
3130 | fid = open(vcur_dir_filename1, 'w') |
---|
3131 | fid.write(""" ncols 3 |
---|
3132 | nrows 2 |
---|
3133 | xllcorner 148.00000 |
---|
3134 | yllcorner -38.00000 |
---|
3135 | cellsize 0.25 |
---|
3136 | nodata_value -9999.0 |
---|
3137 | 90.000 60.000 30.0 |
---|
3138 | 10.000 10.000 10.000 |
---|
3139 | """) |
---|
3140 | fid.close() |
---|
3141 | fid = open(vcur_dir_filename2, 'w') |
---|
3142 | fid.write(""" ncols 3 |
---|
3143 | nrows 2 |
---|
3144 | xllcorner 148.00000 |
---|
3145 | yllcorner -38.00000 |
---|
3146 | cellsize 0.25 |
---|
3147 | nodata_value -9999.0 |
---|
3148 | 90.000 60.000 30.0 |
---|
3149 | 10.000 10.000 10.000 |
---|
3150 | """) |
---|
3151 | fid.close() |
---|
3152 | |
---|
3153 | sww_file = 'a_test.sww' |
---|
3154 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, vcur_dir, |
---|
3155 | sww_file, fail_on_NaN = False, elevation_NaN_filler = 0, |
---|
3156 | mean_stage = 100) |
---|
3157 | |
---|
3158 | # check the sww file |
---|
3159 | |
---|
3160 | fid = NetCDFFile(sww_file, 'r') #Open existing file for read |
---|
3161 | x = fid.variables['x'][:] |
---|
3162 | y = fid.variables['y'][:] |
---|
3163 | z = fid.variables['z'][:] |
---|
3164 | stage = fid.variables['stage'][:] |
---|
3165 | xmomentum = fid.variables['xmomentum'][:] |
---|
3166 | geo_ref = Geo_reference(NetCDFObject=fid) |
---|
3167 | #print "geo_ref",geo_ref |
---|
3168 | x_ref = geo_ref.get_xllcorner() |
---|
3169 | y_ref = geo_ref.get_yllcorner() |
---|
3170 | self.failUnless(geo_ref.get_zone() == 55, 'Failed') |
---|
3171 | assert allclose(x_ref, 587798.418) # (-38, 148) |
---|
3172 | assert allclose(y_ref, 5793123.477)# (-38, 148.5) |
---|
3173 | |
---|
3174 | #Zone: 55 |
---|
3175 | #Easting: 588095.674 Northing: 5821451.722 |
---|
3176 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 0 ' 0.00000 '' |
---|
3177 | assert allclose((x[0],y[0]), (588095.674 - x_ref, 5821451.722 - y_ref)) |
---|
3178 | |
---|
3179 | #Zone: 55 |
---|
3180 | #Easting: 632145.632 Northing: 5820863.269 |
---|
3181 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
3182 | assert allclose((x[2],y[2]), (632145.632 - x_ref, 5820863.269 - y_ref)) |
---|
3183 | |
---|
3184 | #Zone: 55 |
---|
3185 | #Easting: 609748.788 Northing: 5793447.860 |
---|
3186 | #Latitude: -38 0 ' 0.00000 '' Longitude: 148 15 ' 0.00000 '' |
---|
3187 | assert allclose((x[4],y[4]), (609748.788 - x_ref, 5793447.86 - y_ref)) |
---|
3188 | |
---|
3189 | assert allclose(z[0],9000.0 ) |
---|
3190 | assert allclose(stage[0][4],100.0 ) |
---|
3191 | assert allclose(stage[0][5],100.0 ) |
---|
3192 | |
---|
3193 | #(100.0 - 9000)*10 |
---|
3194 | assert allclose(xmomentum[0][4], -89000.0 ) |
---|
3195 | |
---|
3196 | #(100.0 - -1000.000)*10 |
---|
3197 | assert allclose(xmomentum[0][5], 11000.0 ) |
---|
3198 | |
---|
3199 | fid.close() |
---|
3200 | |
---|
3201 | #tidy up |
---|
3202 | os.remove(bath_dir_filename) |
---|
3203 | os.rmdir(bath_dir) |
---|
3204 | |
---|
3205 | os.remove(elevation_dir_filename1) |
---|
3206 | os.remove(elevation_dir_filename2) |
---|
3207 | os.rmdir(elevation_dir) |
---|
3208 | |
---|
3209 | |
---|
3210 | # remove sww file |
---|
3211 | os.remove(sww_file) |
---|
3212 | |
---|
3213 | |
---|
3214 | def test_asc_csiro2sww4(self): |
---|
3215 | """ |
---|
3216 | Test specifying the extent |
---|
3217 | """ |
---|
3218 | |
---|
3219 | import tempfile |
---|
3220 | |
---|
3221 | bath_dir = tempfile.mkdtemp() |
---|
3222 | bath_dir_filename = bath_dir + os.sep +'ba19940524.000' |
---|
3223 | #bath_dir = 'bath_data_manager_test' |
---|
3224 | #print "os.getcwd( )",os.getcwd( ) |
---|
3225 | elevation_dir = tempfile.mkdtemp() |
---|
3226 | #elevation_dir = 'elev_expanded' |
---|
3227 | elevation_dir_filename1 = elevation_dir + os.sep +'el19940524.000' |
---|
3228 | elevation_dir_filename2 = elevation_dir + os.sep +'el19940524.001' |
---|
3229 | |
---|
3230 | fid = open(bath_dir_filename, 'w') |
---|
3231 | fid.write(""" ncols 4 |
---|
3232 | nrows 4 |
---|
3233 | xllcorner 148.00000 |
---|
3234 | yllcorner -38.00000 |
---|
3235 | cellsize 0.25 |
---|
3236 | nodata_value -9999.0 |
---|
3237 | -9000.000 -1000.000 -3000.0 -2000.000 |
---|
3238 | -1000.000 9000.000 -1000.000 -3000.000 |
---|
3239 | -4000.000 6000.000 2000.000 -5000.000 |
---|
3240 | -9000.000 -1000.000 -3000.0 -2000.000 |
---|
3241 | """) |
---|
3242 | fid.close() |
---|
3243 | |
---|
3244 | fid = open(elevation_dir_filename1, 'w') |
---|
3245 | fid.write(""" ncols 4 |
---|
3246 | nrows 4 |
---|
3247 | xllcorner 148.00000 |
---|
3248 | yllcorner -38.00000 |
---|
3249 | cellsize 0.25 |
---|
3250 | nodata_value -9999.0 |
---|
3251 | -900.000 -100.000 -300.0 -200.000 |
---|
3252 | -100.000 900.000 -100.000 -300.000 |
---|
3253 | -400.000 600.000 200.000 -500.000 |
---|
3254 | -900.000 -100.000 -300.0 -200.000 |
---|
3255 | """) |
---|
3256 | fid.close() |
---|
3257 | |
---|
3258 | fid = open(elevation_dir_filename2, 'w') |
---|
3259 | fid.write(""" ncols 4 |
---|
3260 | nrows 4 |
---|
3261 | xllcorner 148.00000 |
---|
3262 | yllcorner -38.00000 |
---|
3263 | cellsize 0.25 |
---|
3264 | nodata_value -9999.0 |
---|
3265 | -990.000 -110.000 -330.0 -220.000 |
---|
3266 | -110.000 990.000 -110.000 -330.000 |
---|
3267 | -440.000 660.000 220.000 -550.000 |
---|
3268 | -990.000 -110.000 -330.0 -220.000 |
---|
3269 | """) |
---|
3270 | fid.close() |
---|
3271 | |
---|
3272 | ucur_dir = tempfile.mkdtemp() |
---|
3273 | ucur_dir_filename1 = ucur_dir + os.sep +'uc19940524.000' |
---|
3274 | ucur_dir_filename2 = ucur_dir + os.sep +'uc19940524.001' |
---|
3275 | |
---|
3276 | fid = open(ucur_dir_filename1, 'w') |
---|
3277 | fid.write(""" ncols 4 |
---|
3278 | nrows 4 |
---|
3279 | xllcorner 148.00000 |
---|
3280 | yllcorner -38.00000 |
---|
3281 | cellsize 0.25 |
---|
3282 | nodata_value -9999.0 |
---|
3283 | -90.000 -10.000 -30.0 -20.000 |
---|
3284 | -10.000 90.000 -10.000 -30.000 |
---|
3285 | -40.000 60.000 20.000 -50.000 |
---|
3286 | -90.000 -10.000 -30.0 -20.000 |
---|
3287 | """) |
---|
3288 | fid.close() |
---|
3289 | fid = open(ucur_dir_filename2, 'w') |
---|
3290 | fid.write(""" ncols 4 |
---|
3291 | nrows 4 |
---|
3292 | xllcorner 148.00000 |
---|
3293 | yllcorner -38.00000 |
---|
3294 | cellsize 0.25 |
---|
3295 | nodata_value -9999.0 |
---|
3296 | -90.000 -10.000 -30.0 -20.000 |
---|
3297 | -10.000 99.000 -11.000 -30.000 |
---|
3298 | -40.000 66.000 22.000 -50.000 |
---|
3299 | -90.000 -10.000 -30.0 -20.000 |
---|
3300 | """) |
---|
3301 | fid.close() |
---|
3302 | |
---|
3303 | vcur_dir = tempfile.mkdtemp() |
---|
3304 | vcur_dir_filename1 = vcur_dir + os.sep +'vc19940524.000' |
---|
3305 | vcur_dir_filename2 = vcur_dir + os.sep +'vc19940524.001' |
---|
3306 | |
---|
3307 | fid = open(vcur_dir_filename1, 'w') |
---|
3308 | fid.write(""" ncols 4 |
---|
3309 | nrows 4 |
---|
3310 | xllcorner 148.00000 |
---|
3311 | yllcorner -38.00000 |
---|
3312 | cellsize 0.25 |
---|
3313 | nodata_value -9999.0 |
---|
3314 | -90.000 -10.000 -30.0 -20.000 |
---|
3315 | -10.000 80.000 -20.000 -30.000 |
---|
3316 | -40.000 50.000 10.000 -50.000 |
---|
3317 | -90.000 -10.000 -30.0 -20.000 |
---|
3318 | """) |
---|
3319 | fid.close() |
---|
3320 | fid = open(vcur_dir_filename2, 'w') |
---|
3321 | fid.write(""" ncols 4 |
---|
3322 | nrows 4 |
---|
3323 | xllcorner 148.00000 |
---|
3324 | yllcorner -38.00000 |
---|
3325 | cellsize 0.25 |
---|
3326 | nodata_value -9999.0 |
---|
3327 | -90.000 -10.000 -30.0 -20.000 |
---|
3328 | -10.000 88.000 -22.000 -30.000 |
---|
3329 | -40.000 55.000 11.000 -50.000 |
---|
3330 | -90.000 -10.000 -30.0 -20.000 |
---|
3331 | """) |
---|
3332 | fid.close() |
---|
3333 | |
---|
3334 | sww_file = 'a_test.sww' |
---|
3335 | asc_csiro2sww(bath_dir,elevation_dir, ucur_dir, vcur_dir, |
---|
3336 | sww_file, fail_on_NaN = False, elevation_NaN_filler = 0, |
---|
3337 | mean_stage = 100, |
---|
3338 | minlat = -37.6, maxlat = -37.6, |
---|
3339 | minlon = 148.3, maxlon = 148.3 |
---|
3340 | #,verbose = True |
---|
3341 | ) |
---|
3342 | |
---|
3343 | # check the sww file |
---|
3344 | |
---|
3345 | fid = NetCDFFile(sww_file, 'r') #Open existing file for read |
---|
3346 | x = fid.variables['x'][:] |
---|
3347 | y = fid.variables['y'][:] |
---|
3348 | z = fid.variables['z'][:] |
---|
3349 | stage = fid.variables['stage'][:] |
---|
3350 | xmomentum = fid.variables['xmomentum'][:] |
---|
3351 | ymomentum = fid.variables['ymomentum'][:] |
---|
3352 | geo_ref = Geo_reference(NetCDFObject=fid) |
---|
3353 | #print "geo_ref",geo_ref |
---|
3354 | x_ref = geo_ref.get_xllcorner() |
---|
3355 | y_ref = geo_ref.get_yllcorner() |
---|
3356 | self.failUnless(geo_ref.get_zone() == 55, 'Failed') |
---|
3357 | |
---|
3358 | assert allclose(x_ref, 610120.388) # (-37.45, 148.25) |
---|
3359 | assert allclose(y_ref, 5820863.269 )# (-37.45, 148.5) |
---|
3360 | |
---|
3361 | #Easting: 632145.632 Northing: 5820863.269 |
---|
3362 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
3363 | |
---|
3364 | #print "x",x |
---|
3365 | #print "y",y |
---|
3366 | self.failUnless(len(x) == 4,'failed') # 2*2 |
---|
3367 | self.failUnless(len(x) == 4,'failed') # 2*2 |
---|
3368 | |
---|
3369 | #Zone: 55 |
---|
3370 | #Easting: 632145.632 Northing: 5820863.269 |
---|
3371 | #Latitude: -37 45 ' 0.00000 '' Longitude: 148 30 ' 0.00000 '' |
---|
3372 | # magic number - y is close enough for me. |
---|
3373 | assert allclose(x[3], 632145.63 - x_ref) |
---|
3374 | assert allclose(y[3], 5820863.269 - y_ref + 5.22155314684e-005) |
---|
3375 | |
---|
3376 | assert allclose(z[0],9000.0 ) #z is elevation info |
---|
3377 | #print "z",z |
---|
3378 | # 2 time steps, 4 points |
---|
3379 | self.failUnless(xmomentum.shape == (2,4), 'failed') |
---|
3380 | self.failUnless(ymomentum.shape == (2,4), 'failed') |
---|
3381 | |
---|
3382 | #(100.0 - -1000.000)*10 |
---|
3383 | #assert allclose(xmomentum[0][5], 11000.0 ) |
---|
3384 | |
---|
3385 | fid.close() |
---|
3386 | |
---|
3387 | #tidy up |
---|
3388 | os.remove(bath_dir_filename) |
---|
3389 | os.rmdir(bath_dir) |
---|
3390 | |
---|
3391 | os.remove(elevation_dir_filename1) |
---|
3392 | os.remove(elevation_dir_filename2) |
---|
3393 | os.rmdir(elevation_dir) |
---|
3394 | |
---|
3395 | |
---|
3396 | # remove sww file |
---|
3397 | os.remove(sww_file) |
---|
3398 | |
---|
3399 | def test_get_min_max_indexes(self): |
---|
3400 | latitudes = [3,2,1,0] |
---|
3401 | longitudes = [0,10,20,30] |
---|
3402 | |
---|
3403 | # k - lat |
---|
3404 | # l - lon |
---|
3405 | kmin, kmax, lmin, lmax = get_min_max_indexes (latitudes,longitudes, |
---|
3406 | -10,4,-10,31) |
---|
3407 | |
---|
3408 | #print "kmin",kmin;print "kmax",kmax |
---|
3409 | #print "lmin",lmin;print "lmax",lmax |
---|
3410 | latitudes_new = latitudes[kmin:kmax] |
---|
3411 | longitudes_news = longitudes[lmin:lmax] |
---|
3412 | #print "latitudes_new", latitudes_new |
---|
3413 | #print "longitudes_news",longitudes_news |
---|
3414 | self.failUnless(latitudes == latitudes_new and \ |
---|
3415 | longitudes == longitudes_news, |
---|
3416 | 'failed') |
---|
3417 | |
---|
3418 | ## 2nd test |
---|
3419 | kmin, kmax, lmin, lmax = get_min_max_indexes (latitudes,longitudes, |
---|
3420 | 0.5,2.5,5,25) |
---|
3421 | #print "kmin",kmin;print "kmax",kmax |
---|
3422 | #print "lmin",lmin;print "lmax",lmax |
---|
3423 | latitudes_new = latitudes[kmin:kmax] |
---|
3424 | longitudes_news = longitudes[lmin:lmax] |
---|
3425 | #print "latitudes_new", latitudes_new |
---|
3426 | #print "longitudes_news",longitudes_news |
---|
3427 | |
---|
3428 | self.failUnless(latitudes == latitudes_new and \ |
---|
3429 | longitudes == longitudes_news, |
---|
3430 | 'failed') |
---|
3431 | |
---|
3432 | ## 3rd test |
---|
3433 | kmin, kmax, lmin, lmax = get_min_max_indexes (latitudes,longitudes, |
---|
3434 | 1.1,1.9,12,17) |
---|
3435 | #print "kmin",kmin;print "kmax",kmax |
---|
3436 | #print "lmin",lmin;print "lmax",lmax |
---|
3437 | latitudes_new = latitudes[kmin:kmax] |
---|
3438 | longitudes_news = longitudes[lmin:lmax] |
---|
3439 | #print "latitudes_new", latitudes_new |
---|
3440 | #print "longitudes_news",longitudes_news |
---|
3441 | |
---|
3442 | self.failUnless(latitudes_new == [2, 1] and \ |
---|
3443 | longitudes_news == [10, 20], |
---|
3444 | 'failed') |
---|
3445 | |
---|
3446 | |
---|
3447 | ## 4th test |
---|
3448 | kmin, kmax, lmin, lmax = get_min_max_indexes (latitudes,longitudes, |
---|
3449 | -0.1,1.9,-2,17) |
---|
3450 | #print "kmin",kmin;print "kmax",kmax |
---|
3451 | #print "lmin",lmin;print "lmax",lmax |
---|
3452 | latitudes_new = latitudes[kmin:kmax] |
---|
3453 | longitudes_news = longitudes[lmin:lmax] |
---|
3454 | #print "latitudes_new", latitudes_new |
---|
3455 | #print "longitudes_news",longitudes_news |
---|
3456 | |
---|
3457 | self.failUnless(latitudes_new == [2, 1, 0] and \ |
---|
3458 | longitudes_news == [0, 10, 20], |
---|
3459 | 'failed') |
---|
3460 | ## 5th test |
---|
3461 | kmin, kmax, lmin, lmax = get_min_max_indexes (latitudes,longitudes, |
---|
3462 | 0.1,1.9,2,17) |
---|
3463 | #print "kmin",kmin;print "kmax",kmax |
---|
3464 | #print "lmin",lmin;print "lmax",lmax |
---|
3465 | latitudes_new = latitudes[kmin:kmax] |
---|
3466 | longitudes_news = longitudes[lmin:lmax] |
---|
3467 | #print "latitudes_new", latitudes_new |
---|
3468 | #print "longitudes_news",longitudes_news |
---|
3469 | |
---|
3470 | self.failUnless(latitudes_new == [2, 1, 0] and \ |
---|
3471 | longitudes_news == [0, 10, 20], |
---|
3472 | 'failed') |
---|
3473 | |
---|
3474 | ## 6th test |
---|
3475 | |
---|
3476 | kmin, kmax, lmin, lmax = get_min_max_indexes (latitudes,longitudes, |
---|
3477 | 1.5,4,18,32) |
---|
3478 | #print "kmin",kmin;print "kmax",kmax |
---|
3479 | #print "lmin",lmin;print "lmax",lmax |
---|
3480 | latitudes_new = latitudes[kmin:kmax] |
---|
3481 | longitudes_news = longitudes[lmin:lmax] |
---|
3482 | #print "latitudes_new", latitudes_new |
---|
3483 | #print "longitudes_news",longitudes_news |
---|
3484 | |
---|
3485 | self.failUnless(latitudes_new == [3, 2, 1] and \ |
---|
3486 | longitudes_news == [10, 20, 30], |
---|
3487 | 'failed') |
---|
3488 | |
---|
3489 | |
---|
3490 | ## 7th test |
---|
3491 | m2d = array([[0,1,2,3],[4,5,6,7],[8,9,10,11],[12,13,14,15]]) |
---|
3492 | kmin, kmax, lmin, lmax = get_min_max_indexes (latitudes,longitudes, |
---|
3493 | 1.5,1.5,15,15) |
---|
3494 | #print "kmin",kmin;print "kmax",kmax |
---|
3495 | #print "lmin",lmin;print "lmax",lmax |
---|
3496 | latitudes_new = latitudes[kmin:kmax] |
---|
3497 | longitudes_news = longitudes[lmin:lmax] |
---|
3498 | m2d = m2d[kmin:kmax,lmin:lmax] |
---|
3499 | #print "m2d", m2d |
---|
3500 | #print "latitudes_new", latitudes_new |
---|
3501 | #print "longitudes_news",longitudes_news |
---|
3502 | |
---|
3503 | self.failUnless(latitudes_new == [2, 1] and \ |
---|
3504 | longitudes_news == [10, 20], |
---|
3505 | 'failed') |
---|
3506 | |
---|
3507 | self.failUnless(m2d == [[5,6],[9,10]], |
---|
3508 | 'failed') |
---|
3509 | |
---|
3510 | def test_get_min_max_indexes2(self): |
---|
3511 | latitudes = [-30,-35,-40,-45] |
---|
3512 | longitudes = [148,149,150,151] |
---|
3513 | |
---|
3514 | m2d = array([[0,1,2,3],[4,5,6,7],[8,9,10,11],[12,13,14,15]]) |
---|
3515 | |
---|
3516 | # k - lat |
---|
3517 | # l - lon |
---|
3518 | kmin, kmax, lmin, lmax = get_min_max_indexes (latitudes,longitudes, |
---|
3519 | -37,-27,147,149.5) |
---|
3520 | |
---|
3521 | #print "kmin",kmin;print "kmax",kmax |
---|
3522 | #print "lmin",lmin;print "lmax",lmax |
---|
3523 | #print "m2d", m2d |
---|
3524 | #print "latitudes", latitudes |
---|
3525 | #print "longitudes",longitudes |
---|
3526 | #print "latitudes[kmax]", latitudes[kmax] |
---|
3527 | latitudes_new = latitudes[kmin:kmax] |
---|
3528 | longitudes_new = longitudes[lmin:lmax] |
---|
3529 | m2d = m2d[kmin:kmax,lmin:lmax] |
---|
3530 | #print "m2d", m2d |
---|
3531 | #print "latitudes_new", latitudes_new |
---|
3532 | #print "longitudes_new",longitudes_new |
---|
3533 | |
---|
3534 | self.failUnless(latitudes_new == [-30, -35, -40] and \ |
---|
3535 | longitudes_new == [148, 149,150], |
---|
3536 | 'failed') |
---|
3537 | self.failUnless(m2d == [[0,1,2],[4,5,6],[8,9,10]], |
---|
3538 | 'failed') |
---|
3539 | |
---|
3540 | def test_get_min_max_indexes3(self): |
---|
3541 | latitudes = [-30,-35,-40,-45,-50,-55,-60] |
---|
3542 | longitudes = [148,149,150,151] |
---|
3543 | |
---|
3544 | # k - lat |
---|
3545 | # l - lon |
---|
3546 | kmin, kmax, lmin, lmax = get_min_max_indexes (latitudes,longitudes, |
---|
3547 | -43,-37,148.5,149.5) |
---|
3548 | |
---|
3549 | |
---|
3550 | #print "kmin",kmin;print "kmax",kmax |
---|
3551 | #print "lmin",lmin;print "lmax",lmax |
---|
3552 | #print "latitudes", latitudes |
---|
3553 | #print "longitudes",longitudes |
---|
3554 | latitudes_new = latitudes[kmin:kmax] |
---|
3555 | longitudes_news = longitudes[lmin:lmax] |
---|
3556 | #print "latitudes_new", latitudes_new |
---|
3557 | #print "longitudes_news",longitudes_news |
---|
3558 | |
---|
3559 | self.failUnless(latitudes_new == [-35, -40, -45] and \ |
---|
3560 | longitudes_news == [148, 149,150], |
---|
3561 | 'failed') |
---|
3562 | |
---|
3563 | def test_get_min_max_indexes4(self): |
---|
3564 | latitudes = [-30,-35,-40,-45,-50,-55,-60] |
---|
3565 | longitudes = [148,149,150,151] |
---|
3566 | |
---|
3567 | # k - lat |
---|
3568 | # l - lon |
---|
3569 | kmin, kmax, lmin, lmax = get_min_max_indexes (latitudes,longitudes) |
---|
3570 | |
---|
3571 | |
---|
3572 | #print "kmin",kmin;print "kmax",kmax |
---|
3573 | #print "lmin",lmin;print "lmax",lmax |
---|
3574 | #print "latitudes", latitudes |
---|
3575 | #print "longitudes",longitudes |
---|
3576 | latitudes_new = latitudes[kmin:kmax] |
---|
3577 | longitudes_news = longitudes[lmin:lmax] |
---|
3578 | #print "latitudes_new", latitudes_new |
---|
3579 | #print "longitudes_news",longitudes_news |
---|
3580 | |
---|
3581 | self.failUnless(latitudes_new == latitudes and \ |
---|
3582 | longitudes_news == longitudes, |
---|
3583 | 'failed') |
---|
3584 | |
---|
3585 | #------------------------------------------------------------- |
---|
3586 | if __name__ == "__main__": |
---|
3587 | #suite = unittest.makeSuite(Test_Data_Manager,'test_asc_csiro2sww4') |
---|
3588 | #suite = unittest.makeSuite(Test_Data_Manager,'test') |
---|
3589 | suite = unittest.makeSuite(Test_Data_Manager,'test_sww2dem_asc_missing_points') |
---|
3590 | #suite = unittest.makeSuite(Test_Data_Manager,'test_sww2dem_boundingbox') |
---|
3591 | #suite = unittest.makeSuite(Test_Data_Manager,'test_dem2pts_bounding_box') |
---|
3592 | #suite = unittest.makeSuite(Test_Data_Manager,'test_decimate_dem') |
---|
3593 | #suite = unittest.makeSuite(Test_Data_Manager,'test_decimate_dem_NODATA') |
---|
3594 | runner = unittest.TextTestRunner() |
---|
3595 | runner.run(suite) |
---|