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 tempfile |
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6 | import os |
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7 | |
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8 | from geo_reference import * |
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9 | from anuga.config import netcdf_mode_r, netcdf_mode_w, netcdf_mode_a |
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10 | |
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11 | import Numeric as num |
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12 | |
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13 | |
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14 | class geo_referenceTestCase(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 | |
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23 | def test_get_origin(self): |
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24 | g = Geo_reference(56,1.9,1.9) |
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25 | (z,x,y) = g.get_origin() |
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26 | |
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27 | self.failUnless(z == g.get_zone(), ' failed') |
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28 | self.failUnless(x == g.get_xllcorner(), ' failed') |
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29 | self.failUnless(y == g.get_yllcorner(), ' failed') |
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30 | |
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31 | def test_read_write_NetCDF(self): |
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32 | from Scientific.IO.NetCDF import NetCDFFile |
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33 | g = Geo_reference(56,1.9,1.9) |
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34 | file_name = tempfile.mktemp(".geo_referenceTest") |
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35 | |
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36 | out_file = NetCDFFile(file_name, netcdf_mode_w) |
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37 | g.write_NetCDF(out_file) |
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38 | out_file.close() |
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39 | |
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40 | in_file = NetCDFFile(file_name, netcdf_mode_r) |
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41 | new_g = Geo_reference(NetCDFObject=in_file) |
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42 | in_file.close() |
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43 | os.remove(file_name) |
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44 | |
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45 | self.failUnless(g == new_g, 'test_read_write_NetCDF failed') |
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46 | |
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47 | def test_read_NetCDFI(self): |
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48 | # test if read_NetCDF |
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49 | from Scientific.IO.NetCDF import NetCDFFile |
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50 | g = Geo_reference(56,1.9,1.9) |
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51 | file_name = tempfile.mktemp(".geo_referenceTest") |
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52 | |
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53 | outfile = NetCDFFile(file_name, netcdf_mode_w) |
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54 | outfile.xllcorner = g.get_xllcorner() |
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55 | outfile.yllcorner = g.get_yllcorner() |
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56 | outfile.zone = g.get_zone() |
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57 | outfile.close() |
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58 | |
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59 | in_file = NetCDFFile(file_name, netcdf_mode_r) |
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60 | new_g = Geo_reference(NetCDFObject=in_file) |
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61 | in_file.close() |
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62 | os.remove(file_name) |
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63 | |
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64 | self.failUnless(g == new_g, ' failed') |
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65 | |
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66 | def test_read_write_ASCII(self): |
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67 | from Scientific.IO.NetCDF import NetCDFFile |
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68 | g = Geo_reference(56,1.9,1.9) |
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69 | file_name = tempfile.mktemp(".geo_referenceTest") |
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70 | fd = open(file_name,'w') |
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71 | g.write_ASCII(fd) |
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72 | fd.close() |
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73 | |
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74 | fd = open(file_name,'r') |
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75 | new_g = Geo_reference(ASCIIFile=fd) |
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76 | fd.close() |
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77 | os.remove(file_name) |
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78 | |
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79 | self.failUnless(g == new_g, 'test_read_write_ASCII failed') |
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80 | |
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81 | def test_read_write_ASCII2(self): |
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82 | from Scientific.IO.NetCDF import NetCDFFile |
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83 | g = Geo_reference(56,1.9,1.9) |
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84 | file_name = tempfile.mktemp(".geo_referenceTest") |
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85 | fd = open(file_name,'w') |
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86 | g.write_ASCII(fd) |
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87 | fd.close() |
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88 | fd = open(file_name,'r') |
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89 | line = fd.readline() |
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90 | new_g = Geo_reference(ASCIIFile=fd, read_title=line) |
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91 | fd.close() |
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92 | os.remove(file_name) |
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93 | |
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94 | self.failUnless(g == new_g, 'test_read_write_ASCII failed') |
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95 | |
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96 | def test_read_write_ASCII3(self): |
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97 | from Scientific.IO.NetCDF import NetCDFFile |
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98 | g = Geo_reference(56,1.9,1.9) |
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99 | file_name = tempfile.mktemp(".geo_referenceTest") |
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100 | fd = open(file_name,'w') |
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101 | g.write_ASCII(fd) |
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102 | fd.close() |
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103 | fd = open(file_name,'r') |
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104 | line = fd.readline() |
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105 | line = "fail !!" |
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106 | try: |
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107 | new_g = Geo_reference(ASCIIFile=fd, read_title=line) |
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108 | fd.close() |
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109 | os.remove(file_name) |
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110 | except TitleError: |
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111 | fd.close() |
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112 | os.remove(file_name) |
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113 | else: |
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114 | self.failUnless(0 ==1, |
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115 | 'bad text file did not raise error!') |
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116 | |
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117 | def test_change_points_geo_ref(self): |
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118 | x = 433.0 |
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119 | y = 3.0 |
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120 | g = Geo_reference(56,x,y) |
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121 | lofl = [[3.0,311.0], [677.0,6.0]] |
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122 | new_lofl = g.change_points_geo_ref(lofl) |
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123 | #print "lofl",lofl |
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124 | #print "new_lofl",new_lofl |
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125 | |
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126 | self.failUnless(type(new_lofl) == types.ListType, ' failed') |
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127 | self.failUnless(type(new_lofl) == type(lofl), ' failed') |
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128 | for point,new_point in map(None,lofl,new_lofl): |
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129 | self.failUnless(point[0]-x==new_point[0], ' failed') |
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130 | self.failUnless(point[1]-y==new_point[1], ' failed') |
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131 | |
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132 | |
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133 | def test_change_points_geo_ref2(self): |
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134 | x = 3.0 |
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135 | y = 543.0 |
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136 | g = Geo_reference(56,x,y) |
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137 | lofl = [[3.0,388.0]] |
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138 | new_lofl = g.change_points_geo_ref(lofl) |
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139 | #print "lofl",lofl |
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140 | #print "new_lofl",new_lofl |
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141 | |
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142 | self.failUnless(type(new_lofl) == types.ListType, ' failed') |
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143 | self.failUnless(type(new_lofl) == type(lofl), ' failed') |
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144 | for point,new_point in map(None,lofl,new_lofl): |
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145 | self.failUnless(point[0]-x==new_point[0], ' failed') |
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146 | self.failUnless(point[1]-y==new_point[1], ' failed') |
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147 | |
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148 | def test_change_points_geo_ref3(self): |
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149 | x = 3.0 |
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150 | y = 443.0 |
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151 | g = Geo_reference(56,x,y) |
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152 | lofl = [3.0,345.0] |
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153 | new_lofl = g.change_points_geo_ref(lofl) |
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154 | #print "lofl",lofl |
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155 | #print "new_lofl",new_lofl |
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156 | |
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157 | self.failUnless(type(new_lofl) == types.ListType, ' failed') |
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158 | self.failUnless(type(new_lofl) == type(lofl), ' failed') |
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159 | for point,new_point in map(None,[lofl],new_lofl): |
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160 | self.failUnless(point[0]-x==new_point[0], ' failed') |
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161 | self.failUnless(point[1]-y==new_point[1], ' failed') |
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162 | |
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163 | |
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164 | def test_change_points_geo_ref4(self): |
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165 | x = 3.0 |
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166 | y = 443.0 |
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167 | g = Geo_reference(56,x,y) |
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168 | lofl = num.array([[3.0,323.0], [6.0,645.0]]) |
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169 | new_lofl = g.change_points_geo_ref(lofl) |
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170 | #print "4 lofl",lofl |
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171 | #print "4 new_lofl",new_lofl |
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172 | |
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173 | self.failUnless(type(new_lofl) == num.ArrayType, ' failed') |
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174 | self.failUnless(type(new_lofl) == type(lofl), ' failed') |
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175 | lofl[:,0] -= x |
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176 | lofl[:,1] -= y |
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177 | assert num.allclose(lofl,new_lofl) |
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178 | |
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179 | def test_change_points_geo_ref5(self): |
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180 | x = 103.0 |
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181 | y = 3.0 |
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182 | g = Geo_reference(56,x,y) |
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183 | lofl = num.array([[3.0,323.0]]) |
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184 | |
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185 | |
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186 | #print "5 lofl before",lofl |
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187 | new_lofl = g.change_points_geo_ref(lofl.copy()) |
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188 | #print "5 lofl",lofl |
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189 | #print "5 new_lofl",new_lofl |
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190 | |
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191 | self.failUnless(type(new_lofl) == num.ArrayType, ' failed') |
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192 | self.failUnless(type(new_lofl) == type(lofl), ' failed') |
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193 | |
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194 | |
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195 | for point,new_point in map(None,lofl,new_lofl): |
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196 | self.failUnless(point[0]-x==new_point[0], ' failed') |
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197 | self.failUnless(point[1]-y==new_point[1], ' failed') |
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198 | |
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199 | def test_change_points_geo_ref6(self): |
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200 | x = 53.0 |
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201 | y = 3.0 |
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202 | g = Geo_reference(56,x,y) |
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203 | lofl = num.array([355.0,3.0]) |
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204 | new_lofl = g.change_points_geo_ref(lofl.copy()) |
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205 | #print "lofl",lofl |
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206 | #print "new_lofl",new_lofl |
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207 | |
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208 | self.failUnless(type(new_lofl) == num.ArrayType, ' failed') |
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209 | self.failUnless(type(new_lofl) == type(lofl), ' failed') |
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210 | for point,new_point in map(None,[lofl],new_lofl): |
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211 | self.failUnless(point[0]-x==new_point[0], ' failed') |
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212 | self.failUnless(point[1]-y==new_point[1], ' failed') |
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213 | |
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214 | def test_change_points_geo_ref7(self): |
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215 | x = 23.0 |
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216 | y = 3.0 |
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217 | point_x = 9.0 |
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218 | point_y = -60.0 |
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219 | g = Geo_reference(56,x,y) |
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220 | points_geo_ref = Geo_reference(56,point_x,point_y) |
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221 | lofl = [[3.0,30.0], [67.0,6.0]] |
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222 | new_lofl = g.change_points_geo_ref(lofl,points_geo_ref=points_geo_ref) |
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223 | #print "lofl",lofl |
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224 | #print "new_lofl",new_lofl |
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225 | |
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226 | self.failUnless(type(new_lofl) == types.ListType, ' failed') |
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227 | self.failUnless(type(new_lofl) == type(lofl), ' failed') |
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228 | for point,new_point in map(None,lofl,new_lofl): |
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229 | self.failUnless(point[0]+point_x-x==new_point[0], ' failed') |
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230 | self.failUnless(point[1]+point_y-y==new_point[1], ' failed') |
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231 | |
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232 | |
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233 | def test_get_absolute(self): |
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234 | x = 7.0 |
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235 | y = 3.0 |
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236 | |
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237 | g = Geo_reference(56,x,y) |
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238 | lofl = [[3.0,34.0], [64.0,6.0]] |
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239 | new_lofl = g.get_absolute(lofl) |
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240 | #print "lofl",lofl |
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241 | #print "new_lofl",new_lofl |
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242 | |
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243 | self.failUnless(type(new_lofl) == types.ListType, ' failed') |
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244 | self.failUnless(type(new_lofl) == type(lofl), ' failed') |
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245 | for point,new_point in map(None,lofl,new_lofl): |
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246 | self.failUnless(point[0]+x==new_point[0], ' failed') |
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247 | self.failUnless(point[1]+y==new_point[1], ' failed') |
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248 | |
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249 | |
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250 | g = Geo_reference() |
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251 | lofl = [[3.0,34.0], [64.0,6.0]] |
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252 | new_lofl = g.get_absolute(lofl) |
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253 | #print "lofl",lofl |
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254 | #print "new_lofl",new_lofl |
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255 | |
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256 | self.failUnless(type(new_lofl) == types.ListType, ' failed') |
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257 | self.failUnless(type(new_lofl) == type(lofl), ' failed') |
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258 | for point,new_point in map(None,lofl,new_lofl): |
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259 | self.failUnless(point[0]==new_point[0], ' failed') |
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260 | self.failUnless(point[1]==new_point[1], ' failed') |
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261 | |
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262 | def test_is_absolute(self): |
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263 | |
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264 | g = Geo_reference(34,0,0) |
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265 | points = [[3.0,34.0], [64.0,6.0]] |
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266 | |
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267 | assert g.is_absolute() |
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268 | |
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269 | g = Geo_reference(34,7,-6) |
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270 | assert not g.is_absolute() |
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271 | |
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272 | |
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273 | def test___cmp__(self): |
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274 | g = Geo_reference(56,1.9,1.9,) |
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275 | new_g = Geo_reference(56,1.9,1.9) |
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276 | |
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277 | self.failUnless(g == new_g, 'test___cmp__ failed') |
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278 | |
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279 | |
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280 | def test_reconcile(self): |
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281 | g1 = Geo_reference(56,2,5) |
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282 | g2 = Geo_reference(50,4,5) |
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283 | g3 = Geo_reference(50,66,6) |
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284 | g_default = Geo_reference() |
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285 | |
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286 | |
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287 | g2.reconcile_zones(g3) |
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288 | assert g2.get_zone() == g3.get_zone() |
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289 | |
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290 | g_default.reconcile_zones(g3) |
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291 | assert g_default.get_zone() == g3.get_zone() |
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292 | |
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293 | g_default = Geo_reference() |
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294 | g3.reconcile_zones(g_default) |
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295 | assert g_default.get_zone() == g3.get_zone() |
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296 | |
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297 | try: |
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298 | g1.reconcile_zones(g2) |
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299 | except: |
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300 | pass |
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301 | else: |
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302 | msg = 'Should have raised an exception' |
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303 | raise msg |
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304 | |
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305 | def test_bad_ASCII_title(self): |
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306 | # create an text file |
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307 | point_file = tempfile.mktemp(".xxx") |
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308 | fd = open(point_file,'w') |
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309 | fd.write("# hey! \n") |
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310 | fd.close() |
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311 | |
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312 | fd = open(point_file,'r') |
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313 | # |
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314 | #new_g = Geo_reference(ASCIIFile=fd) |
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315 | try: |
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316 | new_g = Geo_reference(ASCIIFile=fd) |
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317 | fd.close() |
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318 | os.remove(point_file) |
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319 | except TitleError: |
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320 | fd.close() |
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321 | os.remove(point_file) |
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322 | else: |
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323 | self.failUnless(0 ==1, |
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324 | 'bad text file did not raise error!') |
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325 | os.remove(point_file) |
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326 | |
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327 | def test_read_write_ASCII_test_and_fail(self): |
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328 | from Scientific.IO.NetCDF import NetCDFFile |
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329 | |
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330 | # This is to test a fail |
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331 | g = Geo_reference(56,1.9,1.9) |
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332 | file_name = tempfile.mktemp(".geo_referenceTest") |
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333 | fd = open(file_name,'w') |
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334 | g.write_ASCII(fd) |
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335 | fd.close() |
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336 | fd = open(file_name,'r') |
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337 | line = fd.readline() |
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338 | line = " #Geo" |
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339 | try: |
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340 | new_g = Geo_reference(ASCIIFile=fd, read_title=line) |
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341 | fd.close() |
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342 | os.remove(file_name) |
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343 | except TitleError: |
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344 | fd.close() |
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345 | os.remove(file_name) |
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346 | else: |
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347 | self.failUnless(0 ==1, |
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348 | 'bad text file did not raise error!') |
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349 | |
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350 | # this tests a pass |
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351 | g = Geo_reference(56,1.9,1.9) |
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352 | file_name = tempfile.mktemp(".geo_referenceTest") |
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353 | fd = open(file_name,'w') |
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354 | g.write_ASCII(fd) |
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355 | fd.close() |
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356 | |
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357 | fd = open(file_name,'r') |
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358 | line = fd.readline() |
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359 | line = "#geo_yeah" |
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360 | new_g = Geo_reference(ASCIIFile=fd, read_title=line) |
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361 | fd.close() |
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362 | os.remove(file_name) |
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363 | |
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364 | self.failUnless(g == new_g, 'test_read_write_ASCII failed') |
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365 | |
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366 | # this tests a pass |
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367 | g = Geo_reference(56,1.9,1.9) |
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368 | file_name = tempfile.mktemp(".geo_referenceTest") |
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369 | fd = open(file_name,'w') |
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370 | g.write_ASCII(fd) |
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371 | fd.close() |
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372 | |
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373 | fd = open(file_name,'r') |
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374 | line = fd.readline() |
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375 | line = "#geo crap" |
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376 | new_g = Geo_reference(ASCIIFile=fd, read_title=line) |
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377 | fd.close() |
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378 | os.remove(file_name) |
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379 | |
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380 | self.failUnless(g == new_g, 'test_read_write_ASCII failed') |
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381 | |
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382 | def test_good_title(self): |
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383 | # create an .xxx file |
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384 | point_file = tempfile.mktemp(".xxx") |
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385 | fd = open(point_file,'w') |
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386 | fd.write("#Geo crap \n 56\n ") |
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387 | fd.close() |
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388 | |
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389 | fd = open(point_file,'r') |
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390 | # |
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391 | #new_g = Geo_reference(ASCIIFile=fd) |
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392 | try: |
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393 | new_g = Geo_reference(ASCIIFile=fd) |
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394 | fd.close() |
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395 | os.remove(point_file) |
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396 | except ValueError: |
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397 | fd.close() |
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398 | os.remove(point_file) |
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399 | else: |
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400 | self.failUnless(0 ==1, |
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401 | 'bad text file did not raise error!') |
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402 | os.remove(point_file) |
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403 | |
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404 | def test_error_message_ShapeError(self): |
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405 | |
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406 | new_g = Geo_reference() |
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407 | try: |
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408 | new_g.get_absolute((8.9, 7.8, 9.0)) |
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409 | except ShapeError: |
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410 | pass |
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411 | else: |
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412 | self.failUnless(0 ==1, |
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413 | 'bad shape did not raise error!') |
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414 | os.remove(point_file) |
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415 | |
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416 | new_g = Geo_reference() |
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417 | try: |
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418 | new_g.get_absolute(((8.9, 7.8, 9.0))) |
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419 | except ShapeError: |
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420 | pass |
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421 | else: |
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422 | self.failUnless(0 ==1, |
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423 | 'bad shape did not raise error!') |
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424 | os.remove(point_file) |
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425 | |
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426 | def test_functionality_get_absolute(self): |
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427 | x0 = 1000.0 |
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428 | y0 = 2000.0 |
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429 | geo = Geo_reference(56, x0, y0) |
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430 | |
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431 | # iterable points (*not* num.array()) |
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432 | points = ((2,3), (3,1), (5,2)) |
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433 | abs_points = geo.get_absolute(points) |
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434 | # check we haven't changed 'points' itself |
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435 | self.failIf(num.alltrue(abs_points == points)) |
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436 | new_points = abs_points.copy() |
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437 | new_points[:,0] -= x0 |
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438 | new_points[:,1] -= y0 |
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439 | self.failUnless(num.alltrue(new_points == points)) |
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440 | |
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441 | # points in num.array() |
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442 | points = num.array(((2,3), (3,1), (5,2)), num.Float) |
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443 | abs_points = geo.get_absolute(points) |
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444 | # check we haven't changed 'points' itself |
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445 | self.failIf(num.alltrue(abs_points == points)) |
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446 | new_points = abs_points.copy() |
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447 | new_points[:,0] -= x0 |
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448 | new_points[:,1] -= y0 |
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449 | self.failUnless(num.alltrue(new_points == points)) |
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450 | |
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451 | def test_georef_types(self): |
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452 | '''Ensure that attributes of a georeference are of correct type. |
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453 | |
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454 | zone int |
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455 | false_easting int |
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456 | false_northing int |
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457 | xllcorner float |
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458 | yllcorner float |
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459 | ''' |
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460 | |
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461 | from Scientific.IO.NetCDF import NetCDFFile |
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462 | |
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463 | # ensure that basic instance attributes are correct |
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464 | g = Geo_reference(56, 1.8, 1.8) |
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465 | self.failUnless(isinstance(g.zone, int), |
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466 | "geo_ref .zone should be 'int' type, " |
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467 | "was '%s' type" % type(g.zone)) |
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468 | self.failUnless(isinstance(g.false_easting, int), |
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469 | "geo_ref .false_easting should be int type, " |
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470 | "was '%s' type" % type(g.false_easting)) |
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471 | self.failUnless(isinstance(g.false_northing, int), |
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472 | "geo_ref .false_northing should be int type, " |
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473 | "was '%s' type" % type(g.false_northing)) |
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474 | self.failUnless(isinstance(g.xllcorner, float), |
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475 | "geo_ref .xllcorner should be float type, " |
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476 | "was '%s' type" % type(g.xllcorner)) |
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477 | self.failUnless(isinstance(g.yllcorner, float), |
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478 | "geo_ref .yllcorner should be float type, " |
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479 | "was '%s' type" % type(g.yllcorner)) |
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480 | |
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481 | # now write fikle, read back and check types again |
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482 | file_name = tempfile.mktemp(".geo_referenceTest") |
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483 | |
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484 | out_file = NetCDFFile(file_name, 'w') |
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485 | g.write_NetCDF(out_file) |
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486 | out_file.close() |
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487 | |
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488 | in_file = NetCDFFile(file_name, 'r') |
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489 | new_g = Geo_reference(NetCDFObject=in_file) |
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490 | in_file.close() |
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491 | os.remove(file_name) |
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492 | |
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493 | self.failUnless(isinstance(new_g.zone, int), |
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494 | "geo_ref .zone should be 'int' type, " |
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495 | "was '%s' type" % type(new_g.zone)) |
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496 | self.failUnless(isinstance(new_g.false_easting, int), |
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497 | "geo_ref .false_easting should be int type, " |
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498 | "was '%s' type" % type(new_g.false_easting)) |
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499 | self.failUnless(isinstance(new_g.false_northing, int), |
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500 | "geo_ref .false_northing should be int type, " |
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501 | "was '%s' type" % type(new_g.false_northing)) |
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502 | self.failUnless(isinstance(new_g.xllcorner, float), |
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503 | "geo_ref .xllcorner should be float type, " |
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504 | "was '%s' type" % type(new_g.xllcorner)) |
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505 | self.failUnless(isinstance(new_g.yllcorner, float), |
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506 | "geo_ref .yllcorner should be float type, " |
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507 | "was '%s' type" % type(new_g.yllcorner)) |
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508 | |
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509 | def test_georef_types_coerceable(self): |
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510 | '''Ensure that attributes of a georeference are of correct type. |
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511 | |
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512 | zone int |
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513 | false_easting int |
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514 | false_northing int |
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515 | xllcorner float |
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516 | yllcorner float |
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517 | ''' |
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518 | |
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519 | # now provide wrong types but coerceable |
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520 | g = Geo_reference(56.0, '1.8', '1.8') |
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521 | self.failUnless(isinstance(g.zone, int), |
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522 | "geo_ref .zone should be 'int' type, " |
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523 | "was '%s' type" % type(g.zone)) |
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524 | self.failUnless(isinstance(g.false_easting, int), |
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525 | "geo_ref .false_easting should be int type, " |
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526 | "was '%s' type" % type(g.false_easting)) |
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527 | self.failUnless(isinstance(g.false_northing, int), |
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528 | "geo_ref .false_northing should be int type, " |
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529 | "was '%s' type" % type(g.false_northing)) |
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530 | self.failUnless(isinstance(g.xllcorner, float), |
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531 | "geo_ref .xllcorner should be float type, " |
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532 | "was '%s' type" % type(g.xllcorner)) |
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533 | self.failUnless(isinstance(g.yllcorner, float), |
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534 | "geo_ref .yllcorner should be float type, " |
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535 | "was '%s' type" % type(g.yllcorner)) |
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536 | |
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537 | |
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538 | #------------------------------------------------------------- |
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539 | if __name__ == "__main__": |
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540 | |
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541 | suite = unittest.makeSuite(geo_referenceTestCase,'test') |
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542 | runner = unittest.TextTestRunner() #verbosity=2) |
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543 | runner.run(suite) |
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544 | |
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