1 | |
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2 | # External modules |
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3 | from Scientific.IO.NetCDF import NetCDFFile |
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4 | import sys |
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5 | import unittest |
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6 | import numpy as num |
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7 | import copy |
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8 | import os |
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9 | |
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10 | # ANUGA modules |
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11 | from anuga.config import netcdf_mode_r, netcdf_mode_w, netcdf_mode_a, \ |
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12 | netcdf_float |
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13 | |
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14 | from anuga.coordinate_transforms.geo_reference import Geo_reference, \ |
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15 | write_NetCDF_georeference |
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16 | from anuga.coordinate_transforms.redfearn import redfearn |
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17 | |
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18 | from urs2sww import urs2sww, urs_ungridded2sww |
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19 | import urs |
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20 | |
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21 | from anuga.file.mux import WAVEHEIGHT_MUX_LABEL, EAST_VELOCITY_LABEL, \ |
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22 | NORTH_VELOCITY_LABEL |
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23 | |
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24 | from anuga.geospatial_data.geospatial_data import ensure_absolute |
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25 | from anuga.utilities.numerical_tools import ensure_numeric |
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26 | |
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27 | # use helper methods from other unit test |
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28 | from anuga.file.test_mux import Test_Mux |
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29 | |
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30 | |
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31 | |
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32 | class Test_Dem2Pts(Test_Mux): |
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33 | """ A suite of tests to test urs2sww file conversion functions. |
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34 | These tests are quite coarse-grained: converting a file |
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35 | and checking that its headers and some of its contents |
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36 | are correct. |
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37 | """ |
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38 | |
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39 | def setUp(self): |
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40 | self.verbose = False # change this to output more debug info |
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41 | |
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42 | |
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43 | def test_urs_ungridded2swwIII (self): |
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44 | |
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45 | #Zone: 50 |
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46 | #Easting: 240992.578 Northing: 7620442.472 |
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47 | #Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 '' |
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48 | lat_long = [[-21.5,114.5],[-21,114.5],[-21,115]] |
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49 | time_step_count = 2 |
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50 | time_step = 400 |
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51 | tide = 9000000 |
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52 | base_name, files = self.write_mux(lat_long, |
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53 | time_step_count, time_step) |
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54 | urs_ungridded2sww(base_name, mean_stage=tide, origin =(50,23432,4343)) |
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55 | |
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56 | # now I want to check the sww file ... |
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57 | sww_file = base_name + '.sww' |
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58 | |
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59 | #Let's interigate the sww file |
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60 | # Note, the sww info is not gridded. It is point data. |
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61 | fid = NetCDFFile(sww_file) |
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62 | |
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63 | # Make x and y absolute |
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64 | x = fid.variables['x'][:] |
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65 | y = fid.variables['y'][:] |
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66 | geo_reference = Geo_reference(NetCDFObject=fid) |
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67 | points = geo_reference.get_absolute(map(None, x, y)) |
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68 | points = ensure_numeric(points) |
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69 | x = points[:,0] |
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70 | y = points[:,1] |
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71 | |
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72 | #Check that first coordinate is correctly represented |
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73 | #Work out the UTM coordinates for first point |
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74 | zone, e, n = redfearn(lat_long[0][0], lat_long[0][1]) |
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75 | assert num.allclose([x[0],y[0]], [e,n]) |
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76 | |
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77 | #Check the time vector |
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78 | times = fid.variables['time'][:] |
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79 | |
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80 | times_actual = [] |
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81 | for i in range(time_step_count): |
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82 | times_actual.append(time_step * i) |
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83 | |
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84 | assert num.allclose(ensure_numeric(times), |
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85 | ensure_numeric(times_actual)) |
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86 | |
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87 | #Check first value |
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88 | stage = fid.variables['stage'][:] |
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89 | xmomentum = fid.variables['xmomentum'][:] |
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90 | ymomentum = fid.variables['ymomentum'][:] |
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91 | elevation = fid.variables['elevation'][:] |
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92 | assert num.allclose(stage[0,0], e +tide) #Meters |
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93 | |
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94 | #Check the momentums - ua |
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95 | #momentum = velocity*(stage-elevation) |
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96 | # elevation = - depth |
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97 | #momentum = velocity_ua *(stage+depth) |
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98 | # = n*(e+tide+n) based on how I'm writing these files |
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99 | # |
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100 | answer_x = n*(e+tide+n) |
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101 | actual_x = xmomentum[0,0] |
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102 | #print "answer_x",answer_x |
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103 | #print "actual_x",actual_x |
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104 | assert num.allclose(answer_x, actual_x) #Meters |
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105 | |
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106 | #Check the momentums - va |
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107 | #momentum = velocity*(stage-elevation) |
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108 | # elevation = - depth |
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109 | #momentum = velocity_va *(stage+depth) |
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110 | # = e*(e+tide+n) based on how I'm writing these files |
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111 | # |
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112 | answer_y = -1*e*(e+tide+n) |
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113 | actual_y = ymomentum[0,0] |
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114 | #print "answer_y",answer_y |
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115 | #print "actual_y",actual_y |
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116 | assert num.allclose(answer_y, actual_y) #Meters |
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117 | |
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118 | # check the stage values, first time step. |
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119 | # These arrays are equal since the Easting values were used as |
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120 | # the stage |
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121 | assert num.allclose(stage[0], x +tide) #Meters |
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122 | # check the elevation values. |
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123 | # -ve since urs measures depth, sww meshers height, |
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124 | # these arrays are equal since the northing values were used as |
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125 | # the elevation |
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126 | assert num.allclose(-elevation, y) #Meters |
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127 | |
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128 | fid.close() |
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129 | self.delete_mux(files) |
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130 | os.remove(sww_file) |
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131 | |
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132 | |
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133 | def test_urs_ungridded_hole (self): |
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134 | |
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135 | #Zone: 50 |
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136 | #Easting: 240992.578 Northing: 7620442.472 |
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137 | #Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 '' |
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138 | lat_long = [[-20.5, 114.5], |
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139 | [-20.6, 114.6], |
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140 | [-20.5, 115.], |
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141 | [-20.6, 115.], |
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142 | [-20.5, 115.5], |
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143 | [-20.6, 115.4], |
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144 | |
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145 | [-21., 114.5], |
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146 | [-21., 114.6], |
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147 | [-21., 115.5], |
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148 | [-21., 115.4], |
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149 | |
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150 | [-21.5, 114.5], |
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151 | [-21.4, 114.6], |
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152 | [-21.5, 115.], |
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153 | [-21.4, 115.], |
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154 | [-21.5, 115.5], |
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155 | [-21.4, 115.4] |
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156 | ] |
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157 | time_step_count = 6 |
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158 | time_step = 100 |
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159 | tide = 9000000 |
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160 | base_name, files = self.write_mux(lat_long, |
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161 | time_step_count, time_step) |
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162 | #Easting: 292110.784 Northing: 7676551.710 |
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163 | #Latitude: -21 0 ' 0.00000 '' Longitude: 115 0 ' 0.00000 '' |
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164 | |
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165 | hole_points_UTM(base_name, mean_stage=-240992.0, |
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166 | hole_points_UTM=[ 292110.784, 7676551.710 ]) |
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167 | |
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168 | # now I want to check the sww file ... |
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169 | sww_file = base_name + '.sww' |
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170 | |
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171 | #Let's interigate the sww file |
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172 | # Note, the sww info is not gridded. It is point data. |
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173 | fid = NetCDFFile(sww_file) |
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174 | |
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175 | number_of_volumes = fid.variables['volumes'] |
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176 | #print "number_of_volumes",len(number_of_volumes) |
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177 | assert num.allclose(16, len(number_of_volumes)) |
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178 | |
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179 | fid.close() |
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180 | self.delete_mux(files) |
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181 | #print "sww_file", sww_file |
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182 | os.remove(sww_file) |
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183 | |
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184 | def test_urs_ungridded_holeII(self): |
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185 | |
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186 | # Check that if using a hole that returns no triangles, |
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187 | # urs_ungridded2sww removes the hole label. |
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188 | |
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189 | lat_long = [[-20.5, 114.5], |
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190 | [-20.6, 114.6], |
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191 | [-20.5, 115.5], |
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192 | [-20.6, 115.4], |
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193 | |
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194 | |
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195 | [-21.5, 114.5], |
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196 | [-21.4, 114.6], |
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197 | [-21.5, 115.5], |
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198 | [-21.4, 115.4] |
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199 | ] |
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200 | time_step_count = 6 |
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201 | time_step = 100 |
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202 | tide = 9000000 |
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203 | base_name, files = self.write_mux(lat_long, |
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204 | time_step_count, time_step) |
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205 | #Easting: 292110.784 Northing: 7676551.710 |
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206 | #Latitude: -21 0 ' 0.00000 '' Longitude: 115 0 ' 0.00000 '' |
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207 | |
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208 | urs_ungridded2sww(base_name, mean_stage=-240992.0, |
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209 | hole_points_UTM=[ 292110.784, 7676551.710 ]) |
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210 | |
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211 | # now I want to check the sww file ... |
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212 | sww_file = base_name + '.sww' |
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213 | fid = NetCDFFile(sww_file) |
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214 | |
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215 | volumes = fid.variables['volumes'] |
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216 | #print "number_of_volumes",len(volumes) |
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217 | |
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218 | fid.close() |
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219 | os.remove(sww_file) |
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220 | |
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221 | urs2sww(base_name, mean_stage=-240992.0) |
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222 | |
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223 | # now I want to check the sww file ... |
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224 | sww_file = base_name + '.sww' |
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225 | fid = NetCDFFile(sww_file) |
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226 | |
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227 | volumes_again = fid.variables['volumes'] |
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228 | #print "number_of_volumes",len(volumes_again) |
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229 | assert num.allclose(len(volumes_again), |
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230 | len(volumes)) |
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231 | fid.close() |
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232 | os.remove(sww_file) |
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233 | self.delete_mux(files) |
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234 | |
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235 | def test_urs_ungridded2sww_mint_maxt (self): |
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236 | |
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237 | #Zone: 50 |
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238 | #Easting: 240992.578 Northing: 7620442.472 |
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239 | #Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 '' |
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240 | lat_long = [[-21.5,114.5],[-21,114.5],[-21,115]] |
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241 | time_step_count = 6 |
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242 | time_step = 100 |
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243 | tide = 9000000 |
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244 | base_name, files = self.write_mux(lat_long, |
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245 | time_step_count, time_step) |
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246 | urs_ungridded2sww(base_name, mean_stage=tide, origin =(50,23432,4343), |
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247 | mint=101, maxt=500) |
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248 | |
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249 | # now I want to check the sww file ... |
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250 | sww_file = base_name + '.sww' |
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251 | |
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252 | #Let's interigate the sww file |
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253 | # Note, the sww info is not gridded. It is point data. |
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254 | fid = NetCDFFile(sww_file) |
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255 | |
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256 | # Make x and y absolute |
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257 | x = fid.variables['x'][:] |
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258 | y = fid.variables['y'][:] |
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259 | geo_reference = Geo_reference(NetCDFObject=fid) |
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260 | points = geo_reference.get_absolute(map(None, x, y)) |
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261 | points = ensure_numeric(points) |
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262 | x = points[:,0] |
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263 | y = points[:,1] |
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264 | |
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265 | #Check that first coordinate is correctly represented |
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266 | #Work out the UTM coordinates for first point |
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267 | zone, e, n = redfearn(lat_long[0][0], lat_long[0][1]) |
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268 | assert num.allclose([x[0],y[0]], [e,n]) |
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269 | |
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270 | #Check the time vector |
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271 | times = fid.variables['time'][:] |
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272 | |
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273 | times_actual = [0,100,200,300] |
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274 | |
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275 | assert num.allclose(ensure_numeric(times), |
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276 | ensure_numeric(times_actual)) |
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277 | |
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278 | #Check first value |
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279 | stage = fid.variables['stage'][:] |
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280 | xmomentum = fid.variables['xmomentum'][:] |
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281 | ymomentum = fid.variables['ymomentum'][:] |
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282 | elevation = fid.variables['elevation'][:] |
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283 | assert num.allclose(stage[0,0], e +tide) #Meters |
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284 | |
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285 | #Check the momentums - ua |
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286 | #momentum = velocity*(stage-elevation) |
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287 | # elevation = - depth |
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288 | #momentum = velocity_ua *(stage+depth) |
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289 | # = n*(e+tide+n) based on how I'm writing these files |
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290 | # |
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291 | answer_x = n*(e+tide+n) |
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292 | actual_x = xmomentum[0,0] |
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293 | #print "answer_x",answer_x |
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294 | #print "actual_x",actual_x |
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295 | assert num.allclose(answer_x, actual_x) #Meters |
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296 | |
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297 | #Check the momentums - va |
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298 | #momentum = velocity*(stage-elevation) |
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299 | # elevation = - depth |
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300 | #momentum = velocity_va *(stage+depth) |
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301 | # = e*(e+tide+n) based on how I'm writing these files |
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302 | # |
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303 | answer_y = -1*e*(e+tide+n) |
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304 | actual_y = ymomentum[0,0] |
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305 | #print "answer_y",answer_y |
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306 | #print "actual_y",actual_y |
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307 | assert num.allclose(answer_y, actual_y) #Meters |
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308 | |
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309 | # check the stage values, first time step. |
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310 | # These arrays are equal since the Easting values were used as |
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311 | # the stage |
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312 | assert num.allclose(stage[0], x +tide) #Meters |
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313 | # check the elevation values. |
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314 | # -ve since urs measures depth, sww meshers height, |
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315 | # these arrays are equal since the northing values were used as |
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316 | # the elevation |
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317 | assert num.allclose(-elevation, y) #Meters |
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318 | |
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319 | fid.close() |
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320 | self.delete_mux(files) |
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321 | os.remove(sww_file) |
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322 | |
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323 | def test_urs_ungridded2sww_mint_maxtII (self): |
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324 | |
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325 | #Zone: 50 |
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326 | #Easting: 240992.578 Northing: 7620442.472 |
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327 | #Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 '' |
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328 | lat_long = [[-21.5,114.5],[-21,114.5],[-21,115]] |
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329 | time_step_count = 6 |
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330 | time_step = 100 |
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331 | tide = 9000000 |
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332 | base_name, files = self.write_mux(lat_long, |
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333 | time_step_count, time_step) |
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334 | urs_ungridded2sww(base_name, mean_stage=tide, origin =(50,23432,4343), |
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335 | mint=0, maxt=100000) |
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336 | |
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337 | # now I want to check the sww file ... |
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338 | sww_file = base_name + '.sww' |
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339 | |
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340 | #Let's interigate the sww file |
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341 | # Note, the sww info is not gridded. It is point data. |
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342 | fid = NetCDFFile(sww_file) |
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343 | |
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344 | # Make x and y absolute |
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345 | geo_reference = Geo_reference(NetCDFObject=fid) |
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346 | points = geo_reference.get_absolute(map(None, fid.variables['x'][:], |
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347 | fid.variables['y'][:])) |
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348 | points = ensure_numeric(points) |
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349 | x = points[:,0] |
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350 | |
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351 | #Check the time vector |
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352 | times = fid.variables['time'][:] |
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353 | |
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354 | times_actual = [0,100,200,300,400,500] |
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355 | assert num.allclose(ensure_numeric(times), |
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356 | ensure_numeric(times_actual)) |
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357 | |
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358 | #Check first value |
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359 | stage = fid.variables['stage'][:] |
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360 | assert num.allclose(stage[0], x +tide) |
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361 | |
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362 | fid.close() |
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363 | self.delete_mux(files) |
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364 | os.remove(sww_file) |
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365 | |
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366 | def test_urs_ungridded2sww_mint_maxtIII (self): |
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367 | |
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368 | #Zone: 50 |
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369 | #Easting: 240992.578 Northing: 7620442.472 |
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370 | #Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 '' |
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371 | lat_long = [[-21.5,114.5],[-21,114.5],[-21,115]] |
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372 | time_step_count = 6 |
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373 | time_step = 100 |
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374 | tide = 9000000 |
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375 | base_name, files = self.write_mux(lat_long, |
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376 | time_step_count, time_step) |
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377 | try: |
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378 | urs2sww(base_name, mean_stage=tide, |
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379 | origin =(50,23432,4343), |
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380 | mint=301, maxt=399, |
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381 | verbose=self.verbose) |
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382 | except: |
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383 | pass |
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384 | else: |
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385 | self.failUnless(0 ==1, 'Bad input did not throw exception error!') |
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386 | |
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387 | self.delete_mux(files) |
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388 | |
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389 | def test_urs_ungridded2sww_mint_maxt_bad (self): |
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390 | #Zone: 50 |
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391 | #Easting: 240992.578 Northing: 7620442.472 |
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392 | #Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 '' |
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393 | lat_long = [[-21.5,114.5],[-21,114.5],[-21,115]] |
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394 | time_step_count = 6 |
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395 | time_step = 100 |
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396 | tide = 9000000 |
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397 | base_name, files = self.write_mux(lat_long, |
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398 | time_step_count, time_step) |
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399 | try: |
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400 | urs2sww(base_name, mean_stage=tide, |
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401 | origin =(50,23432,4343), |
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402 | mint=301, maxt=301, |
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403 | verbose=self.verbose) |
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404 | except: |
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405 | pass |
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406 | else: |
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407 | self.failUnless(0 ==1, 'Bad input did not throw exception error!') |
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408 | |
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409 | self.delete_mux(files) |
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410 | |
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411 | |
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412 | def test_URS_points_needed_and_urs_ungridded2sww(self): |
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413 | # This doesn't actually check anything |
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414 | # |
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415 | ll_lat = -21.5 |
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416 | ll_long = 114.5 |
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417 | grid_spacing = 1./60. |
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418 | lat_amount = 30 |
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419 | long_amount = 30 |
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420 | time_step_count = 2 |
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421 | time_step = 400 |
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422 | tide = -200000 |
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423 | zone = 50 |
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424 | |
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425 | boundary_polygon = [[250000,7660000],[280000,7660000], |
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426 | [280000,7630000],[250000,7630000]] |
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427 | geo=urs.calculate_boundary_points(boundary_polygon, zone, |
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428 | ll_lat, ll_long, grid_spacing, |
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429 | lat_amount, long_amount, |
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430 | verbose=self.verbose) |
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431 | lat_long = geo.get_data_points(as_lat_long=True) |
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432 | base_name, files = self.write_mux(lat_long, |
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433 | time_step_count, time_step) |
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434 | urs_ungridded2sww(base_name, mean_stage=tide, |
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435 | verbose=self.verbose) |
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436 | self.delete_mux(files) |
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437 | os.remove( base_name + '.sww') |
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438 | |
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439 | def cache_test_URS_points_needed_and_urs_ungridded2sww(self): |
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440 | |
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441 | ll_lat = -21.5 |
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442 | ll_long = 114.5 |
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443 | grid_spacing = 1./60. |
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444 | lat_amount = 30 |
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445 | long_amount = 30 |
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446 | time_step_count = 2 |
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447 | time_step = 400 |
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448 | tide = -200000 |
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449 | zone = 50 |
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450 | |
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451 | boundary_polygon = [[250000,7660000],[270000,7650000], |
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452 | [280000,7630000],[250000,7630000]] |
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453 | geo=URS_points_needed(boundary_polygon, zone, |
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454 | ll_lat, ll_long, grid_spacing, |
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455 | lat_amount, long_amount, use_cache=True, |
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456 | verbose=True) |
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457 | |
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458 | def visual_test_URS_points_needed_and_urs_ungridded2sww(self): |
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459 | |
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460 | ll_lat = -21.5 |
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461 | ll_long = 114.5 |
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462 | grid_spacing = 1./60. |
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463 | lat_amount = 30 |
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464 | long_amount = 30 |
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465 | time_step_count = 2 |
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466 | time_step = 400 |
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467 | tide = -200000 |
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468 | zone = 50 |
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469 | |
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470 | boundary_polygon = [[250000,7660000],[270000,7650000], |
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471 | [280000,7630000],[250000,7630000]] |
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472 | geo=URS_points_needed(boundary_polygon, zone, |
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473 | ll_lat, ll_long, grid_spacing, |
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474 | lat_amount, long_amount) |
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475 | lat_long = geo.get_data_points(as_lat_long=True) |
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476 | base_name, files = self.write_mux(lat_long, |
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477 | time_step_count, time_step) |
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478 | urs2sww(base_name, mean_stage=tide) |
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479 | self.delete_mux(files) |
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480 | os.remove( base_name + '.sww') |
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481 | # extend this so it interpolates onto the boundary. |
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482 | # have it fail if there is NaN |
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483 | |
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484 | |
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485 | |
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486 | def test_urs_ungridded2swwII (self): |
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487 | |
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488 | #Zone: 50 |
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489 | #Easting: 240992.578 Northing: 7620442.472 |
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490 | #Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 '' |
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491 | lat_long = [[-21.5,114.5],[-21,114.5],[-21,115]] |
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492 | time_step_count = 2 |
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493 | time_step = 400 |
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494 | tide = 9000000 |
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495 | geo_reference = Geo_reference(50, 3434543,34534543) |
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496 | base_name, files = self.write_mux(lat_long, |
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497 | time_step_count, time_step) |
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498 | urs_ungridded2sww(base_name, mean_stage=tide, origin = geo_reference) |
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499 | |
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500 | # now I want to check the sww file ... |
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501 | sww_file = base_name + '.sww' |
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502 | |
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503 | #Let's interigate the sww file |
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504 | # Note, the sww info is not gridded. It is point data. |
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505 | fid = NetCDFFile(sww_file) |
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506 | |
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507 | # Make x and y absolute |
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508 | x = fid.variables['x'][:] |
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509 | y = fid.variables['y'][:] |
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510 | geo_reference = Geo_reference(NetCDFObject=fid) |
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511 | points = geo_reference.get_absolute(map(None, x, y)) |
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512 | points = ensure_numeric(points) |
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513 | x = points[:,0] |
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514 | y = points[:,1] |
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515 | |
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516 | #Check that first coordinate is correctly represented |
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517 | #Work out the UTM coordinates for first point |
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518 | zone, e, n = redfearn(lat_long[0][0], lat_long[0][1]) |
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519 | assert num.allclose([x[0],y[0]], [e,n]) |
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520 | |
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521 | #Check the time vector |
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522 | times = fid.variables['time'][:] |
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523 | |
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524 | times_actual = [] |
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525 | for i in range(time_step_count): |
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526 | times_actual.append(time_step * i) |
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527 | |
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528 | assert num.allclose(ensure_numeric(times), |
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529 | ensure_numeric(times_actual)) |
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530 | |
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531 | #Check first value |
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532 | stage = fid.variables['stage'][:] |
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533 | xmomentum = fid.variables['xmomentum'][:] |
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534 | ymomentum = fid.variables['ymomentum'][:] |
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535 | elevation = fid.variables['elevation'][:] |
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536 | assert num.allclose(stage[0,0], e +tide) #Meters |
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537 | |
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538 | #Check the momentums - ua |
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539 | #momentum = velocity*(stage-elevation) |
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540 | # elevation = - depth |
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541 | #momentum = velocity_ua *(stage+depth) |
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542 | # = n*(e+tide+n) based on how I'm writing these files |
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543 | # |
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544 | answer_x = n*(e+tide+n) |
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545 | actual_x = xmomentum[0,0] |
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546 | #print "answer_x",answer_x |
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547 | #print "actual_x",actual_x |
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548 | assert num.allclose(answer_x, actual_x) #Meters |
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549 | |
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550 | #Check the momentums - va |
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551 | #momentum = velocity*(stage-elevation) |
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552 | # elevation = - depth |
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553 | #momentum = velocity_va *(stage+depth) |
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554 | # = e*(e+tide+n) based on how I'm writing these files |
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555 | # |
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556 | answer_y = -1*e*(e+tide+n) |
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557 | actual_y = ymomentum[0,0] |
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558 | #print "answer_y",answer_y |
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559 | #print "actual_y",actual_y |
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560 | assert num.allclose(answer_y, actual_y) #Meters |
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561 | |
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562 | # check the stage values, first time step. |
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563 | # These arrays are equal since the Easting values were used as |
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564 | # the stage |
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565 | assert num.allclose(stage[0], x +tide) #Meters |
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566 | # check the elevation values. |
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567 | # -ve since urs measures depth, sww meshers height, |
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568 | # these arrays are equal since the northing values were used as |
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569 | # the elevation |
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570 | assert num.allclose(-elevation, y) #Meters |
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571 | |
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572 | fid.close() |
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573 | self.delete_mux(files) |
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574 | os.remove(sww_file) |
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575 | |
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576 | |
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577 | def test_urs_ungridded2sww (self): |
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578 | |
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579 | #Zone: 50 |
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580 | #Easting: 240992.578 Northing: 7620442.472 |
---|
581 | #Latitude: -21 30 ' 0.00000 '' Longitude: 114 30 ' 0.00000 '' |
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582 | lat_long = [[-21.5,114.5],[-21,114.5],[-21,115]] |
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583 | time_step_count = 2 |
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584 | time_step = 400 |
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585 | tide = 9000000 |
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586 | base_name, files = self.write_mux(lat_long, |
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587 | time_step_count, time_step) |
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588 | urs_ungridded2sww(base_name, mean_stage=tide, |
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589 | verbose=self.verbose) |
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590 | |
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591 | # now I want to check the sww file ... |
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592 | sww_file = base_name + '.sww' |
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593 | |
---|
594 | #Let's interigate the sww file |
---|
595 | # Note, the sww info is not gridded. It is point data. |
---|
596 | fid = NetCDFFile(sww_file) |
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597 | |
---|
598 | # Make x and y absolute |
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599 | x = fid.variables['x'][:] |
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600 | y = fid.variables['y'][:] |
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601 | geo_reference = Geo_reference(NetCDFObject=fid) |
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602 | points = geo_reference.get_absolute(map(None, x, y)) |
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603 | points = ensure_numeric(points) |
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604 | x = points[:,0] |
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605 | y = points[:,1] |
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606 | |
---|
607 | #Check that first coordinate is correctly represented |
---|
608 | #Work out the UTM coordinates for first point |
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609 | zone, e, n = redfearn(lat_long[0][0], lat_long[0][1]) |
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610 | assert num.allclose([x[0],y[0]], [e,n]) |
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611 | |
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612 | #Check the time vector |
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613 | times = fid.variables['time'][:] |
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614 | |
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615 | times_actual = [] |
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616 | for i in range(time_step_count): |
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617 | times_actual.append(time_step * i) |
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618 | |
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619 | assert num.allclose(ensure_numeric(times), |
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620 | ensure_numeric(times_actual)) |
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621 | |
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622 | #Check first value |
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623 | stage = fid.variables['stage'][:] |
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624 | xmomentum = fid.variables['xmomentum'][:] |
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625 | ymomentum = fid.variables['ymomentum'][:] |
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626 | elevation = fid.variables['elevation'][:] |
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627 | assert num.allclose(stage[0,0], e +tide) #Meters |
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628 | |
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629 | |
---|
630 | #Check the momentums - ua |
---|
631 | #momentum = velocity*(stage-elevation) |
---|
632 | # elevation = - depth |
---|
633 | #momentum = velocity_ua *(stage+depth) |
---|
634 | # = n*(e+tide+n) based on how I'm writing these files |
---|
635 | # |
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636 | answer_x = n*(e+tide+n) |
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637 | actual_x = xmomentum[0,0] |
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638 | #print "answer_x",answer_x |
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639 | #print "actual_x",actual_x |
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640 | assert num.allclose(answer_x, actual_x) #Meters |
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641 | |
---|
642 | #Check the momentums - va |
---|
643 | #momentum = velocity*(stage-elevation) |
---|
644 | # elevation = - depth |
---|
645 | #momentum = velocity_va *(stage+depth) |
---|
646 | # = e*(e+tide+n) based on how I'm writing these files |
---|
647 | # |
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648 | answer_y = -1*e*(e+tide+n) |
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649 | actual_y = ymomentum[0,0] |
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650 | #print "answer_y",answer_y |
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651 | #print "actual_y",actual_y |
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652 | assert num.allclose(answer_y, actual_y) #Meters |
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653 | |
---|
654 | # check the stage values, first time step. |
---|
655 | # These arrays are equal since the Easting values were used as |
---|
656 | # the stage |
---|
657 | assert num.allclose(stage[0], x +tide) #Meters |
---|
658 | # check the elevation values. |
---|
659 | # -ve since urs measures depth, sww meshers height, |
---|
660 | # these arrays are equal since the northing values were used as |
---|
661 | # the elevation |
---|
662 | assert num.allclose(-elevation, y) #Meters |
---|
663 | |
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664 | fid.close() |
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665 | self.delete_mux(files) |
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666 | os.remove(sww_file) |
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667 | |
---|
668 | |
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669 | #------------------------------------------------------------- |
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670 | |
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671 | if __name__ == "__main__": |
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672 | suite = unittest.makeSuite(Test_Dem2Pts,'test') |
---|
673 | runner = unittest.TextTestRunner() |
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674 | runner.run(suite) |
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