1 | #!/usr/bin/env python |
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2 | |
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3 | import tempfile |
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4 | import unittest |
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5 | import os |
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6 | from anuga.pmesh.mesh import importMeshFromFile |
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7 | from anuga.pmesh.mesh_interface import create_mesh_from_regions |
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8 | |
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9 | from anuga.pmesh.mesh_interface import _create_mesh_from_regions |
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10 | |
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11 | from load_mesh.loadASCII import * |
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12 | from anuga.utilities.polygon import is_inside_polygon |
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13 | from anuga.coordinate_transforms.geo_reference import Geo_reference,DEFAULT_ZONE |
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14 | |
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15 | |
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16 | class TestCase(unittest.TestCase): |
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17 | def setUp(self): |
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18 | pass |
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19 | |
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20 | def tearDown(self): |
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21 | pass |
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22 | |
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23 | def test_create_mesh_from_regions(self): |
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24 | x=-500 |
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25 | y=-1000 |
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26 | mesh_geo = geo_reference=Geo_reference(56, x, y) |
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27 | |
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28 | # These are the absolute values |
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29 | polygon_absolute = [[0,0], [100,0], [100,100], [0,100]] |
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30 | |
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31 | x_p = -10 |
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32 | y_p = -40 |
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33 | geo_ref_poly = Geo_reference(56, x_p, y_p) |
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34 | polygon = geo_ref_poly.change_points_geo_ref(polygon_absolute) |
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35 | |
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36 | boundary_tags = {'walls': [0,1], 'bom': [2,3]} |
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37 | |
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38 | inner1_polygon_absolute = [[10,10], [20,10], [20,20], [10,20]] |
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39 | inner1_polygon = geo_ref_poly.\ |
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40 | change_points_geo_ref(inner1_polygon_absolute) |
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41 | |
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42 | inner2_polygon_absolute = [[30,30], [40,30], [40,40], [30,40]] |
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43 | inner2_polygon = geo_ref_poly.\ |
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44 | change_points_geo_ref(inner2_polygon_absolute) |
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45 | |
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46 | interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)] |
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47 | |
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48 | m = create_mesh_from_regions(polygon, |
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49 | boundary_tags, |
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50 | 10000000, |
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51 | interior_regions=interior_regions, |
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52 | poly_geo_reference=geo_ref_poly, |
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53 | mesh_geo_reference=mesh_geo) |
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54 | |
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55 | # Test the mesh instance |
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56 | self.failUnless(len(m.regions)==3, 'FAILED!') |
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57 | segs = m.getUserSegments() |
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58 | self.failUnless(len(segs)==12, 'FAILED!') |
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59 | self.failUnless(len(m.userVertices)==12, 'FAILED!') |
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60 | self.failUnless(segs[0].tag=='walls', 'FAILED!') |
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61 | self.failUnless(segs[1].tag=='walls', 'FAILED!') |
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62 | self.failUnless(segs[2].tag=='bom', 'FAILED!') |
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63 | self.failUnless(segs[3].tag=='bom', 'FAILED!') |
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64 | |
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65 | # Assuming the order of the region points is known. |
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66 | # (This isn't true, if you consider create_mesh_from_regions |
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67 | # a black box) |
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68 | poly_point = m.getRegions()[0] |
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69 | |
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70 | # poly_point values are relative to the mesh geo-ref |
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71 | # make them absolute |
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72 | msg = ('Expected point (%s,%s) to be inside polygon %s' |
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73 | % (str(poly_point.x+x), str(poly_point.y+y), |
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74 | str(polygon_absolute))) |
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75 | self.failUnless(is_inside_polygon([poly_point.x+x, poly_point.y+y], |
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76 | polygon_absolute, closed=False), |
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77 | msg) |
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78 | # 'FAILED!') |
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79 | |
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80 | # Assuming the order of the region points is known. |
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81 | # (This isn't true, if you consider create_mesh_from_regions |
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82 | # a black box) |
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83 | poly_point = m.getRegions()[1] |
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84 | |
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85 | # poly_point values are relative to the mesh geo-ref |
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86 | # make them absolute |
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87 | self.failUnless(is_inside_polygon([poly_point.x+x, poly_point.y+y], |
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88 | inner1_polygon_absolute, |
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89 | closed=False), |
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90 | 'FAILED!') |
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91 | |
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92 | # Assuming the order of the region points is known. |
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93 | # (This isn't true, if you consider create_mesh_from_regions |
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94 | # a black box) |
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95 | poly_point = m.getRegions()[2] |
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96 | |
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97 | # poly_point values are relative to the mesh geo-ref |
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98 | # make them absolute |
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99 | self.failUnless(is_inside_polygon([poly_point.x+x, poly_point.y+y], |
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100 | inner2_polygon_absolute, |
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101 | closed=False), |
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102 | 'FAILED!') |
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103 | |
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104 | def test_create_mesh_from_regions_with_caching(self): |
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105 | x=-500 |
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106 | y=-1000 |
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107 | mesh_geo = geo_reference=Geo_reference(56, x, y) |
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108 | |
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109 | # These are the absolute values |
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110 | polygon_absolute = [[0,0], [100,0], [100,100], [0,100]] |
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111 | |
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112 | x_p = -10 |
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113 | y_p = -40 |
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114 | geo_ref_poly = Geo_reference(56, x_p, y_p) |
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115 | polygon = geo_ref_poly.change_points_geo_ref(polygon_absolute) |
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116 | |
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117 | boundary_tags = {'walls': [0,1], 'bom': [2,3]} |
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118 | |
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119 | inner1_polygon_absolute = [[10,10], [20,10], [20,20], [10,20]] |
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120 | inner1_polygon = geo_ref_poly.\ |
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121 | change_points_geo_ref(inner1_polygon_absolute) |
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122 | |
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123 | inner2_polygon_absolute = [[30,30], [40,30], [40,40], [30,40]] |
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124 | inner2_polygon = geo_ref_poly.\ |
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125 | change_points_geo_ref(inner2_polygon_absolute) |
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126 | |
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127 | interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)] |
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128 | |
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129 | interior_holes = None |
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130 | |
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131 | # Clear cache first |
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132 | from anuga.caching import cache |
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133 | |
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134 | cache(_create_mesh_from_regions, |
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135 | (polygon, boundary_tags), |
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136 | {'minimum_triangle_angle': 28.0, |
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137 | 'maximum_triangle_area': 10000000, |
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138 | 'interior_regions': interior_regions, |
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139 | 'interior_holes': interior_holes, |
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140 | 'poly_geo_reference': geo_ref_poly, |
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141 | 'mesh_geo_reference': mesh_geo, |
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142 | 'verbose': False}, |
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143 | verbose=False, |
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144 | clear=1) |
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145 | |
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146 | m = create_mesh_from_regions(polygon, |
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147 | boundary_tags, |
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148 | maximum_triangle_area=10000000, |
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149 | interior_regions=interior_regions, |
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150 | poly_geo_reference=geo_ref_poly, |
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151 | mesh_geo_reference=mesh_geo, |
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152 | verbose=False, |
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153 | use_cache=True) |
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154 | |
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155 | |
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156 | # Test the mesh instance |
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157 | self.failUnless(len(m.regions)==3, 'FAILED!') |
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158 | segs = m.getUserSegments() |
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159 | self.failUnless(len(segs)==12, 'FAILED!') |
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160 | self.failUnless(len(m.userVertices)==12, 'FAILED!') |
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161 | self.failUnless(segs[0].tag=='walls', 'FAILED!') |
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162 | self.failUnless(segs[1].tag=='walls', 'FAILED!') |
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163 | self.failUnless(segs[2].tag=='bom', 'FAILED!') |
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164 | self.failUnless(segs[3].tag=='bom', 'FAILED!') |
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165 | |
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166 | # Assuming the order of the region points is known. |
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167 | # (This isn't true, if you consider create_mesh_from_regions |
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168 | # a black box) |
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169 | poly_point = m.getRegions()[0] |
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170 | |
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171 | # poly_point values are relative to the mesh geo-ref |
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172 | # make them absolute |
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173 | self.failUnless(is_inside_polygon([poly_point.x+x, poly_point.y+y], |
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174 | polygon_absolute, |
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175 | closed=False), |
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176 | 'FAILED!') |
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177 | |
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178 | # Assuming the order of the region points is known. |
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179 | # (This isn't true, if you consider create_mesh_from_regions |
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180 | # a black box) |
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181 | poly_point = m.getRegions()[1] |
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182 | |
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183 | # poly_point values are relative to the mesh geo-ref |
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184 | # make them absolute |
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185 | self.failUnless(is_inside_polygon([poly_point.x+x, poly_point.y+y], |
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186 | inner1_polygon_absolute, |
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187 | closed=False), |
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188 | 'FAILED!') |
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189 | |
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190 | # Assuming the order of the region points is known. |
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191 | # (This isn't true, if you consider create_mesh_from_regions |
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192 | # a black box) |
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193 | poly_point = m.getRegions()[2] |
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194 | |
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195 | # poly_point values are relative to the mesh geo-ref |
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196 | # make them absolute |
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197 | self.failUnless(is_inside_polygon([poly_point.x+x, poly_point.y+y], |
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198 | inner2_polygon_absolute, |
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199 | closed=False), |
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200 | 'FAILED!') |
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201 | |
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202 | # Now create m using cached values |
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203 | m_cache = create_mesh_from_regions(polygon, |
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204 | boundary_tags, |
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205 | 10000000, |
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206 | interior_regions=interior_regions, |
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207 | poly_geo_reference=geo_ref_poly, |
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208 | mesh_geo_reference=mesh_geo, |
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209 | verbose=False, |
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210 | use_cache=True) |
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211 | |
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212 | def test_create_mesh_from_regions2(self): |
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213 | # These are the absolute values |
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214 | min_x = -10 |
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215 | min_y = -88 |
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216 | polygon_absolute = [[min_x,min_y], [1000,100], [1000,1000], [100,1000]] |
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217 | |
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218 | x_p = -10 |
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219 | y_p = -40 |
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220 | zone = 808 |
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221 | geo_ref_poly = Geo_reference(zone, x_p, y_p) |
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222 | polygon = geo_ref_poly.change_points_geo_ref(polygon_absolute) |
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223 | |
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224 | boundary_tags = {'walls': [0,1], 'bom': [2,3]} |
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225 | |
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226 | inner1_polygon_absolute = [[10,10], [20,10], [20,20], [10,20]] |
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227 | inner1_polygon = geo_ref_poly.\ |
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228 | change_points_geo_ref(inner1_polygon_absolute) |
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229 | |
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230 | inner2_polygon_absolute = [[30,30], [40,30], [40,40], [30,40]] |
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231 | inner2_polygon = geo_ref_poly.\ |
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232 | change_points_geo_ref(inner2_polygon_absolute) |
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233 | |
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234 | interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)] |
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235 | m = create_mesh_from_regions(polygon, |
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236 | boundary_tags, |
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237 | 10000000, |
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238 | interior_regions=interior_regions, |
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239 | poly_geo_reference=geo_ref_poly) |
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240 | |
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241 | # Test the mesh instance |
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242 | self.failUnless(len(m.regions)==3, 'FAILED!') |
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243 | segs = m.getUserSegments() |
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244 | self.failUnless(len(segs)==12, 'FAILED!') |
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245 | self.failUnless(len(m.userVertices)==12, 'FAILED!') |
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246 | self.failUnless(segs[0].tag=='walls', 'FAILED!') |
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247 | self.failUnless(segs[1].tag=='walls', 'FAILED!') |
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248 | self.failUnless(segs[2].tag=='bom', 'FAILED!') |
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249 | self.failUnless(segs[3].tag=='bom', 'FAILED!') |
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250 | self.failUnless(m.geo_reference.get_zone()==zone, 'FAILED!') |
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251 | self.failUnless(m.geo_reference.get_xllcorner()==min_x, 'FAILED!') |
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252 | self.failUnless(m.geo_reference.get_yllcorner()==min_y, 'FAILED!') |
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253 | |
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254 | def test_create_mesh_from_regions3(self): |
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255 | # These are the absolute values |
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256 | min_x = -10 |
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257 | min_y = -88 |
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258 | polygon = [[min_x,min_y], [1000,100], [1000,1000], [100,1000]] |
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259 | |
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260 | |
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261 | x_p = -10 |
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262 | y_p = -40 |
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263 | geo_ref_poly = Geo_reference(56, x_p, y_p) |
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264 | |
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265 | boundary_tags = {'walls': [0,1], 'bom': [2,3]} |
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266 | |
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267 | inner1_polygon_absolute = [[10,10], [20,10], [20,20], [10,20]] |
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268 | inner1_polygon = geo_ref_poly.\ |
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269 | change_points_geo_ref(inner1_polygon_absolute) |
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270 | |
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271 | inner2_polygon_absolute = [[30,30], [40,30], [40,40], [30,40]] |
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272 | inner2_polygon = geo_ref_poly.\ |
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273 | change_points_geo_ref(inner2_polygon_absolute) |
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274 | |
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275 | interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)] |
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276 | m = create_mesh_from_regions(polygon, |
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277 | boundary_tags, |
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278 | 10000000, |
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279 | interior_regions=interior_regions) |
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280 | |
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281 | # Test the mesh instance |
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282 | self.failUnless(len(m.regions) == 3, 'FAILED!') |
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283 | segs = m.getUserSegments() |
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284 | self.failUnless(len(segs) == 12, 'FAILED!') |
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285 | self.failUnless(len(m.userVertices) == 12, 'FAILED!') |
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286 | self.failUnless(segs[0].tag == 'walls', 'FAILED!') |
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287 | self.failUnless(segs[1].tag == 'walls', 'FAILED!') |
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288 | self.failUnless(segs[2].tag == 'bom', 'FAILED!') |
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289 | self.failUnless(segs[3].tag == 'bom', 'FAILED!') |
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290 | self.failUnless(m.geo_reference.get_zone() == DEFAULT_ZONE, 'FAILED!') |
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291 | self.failUnless(m.geo_reference.get_xllcorner() == min_x, 'FAILED!') |
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292 | self.failUnless(m.geo_reference.get_yllcorner() == min_y, 'FAILED!') |
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293 | |
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294 | def test_create_mesh_from_regions4(self): |
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295 | file_name = tempfile.mktemp('.tsh') |
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296 | |
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297 | # These are the absolute values |
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298 | density_outer = 1000 |
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299 | min_outer = 0 |
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300 | max_outer = 1000 |
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301 | polygon_outer = [[min_outer,min_outer], [max_outer,min_outer], |
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302 | [max_outer,max_outer], [min_outer,max_outer]] |
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303 | |
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304 | density_inner1 = 10000000 |
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305 | inner_buffer = 100 |
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306 | min_inner1 = min_outer + inner_buffer |
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307 | max_inner1 = max_outer - inner_buffer |
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308 | inner1_polygon = [[min_inner1,min_inner1], [max_inner1,min_inner1], |
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309 | [max_inner1,max_inner1], [min_inner1,max_inner1]] |
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310 | |
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311 | boundary_tags = {'walls': [0,1], 'bom': [2,3]} |
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312 | |
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313 | interior_regions = [(inner1_polygon, density_inner1)] |
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314 | create_mesh_from_regions(polygon_outer, |
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315 | boundary_tags, |
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316 | density_outer, |
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317 | interior_regions=interior_regions, |
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318 | filename=file_name, verbose=False) |
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319 | |
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320 | m = importMeshFromFile(file_name) |
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321 | |
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322 | self.failUnless(len(m.getTriangulation()) <= 900, |
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323 | 'Test mesh interface failed!') |
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324 | self.failUnless(len(m.getTriangulation()) >= 200, |
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325 | 'Test mesh interface failed!') |
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326 | |
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327 | create_mesh_from_regions(polygon_outer, |
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328 | boundary_tags, |
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329 | interior_regions=interior_regions, |
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330 | filename=file_name, |
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331 | verbose=False) |
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332 | |
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333 | m = importMeshFromFile(file_name) |
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334 | |
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335 | self.failUnless(len(m.getTriangulation()) <= 100, |
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336 | 'Test mesh interface failed!') |
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337 | |
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338 | os.remove(file_name) |
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339 | |
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340 | def test_create_mesh_from_regions5(self): |
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341 | file_name = tempfile.mktemp('.tsh') |
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342 | |
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343 | # These are the absolute values |
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344 | density_outer = 10000000 |
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345 | min_outer = 0 |
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346 | max_outer = 1000 |
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347 | polygon_outer = [[min_outer,min_outer], [max_outer,min_outer], |
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348 | [max_outer,max_outer], [min_outer,max_outer]] |
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349 | |
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350 | density_inner1 = 1000 |
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351 | inner_buffer = 100 |
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352 | min_inner1 = min_outer + inner_buffer |
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353 | max_inner1 = max_outer - inner_buffer |
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354 | inner1_polygon = [[min_inner1,min_inner1], [max_inner1,min_inner1], |
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355 | [max_inner1,max_inner1], [min_inner1,max_inner1]] |
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356 | |
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357 | boundary_tags = {'walls': [0,1], 'bom': [2,3]} |
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358 | |
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359 | interior_regions = [(inner1_polygon, density_inner1)] |
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360 | create_mesh_from_regions(polygon_outer, |
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361 | boundary_tags, |
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362 | density_outer, |
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363 | interior_regions=interior_regions, |
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364 | filename=file_name, |
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365 | verbose=False) |
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366 | |
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367 | m = importMeshFromFile(file_name) |
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368 | self.failUnless(len(m.getTriangulation()) <= 2000, |
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369 | 'Test mesh interface failed!') |
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370 | self.failUnless(len(m.getTriangulation()) >= 900, |
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371 | 'Test mesh interface failed!') |
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372 | |
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373 | os.remove(file_name) |
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374 | |
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375 | def test_create_mesh_from_regions6(self): |
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376 | file_name = tempfile.mktemp('.tsh') |
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377 | |
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378 | # These are the absolute values |
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379 | density_outer = 1000 |
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380 | min_outer = 0 |
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381 | max_outer = 1000 |
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382 | polygon_outer = [[min_outer,min_outer], [max_outer,min_outer], |
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383 | [max_outer,max_outer], [min_outer,max_outer]] |
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384 | |
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385 | delta = 10 |
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386 | density_inner1 = 1000 |
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387 | min_inner1 = min_outer + delta |
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388 | max_inner1 = max_outer - delta |
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389 | inner1_polygon = [[min_inner1,min_inner1], [max_inner1,min_inner1], |
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390 | [max_inner1,max_inner1], [min_inner1,max_inner1]] |
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391 | |
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392 | density_inner2 = 10000000 |
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393 | min_inner2 = min_outer + 2*delta |
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394 | max_inner2 = max_outer - 2*delta |
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395 | inner2_polygon = [[min_inner2,min_inner2], [max_inner2,min_inner2], |
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396 | [max_inner2,max_inner2], [min_inner2,max_inner2]] |
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397 | |
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398 | boundary_tags = {'walls': [0,1], 'bom': [2,3]} |
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399 | |
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400 | interior_regions = [(inner1_polygon, density_inner1), |
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401 | (inner2_polygon, density_inner2)] |
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402 | create_mesh_from_regions(polygon_outer, |
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403 | boundary_tags, |
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404 | density_outer, |
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405 | interior_regions=interior_regions, |
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406 | filename=file_name, |
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407 | verbose=False) |
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408 | |
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409 | m = importMeshFromFile(file_name) |
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410 | self.failUnless(len(m.getTriangulation()) <= 2000, |
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411 | 'Test mesh interface failed!') |
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412 | self.failUnless(len(m.getTriangulation()) >= 900, |
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413 | 'Test mesh interface failed!') |
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414 | |
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415 | os.remove(file_name) |
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416 | |
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417 | def test_create_mesh_from_regions7(self): |
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418 | file_name = tempfile.mktemp('.tsh') |
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419 | |
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420 | # These are the absolute values |
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421 | density_outer = 1001 |
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422 | min_outer = 0 |
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423 | max_outer = 1000 |
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424 | polygon_outer = [[min_outer,min_outer], [max_outer,min_outer], |
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425 | [max_outer,max_outer], [min_outer,max_outer]] |
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426 | |
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427 | delta = 10 |
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428 | density_inner1 = 100000000 |
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429 | min_inner1 = min_outer + delta |
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430 | max_inner1 = max_outer - delta |
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431 | inner1_polygon = [[min_inner1,min_inner1], [max_inner1,min_inner1], |
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432 | [max_inner1,max_inner1], [min_inner1,max_inner1]] |
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433 | |
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434 | density_inner2 = 1000 |
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435 | min_inner2 = min_outer + 2*delta |
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436 | max_inner2 = max_outer - 2*delta |
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437 | inner2_polygon = [[min_inner2,min_inner2], [max_inner2,min_inner2], |
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438 | [max_inner2,max_inner2], [min_inner2,max_inner2]] |
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439 | |
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440 | boundary_tags = {'walls': [0,1], 'bom': [2,3]} |
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441 | |
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442 | # Note the list order is important |
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443 | # The last region added will be the region triangle uses, |
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444 | # if two regions points are in the same bounded area. |
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445 | interior_regions = [(inner2_polygon, density_inner2), |
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446 | (inner1_polygon, density_inner1)] |
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447 | create_mesh_from_regions(polygon_outer, |
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448 | boundary_tags, |
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449 | density_outer, |
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450 | interior_regions=interior_regions, |
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451 | filename=file_name, |
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452 | verbose=False) |
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453 | |
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454 | m = importMeshFromFile(file_name) |
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455 | self.failUnless(len(m.getTriangulation()) <= 3000, |
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456 | 'Test mesh interface failed!') |
---|
457 | self.failUnless(len(m.getTriangulation()) >= 2000, |
---|
458 | 'Test mesh interface failed!') |
---|
459 | |
---|
460 | os.remove(file_name) |
---|
461 | |
---|
462 | def test_create_mesh_from_regions_interior_regions(self): |
---|
463 | '''Test that create_mesh_from_regions fails when an interior |
---|
464 | region is outside bounding polygon. |
---|
465 | ''' |
---|
466 | |
---|
467 | # These are the absolute values |
---|
468 | min_x = 10 |
---|
469 | min_y = 88 |
---|
470 | polygon = [[min_x,min_y], [1000,100], [1000,1000], [100,1000]] |
---|
471 | |
---|
472 | boundary_tags = {'walls': [0,1], 'bom': [2,3]} |
---|
473 | |
---|
474 | # This one is inside bounding polygon - should pass |
---|
475 | inner_polygon = [[800,400], [900,500], [800,600]] |
---|
476 | |
---|
477 | interior_regions = [(inner_polygon, 5)] |
---|
478 | m = create_mesh_from_regions(polygon, |
---|
479 | boundary_tags, |
---|
480 | 10000000, |
---|
481 | interior_regions=interior_regions) |
---|
482 | |
---|
483 | # This one sticks outside bounding polygon - should fail |
---|
484 | inner_polygon = [[800,400], [900,500], [800,600], [200, 995]] |
---|
485 | inner_polygon1 = [[800,400], [1100,500], [800,600]] |
---|
486 | interior_regions = [[inner_polygon, 50], [inner_polygon1, 50]] |
---|
487 | |
---|
488 | try: |
---|
489 | m = create_mesh_from_regions(polygon, |
---|
490 | boundary_tags, |
---|
491 | 10000000, |
---|
492 | interior_regions=interior_regions, |
---|
493 | verbose=False) |
---|
494 | except: |
---|
495 | pass |
---|
496 | else: |
---|
497 | msg = 'Interior polygon sticking outside bounding polygon should ' |
---|
498 | msg += 'cause an Exception to be raised' |
---|
499 | raise Exception, msg |
---|
500 | |
---|
501 | def test_create_mesh_from_regions_interior_regions1(self): |
---|
502 | '''Test that create_mesh_from_regions fails |
---|
503 | when an interior region is outside bounding polygon. |
---|
504 | ''' |
---|
505 | |
---|
506 | # These are the values |
---|
507 | d0 = [310000, 7690000] |
---|
508 | d1 = [280000, 7690000] |
---|
509 | d2 = [270000, 7645000] |
---|
510 | d3 = [240000, 7625000] |
---|
511 | d4 = [270000, 7580000] |
---|
512 | d5 = [300000, 7590000] |
---|
513 | d6 = [340000, 7610000] |
---|
514 | poly_all = [d0, d1, d2, d3, d4, d5, d6] |
---|
515 | |
---|
516 | i0 = [304000, 7607000] |
---|
517 | i1 = [302000, 7605000] |
---|
518 | i2 = [304000, 7603000] |
---|
519 | i3 = [307000, 7602000] |
---|
520 | i4 = [309000, 7603000] |
---|
521 | # i4 = [310000, 7580000] |
---|
522 | i5 = [307000, 7606000] |
---|
523 | poly_onslow = [i0, i1, i2, i3, i4, i5] |
---|
524 | |
---|
525 | # Thevenard Island |
---|
526 | j0 = [294000, 7629000] |
---|
527 | j1 = [285000, 7625000] |
---|
528 | j2 = [294000, 7621000] |
---|
529 | j3 = [299000, 7625000] |
---|
530 | poly_thevenard = [j0, j1, j2, j3] |
---|
531 | |
---|
532 | # med res around onslow |
---|
533 | l0 = [300000, 7610000] |
---|
534 | l1 = [285000, 7600000] |
---|
535 | l2 = [300000, 7597500] |
---|
536 | l3 = [310000, 7770000] # this one is outside |
---|
537 | # l3 = [310000, 7630000] # this one is NOT outside |
---|
538 | l4 = [315000, 7610000] |
---|
539 | poly_coast = [l0, l1, l2, l3, l4] |
---|
540 | |
---|
541 | # general coast and local area to onslow region |
---|
542 | m0 = [270000, 7581000] |
---|
543 | m1 = [300000, 7591000] |
---|
544 | m2 = [339000, 7610000] |
---|
545 | m3 = [330000, 7630000] |
---|
546 | m4 = [290000, 7640000] |
---|
547 | m5 = [260000, 7600000] |
---|
548 | poly_region = [m0, m1, m2, m3, m4, m5] |
---|
549 | |
---|
550 | # This one sticks outside bounding polygon - should fail |
---|
551 | interior_regions = [[poly_onslow, 50000], [poly_region, 50000], |
---|
552 | [poly_coast, 100000], [poly_thevenard, 100000]] |
---|
553 | boundary_tags = {'walls': [0,1], 'bom': [2]} |
---|
554 | |
---|
555 | try: |
---|
556 | m = create_mesh_from_regions(poly_all, |
---|
557 | boundary_tags, |
---|
558 | 10000000, |
---|
559 | interior_regions=interior_regions, |
---|
560 | verbose=False) |
---|
561 | except: |
---|
562 | pass |
---|
563 | else: |
---|
564 | msg = 'Interior polygon sticking outside bounding polygon should ' |
---|
565 | msg += 'cause an Exception to be raised' |
---|
566 | raise Exception, msg |
---|
567 | |
---|
568 | def FIXME_test_create_mesh_with_multiply_tagged_segments(self): |
---|
569 | '''Test that create_mesh_from_regions fails when |
---|
570 | segments are listed repeatedly in boundary_tags. |
---|
571 | ''' |
---|
572 | |
---|
573 | # These are the absolute values |
---|
574 | min_x = 10 |
---|
575 | min_y = 88 |
---|
576 | polygon = [[min_x,min_y], [1000,100], [1000,1000], [100,1000]] |
---|
577 | boundary_tags = {'walls': [0,1], 'bom': [1,2]} |
---|
578 | |
---|
579 | # This one is inside bounding polygon - should pass |
---|
580 | inner_polygon = [[800,400], [900,500], [800,600]] |
---|
581 | interior_regions = [(inner_polygon, 5)] |
---|
582 | m = create_mesh_from_regions(polygon, |
---|
583 | boundary_tags, |
---|
584 | 10000000, |
---|
585 | interior_regions=interior_regions, |
---|
586 | verbose=False) |
---|
587 | |
---|
588 | # This one sticks outside bounding polygon - should fail |
---|
589 | inner_polygon = [[800,400], [900,500], [800,600]] |
---|
590 | interior_regions = [(inner_polygon, 5)] |
---|
591 | |
---|
592 | m = create_mesh_from_regions(polygon, |
---|
593 | boundary_tags, |
---|
594 | 10000000, |
---|
595 | interior_regions=interior_regions) |
---|
596 | try: |
---|
597 | m = create_mesh_from_regions(polygon, |
---|
598 | boundary_tags, |
---|
599 | 10000000, |
---|
600 | interior_regions=interior_regions) |
---|
601 | except: |
---|
602 | pass |
---|
603 | else: |
---|
604 | msg = 'Tags are listed repeatedly, but create mesh from regions ' |
---|
605 | msg += 'does not cause an Exception to be raised' |
---|
606 | raise Exception, msg |
---|
607 | |
---|
608 | |
---|
609 | def test_create_mesh_with_segments_out_of_bounds(self): |
---|
610 | """Test that create_mesh_from_regions fails when a segment is out of bounds. |
---|
611 | """ |
---|
612 | |
---|
613 | # These are the absolute values |
---|
614 | min_x = 10 |
---|
615 | min_y = 88 |
---|
616 | polygon = [[min_x,min_y],[1000,100],[1000,1000],[100,1000]] |
---|
617 | |
---|
618 | |
---|
619 | boundary_tags = {'walls': [0,1], 'bom':[2,3], 'out': [5]} |
---|
620 | |
---|
621 | # This one is inside bounding polygon - should pass |
---|
622 | inner_polygon = [[800,400],[900,500],[800,600]] |
---|
623 | |
---|
624 | interior_regions = [(inner_polygon, 5)] |
---|
625 | |
---|
626 | |
---|
627 | try: |
---|
628 | m = create_mesh_from_regions(polygon, |
---|
629 | boundary_tags, |
---|
630 | 10000000, |
---|
631 | interior_regions=interior_regions) |
---|
632 | except: |
---|
633 | pass |
---|
634 | else: |
---|
635 | msg = 'Tags are listed repeatedly, but create mesh from regions ' |
---|
636 | msg += 'does not cause an Exception to be raised' |
---|
637 | raise Exception, msg |
---|
638 | |
---|
639 | |
---|
640 | |
---|
641 | |
---|
642 | def test_create_mesh_from_regions_with_duplicate_verts(self): |
---|
643 | # These are the absolute values |
---|
644 | polygon_absolute = [[0.0, 0.0], |
---|
645 | [0, 4.0], |
---|
646 | [4.0, 4.0], |
---|
647 | [4.0, 0.0], |
---|
648 | [4.0, 0.0]] |
---|
649 | x_p = -10 |
---|
650 | y_p = -40 |
---|
651 | zone = 808 |
---|
652 | geo_ref_poly = Geo_reference(zone, x_p, y_p) |
---|
653 | polygon = geo_ref_poly.change_points_geo_ref(polygon_absolute) |
---|
654 | boundary_tags = {'50': [0], |
---|
655 | '40': [1], |
---|
656 | '30': [2], |
---|
657 | 'no where seg': [3], |
---|
658 | '20': [4]} |
---|
659 | m = create_mesh_from_regions(polygon, |
---|
660 | boundary_tags, |
---|
661 | 10000000, |
---|
662 | poly_geo_reference=geo_ref_poly, |
---|
663 | verbose=False) |
---|
664 | |
---|
665 | fileName = 'badmesh.tsh' |
---|
666 | #m.export_mesh_file(fileName) |
---|
667 | |
---|
668 | def concept_create_mesh_from_regions_with_ungenerate(self): |
---|
669 | x=0 |
---|
670 | y=0 |
---|
671 | mesh_geo = geo_reference=Geo_reference(56, x, y) |
---|
672 | |
---|
673 | # These are the absolute values |
---|
674 | polygon_absolute = [[0,0], [100,0], [100,100], [0,100]] |
---|
675 | x_p = -10 |
---|
676 | y_p = -40 |
---|
677 | geo_ref_poly = Geo_reference(56, x_p, y_p) |
---|
678 | polygon = geo_ref_poly.change_points_geo_ref(polygon_absolute) |
---|
679 | |
---|
680 | boundary_tags = {'walls': [0,1], 'bom': [2]} |
---|
681 | |
---|
682 | inner1_polygon_absolute = [[10,10], [20,10], [20,20], [10,20]] |
---|
683 | inner1_polygon = geo_ref_poly.\ |
---|
684 | change_points_geo_ref(inner1_polygon_absolute) |
---|
685 | |
---|
686 | inner2_polygon_absolute = [[30,30], [40,30], [40,40], [30,40]] |
---|
687 | inner2_polygon = geo_ref_poly.\ |
---|
688 | change_points_geo_ref(inner2_polygon_absolute) |
---|
689 | |
---|
690 | max_area = 10000000 |
---|
691 | interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)] |
---|
692 | m = create_mesh_from_regions(polygon, |
---|
693 | boundary_tags, |
---|
694 | max_area, |
---|
695 | interior_regions=interior_regions, |
---|
696 | poly_geo_reference=geo_ref_poly, |
---|
697 | mesh_geo_reference=mesh_geo) |
---|
698 | |
---|
699 | m.export_mesh_file('a_test_mesh_iknterface.tsh') |
---|
700 | |
---|
701 | fileName = tempfile.mktemp('.txt') |
---|
702 | file = open(fileName, 'w') |
---|
703 | file.write(' 1 ?? ??\n\ |
---|
704 | 90.0 90.0\n\ |
---|
705 | 81.0 90.0\n\ |
---|
706 | 81.0 81.0\n\ |
---|
707 | 90.0 81.0\n\ |
---|
708 | 90.0 90.0\n\ |
---|
709 | END\n\ |
---|
710 | 2 ?? ??\n\ |
---|
711 | 10.0 80.0\n\ |
---|
712 | 10.0 90.0\n\ |
---|
713 | 20.0 90.0\n\ |
---|
714 | 10.0 80.0\n\ |
---|
715 | END\n\ |
---|
716 | END\n') |
---|
717 | file.close() |
---|
718 | |
---|
719 | m.import_ungenerate_file(fileName, tag='wall') |
---|
720 | os.remove(fileName) |
---|
721 | m.generate_mesh(maximum_triangle_area=max_area, verbose=False) |
---|
722 | m.export_mesh_file('b_test_mesh_iknterface.tsh') |
---|
723 | |
---|
724 | def concept_ungenerateII(self): |
---|
725 | from anuga.shallow_water import Domain, Reflective_boundary, \ |
---|
726 | Dirichlet_boundary |
---|
727 | |
---|
728 | x=0 |
---|
729 | y=0 |
---|
730 | mesh_geo = geo_reference=Geo_reference(56, x, y) |
---|
731 | |
---|
732 | # These are the absolute values |
---|
733 | polygon_absolute = [[0,0], [100,0], [100,100], [0,100]] |
---|
734 | x_p = -10 |
---|
735 | y_p = -40 |
---|
736 | geo_ref_poly = Geo_reference(56, x_p, y_p) |
---|
737 | polygon = geo_ref_poly.change_points_geo_ref(polygon_absolute) |
---|
738 | |
---|
739 | boundary_tags = {'wall': [0,1,3], 'wave': [2]} |
---|
740 | |
---|
741 | inner1_polygon_absolute = [[10,10], [20,10], [20,20], [10,20]] |
---|
742 | inner1_polygon = geo_ref_poly.\ |
---|
743 | change_points_geo_ref(inner1_polygon_absolute) |
---|
744 | |
---|
745 | inner2_polygon_absolute = [[30,30], [40,30], [40,40], [30,40]] |
---|
746 | inner2_polygon = geo_ref_poly.\ |
---|
747 | change_points_geo_ref(inner2_polygon_absolute) |
---|
748 | |
---|
749 | max_area = 1 |
---|
750 | interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)] |
---|
751 | m = create_mesh_from_regions(polygon, |
---|
752 | boundary_tags, |
---|
753 | max_area, |
---|
754 | interior_regions=interior_regions, |
---|
755 | poly_geo_reference=geo_ref_poly, |
---|
756 | mesh_geo_reference=mesh_geo) |
---|
757 | |
---|
758 | m.export_mesh_file('a_test_mesh_iknterface.tsh') |
---|
759 | |
---|
760 | fileName = tempfile.mktemp('.txt') |
---|
761 | file = open(fileName, 'w') |
---|
762 | file.write(' 1 ?? ??\n\ |
---|
763 | 90.0 90.0\n\ |
---|
764 | 81.0 90.0\n\ |
---|
765 | 81.0 81.0\n\ |
---|
766 | 90.0 81.0\n\ |
---|
767 | 90.0 90.0\n\ |
---|
768 | END\n\ |
---|
769 | 2 ?? ??\n\ |
---|
770 | 10.0 80.0\n\ |
---|
771 | 10.0 90.0\n\ |
---|
772 | 20.0 90.0\n\ |
---|
773 | 10.0 80.0\n\ |
---|
774 | END\n\ |
---|
775 | END\n') |
---|
776 | file.close() |
---|
777 | |
---|
778 | m.import_ungenerate_file(fileName) #, tag='wall') |
---|
779 | os.remove(fileName) |
---|
780 | m.generate_mesh(maximum_triangle_area=max_area, verbose=False) |
---|
781 | mesh_filename = 'bento_b.tsh' |
---|
782 | m.export_mesh_file(mesh_filename) |
---|
783 | |
---|
784 | domain = Domain(mesh_filename, use_cache = False) |
---|
785 | |
---|
786 | Br = Reflective_boundary(domain) |
---|
787 | Bd = Dirichlet_boundary([3, 0, 0]) |
---|
788 | domain.set_boundary({'wall': Br, 'wave': Bd}) |
---|
789 | yieldstep = 0.1 |
---|
790 | finaltime = 10 |
---|
791 | for t in domain.evolve(yieldstep, finaltime): |
---|
792 | domain.write_time() |
---|
793 | |
---|
794 | def concept_ungenerateIII(self): |
---|
795 | from anuga.shallow_water import Domain, Reflective_boundary, \ |
---|
796 | Dirichlet_boundary |
---|
797 | from anuga.pmesh.mesh_interface import create_mesh_from_regions |
---|
798 | |
---|
799 | # These are the absolute values |
---|
800 | polygon = [[0,0], [100,0], [100,100], [0,100]] |
---|
801 | |
---|
802 | boundary_tags = {'wall': [0,1,3], 'wave': [2]} |
---|
803 | inner1_polygon = [[10,10], [20,10], [20,20], [10,20]] |
---|
804 | inner2_polygon = [[30,30], [40,30], [40,40], [30,40]] |
---|
805 | |
---|
806 | max_area = 1 |
---|
807 | interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)] |
---|
808 | m = create_mesh_from_regions(polygon, |
---|
809 | boundary_tags, |
---|
810 | max_area, |
---|
811 | interior_regions=interior_regions) |
---|
812 | |
---|
813 | fileName = tempfile.mktemp('.txt') |
---|
814 | file = open(fileName, 'w') |
---|
815 | file.write(' 1 ?? ??\n\ |
---|
816 | 90.0 90.0\n\ |
---|
817 | 81.0 90.0\n\ |
---|
818 | 81.0 81.0\n\ |
---|
819 | 90.0 81.0\n\ |
---|
820 | 90.0 90.0\n\ |
---|
821 | END\n\ |
---|
822 | 2 ?? ??\n\ |
---|
823 | 10.0 80.0\n\ |
---|
824 | 10.0 90.0\n\ |
---|
825 | 20.0 90.0\n\ |
---|
826 | 10.0 80.0\n\ |
---|
827 | END\n\ |
---|
828 | END\n') |
---|
829 | file.close() |
---|
830 | |
---|
831 | m.import_ungenerate_file(fileName) |
---|
832 | os.remove(fileName) |
---|
833 | m.generate_mesh(maximum_triangle_area=max_area, verbose=False) |
---|
834 | mesh_filename = 'mesh.tsh' |
---|
835 | m.export_mesh_file(mesh_filename) |
---|
836 | |
---|
837 | domain = Domain(mesh_filename, use_cache=False) |
---|
838 | |
---|
839 | Br = Reflective_boundary(domain) |
---|
840 | Bd = Dirichlet_boundary([3, 0, 0]) |
---|
841 | domain.set_boundary({'wall': Br, 'wave': Bd}) |
---|
842 | yieldstep = 0.1 |
---|
843 | finaltime = 10 |
---|
844 | for t in domain.evolve(yieldstep, finaltime): |
---|
845 | domain.write_time() |
---|
846 | |
---|
847 | def test_create_mesh_from_regions_check_segs(self): |
---|
848 | '''Test that create_mesh_from_regions fails |
---|
849 | when an interior region is outside bounding polygon. |
---|
850 | ''' |
---|
851 | |
---|
852 | # These are the absolute values |
---|
853 | min_x = 10 |
---|
854 | min_y = 88 |
---|
855 | polygon = [[min_x,min_y], [1000,100], [1000,1000], [100,1000]] |
---|
856 | boundary_tags = {'walls': [0,1,3], 'bom': [2]} |
---|
857 | |
---|
858 | # This one is inside bounding polygon - should pass |
---|
859 | inner_polygon = [[800,400], [900,500], [800,600]] |
---|
860 | interior_regions = [(inner_polygon, 5)] |
---|
861 | m = create_mesh_from_regions(polygon, |
---|
862 | boundary_tags, |
---|
863 | 10000000, |
---|
864 | interior_regions=interior_regions) |
---|
865 | |
---|
866 | boundary_tags = {'walls': [0,1,3,4], 'bom': [2]} |
---|
867 | try: |
---|
868 | m = create_mesh_from_regions(polygon, |
---|
869 | boundary_tags, |
---|
870 | 10000000, |
---|
871 | interior_regions=interior_regions) |
---|
872 | except: |
---|
873 | pass |
---|
874 | else: |
---|
875 | msg = 'Segment out of bounds not caught ' |
---|
876 | raise Exception, msg |
---|
877 | |
---|
878 | ################################################################################ |
---|
879 | |
---|
880 | if __name__ == "__main__": |
---|
881 | suite = unittest.makeSuite(TestCase,'test') |
---|
882 | runner = unittest.TextTestRunner() #verbosity=2) |
---|
883 | runner.run(suite) |
---|
884 | |
---|