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 geospatial_data import * |
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11 | |
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12 | from coordinate_transforms.geo_reference import Geo_reference, TitleError |
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13 | |
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14 | class Test_Geospatial_data(unittest.TestCase): |
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15 | def setUp(self): |
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16 | pass |
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17 | |
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18 | def tearDown(self): |
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19 | pass |
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20 | |
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21 | |
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22 | def test_0(self): |
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23 | """Basic points |
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24 | """ |
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25 | from coordinate_transforms.geo_reference import Geo_reference |
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26 | |
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27 | points = [[1.0, 2.1], [3.0, 5.3]] |
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28 | G = Geospatial_data(points) |
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29 | |
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30 | assert allclose(G.data_points, [[1.0, 2.1], [3.0, 5.3]]) |
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31 | |
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32 | #Check defaults |
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33 | assert G.attributes is None |
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34 | |
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35 | assert G.geo_reference.zone == Geo_reference().zone |
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36 | assert G.geo_reference.xllcorner == Geo_reference().xllcorner |
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37 | assert G.geo_reference.yllcorner == Geo_reference().yllcorner |
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38 | |
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39 | |
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40 | def test_1(self): |
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41 | points = [[1.0, 2.1], [3.0, 5.3]] |
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42 | attributes = [2, 4] |
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43 | G = Geospatial_data(points, attributes) |
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44 | |
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45 | assert G.attributes.keys()[0] == 'attribute' |
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46 | assert allclose(G.attributes.values()[0], [2, 4]) |
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47 | |
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48 | |
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49 | def test_2(self): |
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50 | from coordinate_transforms.geo_reference import Geo_reference |
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51 | points = [[1.0, 2.1], [3.0, 5.3]] |
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52 | attributes = [2, 4] |
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53 | G = Geospatial_data(points, attributes, |
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54 | geo_reference=Geo_reference(56, 100, 200)) |
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55 | |
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56 | assert G.geo_reference.zone == 56 |
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57 | assert G.geo_reference.xllcorner == 100 |
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58 | assert G.geo_reference.yllcorner == 200 |
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59 | |
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60 | |
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61 | def test_get_attributes_1(self): |
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62 | from coordinate_transforms.geo_reference import Geo_reference |
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63 | points = [[1.0, 2.1], [3.0, 5.3]] |
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64 | attributes = [2, 4] |
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65 | G = Geospatial_data(points, attributes, |
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66 | geo_reference=Geo_reference(56, 100, 200)) |
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67 | |
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68 | |
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69 | P = G.get_data_points(absolute=False) |
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70 | assert allclose(P, [[1.0, 2.1], [3.0, 5.3]]) |
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71 | |
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72 | P = G.get_data_points(absolute=True) |
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73 | assert allclose(P, [[101.0, 202.1], [103.0, 205.3]]) |
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74 | |
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75 | V = G.get_attributes() #Simply get them |
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76 | assert allclose(V, [2, 4]) |
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77 | |
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78 | V = G.get_attributes('attribute') #Get by name |
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79 | assert allclose(V, [2, 4]) |
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80 | |
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81 | def test_get_attributes_2(self): |
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82 | """Multiple attributes |
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83 | """ |
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84 | |
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85 | from coordinate_transforms.geo_reference import Geo_reference |
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86 | points = [[1.0, 2.1], [3.0, 5.3]] |
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87 | attributes = {'a0': [0, 0], 'a1': [2, 4], 'a2': [79.4, -7]} |
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88 | G = Geospatial_data(points, attributes, |
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89 | geo_reference=Geo_reference(56, 100, 200), |
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90 | default_attribute_name='a1') |
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91 | |
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92 | |
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93 | P = G.get_data_points(absolute=False) |
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94 | assert allclose(P, [[1.0, 2.1], [3.0, 5.3]]) |
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95 | |
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96 | V = G.get_attributes() #Get default attribute |
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97 | assert allclose(V, [2, 4]) |
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98 | |
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99 | V = G.get_attributes('a0') #Get by name |
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100 | assert allclose(V, [0, 0]) |
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101 | |
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102 | V = G.get_attributes('a1') #Get by name |
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103 | assert allclose(V, [2, 4]) |
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104 | |
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105 | V = G.get_attributes('a2') #Get by name |
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106 | assert allclose(V, [79.4, -7]) |
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107 | |
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108 | try: |
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109 | V = G.get_attributes('hdnoatedu') #Invalid |
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110 | except AssertionError: |
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111 | pass |
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112 | else: |
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113 | raise 'Should have raised exception' |
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114 | |
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115 | |
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116 | def test_conversions_to_points_dict(self): |
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117 | """test conversions to points_dict |
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118 | """ |
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119 | |
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120 | from coordinate_transforms.geo_reference import Geo_reference |
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121 | points = [[1.0, 2.1], [3.0, 5.3]] |
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122 | attributes = {'a0': [0, 0], 'a1': [2, 4], 'a2': [79.4, -7]} |
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123 | G = Geospatial_data(points, attributes, |
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124 | geo_reference=Geo_reference(56, 100, 200), |
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125 | default_attribute_name='a1') |
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126 | |
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127 | |
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128 | points_dict = geospatial_data2points_dictionary(G) |
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129 | |
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130 | assert points_dict.has_key('pointlist') |
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131 | assert points_dict.has_key('attributelist') |
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132 | assert points_dict.has_key('geo_reference') |
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133 | |
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134 | assert allclose( points_dict['pointlist'], points ) |
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135 | |
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136 | A = points_dict['attributelist'] |
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137 | assert A.has_key('a0') |
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138 | assert A.has_key('a1') |
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139 | assert A.has_key('a2') |
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140 | |
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141 | assert allclose( A['a0'], [0, 0] ) |
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142 | assert allclose( A['a1'], [2, 4] ) |
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143 | assert allclose( A['a2'], [79.4, -7] ) |
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144 | |
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145 | |
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146 | geo = points_dict['geo_reference'] |
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147 | assert geo is G.geo_reference |
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148 | |
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149 | |
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150 | def test_conversions_from_points_dict(self): |
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151 | """test conversions from points_dict |
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152 | """ |
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153 | |
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154 | from coordinate_transforms.geo_reference import Geo_reference |
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155 | |
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156 | points = [[1.0, 2.1], [3.0, 5.3]] |
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157 | attributes = {'a0': [0, 0], 'a1': [2, 4], 'a2': [79.4, -7]} |
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158 | |
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159 | points_dict = {} |
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160 | points_dict['pointlist'] = points |
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161 | points_dict['attributelist'] = attributes |
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162 | points_dict['geo_reference'] = Geo_reference(56, 100, 200) |
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163 | |
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164 | |
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165 | G = points_dictionary2geospatial_data(points_dict) |
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166 | |
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167 | P = G.get_data_points(absolute=False) |
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168 | assert allclose(P, [[1.0, 2.1], [3.0, 5.3]]) |
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169 | |
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170 | #V = G.get_attribute_values() #Get default attribute |
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171 | #assert allclose(V, [2, 4]) |
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172 | |
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173 | V = G.get_attributes('a0') #Get by name |
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174 | assert allclose(V, [0, 0]) |
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175 | |
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176 | V = G.get_attributes('a1') #Get by name |
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177 | assert allclose(V, [2, 4]) |
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178 | |
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179 | V = G.get_attributes('a2') #Get by name |
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180 | assert allclose(V, [79.4, -7]) |
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181 | |
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182 | def test_add(self): |
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183 | """ test the addition of two geospatical objects |
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184 | no geo_reference see next test |
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185 | """ |
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186 | points = [[1.0, 2.1], [3.0, 5.3]] |
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187 | attributes = {'depth':[2, 4], 'elevation':[6.1, 5]} |
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188 | attributes1 = {'depth':[2, 4], 'elevation':[2.5, 1]} |
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189 | G1 = Geospatial_data(points, attributes) |
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190 | G2 = Geospatial_data(points, attributes1) |
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191 | |
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192 | # g3 = geospatial_data2points_dictionary(G1) |
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193 | # print 'g3=', g3 |
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194 | |
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195 | G = G1 + G2 |
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196 | |
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197 | assert G.attributes.has_key('depth') |
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198 | assert G.attributes.has_key('elevation') |
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199 | assert allclose(G.attributes['depth'], [2, 4, 2, 4]) |
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200 | assert allclose(G.attributes['elevation'], [6.1, 5, 2.5, 1]) |
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201 | assert allclose(G.get_data_points(), [[1.0, 2.1], [3.0, 5.3], |
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202 | [1.0, 2.1], [3.0, 5.3]]) |
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203 | |
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204 | def test_add_with_geo (self): |
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205 | """ |
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206 | Difference in Geo_reference resolved |
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207 | """ |
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208 | points1 = [[1.0, 2.1], [3.0, 5.3]] |
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209 | points2 = [[5.0, 6.1], [6.0, 3.3]] |
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210 | attributes1 = [2, 4] |
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211 | attributes2 = [5, 76] |
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212 | geo_ref1= Geo_reference(55, 1.0, 2.0) |
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213 | geo_ref2 = Geo_reference(zone=55, |
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214 | xllcorner=0.1, |
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215 | yllcorner=3.0, |
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216 | datum='wgs84', |
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217 | projection='UTM', |
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218 | units='m') |
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219 | |
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220 | G1 = Geospatial_data(points1, attributes1, geo_ref1) |
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221 | G2 = Geospatial_data(points2, attributes2, geo_ref2) |
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222 | |
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223 | #Check that absolute values are as expected |
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224 | P1 = G1.get_data_points(absolute=True) |
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225 | assert allclose(P1, [[2.0, 4.1], [4.0, 7.3]]) |
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226 | |
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227 | P2 = G2.get_data_points(absolute=True) |
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228 | assert allclose(P2, [[5.1, 9.1], [6.1, 6.3]]) |
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229 | |
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230 | G = G1 + G2 |
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231 | |
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232 | assert allclose(G.get_geo_reference().get_xllcorner(), 0.1) |
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233 | assert allclose(G.get_geo_reference().get_yllcorner(), 2.0) |
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234 | |
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235 | P = G.get_data_points(absolute=True) |
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236 | |
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237 | P_relative = G.get_data_points(absolute=False) |
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238 | |
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239 | assert allclose(P_relative, P - [0.1, 2.0]) |
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240 | |
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241 | assert allclose(P, concatenate( (P1,P2) )) |
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242 | assert allclose(P, [[2.0, 4.1], [4.0, 7.3], |
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243 | [5.1, 9.1], [6.1, 6.3]]) |
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244 | |
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245 | |
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246 | |
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247 | |
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248 | |
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249 | def test_add_with_geo_absolute (self): |
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250 | """ |
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251 | Difference in Geo_reference resolved |
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252 | """ |
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253 | points1 = array([[2.0, 4.1], [4.0, 7.3]]) |
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254 | points2 = array([[5.1, 9.1], [6.1, 6.3]]) |
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255 | attributes1 = [2, 4] |
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256 | attributes2 = [5, 76] |
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257 | geo_ref1= Geo_reference(55, 1.0, 2.0) |
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258 | geo_ref2 = Geo_reference(55, 2.0, 3.0) |
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259 | |
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260 | |
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261 | |
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262 | G1 = Geospatial_data(points1 - [geo_ref1.get_xllcorner(), geo_ref1.get_yllcorner()], |
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263 | attributes1, geo_ref1) |
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264 | |
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265 | G2 = Geospatial_data(points2 - [geo_ref2.get_xllcorner(), geo_ref2.get_yllcorner()], |
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266 | attributes2, geo_ref2) |
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267 | |
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268 | #Check that absolute values are as expected |
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269 | P1 = G1.get_data_points(absolute=True) |
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270 | assert allclose(P1, points1) |
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271 | |
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272 | P1 = G1.get_data_points(absolute=False) |
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273 | assert allclose(P1, points1 - [geo_ref1.get_xllcorner(), geo_ref1.get_yllcorner()]) |
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274 | |
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275 | P2 = G2.get_data_points(absolute=True) |
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276 | assert allclose(P2, points2) |
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277 | |
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278 | P2 = G2.get_data_points(absolute=False) |
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279 | assert allclose(P2, points2 - [geo_ref2.get_xllcorner(), geo_ref2.get_yllcorner()]) |
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280 | |
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281 | G = G1 + G2 |
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282 | |
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283 | assert allclose(G.get_geo_reference().get_xllcorner(), 1.0) |
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284 | assert allclose(G.get_geo_reference().get_yllcorner(), 2.0) |
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285 | |
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286 | P = G.get_data_points(absolute=True) |
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287 | |
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288 | P_relative = G.get_data_points(absolute=False) |
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289 | |
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290 | assert allclose(P_relative, [[1.0, 2.1], [3.0, 5.3], [4.1, 7.1], [5.1, 4.3]]) |
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291 | |
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292 | assert allclose(P, concatenate( (points1,points2) )) |
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293 | |
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294 | |
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295 | |
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296 | |
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297 | def test_create_from_xya_file(self): |
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298 | """Check that object can be created from a points file (.pts and .xya) |
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299 | """ |
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300 | |
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301 | points = [[1.0, 2.1], [3.0, 5.3], [5.0, 6.1], [6.0, 3.3]] |
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302 | attributes = [2, 4, 5, 76] |
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303 | ''' |
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304 | # Use old pointsdict format |
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305 | pointsdict = {'pointlist': points, |
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306 | 'attributelist': {'att1': attributes, |
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307 | 'att2': array(attributes) + 1}} |
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308 | ''' |
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309 | att_dict = {'att1': attributes, |
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310 | 'att2': array(attributes) +1} |
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311 | |
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312 | # Create points as an xya file |
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313 | FN = 'test_points.xya' |
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314 | G1 = Geospatial_data(points, att_dict) |
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315 | G1.export_points_file(FN) |
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316 | # G1.export_points_file(ofile) |
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317 | |
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318 | #Create object from file |
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319 | G = Geospatial_data(file_name = FN) |
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320 | |
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321 | assert allclose(G.get_data_points(), points) |
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322 | assert allclose(G.get_attributes('att1'), attributes) |
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323 | assert allclose(G.get_attributes('att2'), array(attributes) + 1) |
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324 | |
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325 | os.remove(FN) |
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326 | |
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327 | def test_create_from_xya_file1(self): |
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328 | """ |
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329 | Check that object can be created from an Absolute xya file |
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330 | """ |
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331 | |
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332 | points = [[1.0, 2.1], [3.0, 5.3], [5.0, 6.1], [6.0, 3.3]] |
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333 | attributes = [2, 4, 5, 76] |
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334 | |
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335 | att_dict = {'att1': attributes, |
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336 | 'att2': array(attributes) +1} |
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337 | |
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338 | geo_ref = Geo_reference(56, 10, 5) |
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339 | |
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340 | # Create points as an xya file |
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341 | FN = 'test_points.xya' |
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342 | G1 = Geospatial_data(points, att_dict, geo_ref) |
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343 | |
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344 | G1.export_points_file(FN, absolute=True) |
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345 | |
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346 | #Create object from file |
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347 | G = Geospatial_data(file_name = FN) |
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348 | |
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349 | assert allclose(G.get_data_points(absolute=True), |
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350 | G1.get_data_points(absolute=True)) |
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351 | assert allclose(G.get_attributes('att1'), attributes) |
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352 | assert allclose(G.get_attributes('att2'), array(attributes) + 1) |
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353 | |
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354 | os.remove(FN) |
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355 | |
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356 | def test_loadxya(self): |
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357 | """ |
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358 | comma delimited |
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359 | """ |
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360 | fileName = tempfile.mktemp(".xya") |
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361 | file = open(fileName,"w") |
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362 | file.write("elevation , speed \n\ |
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363 | 1.0, 0.0, 10.0, 0.0\n\ |
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364 | 0.0, 1.0, 0.0, 10.0\n\ |
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365 | 1.0, 0.0, 10.4, 40.0\n") |
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366 | file.close() |
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367 | results = Geospatial_data(fileName, delimiter=',') |
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368 | os.remove(fileName) |
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369 | # print 'data', results.get_data_points() |
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370 | assert allclose(results.get_data_points(), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
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371 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.0, 0.0, 10.4]) |
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372 | assert allclose(results.get_attributes(attribute_name='speed'), [0.0, 10.0, 40.0]) |
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373 | |
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374 | def test_loadxya2(self): |
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375 | """ |
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376 | space delimited |
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377 | """ |
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378 | import os |
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379 | |
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380 | fileName = tempfile.mktemp(".xya") |
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381 | file = open(fileName,"w") |
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382 | file.write(" elevation speed \n\ |
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383 | 1.0 0.0 10.0 0.0\n\ |
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384 | 0.0 1.0 0.0 10.0\n\ |
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385 | 1.0 0.0 10.4 40.0\n") |
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386 | file.close() |
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387 | |
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388 | results = Geospatial_data(fileName, delimiter=' ') |
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389 | |
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390 | os.remove(fileName) |
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391 | |
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392 | assert allclose(results.get_data_points(), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
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393 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.0, 0.0, 10.4]) |
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394 | assert allclose(results.get_attributes(attribute_name='speed'), [0.0, 10.0, 40.0]) |
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395 | |
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396 | def test_loadxya3(self): |
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397 | """ |
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398 | space delimited |
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399 | """ |
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400 | import os |
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401 | |
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402 | fileName = tempfile.mktemp(".xya") |
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403 | file = open(fileName,"w") |
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404 | file.write(" elevation speed \n\ |
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405 | 1.0 0.0 10.0 0.0\n\ |
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406 | 0.0 1.0 0.0 10.0\n\ |
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407 | 1.0 0.0 10.4 40.0\n\ |
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408 | #geocrap\n\ |
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409 | 56\n\ |
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410 | 56.6\n\ |
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411 | 3\n") |
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412 | file.close() |
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413 | |
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414 | results = Geospatial_data(fileName, delimiter=' ') |
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415 | |
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416 | os.remove(fileName) |
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417 | assert allclose(results.get_data_points(absolute=False), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
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418 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.0, 0.0, 10.4]) |
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419 | assert allclose(results.get_attributes(attribute_name='speed'), [0.0, 10.0, 40.0]) |
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420 | |
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421 | def test_read_write_points_file_bad2(self): |
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422 | att_dict = {} |
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423 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
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424 | att_dict['elevation'] = array([10.0, 0.0, 10.4]) |
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425 | att_dict['brightness'] = array([10.0, 0.0, 10.4]) |
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426 | geo_reference=Geo_reference(56,1.9,1.9) |
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427 | |
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428 | G = Geospatial_data(pointlist, att_dict, geo_reference) |
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429 | |
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430 | try: |
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431 | G.export_points_file("_???/yeah.xya") |
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432 | |
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433 | except IOError: |
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434 | pass |
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435 | else: |
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436 | msg = 'bad points file extension did not raise error!' |
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437 | raise msg |
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438 | # self.failUnless(0 == 1, |
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439 | # 'bad points file extension did not raise error!') |
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440 | |
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441 | def test_loadxy_bad(self): |
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442 | import os |
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443 | |
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444 | fileName = tempfile.mktemp(".xya") |
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445 | file = open(fileName,"w") |
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446 | file.write(" elevation \n\ |
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447 | 1.0 0.0 10.0 0.0\n\ |
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448 | 0.0 1.0 0.0 10.0\n\ |
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449 | 1.0 0.0 10.4 40.0\n") |
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450 | file.close() |
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451 | #print fileName |
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452 | try: |
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453 | results = Geospatial_data(fileName, delimiter=' ') |
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454 | except IOError: |
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455 | pass |
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456 | else: |
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457 | msg = 'bad xya file did not raise error!' |
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458 | raise msg |
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459 | # self.failUnless(0 == 1, |
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460 | # 'bad xya file did not raise error!') |
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461 | os.remove(fileName) |
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462 | |
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463 | def test_loadxy_bad2(self): |
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464 | import os |
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465 | |
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466 | fileName = tempfile.mktemp(".xya") |
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467 | file = open(fileName,"w") |
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468 | file.write("elevation\n\ |
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469 | 1.0 0.0 10.0 \n\ |
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470 | 0.0 1.0\n\ |
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471 | 1.0 \n") |
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472 | file.close() |
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473 | #print fileName |
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474 | try: |
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475 | results = Geospatial_data(fileName, delimiter=' ') |
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476 | except IOError: |
---|
477 | pass |
---|
478 | else: |
---|
479 | msg = 'bad xya file did not raise error!' |
---|
480 | raise msg |
---|
481 | os.remove(fileName) |
---|
482 | |
---|
483 | def test_loadxy_bad3(self): |
---|
484 | """ |
---|
485 | specifying wrong delimiter |
---|
486 | """ |
---|
487 | import os |
---|
488 | |
---|
489 | fileName = tempfile.mktemp(".xya") |
---|
490 | file = open(fileName,"w") |
---|
491 | file.write(" elevation , speed \n\ |
---|
492 | 1.0, 0.0, 10.0, 0.0\n\ |
---|
493 | 0.0, 1.0, 0.0, 10.0\n\ |
---|
494 | 1.0, 0.0, 10.4, 40.0\n") |
---|
495 | file.close() |
---|
496 | try: |
---|
497 | results = Geospatial_data(fileName, delimiter=' ') |
---|
498 | except IOError: |
---|
499 | pass |
---|
500 | else: |
---|
501 | msg = 'bad xya file did not raise error!' |
---|
502 | raise msg |
---|
503 | os.remove(fileName) |
---|
504 | |
---|
505 | def test_loadxy_bad4(self): |
---|
506 | """ |
---|
507 | specifying wrong delimiter |
---|
508 | """ |
---|
509 | import os |
---|
510 | fileName = tempfile.mktemp(".xya") |
---|
511 | file = open(fileName,"w") |
---|
512 | file.write(" elevation speed \n\ |
---|
513 | 1.0 0.0 10.0 0.0\n\ |
---|
514 | 0.0 1.0 0.0 10.0\n\ |
---|
515 | 1.0 0.0 10.4 40.0\n\ |
---|
516 | #geo\n\ |
---|
517 | 56\n\ |
---|
518 | 1.1\n\ |
---|
519 | 1.0\n") |
---|
520 | |
---|
521 | file.close() |
---|
522 | try: |
---|
523 | results = Geospatial_data(fileName, delimiter=',') |
---|
524 | except IOError: |
---|
525 | pass |
---|
526 | else: |
---|
527 | msg = 'bad xya file did not raise error!' |
---|
528 | raise msg |
---|
529 | |
---|
530 | os.remove(fileName) |
---|
531 | |
---|
532 | def test_loadxy_bad5(self): |
---|
533 | """ |
---|
534 | specifying wrong delimiter |
---|
535 | """ |
---|
536 | import os |
---|
537 | |
---|
538 | fileName = tempfile.mktemp(".xya") |
---|
539 | file = open(fileName,"w") |
---|
540 | file.write(" elevation speed \n\ |
---|
541 | 1.0 0.0 10.0 0.0\n\ |
---|
542 | 0.0 1.0 0.0 10.0\n\ |
---|
543 | 1.0 0.0 10.4 40.0\n\ |
---|
544 | #geocrap\n\ |
---|
545 | crap") |
---|
546 | file.close() |
---|
547 | try: |
---|
548 | # dict = import_points_file(fileName,delimiter=' ') |
---|
549 | # results = Geospatial_data() |
---|
550 | results = Geospatial_data(fileName, delimiter=' ', verbose=True) |
---|
551 | # results.import_points_file(fileName, delimiter=' ') |
---|
552 | except IOError: |
---|
553 | pass |
---|
554 | else: |
---|
555 | msg = 'bad xya file did not raise error!' |
---|
556 | raise msg |
---|
557 | |
---|
558 | # self.failUnless(0 ==1, |
---|
559 | # 'bad xya file did not raise error!') |
---|
560 | os.remove(fileName) |
---|
561 | |
---|
562 | def test_loadxy_bad_no_file_xya(self): |
---|
563 | import os |
---|
564 | |
---|
565 | fileName = tempfile.mktemp(".xya") |
---|
566 | try: |
---|
567 | results = Geospatial_data(fileName, delimiter=' ') |
---|
568 | except IOError: |
---|
569 | pass |
---|
570 | else: |
---|
571 | msg = 'imaginary file did not raise error!' |
---|
572 | raise msg |
---|
573 | |
---|
574 | # except IOError: |
---|
575 | # pass |
---|
576 | # else: |
---|
577 | # self.failUnless(0 == 1, |
---|
578 | # 'imaginary file did not raise error!') |
---|
579 | |
---|
580 | |
---|
581 | ###################### .XYA ############################## |
---|
582 | |
---|
583 | def test_export_xya_file(self): |
---|
584 | # dict = {} |
---|
585 | att_dict = {} |
---|
586 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
587 | att_dict['elevation'] = array([10.0, 0.0, 10.4]) |
---|
588 | att_dict['brightness'] = array([10.0, 0.0, 10.4]) |
---|
589 | # dict['attributelist'] = att_dict |
---|
590 | geo_reference=Geo_reference(56,1.9,1.9) |
---|
591 | |
---|
592 | |
---|
593 | fileName = tempfile.mktemp(".xya") |
---|
594 | G = Geospatial_data(pointlist, att_dict, geo_reference) |
---|
595 | G.export_points_file(fileName, False) |
---|
596 | |
---|
597 | # dict2 = import_points_file(fileName) |
---|
598 | results = Geospatial_data(file_name = fileName) |
---|
599 | #print "fileName",fileName |
---|
600 | os.remove(fileName) |
---|
601 | |
---|
602 | assert allclose(results.get_data_points(absolute=False),[[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
603 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.0, 0.0, 10.4]) |
---|
604 | answer = [10.0, 0.0, 10.4] |
---|
605 | assert allclose(results.get_attributes(attribute_name='brightness'), answer) |
---|
606 | #print "dict2['geo_reference']",dict2['geo_reference'] |
---|
607 | self.failUnless(results.get_geo_reference() == geo_reference, |
---|
608 | 'test_writepts failed. Test geo_reference') |
---|
609 | |
---|
610 | def test_export_xya_file2(self): |
---|
611 | """test absolute xya file |
---|
612 | """ |
---|
613 | att_dict = {} |
---|
614 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
615 | att_dict['elevation'] = array([10.0, 0.0, 10.4]) |
---|
616 | att_dict['brightness'] = array([10.0, 0.0, 10.4]) |
---|
617 | |
---|
618 | fileName = tempfile.mktemp(".xya") |
---|
619 | G = Geospatial_data(pointlist, att_dict) |
---|
620 | G.export_points_file(fileName) |
---|
621 | results = Geospatial_data(file_name = fileName) |
---|
622 | # dict2 = import_points_file(fileName) |
---|
623 | os.remove(fileName) |
---|
624 | |
---|
625 | assert allclose(results.get_data_points(False),[[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
626 | assert allclose(results.get_attributes('elevation'), [10.0, 0.0, 10.4]) |
---|
627 | answer = [10.0, 0.0, 10.4] |
---|
628 | assert allclose(results.get_attributes('brightness'), answer) |
---|
629 | |
---|
630 | def test_export_xya_file3(self): |
---|
631 | """test absolute xya file with geo_ref |
---|
632 | """ |
---|
633 | att_dict = {} |
---|
634 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
635 | att_dict['elevation'] = array([10.0, 0.0, 10.4]) |
---|
636 | att_dict['brightness'] = array([10.0, 0.0, 10.4]) |
---|
637 | geo_reference=Geo_reference(56,1.9,1.9) |
---|
638 | |
---|
639 | |
---|
640 | fileName = tempfile.mktemp(".xya") |
---|
641 | G = Geospatial_data(pointlist, att_dict, geo_reference) |
---|
642 | |
---|
643 | G.export_points_file(fileName, absolute=True) |
---|
644 | |
---|
645 | results = Geospatial_data(file_name = fileName) |
---|
646 | os.remove(fileName) |
---|
647 | |
---|
648 | assert allclose(results.get_data_points(), |
---|
649 | [[2.9, 1.9],[1.9, 2.9],[2.9, 1.9]]) |
---|
650 | assert allclose(results.get_attributes(attribute_name='elevation'), |
---|
651 | [10.0, 0.0, 10.4]) |
---|
652 | answer = [10.0, 0.0, 10.4] |
---|
653 | assert allclose(results.get_attributes(attribute_name='brightness'), answer) |
---|
654 | self.failUnless(results.get_geo_reference() == geo_reference, |
---|
655 | 'test_writepts failed. Test geo_reference') |
---|
656 | |
---|
657 | |
---|
658 | |
---|
659 | def test_new_export_pts_file(self): |
---|
660 | att_dict = {} |
---|
661 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
662 | att_dict['elevation'] = array([10.1, 0.0, 10.4]) |
---|
663 | att_dict['brightness'] = array([10.0, 1.0, 10.4]) |
---|
664 | |
---|
665 | fileName = tempfile.mktemp(".pts") |
---|
666 | |
---|
667 | G = Geospatial_data(pointlist, att_dict) |
---|
668 | |
---|
669 | G.export_points_file(fileName) |
---|
670 | |
---|
671 | results = Geospatial_data(file_name = fileName) |
---|
672 | |
---|
673 | os.remove(fileName) |
---|
674 | |
---|
675 | assert allclose(results.get_data_points(),[[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
676 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.1, 0.0, 10.4]) |
---|
677 | answer = [10.0, 1.0, 10.4] |
---|
678 | assert allclose(results.get_attributes(attribute_name='brightness'), answer) |
---|
679 | |
---|
680 | def test_new_export_absolute_pts_file(self): |
---|
681 | att_dict = {} |
---|
682 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
683 | att_dict['elevation'] = array([10.1, 0.0, 10.4]) |
---|
684 | att_dict['brightness'] = array([10.0, 1.0, 10.4]) |
---|
685 | geo_ref = Geo_reference(50, 25, 55) |
---|
686 | |
---|
687 | fileName = tempfile.mktemp(".pts") |
---|
688 | |
---|
689 | G = Geospatial_data(pointlist, att_dict, geo_ref) |
---|
690 | |
---|
691 | G.export_points_file(fileName, absolute=True) |
---|
692 | |
---|
693 | results = Geospatial_data(file_name = fileName) |
---|
694 | |
---|
695 | os.remove(fileName) |
---|
696 | |
---|
697 | assert allclose(results.get_data_points(), G.get_data_points(True)) |
---|
698 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.1, 0.0, 10.4]) |
---|
699 | answer = [10.0, 1.0, 10.4] |
---|
700 | assert allclose(results.get_attributes(attribute_name='brightness'), answer) |
---|
701 | |
---|
702 | def test_loadpts(self): |
---|
703 | |
---|
704 | from Scientific.IO.NetCDF import NetCDFFile |
---|
705 | |
---|
706 | fileName = tempfile.mktemp(".pts") |
---|
707 | # NetCDF file definition |
---|
708 | outfile = NetCDFFile(fileName, 'w') |
---|
709 | |
---|
710 | # dimension definitions |
---|
711 | outfile.createDimension('number_of_points', 3) |
---|
712 | outfile.createDimension('number_of_dimensions', 2) #This is 2d data |
---|
713 | |
---|
714 | # variable definitions |
---|
715 | outfile.createVariable('points', Float, ('number_of_points', |
---|
716 | 'number_of_dimensions')) |
---|
717 | outfile.createVariable('elevation', Float, ('number_of_points',)) |
---|
718 | |
---|
719 | # Get handles to the variables |
---|
720 | points = outfile.variables['points'] |
---|
721 | elevation = outfile.variables['elevation'] |
---|
722 | |
---|
723 | points[0, :] = [1.0,0.0] |
---|
724 | elevation[0] = 10.0 |
---|
725 | points[1, :] = [0.0,1.0] |
---|
726 | elevation[1] = 0.0 |
---|
727 | points[2, :] = [1.0,0.0] |
---|
728 | elevation[2] = 10.4 |
---|
729 | |
---|
730 | outfile.close() |
---|
731 | |
---|
732 | results = Geospatial_data(file_name = fileName) |
---|
733 | os.remove(fileName) |
---|
734 | answer = [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]] |
---|
735 | assert allclose(results.get_data_points(), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
736 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.0, 0.0, 10.4]) |
---|
737 | |
---|
738 | def test_writepts(self): |
---|
739 | att_dict = {} |
---|
740 | pointlist = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
741 | att_dict['elevation'] = array([10.0, 0.0, 10.4]) |
---|
742 | att_dict['brightness'] = array([10.0, 0.0, 10.4]) |
---|
743 | geo_reference=Geo_reference(56,1.9,1.9) |
---|
744 | |
---|
745 | fileName = tempfile.mktemp(".pts") |
---|
746 | |
---|
747 | G = Geospatial_data(pointlist, att_dict, geo_reference) |
---|
748 | |
---|
749 | G.export_points_file(fileName, False) |
---|
750 | |
---|
751 | results = Geospatial_data(file_name = fileName) |
---|
752 | |
---|
753 | os.remove(fileName) |
---|
754 | |
---|
755 | assert allclose(results.get_data_points(False),[[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
756 | assert allclose(results.get_attributes('elevation'), [10.0, 0.0, 10.4]) |
---|
757 | answer = [10.0, 0.0, 10.4] |
---|
758 | assert allclose(results.get_attributes('brightness'), answer) |
---|
759 | |
---|
760 | |
---|
761 | self.failUnless(geo_reference == geo_reference, |
---|
762 | 'test_writepts failed. Test geo_reference') |
---|
763 | |
---|
764 | ########################## BAD .PTS ########################## |
---|
765 | |
---|
766 | def test_load_bad_no_file_pts(self): |
---|
767 | import os |
---|
768 | import tempfile |
---|
769 | |
---|
770 | fileName = tempfile.mktemp(".pts") |
---|
771 | #print fileName |
---|
772 | try: |
---|
773 | results = Geospatial_data(file_name = fileName) |
---|
774 | # dict = import_points_file(fileName) |
---|
775 | except IOError: |
---|
776 | pass |
---|
777 | else: |
---|
778 | msg = 'imaginary file did not raise error!' |
---|
779 | raise msg |
---|
780 | # self.failUnless(0 == 1, |
---|
781 | # 'imaginary file did not raise error!') |
---|
782 | |
---|
783 | |
---|
784 | def test_create_from_pts_file(self): |
---|
785 | |
---|
786 | from Scientific.IO.NetCDF import NetCDFFile |
---|
787 | |
---|
788 | # fileName = tempfile.mktemp(".pts") |
---|
789 | FN = 'test_points.pts' |
---|
790 | # NetCDF file definition |
---|
791 | outfile = NetCDFFile(FN, 'w') |
---|
792 | |
---|
793 | # dimension definitions |
---|
794 | outfile.createDimension('number_of_points', 3) |
---|
795 | outfile.createDimension('number_of_dimensions', 2) #This is 2d data |
---|
796 | |
---|
797 | # variable definitions |
---|
798 | outfile.createVariable('points', Float, ('number_of_points', |
---|
799 | 'number_of_dimensions')) |
---|
800 | outfile.createVariable('elevation', Float, ('number_of_points',)) |
---|
801 | |
---|
802 | # Get handles to the variables |
---|
803 | points = outfile.variables['points'] |
---|
804 | elevation = outfile.variables['elevation'] |
---|
805 | |
---|
806 | points[0, :] = [1.0,0.0] |
---|
807 | elevation[0] = 10.0 |
---|
808 | points[1, :] = [0.0,1.0] |
---|
809 | elevation[1] = 0.0 |
---|
810 | points[2, :] = [1.0,0.0] |
---|
811 | elevation[2] = 10.4 |
---|
812 | |
---|
813 | outfile.close() |
---|
814 | |
---|
815 | G = Geospatial_data(file_name = FN) |
---|
816 | |
---|
817 | assert allclose(G.get_geo_reference().get_xllcorner(), 0.0) |
---|
818 | assert allclose(G.get_geo_reference().get_yllcorner(), 0.0) |
---|
819 | |
---|
820 | assert allclose(G.get_data_points(), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
821 | assert allclose(G.get_attributes(), [10.0, 0.0, 10.4]) |
---|
822 | os.remove(FN) |
---|
823 | |
---|
824 | def test_create_from_pts_file_with_geo(self): |
---|
825 | """This test reveals if Geospatial data is correctly instantiated from a pts file. |
---|
826 | """ |
---|
827 | |
---|
828 | from Scientific.IO.NetCDF import NetCDFFile |
---|
829 | |
---|
830 | FN = 'test_points.pts' |
---|
831 | # NetCDF file definition |
---|
832 | outfile = NetCDFFile(FN, 'w') |
---|
833 | |
---|
834 | # Make up an arbitrary georef |
---|
835 | xll = 0.1 |
---|
836 | yll = 20 |
---|
837 | geo_reference=Geo_reference(56, xll, yll) |
---|
838 | geo_reference.write_NetCDF(outfile) |
---|
839 | |
---|
840 | # dimension definitions |
---|
841 | outfile.createDimension('number_of_points', 3) |
---|
842 | outfile.createDimension('number_of_dimensions', 2) #This is 2d data |
---|
843 | |
---|
844 | # variable definitions |
---|
845 | outfile.createVariable('points', Float, ('number_of_points', |
---|
846 | 'number_of_dimensions')) |
---|
847 | outfile.createVariable('elevation', Float, ('number_of_points',)) |
---|
848 | |
---|
849 | # Get handles to the variables |
---|
850 | points = outfile.variables['points'] |
---|
851 | elevation = outfile.variables['elevation'] |
---|
852 | |
---|
853 | points[0, :] = [1.0,0.0] |
---|
854 | elevation[0] = 10.0 |
---|
855 | points[1, :] = [0.0,1.0] |
---|
856 | elevation[1] = 0.0 |
---|
857 | points[2, :] = [1.0,0.0] |
---|
858 | elevation[2] = 10.4 |
---|
859 | |
---|
860 | outfile.close() |
---|
861 | |
---|
862 | G = Geospatial_data(file_name = FN) |
---|
863 | |
---|
864 | assert allclose(G.get_geo_reference().get_xllcorner(), xll) |
---|
865 | assert allclose(G.get_geo_reference().get_yllcorner(), yll) |
---|
866 | |
---|
867 | assert allclose(G.get_data_points(), [[1.0+xll, 0.0+yll], |
---|
868 | [0.0+xll, 1.0+yll], |
---|
869 | [1.0+xll, 0.0+yll]]) |
---|
870 | |
---|
871 | assert allclose(G.get_attributes(), [10.0, 0.0, 10.4]) |
---|
872 | os.remove(FN) |
---|
873 | |
---|
874 | |
---|
875 | def test_add_(self): |
---|
876 | '''adds an xya and pts files, reads the files and adds them |
---|
877 | checking results are correct |
---|
878 | ''' |
---|
879 | |
---|
880 | #FIXME (Ole): I changed the georeference arbitrarily, but the test still passes. |
---|
881 | |
---|
882 | # create files |
---|
883 | att_dict1 = {} |
---|
884 | pointlist1 = array([[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
885 | att_dict1['elevation'] = array([-10.0, 0.0, 10.4]) |
---|
886 | att_dict1['brightness'] = array([10.0, 0.0, 10.4]) |
---|
887 | geo_reference1 = Geo_reference(56, 2.0, 1.0) |
---|
888 | |
---|
889 | att_dict2 = {} |
---|
890 | pointlist2 = array([[2.0, 1.0],[1.0, 2.0],[2.0, 1.0]]) |
---|
891 | att_dict2['elevation'] = array([1.0, 15.0, 1.4]) |
---|
892 | att_dict2['brightness'] = array([14.0, 1.0, -12.4]) |
---|
893 | geo_reference2 = Geo_reference(56, 1.0, 2.0) #FIXME (Ole): I changed this, why does it still pass |
---|
894 | #OK - it fails now, after the fix revealed by test_create_from_pts_file_with_geo') |
---|
895 | |
---|
896 | G1 = Geospatial_data(pointlist1, att_dict1, geo_reference1) |
---|
897 | G2 = Geospatial_data(pointlist2, att_dict2, geo_reference2) |
---|
898 | |
---|
899 | fileName1 = tempfile.mktemp(".xya") |
---|
900 | fileName2 = tempfile.mktemp(".pts") |
---|
901 | |
---|
902 | #makes files |
---|
903 | G1.export_points_file(fileName1) |
---|
904 | G2.export_points_file(fileName2) |
---|
905 | |
---|
906 | # add files |
---|
907 | |
---|
908 | G3 = Geospatial_data(file_name = fileName1) |
---|
909 | G4 = Geospatial_data(file_name = fileName2) |
---|
910 | |
---|
911 | G = G3 + G4 |
---|
912 | |
---|
913 | |
---|
914 | #read results |
---|
915 | # print'res', G.get_data_points() |
---|
916 | # print'res1', G.get_data_points(False) |
---|
917 | assert allclose(G.get_data_points(), |
---|
918 | [[ 3.0, 1.0], [ 2.0, 2.0], |
---|
919 | [ 3.0, 1.0], [ 3.0, 3.0], |
---|
920 | [ 2.0, 4.0], [ 3.0, 3.0]]) |
---|
921 | |
---|
922 | assert allclose(G.get_attributes(attribute_name='elevation'), |
---|
923 | [-10.0, 0.0, 10.4, 1.0, 15.0, 1.4]) |
---|
924 | |
---|
925 | answer = [10.0, 0.0, 10.4, 14.0, 1.0, -12.4] |
---|
926 | assert allclose(G.get_attributes(attribute_name='brightness'), answer) |
---|
927 | |
---|
928 | self.failUnless(G.get_geo_reference() == geo_reference1, |
---|
929 | 'test_writepts failed. Test geo_reference') |
---|
930 | |
---|
931 | os.remove(fileName1) |
---|
932 | os.remove(fileName2) |
---|
933 | |
---|
934 | def test_ensure_absolute(self): |
---|
935 | points = [[2.0, 0.0],[1.0, 1.0], |
---|
936 | [2.0, 0.0],[2.0, 2.0], |
---|
937 | [1.0, 3.0],[2.0, 2.0]] |
---|
938 | new_points = ensure_absolute(points) |
---|
939 | |
---|
940 | assert allclose(new_points, points) |
---|
941 | |
---|
942 | points = array([[2.0, 0.0],[1.0, 1.0], |
---|
943 | [2.0, 0.0],[2.0, 2.0], |
---|
944 | [1.0, 3.0],[2.0, 2.0]]) |
---|
945 | new_points = ensure_absolute(points) |
---|
946 | |
---|
947 | assert allclose(new_points, points) |
---|
948 | |
---|
949 | ab_points = array([[2.0, 0.0],[1.0, 1.0], |
---|
950 | [2.0, 0.0],[2.0, 2.0], |
---|
951 | [1.0, 3.0],[2.0, 2.0]]) |
---|
952 | |
---|
953 | mesh_origin = (56, 290000, 618000) #zone, easting, northing |
---|
954 | |
---|
955 | data_points = zeros((ab_points.shape), Float) |
---|
956 | #Shift datapoints according to new origins |
---|
957 | for k in range(len(ab_points)): |
---|
958 | data_points[k][0] = ab_points[k][0] - mesh_origin[1] |
---|
959 | data_points[k][1] = ab_points[k][1] - mesh_origin[2] |
---|
960 | #print "data_points",data_points |
---|
961 | new_points = ensure_absolute(data_points, |
---|
962 | geo_reference=mesh_origin) |
---|
963 | #print "new_points",new_points |
---|
964 | #print "ab_points",ab_points |
---|
965 | |
---|
966 | assert allclose(new_points, ab_points) |
---|
967 | |
---|
968 | geo = Geo_reference(56,67,-56) |
---|
969 | |
---|
970 | data_points = geo.change_points_geo_ref(ab_points) |
---|
971 | new_points = ensure_absolute(data_points, |
---|
972 | geo_reference=geo) |
---|
973 | #print "new_points",new_points |
---|
974 | #print "ab_points",ab_points |
---|
975 | |
---|
976 | assert allclose(new_points, ab_points) |
---|
977 | |
---|
978 | |
---|
979 | geo_reference = Geo_reference(56, 100, 200) |
---|
980 | ab_points = [[1.0, 2.1], [3.0, 5.3]] |
---|
981 | points = geo_reference.change_points_geo_ref(ab_points) |
---|
982 | attributes = [2, 4] |
---|
983 | #print "geo in points", points |
---|
984 | G = Geospatial_data(points, attributes, |
---|
985 | geo_reference=geo_reference) |
---|
986 | |
---|
987 | new_points = ensure_absolute(G) |
---|
988 | #print "new_points",new_points |
---|
989 | #print "ab_points",ab_points |
---|
990 | |
---|
991 | assert allclose(new_points, ab_points) |
---|
992 | |
---|
993 | def test_isinstance(self): |
---|
994 | |
---|
995 | import os |
---|
996 | |
---|
997 | fileName = tempfile.mktemp(".xya") |
---|
998 | file = open(fileName,"w") |
---|
999 | file.write(" elevation speed \n\ |
---|
1000 | 1.0 0.0 10.0 0.0\n\ |
---|
1001 | 0.0 1.0 0.0 10.0\n\ |
---|
1002 | 1.0 0.0 10.4 40.0\n\ |
---|
1003 | #geocrap\n\ |
---|
1004 | 56\n\ |
---|
1005 | 56.6\n\ |
---|
1006 | 3\n") |
---|
1007 | file.close() |
---|
1008 | |
---|
1009 | results = Geospatial_data(fileName) |
---|
1010 | |
---|
1011 | assert allclose(results.get_data_points(absolute=False), [[1.0, 0.0],[0.0, 1.0],[1.0, 0.0]]) |
---|
1012 | assert allclose(results.get_attributes(attribute_name='elevation'), [10.0, 0.0, 10.4]) |
---|
1013 | assert allclose(results.get_attributes(attribute_name='speed'), [0.0, 10.0, 40.0]) |
---|
1014 | |
---|
1015 | os.remove(fileName) |
---|
1016 | |
---|
1017 | def test_delimiter(self): |
---|
1018 | |
---|
1019 | try: |
---|
1020 | G = Geospatial_data(delimiter=',') |
---|
1021 | # results = Geospatial_data(file_name = fileName) |
---|
1022 | # dict = import_points_file(fileName) |
---|
1023 | except ValueError: |
---|
1024 | pass |
---|
1025 | else: |
---|
1026 | msg = 'Instance with No fileName but has a delimiter\ |
---|
1027 | did not raise error!' |
---|
1028 | raise msg |
---|
1029 | |
---|
1030 | def test_no_constructors(self): |
---|
1031 | |
---|
1032 | try: |
---|
1033 | G = Geospatial_data() |
---|
1034 | # results = Geospatial_data(file_name = fileName) |
---|
1035 | # dict = import_points_file(fileName) |
---|
1036 | except ValueError: |
---|
1037 | pass |
---|
1038 | else: |
---|
1039 | msg = 'Instance must have a filename or data points' |
---|
1040 | raise msg |
---|
1041 | |
---|
1042 | def test_check_geo_reference(self): |
---|
1043 | """ |
---|
1044 | checks geo reference details are OK. eg can be called '#geo reference' |
---|
1045 | if not throws a clear error message |
---|
1046 | """ |
---|
1047 | import os |
---|
1048 | fileName = tempfile.mktemp(".xya") |
---|
1049 | file = open(fileName,"w") |
---|
1050 | file.write(" elevation \n\ |
---|
1051 | 1.0 0.0 10.0\n\ |
---|
1052 | 0.0 1.0 0.0\n\ |
---|
1053 | 1.0 0.0 10.4\n\ |
---|
1054 | #ge oreference\n\ |
---|
1055 | 56\n\ |
---|
1056 | 1.1\n\ |
---|
1057 | 1.0\n") |
---|
1058 | |
---|
1059 | file.close() |
---|
1060 | results = Geospatial_data(fileName) |
---|
1061 | assert allclose(results.get_geo_reference().get_xllcorner(), 1.1) |
---|
1062 | assert allclose(results.get_geo_reference().get_yllcorner(), 1.0) |
---|
1063 | |
---|
1064 | fileName = tempfile.mktemp(".xya") |
---|
1065 | file = open(fileName,"w") |
---|
1066 | file.write(" elevation \n\ |
---|
1067 | 1.0 0.0 10.0\n\ |
---|
1068 | 0.0 1.0 0.0\n\ |
---|
1069 | 1.0 0.0 10.4\n") |
---|
1070 | |
---|
1071 | file.close() |
---|
1072 | results = Geospatial_data(fileName) |
---|
1073 | |
---|
1074 | def test_check_geo_reference1(self): |
---|
1075 | """ |
---|
1076 | checks geo reference details are OK. eg can be called '#geo reference' |
---|
1077 | if not throws a clear error message |
---|
1078 | """ |
---|
1079 | import os |
---|
1080 | fileName = tempfile.mktemp(".xya") |
---|
1081 | file = open(fileName,"w") |
---|
1082 | file.write(" elevation \n\ |
---|
1083 | 1.0 0.0 10.0\n\ |
---|
1084 | 0.0 1.0 0.0\n\ |
---|
1085 | 1.0 0.0 10.4\n\ |
---|
1086 | #geo t t\n\ |
---|
1087 | 56\n\ |
---|
1088 | 1.1\n" |
---|
1089 | ) |
---|
1090 | file.close() |
---|
1091 | |
---|
1092 | try: |
---|
1093 | results = Geospatial_data(fileName, delimiter = " ") |
---|
1094 | except IOError: |
---|
1095 | pass |
---|
1096 | else: |
---|
1097 | msg = 'Geo reference data format is incorrect' |
---|
1098 | raise msg |
---|
1099 | |
---|
1100 | |
---|
1101 | |
---|
1102 | |
---|
1103 | if __name__ == "__main__": |
---|
1104 | #suite = unittest.makeSuite(Test_Geospatial_data, 'test_check_geo_reference1') |
---|
1105 | suite = unittest.makeSuite(Test_Geospatial_data, 'test') |
---|
1106 | runner = unittest.TextTestRunner() |
---|
1107 | runner.run(suite) |
---|
1108 | |
---|
1109 | |
---|