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