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 os |
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6 | from Numeric import zeros, array, allclose, concatenate |
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7 | from math import sqrt, pi |
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8 | import tempfile |
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9 | |
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10 | from anuga.geospatial_data.geospatial_data import * |
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11 | from anuga.coordinate_transforms.geo_reference import Geo_reference, TitleError |
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12 | from anuga.coordinate_transforms.redfearn import degminsec2decimal_degrees |
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13 | |
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14 | |
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15 | class Test_Geospatial_data(unittest.TestCase): |
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16 | def setUp(self): |
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17 | pass |
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18 | |
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19 | def tearDown(self): |
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20 | pass |
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21 | |
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22 | |
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23 | def test_0(self): |
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24 | """test_0(self): |
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25 | |
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26 | Basic points |
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27 | """ |
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28 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
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29 | |
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30 | points = [[1.0, 2.1], [3.0, 5.3]] |
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31 | G = Geospatial_data(points) |
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32 | |
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33 | assert allclose(G.data_points, [[1.0, 2.1], [3.0, 5.3]]) |
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34 | |
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35 | #Check __repr__ |
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36 | |
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37 | rep = `G` |
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38 | ref = '[[ 1. 2.1]\n [ 3. 5.3]]' |
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39 | assert rep == ref |
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40 | |
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41 | |
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42 | #Check getter |
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43 | assert allclose(G.get_data_points(), [[1.0, 2.1], [3.0, 5.3]]) |
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44 | |
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45 | #Check defaults |
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46 | assert G.attributes is None |
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47 | |
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48 | assert G.geo_reference.zone == Geo_reference().zone |
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49 | assert G.geo_reference.xllcorner == Geo_reference().xllcorner |
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50 | assert G.geo_reference.yllcorner == Geo_reference().yllcorner |
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51 | |
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52 | |
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53 | def test_1(self): |
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54 | points = [[1.0, 2.1], [3.0, 5.3]] |
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55 | attributes = [2, 4] |
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56 | G = Geospatial_data(points, attributes) |
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57 | |
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58 | assert G.attributes.keys()[0] == 'attribute' |
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59 | assert allclose(G.attributes.values()[0], [2, 4]) |
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60 | |
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61 | |
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62 | def test_2(self): |
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63 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
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64 | points = [[1.0, 2.1], [3.0, 5.3]] |
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65 | attributes = [2, 4] |
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66 | G = Geospatial_data(points, attributes, |
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67 | geo_reference=Geo_reference(56, 100, 200)) |
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68 | |
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69 | assert G.geo_reference.zone == 56 |
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70 | assert G.geo_reference.xllcorner == 100 |
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71 | assert G.geo_reference.yllcorner == 200 |
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72 | |
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73 | |
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74 | def test_get_attributes_1(self): |
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75 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
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76 | points = [[1.0, 2.1], [3.0, 5.3]] |
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77 | attributes = [2, 4] |
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78 | G = Geospatial_data(points, attributes, |
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79 | geo_reference=Geo_reference(56, 100, 200)) |
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80 | |
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81 | |
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82 | P = G.get_data_points(absolute=False) |
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83 | assert allclose(P, [[1.0, 2.1], [3.0, 5.3]]) |
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84 | |
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85 | P = G.get_data_points(absolute=True) |
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86 | assert allclose(P, [[101.0, 202.1], [103.0, 205.3]]) |
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87 | |
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88 | V = G.get_attributes() #Simply get them |
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89 | assert allclose(V, [2, 4]) |
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90 | |
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91 | V = G.get_attributes('attribute') #Get by name |
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92 | assert allclose(V, [2, 4]) |
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93 | |
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94 | def test_get_attributes_2(self): |
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95 | """Multiple attributes |
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96 | """ |
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97 | |
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98 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
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99 | points = [[1.0, 2.1], [3.0, 5.3]] |
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100 | attributes = {'a0': [0, 0], 'a1': [2, 4], 'a2': [79.4, -7]} |
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101 | G = Geospatial_data(points, attributes, |
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102 | geo_reference=Geo_reference(56, 100, 200), |
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103 | default_attribute_name='a1') |
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104 | |
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105 | |
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106 | P = G.get_data_points(absolute=False) |
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107 | assert allclose(P, [[1.0, 2.1], [3.0, 5.3]]) |
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108 | |
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109 | V = G.get_attributes() #Get default attribute |
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110 | assert allclose(V, [2, 4]) |
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111 | |
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112 | V = G.get_attributes('a0') #Get by name |
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113 | assert allclose(V, [0, 0]) |
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114 | |
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115 | V = G.get_attributes('a1') #Get by name |
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116 | assert allclose(V, [2, 4]) |
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117 | |
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118 | V = G.get_attributes('a2') #Get by name |
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119 | assert allclose(V, [79.4, -7]) |
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120 | |
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121 | try: |
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122 | V = G.get_attributes('hdnoatedu') #Invalid |
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123 | except AssertionError: |
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124 | pass |
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125 | else: |
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126 | raise 'Should have raised exception' |
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127 | |
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128 | def test_get_data_points(self): |
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129 | points_ab = [[12.5,34.7],[-4.5,-60.0]] |
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130 | x_p = -10 |
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131 | y_p = -40 |
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132 | geo_ref = Geo_reference(56, x_p, y_p) |
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133 | points_rel = geo_ref.change_points_geo_ref(points_ab) |
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134 | |
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135 | spatial = Geospatial_data(points_rel, geo_reference=geo_ref) |
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136 | |
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137 | results = spatial.get_data_points(absolute=False) |
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138 | |
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139 | assert allclose(results, points_rel) |
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140 | |
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141 | x_p = -1770 |
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142 | y_p = 4.01 |
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143 | geo_ref = Geo_reference(56, x_p, y_p) |
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144 | points_rel = geo_ref.change_points_geo_ref(points_ab) |
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145 | results = spatial.get_data_points \ |
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146 | ( geo_reference=geo_ref) |
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147 | |
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148 | assert allclose(results, points_rel) |
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149 | |
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150 | |
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151 | def test_set_geo_reference(self): |
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152 | points_ab = [[12.5,34.7],[-4.5,-60.0]] |
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153 | x_p = -10 |
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154 | y_p = -40 |
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155 | geo_ref = Geo_reference(56, x_p, y_p) |
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156 | points_rel = geo_ref.change_points_geo_ref(points_ab) |
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157 | spatial = Geospatial_data(points_rel) |
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158 | # since the geo_ref wasn't set |
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159 | assert not allclose( points_ab, spatial.get_data_points(absolute=True)) |
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160 | |
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161 | spatial = Geospatial_data(points_rel, geo_reference=geo_ref) |
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162 | assert allclose( points_ab, spatial.get_data_points(absolute=True)) |
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163 | |
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164 | x_p = 10 |
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165 | y_p = 400 |
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166 | new_geo_ref = Geo_reference(56, x_p, y_p) |
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167 | spatial.set_geo_reference(new_geo_ref) |
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168 | assert allclose( points_ab, spatial.get_data_points(absolute=True)) |
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169 | |
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170 | |
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171 | |
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172 | def test_conversions_to_points_dict(self): |
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173 | """test conversions to points_dict |
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174 | """ |
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175 | |
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176 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
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177 | points = [[1.0, 2.1], [3.0, 5.3]] |
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178 | attributes = {'a0': [0, 0], 'a1': [2, 4], 'a2': [79.4, -7]} |
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179 | G = Geospatial_data(points, attributes, |
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180 | geo_reference=Geo_reference(56, 100, 200), |
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181 | default_attribute_name='a1') |
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182 | |
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183 | |
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184 | points_dict = geospatial_data2points_dictionary(G) |
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185 | |
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186 | assert points_dict.has_key('pointlist') |
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187 | assert points_dict.has_key('attributelist') |
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188 | assert points_dict.has_key('geo_reference') |
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189 | |
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190 | assert allclose( points_dict['pointlist'], points ) |
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191 | |
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192 | A = points_dict['attributelist'] |
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193 | assert A.has_key('a0') |
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194 | assert A.has_key('a1') |
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195 | assert A.has_key('a2') |
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196 | |
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197 | assert allclose( A['a0'], [0, 0] ) |
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198 | assert allclose( A['a1'], [2, 4] ) |
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199 | assert allclose( A['a2'], [79.4, -7] ) |
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200 | |
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201 | |
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202 | geo = points_dict['geo_reference'] |
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203 | assert geo is G.geo_reference |
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204 | |
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205 | |
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206 | def test_conversions_from_points_dict(self): |
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207 | """test conversions from points_dict |
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208 | """ |
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209 | |
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210 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
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211 | |
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212 | points = [[1.0, 2.1], [3.0, 5.3]] |
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213 | attributes = {'a0': [0, 0], 'a1': [2, 4], 'a2': [79.4, -7]} |
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214 | |
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215 | points_dict = {} |
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216 | points_dict['pointlist'] = points |
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217 | points_dict['attributelist'] = attributes |
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218 | points_dict['geo_reference'] = Geo_reference(56, 100, 200) |
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219 | |
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220 | |
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221 | G = points_dictionary2geospatial_data(points_dict) |
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222 | |
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223 | P = G.get_data_points(absolute=False) |
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224 | assert allclose(P, [[1.0, 2.1], [3.0, 5.3]]) |
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225 | |
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226 | #V = G.get_attribute_values() #Get default attribute |
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227 | #assert allclose(V, [2, 4]) |
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228 | |
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229 | V = G.get_attributes('a0') #Get by name |
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230 | assert allclose(V, [0, 0]) |
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231 | |
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232 | V = G.get_attributes('a1') #Get by name |
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233 | assert allclose(V, [2, 4]) |
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234 | |
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235 | V = G.get_attributes('a2') #Get by name |
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236 | assert allclose(V, [79.4, -7]) |
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237 | |
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238 | def test_add(self): |
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239 | """ test the addition of two geospatical objects |
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240 | no geo_reference see next test |
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241 | """ |
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242 | points = [[1.0, 2.1], [3.0, 5.3]] |
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243 | attributes = {'depth':[2, 4], 'elevation':[6.1, 5]} |
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244 | attributes1 = {'depth':[2, 4], 'elevation':[2.5, 1]} |
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245 | G1 = Geospatial_data(points, attributes) |
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246 | G2 = Geospatial_data(points, attributes1) |
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247 | |
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248 | # g3 = geospatial_data2points_dictionary(G1) |
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249 | # print 'g3=', g3 |
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250 | |
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251 | G = G1 + G2 |
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252 | |
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253 | assert G.attributes.has_key('depth') |
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254 | assert G.attributes.has_key('elevation') |
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255 | assert allclose(G.attributes['depth'], [2, 4, 2, 4]) |
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256 | assert allclose(G.attributes['elevation'], [6.1, 5, 2.5, 1]) |
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257 | assert allclose(G.get_data_points(), [[1.0, 2.1], [3.0, 5.3], |
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258 | [1.0, 2.1], [3.0, 5.3]]) |
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259 | |
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260 | def test_addII(self): |
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261 | """ test the addition of two geospatical objects |
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262 | no geo_reference see next test |
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263 | """ |
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264 | points = [[1.0, 2.1], [3.0, 5.3]] |
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265 | attributes = {'depth':[2, 4]} |
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266 | G1 = Geospatial_data(points, attributes) |
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267 | |
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268 | points = [[5.0, 2.1], [3.0, 50.3]] |
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269 | attributes = {'depth':[200, 400]} |
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270 | G2 = Geospatial_data(points, attributes) |
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271 | |
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272 | # g3 = geospatial_data2points_dictionary(G1) |
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273 | # print 'g3=', g3 |
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274 | |
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275 | G = G1 + G2 |
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276 | |
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277 | assert G.attributes.has_key('depth') |
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278 | assert G.attributes.keys(), ['depth'] |
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279 | assert allclose(G.attributes['depth'], [2, 4, 200, 400]) |
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280 | assert allclose(G.get_data_points(), [[1.0, 2.1], [3.0, 5.3], |
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281 | [5.0, 2.1], [3.0, 50.3]]) |
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282 | def test_add_with_geo (self): |
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283 | """ |
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284 | Difference in Geo_reference resolved |
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285 | """ |
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286 | points1 = [[1.0, 2.1], [3.0, 5.3]] |
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287 | points2 = [[5.0, 6.1], [6.0, 3.3]] |
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288 | attributes1 = [2, 4] |
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289 | attributes2 = [5, 76] |
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290 | geo_ref1= Geo_reference(55, 1.0, 2.0) |
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291 | geo_ref2 = Geo_reference(zone=55, |
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292 | xllcorner=0.1, |
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293 | yllcorner=3.0, |
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294 | datum='wgs84', |
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295 | projection='UTM', |
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296 | units='m') |
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297 | |
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298 | G1 = Geospatial_data(points1, attributes1, geo_ref1) |
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299 | G2 = Geospatial_data(points2, attributes2, geo_ref2) |
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300 | |
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301 | #Check that absolute values are as expected |
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302 | P1 = G1.get_data_points(absolute=True) |
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303 | assert allclose(P1, [[2.0, 4.1], [4.0, 7.3]]) |
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304 | |
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305 | P2 = G2.get_data_points(absolute=True) |
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306 | assert allclose(P2, [[5.1, 9.1], [6.1, 6.3]]) |
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307 | |
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308 | G = G1 + G2 |
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309 | |
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310 | assert allclose(G.get_geo_reference().get_xllcorner(), 0.1) |
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311 | assert allclose(G.get_geo_reference().get_yllcorner(), 2.0) |
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312 | |
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313 | P = G.get_data_points(absolute=True) |
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314 | |
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315 | P_relative = G.get_data_points(absolute=False) |
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316 | |
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317 | assert allclose(P_relative, P - [0.1, 2.0]) |
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318 | |
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319 | assert allclose(P, concatenate( (P1,P2) )) |
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320 | assert allclose(P, [[2.0, 4.1], [4.0, 7.3], |
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321 | [5.1, 9.1], [6.1, 6.3]]) |
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322 | |
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323 | |
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324 | |
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325 | |
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326 | |
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327 | def test_add_with_geo_absolute (self): |
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328 | """ |
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329 | Difference in Geo_reference resolved |
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330 | """ |
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331 | points1 = array([[2.0, 4.1], [4.0, 7.3]]) |
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332 | points2 = array([[5.1, 9.1], [6.1, 6.3]]) |
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333 | attributes1 = [2, 4] |
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334 | attributes2 = [5, 76] |
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335 | geo_ref1= Geo_reference(55, 1.0, 2.0) |
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336 | geo_ref2 = Geo_reference(55, 2.0, 3.0) |
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337 | |
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338 | |
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339 | |
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340 | G1 = Geospatial_data(points1 - [geo_ref1.get_xllcorner(), geo_ref1.get_yllcorner()], |
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341 | attributes1, geo_ref1) |
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342 | |
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343 | G2 = Geospatial_data(points2 - [geo_ref2.get_xllcorner(), geo_ref2.get_yllcorner()], |
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344 | attributes2, geo_ref2) |
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345 | |
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346 | #Check that absolute values are as expected |
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347 | P1 = G1.get_data_points(absolute=True) |
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348 | assert allclose(P1, points1) |
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349 | |
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350 | P1 = G1.get_data_points(absolute=False) |
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351 | assert allclose(P1, points1 - [geo_ref1.get_xllcorner(), geo_ref1.get_yllcorner()]) |
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352 | |
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353 | P2 = G2.get_data_points(absolute=True) |
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354 | assert allclose(P2, points2) |
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355 | |
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356 | P2 = G2.get_data_points(absolute=False) |
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357 | assert allclose(P2, points2 - [geo_ref2.get_xllcorner(), geo_ref2.get_yllcorner()]) |
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358 | |
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359 | G = G1 + G2 |
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360 | |
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361 | assert allclose(G.get_geo_reference().get_xllcorner(), 1.0) |
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362 | assert allclose(G.get_geo_reference().get_yllcorner(), 2.0) |
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363 | |
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364 | P = G.get_data_points(absolute=True) |
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365 | |
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366 | P_relative = G.get_data_points(absolute=False) |
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367 | |
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368 | assert allclose(P_relative, [[1.0, 2.1], [3.0, 5.3], [4.1, 7.1], [5.1, 4.3]]) |
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369 | |
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370 | assert allclose(P, concatenate( (points1,points2) )) |
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371 | |
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372 | |
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373 | def test_clip0(self): |
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374 | """test_clip0(self): |
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375 | |
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376 | Test that point sets can be clipped by a polygon |
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377 | """ |
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378 | |
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379 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
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380 | |
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381 | points = [[-1, 4], [0.2, 0.5], [1.0, 2.1], [0.4, 0.3], [3.0, 5.3], |
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382 | [0, 0], [2.4, 3.3]] |
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383 | G = Geospatial_data(points) |
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384 | |
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385 | # First try the unit square |
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386 | U = [[0,0], [1,0], [1,1], [0,1]] |
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387 | assert allclose(G.clip(U).get_data_points(), [[0.2, 0.5], [0.4, 0.3], [0, 0]]) |
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388 | |
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389 | # Then a more complex polygon |
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390 | polygon = [[0,0], [1,0], [0.5,-1], [2, -1], [2,1], [0,1]] |
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391 | points = [ [0.5, 1.4], [0.5, 0.5], [1, -0.5], [1.5, 0], [0.5, 1.5], [0.5, -0.5]] |
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392 | G = Geospatial_data(points) |
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393 | |
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394 | assert allclose(G.clip(polygon).get_data_points(), |
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395 | [[0.5, 0.5], [1, -0.5], [1.5, 0]]) |
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396 | |
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397 | def test_clip1(self): |
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398 | """test_clip1(self): |
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399 | |
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400 | Test that point sets can be clipped by a polygon given as |
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401 | another Geospatial dataset |
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402 | """ |
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403 | |
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404 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
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405 | |
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406 | points = [[-1, 4], [0.2, 0.5], [1.0, 2.1], [0.4, 0.3], [3.0, 5.3], |
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407 | [0, 0], [2.4, 3.3]] |
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408 | G = Geospatial_data(points) |
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409 | |
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410 | # First try the unit square |
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411 | U = Geospatial_data([[0,0], [1,0], [1,1], [0,1]]) |
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412 | assert allclose(G.clip(U).get_data_points(), |
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413 | [[0.2, 0.5], [0.4, 0.3], [0, 0]]) |
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414 | |
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415 | # Then a more complex polygon |
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416 | points = [ [0.5, 1.4], [0.5, 0.5], [1, -0.5], [1.5, 0], [0.5, 1.5], [0.5, -0.5]] |
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417 | G = Geospatial_data(points) |
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418 | polygon = Geospatial_data([[0,0], [1,0], [0.5,-1], [2, -1], [2,1], [0,1]]) |
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419 | |
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420 | |
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421 | assert allclose(G.clip(polygon).get_data_points(), |
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422 | [[0.5, 0.5], [1, -0.5], [1.5, 0]]) |
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423 | |
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424 | |
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425 | |
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426 | |
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427 | |
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428 | def test_create_from_xya_file(self): |
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429 | """Check that object can be created from a points file (.pts and .xya) |
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430 | """ |
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431 | |
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432 | points = [[1.0, 2.1], [3.0, 5.3], [5.0, 6.1], [6.0, 3.3]] |
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433 | attributes = [2, 4, 5, 76] |
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434 | ''' |
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435 | # Use old pointsdict format |
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436 | pointsdict = {'pointlist': points, |
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437 | 'attributelist': {'att1': attributes, |
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438 | 'att2': array(attributes) + 1}} |
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439 | ''' |
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440 | att_dict = {'att1': attributes, |
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441 | 'att2': array(attributes) +1} |
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442 | |
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443 | # Create points as an xya file |
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444 | FN = 'test_points.xya' |
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445 | G1 = Geospatial_data(points, att_dict) |
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446 | G1.export_points_file(FN) |
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447 | # G1.export_points_file(ofile) |
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448 | |
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449 | #Create object from file |
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450 | G = Geospatial_data(file_name = FN) |
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451 | |
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452 | assert allclose(G.get_data_points(), points) |
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453 | assert allclose(G.get_attributes('att1'), attributes) |
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454 | assert allclose(G.get_attributes('att2'), array(attributes) + 1) |
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455 | |
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456 | os.remove(FN) |
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457 | |
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458 | def test_create_from_xya_file1(self): |
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459 | """ |
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460 | Check that object can be created from an Absolute xya file |
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461 | """ |
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462 | |
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463 | points = [[1.0, 2.1], [3.0, 5.3], [5.0, 6.1], [6.0, 3.3]] |
---|
464 | attributes = [2, 4, 5, 76] |
---|
465 | |
---|
466 | att_dict = {'att1': attributes, |
---|
467 | 'att2': array(attributes) +1} |
---|
468 | |
---|
469 | geo_ref = Geo_reference(56, 10, 5) |
---|
470 | |
---|
471 | # Create points as an xya file |
---|
472 | FN = 'test_points.xya' |
---|
473 | G1 = Geospatial_data(points, att_dict, geo_ref) |
---|
474 | |
---|
475 | G1.export_points_file(FN, absolute=True) |
---|
476 | |
---|
477 | #Create object from file |
---|
478 | G = Geospatial_data(file_name = FN) |
---|
479 | |
---|
480 | assert allclose(G.get_data_points(absolute=True), |
---|
481 | G1.get_data_points(absolute=True)) |
---|
482 | assert allclose(G.get_attributes('att1'), attributes) |
---|
483 | assert allclose(G.get_attributes('att2'), array(attributes) + 1) |
---|
484 | |
---|
485 | os.remove(FN) |
---|
486 | |
---|
487 | def test_loadxya(self): |
---|
488 | """ |
---|
489 | comma delimited |
---|
490 | """ |
---|
491 | fileName = tempfile.mktemp(".xya") |
---|
492 | file = open(fileName,"w") |
---|
493 | file.write("elevation , speed \n\ |
---|
494 | 1.0, 0.0, 10.0, 0.0\n\ |
---|
495 | 0.0, 1.0, 0.0, 10.0\n\ |
---|
496 | 1.0, 0.0, 10.4, 40.0\n") |
---|
497 | file.close() |
---|
498 | results = Geospatial_data(fileName, delimiter=',') |
---|
499 | os.remove(fileName) |
---|
500 | # print 'data', results.get_data_points() |
---|
501 | assert allclose(results.get_data_points(), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
502 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.0, 0.0, 10.4]) |
---|
503 | assert allclose(results.get_attributes(attribute_name='speed'), [0.0, 10.0, 40.0]) |
---|
504 | |
---|
505 | def test_loadxya2(self): |
---|
506 | """ |
---|
507 | space delimited |
---|
508 | """ |
---|
509 | import os |
---|
510 | |
---|
511 | fileName = tempfile.mktemp(".xya") |
---|
512 | file = open(fileName,"w") |
---|
513 | file.write(" elevation speed \n\ |
---|
514 | 1.0 0.0 10.0 0.0\n\ |
---|
515 | 0.0 1.0 0.0 10.0\n\ |
---|
516 | 1.0 0.0 10.4 40.0\n") |
---|
517 | file.close() |
---|
518 | |
---|
519 | results = Geospatial_data(fileName, delimiter=' ') |
---|
520 | |
---|
521 | os.remove(fileName) |
---|
522 | |
---|
523 | assert allclose(results.get_data_points(), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
524 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.0, 0.0, 10.4]) |
---|
525 | assert allclose(results.get_attributes(attribute_name='speed'), [0.0, 10.0, 40.0]) |
---|
526 | |
---|
527 | def test_loadxya3(self): |
---|
528 | """ |
---|
529 | space delimited |
---|
530 | """ |
---|
531 | import os |
---|
532 | |
---|
533 | fileName = tempfile.mktemp(".xya") |
---|
534 | file = open(fileName,"w") |
---|
535 | file.write(" elevation speed \n\ |
---|
536 | 1.0 0.0 10.0 0.0\n\ |
---|
537 | 0.0 1.0 0.0 10.0\n\ |
---|
538 | 1.0 0.0 10.4 40.0\n\ |
---|
539 | #geocrap\n\ |
---|
540 | 56\n\ |
---|
541 | 56.6\n\ |
---|
542 | 3\n") |
---|
543 | file.close() |
---|
544 | |
---|
545 | results = Geospatial_data(fileName, delimiter=' ') |
---|
546 | |
---|
547 | os.remove(fileName) |
---|
548 | assert allclose(results.get_data_points(absolute=False), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
549 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.0, 0.0, 10.4]) |
---|
550 | assert allclose(results.get_attributes(attribute_name='speed'), [0.0, 10.0, 40.0]) |
---|
551 | |
---|
552 | def BADtest_loadxya4(self): |
---|
553 | """ |
---|
554 | comma delimited |
---|
555 | """ |
---|
556 | fileName = tempfile.mktemp(".xya") |
---|
557 | file = open(fileName,"w") |
---|
558 | file.write("elevation , speed \n\ |
---|
559 | 1.0, 0.0, splat, 0.0\n\ |
---|
560 | 0.0, 1.0, 0.0, 10.0\n\ |
---|
561 | 1.0, 0.0, 10.4, 40.0\n") |
---|
562 | file.close() |
---|
563 | results = Geospatial_data(fileName, delimiter=',') |
---|
564 | os.remove(fileName) |
---|
565 | # print 'data', results.get_data_points() |
---|
566 | assert allclose(results.get_data_points(), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
567 | assert allclose(results.get_attributes(attribute_name='elevation'), ["splat", 0.0, 10.4]) |
---|
568 | assert allclose(results.get_attributes(attribute_name='speed'), [0.0, 10.0, 40.0]) |
---|
569 | |
---|
570 | def test_read_write_points_file_bad2(self): |
---|
571 | att_dict = {} |
---|
572 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
573 | att_dict['elevation'] = array([10.0, 0.0, 10.4]) |
---|
574 | att_dict['brightness'] = array([10.0, 0.0, 10.4]) |
---|
575 | geo_reference=Geo_reference(56,1.9,1.9) |
---|
576 | |
---|
577 | G = Geospatial_data(pointlist, att_dict, geo_reference) |
---|
578 | |
---|
579 | try: |
---|
580 | G.export_points_file("_???/yeah.xya") |
---|
581 | |
---|
582 | except IOError: |
---|
583 | pass |
---|
584 | else: |
---|
585 | msg = 'bad points file extension did not raise error!' |
---|
586 | raise msg |
---|
587 | # self.failUnless(0 == 1, |
---|
588 | # 'bad points file extension did not raise error!') |
---|
589 | |
---|
590 | def test_loadxy_bad(self): |
---|
591 | import os |
---|
592 | |
---|
593 | fileName = tempfile.mktemp(".xya") |
---|
594 | file = open(fileName,"w") |
---|
595 | file.write(" elevation \n\ |
---|
596 | 1.0 0.0 10.0 0.0\n\ |
---|
597 | 0.0 1.0 0.0 10.0\n\ |
---|
598 | 1.0 0.0 10.4 40.0\n") |
---|
599 | file.close() |
---|
600 | #print fileName |
---|
601 | try: |
---|
602 | results = Geospatial_data(fileName, delimiter=' ') |
---|
603 | except IOError: |
---|
604 | pass |
---|
605 | else: |
---|
606 | msg = 'bad xya file did not raise error!' |
---|
607 | raise msg |
---|
608 | # self.failUnless(0 == 1, |
---|
609 | # 'bad xya file did not raise error!') |
---|
610 | os.remove(fileName) |
---|
611 | |
---|
612 | def test_loadxy_bad2(self): |
---|
613 | import os |
---|
614 | |
---|
615 | fileName = tempfile.mktemp(".xya") |
---|
616 | file = open(fileName,"w") |
---|
617 | file.write("elevation\n\ |
---|
618 | 1.0 0.0 10.0 \n\ |
---|
619 | 0.0 1.0\n\ |
---|
620 | 1.0 \n") |
---|
621 | file.close() |
---|
622 | #print fileName |
---|
623 | try: |
---|
624 | results = Geospatial_data(fileName, delimiter=' ') |
---|
625 | except IOError: |
---|
626 | pass |
---|
627 | else: |
---|
628 | msg = 'bad xya file did not raise error!' |
---|
629 | raise msg |
---|
630 | os.remove(fileName) |
---|
631 | |
---|
632 | def test_loadxy_bad3(self): |
---|
633 | """ |
---|
634 | specifying wrong delimiter |
---|
635 | """ |
---|
636 | import os |
---|
637 | |
---|
638 | fileName = tempfile.mktemp(".xya") |
---|
639 | file = open(fileName,"w") |
---|
640 | file.write(" elevation , speed \n\ |
---|
641 | 1.0, 0.0, 10.0, 0.0\n\ |
---|
642 | 0.0, 1.0, 0.0, 10.0\n\ |
---|
643 | 1.0, 0.0, 10.4, 40.0\n") |
---|
644 | file.close() |
---|
645 | try: |
---|
646 | results = Geospatial_data(fileName, delimiter=' ') |
---|
647 | except IOError: |
---|
648 | pass |
---|
649 | else: |
---|
650 | msg = 'bad xya file did not raise error!' |
---|
651 | raise msg |
---|
652 | os.remove(fileName) |
---|
653 | |
---|
654 | def test_loadxy_bad4(self): |
---|
655 | """ |
---|
656 | specifying wrong delimiter |
---|
657 | """ |
---|
658 | import os |
---|
659 | fileName = tempfile.mktemp(".xya") |
---|
660 | file = open(fileName,"w") |
---|
661 | file.write(" elevation speed \n\ |
---|
662 | 1.0 0.0 10.0 0.0\n\ |
---|
663 | 0.0 1.0 0.0 10.0\n\ |
---|
664 | 1.0 0.0 10.4 40.0\n\ |
---|
665 | #geocrap\n\ |
---|
666 | 56\n\ |
---|
667 | 56.6\n\ |
---|
668 | 3\n" |
---|
669 | ) |
---|
670 | file.close() |
---|
671 | try: |
---|
672 | results = Geospatial_data(fileName, delimiter=',') |
---|
673 | except IOError: |
---|
674 | pass |
---|
675 | else: |
---|
676 | msg = 'bad xya file did not raise error!' |
---|
677 | raise msg |
---|
678 | |
---|
679 | os.remove(fileName) |
---|
680 | |
---|
681 | def test_loadxy_bad5(self): |
---|
682 | """ |
---|
683 | specifying wrong delimiter |
---|
684 | """ |
---|
685 | import os |
---|
686 | |
---|
687 | fileName = tempfile.mktemp(".xya") |
---|
688 | file = open(fileName,"w") |
---|
689 | file.write(" elevation speed \n\ |
---|
690 | 1.0 0.0 10.0 0.0\n\ |
---|
691 | 0.0 1.0 0.0 10.0\n\ |
---|
692 | 1.0 0.0 10.4 40.0\n\ |
---|
693 | #geocrap\n\ |
---|
694 | crap") |
---|
695 | file.close() |
---|
696 | try: |
---|
697 | # dict = import_points_file(fileName,delimiter=' ') |
---|
698 | # results = Geospatial_data() |
---|
699 | results = Geospatial_data(fileName, delimiter=' ', verbose=True) |
---|
700 | # results.import_points_file(fileName, delimiter=' ') |
---|
701 | except IOError: |
---|
702 | pass |
---|
703 | else: |
---|
704 | msg = 'bad xya file did not raise error!' |
---|
705 | raise msg |
---|
706 | |
---|
707 | # self.failUnless(0 ==1, |
---|
708 | # 'bad xya file did not raise error!') |
---|
709 | os.remove(fileName) |
---|
710 | |
---|
711 | def test_loadxy_bad_no_file_xya(self): |
---|
712 | import os |
---|
713 | |
---|
714 | fileName = tempfile.mktemp(".xya") |
---|
715 | try: |
---|
716 | results = Geospatial_data(fileName, delimiter=' ') |
---|
717 | except IOError: |
---|
718 | pass |
---|
719 | else: |
---|
720 | msg = 'imaginary file did not raise error!' |
---|
721 | raise msg |
---|
722 | |
---|
723 | # except IOError: |
---|
724 | # pass |
---|
725 | # else: |
---|
726 | # self.failUnless(0 == 1, |
---|
727 | # 'imaginary file did not raise error!') |
---|
728 | |
---|
729 | |
---|
730 | ###################### .XYA ############################## |
---|
731 | |
---|
732 | def test_export_xya_file(self): |
---|
733 | # dict = {} |
---|
734 | att_dict = {} |
---|
735 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
736 | att_dict['elevation'] = array([10.0, 0.0, 10.4]) |
---|
737 | att_dict['brightness'] = array([10.0, 0.0, 10.4]) |
---|
738 | # dict['attributelist'] = att_dict |
---|
739 | geo_reference=Geo_reference(56,1.9,1.9) |
---|
740 | |
---|
741 | |
---|
742 | fileName = tempfile.mktemp(".xya") |
---|
743 | G = Geospatial_data(pointlist, att_dict, geo_reference) |
---|
744 | G.export_points_file(fileName, False) |
---|
745 | |
---|
746 | # dict2 = import_points_file(fileName) |
---|
747 | results = Geospatial_data(file_name = fileName) |
---|
748 | #print "fileName",fileName |
---|
749 | os.remove(fileName) |
---|
750 | |
---|
751 | assert allclose(results.get_data_points(absolute=False),[[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
752 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.0, 0.0, 10.4]) |
---|
753 | answer = [10.0, 0.0, 10.4] |
---|
754 | assert allclose(results.get_attributes(attribute_name='brightness'), answer) |
---|
755 | #print "dict2['geo_reference']",dict2['geo_reference'] |
---|
756 | self.failUnless(results.get_geo_reference() == geo_reference, |
---|
757 | 'test_writepts failed. Test geo_reference') |
---|
758 | |
---|
759 | def test_export_xya_file2(self): |
---|
760 | """test absolute xya file |
---|
761 | """ |
---|
762 | att_dict = {} |
---|
763 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
764 | att_dict['elevation'] = array([10.0, 0.0, 10.4]) |
---|
765 | att_dict['brightness'] = array([10.0, 0.0, 10.4]) |
---|
766 | |
---|
767 | fileName = tempfile.mktemp(".xya") |
---|
768 | G = Geospatial_data(pointlist, att_dict) |
---|
769 | G.export_points_file(fileName) |
---|
770 | results = Geospatial_data(file_name = fileName) |
---|
771 | # dict2 = import_points_file(fileName) |
---|
772 | os.remove(fileName) |
---|
773 | |
---|
774 | assert allclose(results.get_data_points(False),[[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
775 | assert allclose(results.get_attributes('elevation'), [10.0, 0.0, 10.4]) |
---|
776 | answer = [10.0, 0.0, 10.4] |
---|
777 | assert allclose(results.get_attributes('brightness'), answer) |
---|
778 | |
---|
779 | def test_export_xya_file3(self): |
---|
780 | """test absolute xya file with geo_ref |
---|
781 | """ |
---|
782 | att_dict = {} |
---|
783 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
784 | att_dict['elevation'] = array([10.0, 0.0, 10.4]) |
---|
785 | att_dict['brightness'] = array([10.0, 0.0, 10.4]) |
---|
786 | geo_reference=Geo_reference(56,1.9,1.9) |
---|
787 | |
---|
788 | |
---|
789 | fileName = tempfile.mktemp(".xya") |
---|
790 | G = Geospatial_data(pointlist, att_dict, geo_reference) |
---|
791 | |
---|
792 | G.export_points_file(fileName, absolute=True) |
---|
793 | |
---|
794 | results = Geospatial_data(file_name = fileName) |
---|
795 | os.remove(fileName) |
---|
796 | |
---|
797 | assert allclose(results.get_data_points(), |
---|
798 | [[2.9, 1.9],[1.9, 2.9],[2.9, 1.9]]) |
---|
799 | assert allclose(results.get_attributes(attribute_name='elevation'), |
---|
800 | [10.0, 0.0, 10.4]) |
---|
801 | answer = [10.0, 0.0, 10.4] |
---|
802 | assert allclose(results.get_attributes(attribute_name='brightness'), answer) |
---|
803 | self.failUnless(results.get_geo_reference() == geo_reference, |
---|
804 | 'test_writepts failed. Test geo_reference') |
---|
805 | |
---|
806 | |
---|
807 | |
---|
808 | def test_new_export_pts_file(self): |
---|
809 | att_dict = {} |
---|
810 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
811 | att_dict['elevation'] = array([10.1, 0.0, 10.4]) |
---|
812 | att_dict['brightness'] = array([10.0, 1.0, 10.4]) |
---|
813 | |
---|
814 | fileName = tempfile.mktemp(".pts") |
---|
815 | |
---|
816 | G = Geospatial_data(pointlist, att_dict) |
---|
817 | |
---|
818 | G.export_points_file(fileName) |
---|
819 | |
---|
820 | results = Geospatial_data(file_name = fileName) |
---|
821 | |
---|
822 | os.remove(fileName) |
---|
823 | |
---|
824 | assert allclose(results.get_data_points(),[[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
825 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.1, 0.0, 10.4]) |
---|
826 | answer = [10.0, 1.0, 10.4] |
---|
827 | assert allclose(results.get_attributes(attribute_name='brightness'), answer) |
---|
828 | |
---|
829 | def test_new_export_absolute_pts_file(self): |
---|
830 | att_dict = {} |
---|
831 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
832 | att_dict['elevation'] = array([10.1, 0.0, 10.4]) |
---|
833 | att_dict['brightness'] = array([10.0, 1.0, 10.4]) |
---|
834 | geo_ref = Geo_reference(50, 25, 55) |
---|
835 | |
---|
836 | fileName = tempfile.mktemp(".pts") |
---|
837 | |
---|
838 | G = Geospatial_data(pointlist, att_dict, geo_ref) |
---|
839 | |
---|
840 | G.export_points_file(fileName, absolute=True) |
---|
841 | |
---|
842 | results = Geospatial_data(file_name = fileName) |
---|
843 | |
---|
844 | os.remove(fileName) |
---|
845 | |
---|
846 | assert allclose(results.get_data_points(), G.get_data_points(True)) |
---|
847 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.1, 0.0, 10.4]) |
---|
848 | answer = [10.0, 1.0, 10.4] |
---|
849 | assert allclose(results.get_attributes(attribute_name='brightness'), answer) |
---|
850 | |
---|
851 | def test_loadpts(self): |
---|
852 | |
---|
853 | from Scientific.IO.NetCDF import NetCDFFile |
---|
854 | |
---|
855 | fileName = tempfile.mktemp(".pts") |
---|
856 | # NetCDF file definition |
---|
857 | outfile = NetCDFFile(fileName, 'w') |
---|
858 | |
---|
859 | # dimension definitions |
---|
860 | outfile.createDimension('number_of_points', 3) |
---|
861 | outfile.createDimension('number_of_dimensions', 2) #This is 2d data |
---|
862 | |
---|
863 | # variable definitions |
---|
864 | outfile.createVariable('points', Float, ('number_of_points', |
---|
865 | 'number_of_dimensions')) |
---|
866 | outfile.createVariable('elevation', Float, ('number_of_points',)) |
---|
867 | |
---|
868 | # Get handles to the variables |
---|
869 | points = outfile.variables['points'] |
---|
870 | elevation = outfile.variables['elevation'] |
---|
871 | |
---|
872 | points[0, :] = [1.0,0.0] |
---|
873 | elevation[0] = 10.0 |
---|
874 | points[1, :] = [0.0,1.0] |
---|
875 | elevation[1] = 0.0 |
---|
876 | points[2, :] = [1.0,0.0] |
---|
877 | elevation[2] = 10.4 |
---|
878 | |
---|
879 | outfile.close() |
---|
880 | |
---|
881 | results = Geospatial_data(file_name = fileName) |
---|
882 | os.remove(fileName) |
---|
883 | answer = [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]] |
---|
884 | assert allclose(results.get_data_points(), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
885 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.0, 0.0, 10.4]) |
---|
886 | |
---|
887 | def test_writepts(self): |
---|
888 | att_dict = {} |
---|
889 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
890 | att_dict['elevation'] = array([10.0, 0.0, 10.4]) |
---|
891 | att_dict['brightness'] = array([10.0, 0.0, 10.4]) |
---|
892 | geo_reference=Geo_reference(56,1.9,1.9) |
---|
893 | |
---|
894 | fileName = tempfile.mktemp(".pts") |
---|
895 | |
---|
896 | G = Geospatial_data(pointlist, att_dict, geo_reference) |
---|
897 | |
---|
898 | G.export_points_file(fileName, False) |
---|
899 | |
---|
900 | results = Geospatial_data(file_name = fileName) |
---|
901 | |
---|
902 | os.remove(fileName) |
---|
903 | |
---|
904 | assert allclose(results.get_data_points(False),[[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
905 | assert allclose(results.get_attributes('elevation'), [10.0, 0.0, 10.4]) |
---|
906 | answer = [10.0, 0.0, 10.4] |
---|
907 | assert allclose(results.get_attributes('brightness'), answer) |
---|
908 | |
---|
909 | |
---|
910 | self.failUnless(geo_reference == geo_reference, |
---|
911 | 'test_writepts failed. Test geo_reference') |
---|
912 | |
---|
913 | ########################## BAD .PTS ########################## |
---|
914 | |
---|
915 | def test_load_bad_no_file_pts(self): |
---|
916 | import os |
---|
917 | import tempfile |
---|
918 | |
---|
919 | fileName = tempfile.mktemp(".pts") |
---|
920 | #print fileName |
---|
921 | try: |
---|
922 | results = Geospatial_data(file_name = fileName) |
---|
923 | # dict = import_points_file(fileName) |
---|
924 | except IOError: |
---|
925 | pass |
---|
926 | else: |
---|
927 | msg = 'imaginary file did not raise error!' |
---|
928 | raise msg |
---|
929 | # self.failUnless(0 == 1, |
---|
930 | # 'imaginary file did not raise error!') |
---|
931 | |
---|
932 | |
---|
933 | def test_create_from_pts_file(self): |
---|
934 | |
---|
935 | from Scientific.IO.NetCDF import NetCDFFile |
---|
936 | |
---|
937 | # fileName = tempfile.mktemp(".pts") |
---|
938 | FN = 'test_points.pts' |
---|
939 | # NetCDF file definition |
---|
940 | outfile = NetCDFFile(FN, 'w') |
---|
941 | |
---|
942 | # dimension definitions |
---|
943 | outfile.createDimension('number_of_points', 3) |
---|
944 | outfile.createDimension('number_of_dimensions', 2) #This is 2d data |
---|
945 | |
---|
946 | # variable definitions |
---|
947 | outfile.createVariable('points', Float, ('number_of_points', |
---|
948 | 'number_of_dimensions')) |
---|
949 | outfile.createVariable('elevation', Float, ('number_of_points',)) |
---|
950 | |
---|
951 | # Get handles to the variables |
---|
952 | points = outfile.variables['points'] |
---|
953 | elevation = outfile.variables['elevation'] |
---|
954 | |
---|
955 | points[0, :] = [1.0,0.0] |
---|
956 | elevation[0] = 10.0 |
---|
957 | points[1, :] = [0.0,1.0] |
---|
958 | elevation[1] = 0.0 |
---|
959 | points[2, :] = [1.0,0.0] |
---|
960 | elevation[2] = 10.4 |
---|
961 | |
---|
962 | outfile.close() |
---|
963 | |
---|
964 | G = Geospatial_data(file_name = FN) |
---|
965 | |
---|
966 | assert allclose(G.get_geo_reference().get_xllcorner(), 0.0) |
---|
967 | assert allclose(G.get_geo_reference().get_yllcorner(), 0.0) |
---|
968 | |
---|
969 | assert allclose(G.get_data_points(), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
970 | assert allclose(G.get_attributes(), [10.0, 0.0, 10.4]) |
---|
971 | os.remove(FN) |
---|
972 | |
---|
973 | def test_create_from_pts_file_with_geo(self): |
---|
974 | """This test reveals if Geospatial data is correctly instantiated from a pts file. |
---|
975 | """ |
---|
976 | |
---|
977 | from Scientific.IO.NetCDF import NetCDFFile |
---|
978 | |
---|
979 | FN = 'test_points.pts' |
---|
980 | # NetCDF file definition |
---|
981 | outfile = NetCDFFile(FN, 'w') |
---|
982 | |
---|
983 | # Make up an arbitrary georef |
---|
984 | xll = 0.1 |
---|
985 | yll = 20 |
---|
986 | geo_reference=Geo_reference(56, xll, yll) |
---|
987 | geo_reference.write_NetCDF(outfile) |
---|
988 | |
---|
989 | # dimension definitions |
---|
990 | outfile.createDimension('number_of_points', 3) |
---|
991 | outfile.createDimension('number_of_dimensions', 2) #This is 2d data |
---|
992 | |
---|
993 | # variable definitions |
---|
994 | outfile.createVariable('points', Float, ('number_of_points', |
---|
995 | 'number_of_dimensions')) |
---|
996 | outfile.createVariable('elevation', Float, ('number_of_points',)) |
---|
997 | |
---|
998 | # Get handles to the variables |
---|
999 | points = outfile.variables['points'] |
---|
1000 | elevation = outfile.variables['elevation'] |
---|
1001 | |
---|
1002 | points[0, :] = [1.0,0.0] |
---|
1003 | elevation[0] = 10.0 |
---|
1004 | points[1, :] = [0.0,1.0] |
---|
1005 | elevation[1] = 0.0 |
---|
1006 | points[2, :] = [1.0,0.0] |
---|
1007 | elevation[2] = 10.4 |
---|
1008 | |
---|
1009 | outfile.close() |
---|
1010 | |
---|
1011 | G = Geospatial_data(file_name = FN) |
---|
1012 | |
---|
1013 | assert allclose(G.get_geo_reference().get_xllcorner(), xll) |
---|
1014 | assert allclose(G.get_geo_reference().get_yllcorner(), yll) |
---|
1015 | |
---|
1016 | assert allclose(G.get_data_points(), [[1.0+xll, 0.0+yll], |
---|
1017 | [0.0+xll, 1.0+yll], |
---|
1018 | [1.0+xll, 0.0+yll]]) |
---|
1019 | |
---|
1020 | assert allclose(G.get_attributes(), [10.0, 0.0, 10.4]) |
---|
1021 | os.remove(FN) |
---|
1022 | |
---|
1023 | |
---|
1024 | def test_add_(self): |
---|
1025 | '''adds an xya and pts files, reads the files and adds them |
---|
1026 | checking results are correct |
---|
1027 | ''' |
---|
1028 | |
---|
1029 | # create files |
---|
1030 | att_dict1 = {} |
---|
1031 | pointlist1 = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
1032 | att_dict1['elevation'] = array([-10.0, 0.0, 10.4]) |
---|
1033 | att_dict1['brightness'] = array([10.0, 0.0, 10.4]) |
---|
1034 | geo_reference1 = Geo_reference(56, 2.0, 1.0) |
---|
1035 | |
---|
1036 | att_dict2 = {} |
---|
1037 | pointlist2 = array([[2.0, 1.0],[1.0, 2.0],[2.0, 1.0]]) |
---|
1038 | att_dict2['elevation'] = array([1.0, 15.0, 1.4]) |
---|
1039 | att_dict2['brightness'] = array([14.0, 1.0, -12.4]) |
---|
1040 | geo_reference2 = Geo_reference(56, 1.0, 2.0) |
---|
1041 | |
---|
1042 | G1 = Geospatial_data(pointlist1, att_dict1, geo_reference1) |
---|
1043 | G2 = Geospatial_data(pointlist2, att_dict2, geo_reference2) |
---|
1044 | |
---|
1045 | fileName1 = tempfile.mktemp(".xya") |
---|
1046 | fileName2 = tempfile.mktemp(".pts") |
---|
1047 | |
---|
1048 | #makes files |
---|
1049 | G1.export_points_file(fileName1) |
---|
1050 | G2.export_points_file(fileName2) |
---|
1051 | |
---|
1052 | # add files |
---|
1053 | |
---|
1054 | G3 = Geospatial_data(file_name = fileName1) |
---|
1055 | G4 = Geospatial_data(file_name = fileName2) |
---|
1056 | |
---|
1057 | G = G3 + G4 |
---|
1058 | |
---|
1059 | |
---|
1060 | #read results |
---|
1061 | # print'res', G.get_data_points() |
---|
1062 | # print'res1', G.get_data_points(False) |
---|
1063 | assert allclose(G.get_data_points(), |
---|
1064 | [[ 3.0, 1.0], [ 2.0, 2.0], |
---|
1065 | [ 3.0, 1.0], [ 3.0, 3.0], |
---|
1066 | [ 2.0, 4.0], [ 3.0, 3.0]]) |
---|
1067 | |
---|
1068 | assert allclose(G.get_attributes(attribute_name='elevation'), |
---|
1069 | [-10.0, 0.0, 10.4, 1.0, 15.0, 1.4]) |
---|
1070 | |
---|
1071 | answer = [10.0, 0.0, 10.4, 14.0, 1.0, -12.4] |
---|
1072 | assert allclose(G.get_attributes(attribute_name='brightness'), answer) |
---|
1073 | |
---|
1074 | self.failUnless(G.get_geo_reference() == geo_reference1, |
---|
1075 | 'test_writepts failed. Test geo_reference') |
---|
1076 | |
---|
1077 | os.remove(fileName1) |
---|
1078 | os.remove(fileName2) |
---|
1079 | |
---|
1080 | def test_ensure_absolute(self): |
---|
1081 | points = [[2.0, 0.0],[1.0, 1.0], |
---|
1082 | [2.0, 0.0],[2.0, 2.0], |
---|
1083 | [1.0, 3.0],[2.0, 2.0]] |
---|
1084 | new_points = ensure_absolute(points) |
---|
1085 | |
---|
1086 | assert allclose(new_points, points) |
---|
1087 | |
---|
1088 | points = array([[2.0, 0.0],[1.0, 1.0], |
---|
1089 | [2.0, 0.0],[2.0, 2.0], |
---|
1090 | [1.0, 3.0],[2.0, 2.0]]) |
---|
1091 | new_points = ensure_absolute(points) |
---|
1092 | |
---|
1093 | assert allclose(new_points, points) |
---|
1094 | |
---|
1095 | ab_points = array([[2.0, 0.0],[1.0, 1.0], |
---|
1096 | [2.0, 0.0],[2.0, 2.0], |
---|
1097 | [1.0, 3.0],[2.0, 2.0]]) |
---|
1098 | |
---|
1099 | mesh_origin = (56, 290000, 618000) #zone, easting, northing |
---|
1100 | |
---|
1101 | data_points = zeros((ab_points.shape), Float) |
---|
1102 | #Shift datapoints according to new origins |
---|
1103 | for k in range(len(ab_points)): |
---|
1104 | data_points[k][0] = ab_points[k][0] - mesh_origin[1] |
---|
1105 | data_points[k][1] = ab_points[k][1] - mesh_origin[2] |
---|
1106 | #print "data_points",data_points |
---|
1107 | new_points = ensure_absolute(data_points, |
---|
1108 | geo_reference=mesh_origin) |
---|
1109 | #print "new_points",new_points |
---|
1110 | #print "ab_points",ab_points |
---|
1111 | |
---|
1112 | assert allclose(new_points, ab_points) |
---|
1113 | |
---|
1114 | geo = Geo_reference(56,67,-56) |
---|
1115 | |
---|
1116 | data_points = geo.change_points_geo_ref(ab_points) |
---|
1117 | new_points = ensure_absolute(data_points, |
---|
1118 | geo_reference=geo) |
---|
1119 | #print "new_points",new_points |
---|
1120 | #print "ab_points",ab_points |
---|
1121 | |
---|
1122 | assert allclose(new_points, ab_points) |
---|
1123 | |
---|
1124 | |
---|
1125 | geo_reference = Geo_reference(56, 100, 200) |
---|
1126 | ab_points = [[1.0, 2.1], [3.0, 5.3]] |
---|
1127 | points = geo_reference.change_points_geo_ref(ab_points) |
---|
1128 | attributes = [2, 4] |
---|
1129 | #print "geo in points", points |
---|
1130 | G = Geospatial_data(points, attributes, |
---|
1131 | geo_reference=geo_reference) |
---|
1132 | |
---|
1133 | new_points = ensure_absolute(G) |
---|
1134 | #print "new_points",new_points |
---|
1135 | #print "ab_points",ab_points |
---|
1136 | |
---|
1137 | assert allclose(new_points, ab_points) |
---|
1138 | |
---|
1139 | |
---|
1140 | fileName = tempfile.mktemp(".xya") |
---|
1141 | file = open(fileName,"w") |
---|
1142 | file.write(" elevation speed \n\ |
---|
1143 | 1.0 0.0 10.0 0.0\n\ |
---|
1144 | 0.0 1.0 0.0 10.0\n\ |
---|
1145 | 1.0 0.0 10.4 40.0\n\ |
---|
1146 | #geocrap\n\ |
---|
1147 | 56\n\ |
---|
1148 | 10\n\ |
---|
1149 | 20\n") |
---|
1150 | file.close() |
---|
1151 | |
---|
1152 | ab_points = ensure_absolute(fileName) |
---|
1153 | actual = [[11, 20.0],[10.0, 21.0],[11.0, 20.0]] |
---|
1154 | assert allclose(ab_points, actual) |
---|
1155 | os.remove(fileName) |
---|
1156 | |
---|
1157 | |
---|
1158 | def test_ensure_geospatial(self): |
---|
1159 | points = [[2.0, 0.0],[1.0, 1.0], |
---|
1160 | [2.0, 0.0],[2.0, 2.0], |
---|
1161 | [1.0, 3.0],[2.0, 2.0]] |
---|
1162 | new_points = ensure_geospatial(points) |
---|
1163 | |
---|
1164 | assert allclose(new_points.get_data_points(absolute = True), points) |
---|
1165 | |
---|
1166 | points = array([[2.0, 0.0],[1.0, 1.0], |
---|
1167 | [2.0, 0.0],[2.0, 2.0], |
---|
1168 | [1.0, 3.0],[2.0, 2.0]]) |
---|
1169 | new_points = ensure_geospatial(points) |
---|
1170 | |
---|
1171 | assert allclose(new_points.get_data_points(absolute = True), points) |
---|
1172 | |
---|
1173 | ab_points = array([[2.0, 0.0],[1.0, 1.0], |
---|
1174 | [2.0, 0.0],[2.0, 2.0], |
---|
1175 | [1.0, 3.0],[2.0, 2.0]]) |
---|
1176 | |
---|
1177 | mesh_origin = (56, 290000, 618000) #zone, easting, northing |
---|
1178 | |
---|
1179 | data_points = zeros((ab_points.shape), Float) |
---|
1180 | #Shift datapoints according to new origins |
---|
1181 | for k in range(len(ab_points)): |
---|
1182 | data_points[k][0] = ab_points[k][0] - mesh_origin[1] |
---|
1183 | data_points[k][1] = ab_points[k][1] - mesh_origin[2] |
---|
1184 | #print "data_points",data_points |
---|
1185 | new_geospatial = ensure_geospatial(data_points, |
---|
1186 | geo_reference=mesh_origin) |
---|
1187 | new_points = new_geospatial.get_data_points(absolute=True) |
---|
1188 | #print "new_points",new_points |
---|
1189 | #print "ab_points",ab_points |
---|
1190 | |
---|
1191 | assert allclose(new_points, ab_points) |
---|
1192 | |
---|
1193 | geo = Geo_reference(56,67,-56) |
---|
1194 | |
---|
1195 | data_points = geo.change_points_geo_ref(ab_points) |
---|
1196 | new_geospatial = ensure_geospatial(data_points, |
---|
1197 | geo_reference=geo) |
---|
1198 | new_points = new_geospatial.get_data_points(absolute=True) |
---|
1199 | #print "new_points",new_points |
---|
1200 | #print "ab_points",ab_points |
---|
1201 | |
---|
1202 | assert allclose(new_points, ab_points) |
---|
1203 | |
---|
1204 | |
---|
1205 | geo_reference = Geo_reference(56, 100, 200) |
---|
1206 | ab_points = [[1.0, 2.1], [3.0, 5.3]] |
---|
1207 | points = geo_reference.change_points_geo_ref(ab_points) |
---|
1208 | attributes = [2, 4] |
---|
1209 | #print "geo in points", points |
---|
1210 | G = Geospatial_data(points, attributes, |
---|
1211 | geo_reference=geo_reference) |
---|
1212 | |
---|
1213 | new_geospatial = ensure_geospatial(G) |
---|
1214 | new_points = new_geospatial.get_data_points(absolute=True) |
---|
1215 | #print "new_points",new_points |
---|
1216 | #print "ab_points",ab_points |
---|
1217 | |
---|
1218 | assert allclose(new_points, ab_points) |
---|
1219 | |
---|
1220 | def test_isinstance(self): |
---|
1221 | |
---|
1222 | import os |
---|
1223 | |
---|
1224 | fileName = tempfile.mktemp(".xya") |
---|
1225 | file = open(fileName,"w") |
---|
1226 | file.write(" elevation speed \n\ |
---|
1227 | 1.0 0.0 10.0 0.0\n\ |
---|
1228 | 0.0 1.0 0.0 10.0\n\ |
---|
1229 | 1.0 0.0 10.4 40.0\n\ |
---|
1230 | #geocrap\n\ |
---|
1231 | 56\n\ |
---|
1232 | 56.6\n\ |
---|
1233 | 3\n") |
---|
1234 | file.close() |
---|
1235 | |
---|
1236 | results = Geospatial_data(fileName) |
---|
1237 | assert allclose(results.get_data_points(absolute=False), \ |
---|
1238 | [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
1239 | assert allclose(results.get_attributes(attribute_name='elevation'), \ |
---|
1240 | [10.0, 0.0, 10.4]) |
---|
1241 | assert allclose(results.get_attributes(attribute_name='speed'), \ |
---|
1242 | [0.0, 10.0, 40.0]) |
---|
1243 | |
---|
1244 | os.remove(fileName) |
---|
1245 | |
---|
1246 | def test_delimiter(self): |
---|
1247 | |
---|
1248 | try: |
---|
1249 | G = Geospatial_data(delimiter=',') |
---|
1250 | # results = Geospatial_data(file_name = fileName) |
---|
1251 | # dict = import_points_file(fileName) |
---|
1252 | except ValueError: |
---|
1253 | pass |
---|
1254 | else: |
---|
1255 | msg = 'Instance with No fileName but has a delimiter\ |
---|
1256 | did not raise error!' |
---|
1257 | raise msg |
---|
1258 | |
---|
1259 | def test_no_constructors(self): |
---|
1260 | |
---|
1261 | try: |
---|
1262 | G = Geospatial_data() |
---|
1263 | # results = Geospatial_data(file_name = fileName) |
---|
1264 | # dict = import_points_file(fileName) |
---|
1265 | except ValueError: |
---|
1266 | pass |
---|
1267 | else: |
---|
1268 | msg = 'Instance must have a filename or data points' |
---|
1269 | raise msg |
---|
1270 | |
---|
1271 | def test_check_geo_reference(self): |
---|
1272 | """ |
---|
1273 | checks geo reference details are OK. eg can be called '#geo reference' |
---|
1274 | if not throws a clear error message |
---|
1275 | """ |
---|
1276 | import os |
---|
1277 | fileName = tempfile.mktemp(".xya") |
---|
1278 | file = open(fileName,"w") |
---|
1279 | file.write(" elevation \n\ |
---|
1280 | 1.0 0.0 10.0\n\ |
---|
1281 | 0.0 1.0 0.0\n\ |
---|
1282 | 1.0 0.0 10.4\n\ |
---|
1283 | #ge oreference\n\ |
---|
1284 | 56\n\ |
---|
1285 | 1.1\n\ |
---|
1286 | 1.0\n") |
---|
1287 | |
---|
1288 | file.close() |
---|
1289 | results = Geospatial_data(fileName) |
---|
1290 | assert allclose(results.get_geo_reference().get_xllcorner(), 1.1) |
---|
1291 | assert allclose(results.get_geo_reference().get_yllcorner(), 1.0) |
---|
1292 | |
---|
1293 | os.remove(fileName) |
---|
1294 | |
---|
1295 | fileName = tempfile.mktemp(".xya") |
---|
1296 | file = open(fileName,"w") |
---|
1297 | file.write(" elevation \n\ |
---|
1298 | 1.0 0.0 10.0\n\ |
---|
1299 | 0.0 1.0 0.0\n\ |
---|
1300 | 1.0 0.0 10.4\n") |
---|
1301 | |
---|
1302 | file.close() |
---|
1303 | results = Geospatial_data(fileName) |
---|
1304 | |
---|
1305 | os.remove(fileName) |
---|
1306 | |
---|
1307 | def test_check_geo_reference1(self): |
---|
1308 | """ |
---|
1309 | checks geo reference details are OK. eg can be called '#geo reference' |
---|
1310 | if not throws a clear error message |
---|
1311 | """ |
---|
1312 | import os |
---|
1313 | fileName = tempfile.mktemp(".xya") |
---|
1314 | file = open(fileName,"w") |
---|
1315 | file.write(" elevation \n\ |
---|
1316 | 1.0 0.0 10.0\n\ |
---|
1317 | 0.0 1.0 0.0\n\ |
---|
1318 | 1.0 0.0 10.4\n\ |
---|
1319 | #geo t t\n\ |
---|
1320 | 56\n\ |
---|
1321 | 1.1\n" |
---|
1322 | ) |
---|
1323 | file.close() |
---|
1324 | |
---|
1325 | try: |
---|
1326 | results = Geospatial_data(fileName, delimiter = " ") |
---|
1327 | except IOError: |
---|
1328 | pass |
---|
1329 | else: |
---|
1330 | msg = 'Geo reference data format is incorrect' |
---|
1331 | raise msg |
---|
1332 | |
---|
1333 | |
---|
1334 | os.remove(fileName) |
---|
1335 | |
---|
1336 | |
---|
1337 | |
---|
1338 | def test_lat_long(self): |
---|
1339 | lat_gong = degminsec2decimal_degrees(-34,30,0.) |
---|
1340 | lon_gong = degminsec2decimal_degrees(150,55,0.) |
---|
1341 | |
---|
1342 | lat_2 = degminsec2decimal_degrees(-34,00,0.) |
---|
1343 | lon_2 = degminsec2decimal_degrees(150,00,0.) |
---|
1344 | |
---|
1345 | lats = [lat_gong, lat_2] |
---|
1346 | longs = [lon_gong, lon_2] |
---|
1347 | gsd = Geospatial_data(latitudes=lats, longitudes=longs) |
---|
1348 | |
---|
1349 | points = gsd.get_data_points(absolute=True) |
---|
1350 | |
---|
1351 | assert allclose(points[0][0], 308728.009) |
---|
1352 | assert allclose(points[0][1], 6180432.601) |
---|
1353 | assert allclose(points[1][0], 222908.705) |
---|
1354 | assert allclose(points[1][1], 6233785.284) |
---|
1355 | self.failUnless(gsd.get_geo_reference().get_zone() == 56, |
---|
1356 | 'Bad zone error!') |
---|
1357 | |
---|
1358 | try: |
---|
1359 | results = Geospatial_data(latitudes=lats) |
---|
1360 | except ValueError: |
---|
1361 | pass |
---|
1362 | else: |
---|
1363 | self.failUnless(0 ==1, 'Error not thrown error!') |
---|
1364 | try: |
---|
1365 | results = Geospatial_data(latitudes=lats) |
---|
1366 | except ValueError: |
---|
1367 | pass |
---|
1368 | else: |
---|
1369 | self.failUnless(0 ==1, 'Error not thrown error!') |
---|
1370 | try: |
---|
1371 | results = Geospatial_data(longitudes=lats) |
---|
1372 | except ValueError: |
---|
1373 | pass |
---|
1374 | else: |
---|
1375 | self.failUnless(0 ==1, 'Error not thrown error!') |
---|
1376 | try: |
---|
1377 | results = Geospatial_data(latitudes=lats, longitudes=longs, |
---|
1378 | geo_reference="p") |
---|
1379 | except ValueError: |
---|
1380 | pass |
---|
1381 | else: |
---|
1382 | self.failUnless(0 ==1, 'Error not thrown error!') |
---|
1383 | |
---|
1384 | try: |
---|
1385 | results = Geospatial_data(latitudes=lats, longitudes=longs, |
---|
1386 | data_points=12) |
---|
1387 | except ValueError: |
---|
1388 | pass |
---|
1389 | else: |
---|
1390 | self.failUnless(0 ==1, 'Error not thrown error!') |
---|
1391 | |
---|
1392 | def test_lat_long2(self): |
---|
1393 | lat_gong = degminsec2decimal_degrees(-34,30,0.) |
---|
1394 | lon_gong = degminsec2decimal_degrees(150,55,0.) |
---|
1395 | |
---|
1396 | lat_2 = degminsec2decimal_degrees(-34,00,0.) |
---|
1397 | lon_2 = degminsec2decimal_degrees(150,00,0.) |
---|
1398 | |
---|
1399 | points = [[lat_gong, lon_gong], [lat_2, lon_2]] |
---|
1400 | gsd = Geospatial_data(data_points=points, points_are_lats_longs=True) |
---|
1401 | |
---|
1402 | points = gsd.get_data_points(absolute=True) |
---|
1403 | |
---|
1404 | assert allclose(points[0][0], 308728.009) |
---|
1405 | assert allclose(points[0][1], 6180432.601) |
---|
1406 | assert allclose(points[1][0], 222908.705) |
---|
1407 | assert allclose(points[1][1], 6233785.284) |
---|
1408 | self.failUnless(gsd.get_geo_reference().get_zone() == 56, |
---|
1409 | 'Bad zone error!') |
---|
1410 | |
---|
1411 | try: |
---|
1412 | results = Geospatial_data(points_are_lats_longs=True) |
---|
1413 | except ValueError: |
---|
1414 | pass |
---|
1415 | else: |
---|
1416 | self.failUnless(0 ==1, 'Error not thrown error!') |
---|
1417 | |
---|
1418 | def test_len(self): |
---|
1419 | |
---|
1420 | points = [[1.0, 2.1], [3.0, 5.3]] |
---|
1421 | G = Geospatial_data(points) |
---|
1422 | self.failUnless(2 ==len(G), 'Len error!') |
---|
1423 | |
---|
1424 | points = [[1.0, 2.1]] |
---|
1425 | G = Geospatial_data(points) |
---|
1426 | self.failUnless(1 ==len(G), 'Len error!') |
---|
1427 | |
---|
1428 | points = [[1.0, 2.1], [3.0, 5.3], [3.0, 5.3], [3.0, 5.3]] |
---|
1429 | G = Geospatial_data(points) |
---|
1430 | self.failUnless(4 ==len(G), 'Len error!') |
---|
1431 | |
---|
1432 | if __name__ == "__main__": |
---|
1433 | |
---|
1434 | #suite = unittest.makeSuite(Test_Geospatial_data, 'test_ensure_geospatial') |
---|
1435 | suite = unittest.makeSuite(Test_Geospatial_data, 'test') |
---|
1436 | runner = unittest.TextTestRunner() |
---|
1437 | runner.run(suite) |
---|
1438 | |
---|
1439 | |
---|