1 | #!/usr/bin/env python |
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2 | # |
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3 | |
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4 | import sys |
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5 | |
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6 | import unittest |
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7 | import mesh_engine.triang as triang |
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8 | |
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9 | |
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10 | class triangTestCase(unittest.TestCase): |
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11 | def setUp(self): |
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12 | pass |
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13 | |
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14 | def tearDown(self): |
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15 | pass |
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16 | |
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17 | def testrectangle(self): |
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18 | |
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19 | points = [] |
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20 | seglist = [] |
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21 | segattlist = [] |
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22 | holelist = [] |
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23 | regionlist = [] |
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24 | |
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25 | points = [(0.0,0.0),(0.0,10.0),(3.0,0.0),(3.0,10.0)] |
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26 | # This will cause a seg fault |
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27 | #points = [[0.0,0.0],[0.0,10.0],[3.0,0.0],[3.0,10.0]] |
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28 | |
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29 | # automatically generate pointattlist |
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30 | pointattlist = [] |
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31 | for point in points: |
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32 | pointattlist.append([]) |
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33 | #print "pointattlist",pointattlist |
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34 | #pointattlist = [[],[],[],[]] |
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35 | trilist = [] |
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36 | mode = "Qzcn" |
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37 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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38 | pointattlist,segattlist,trilist, mode) |
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39 | self.failUnless(data['generatedtrianglelist'] ==[(1, 0, 2), (2, 3, 1)], |
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40 | 'generatedtrianglelist is wrong!') |
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41 | #print "data['generatedsegmentlist']",data['generatedsegmentlist'] |
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42 | self.failUnless(data['generatedsegmentlist'] ==[(2, 0), (3, 2), (1, 3), |
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43 | (0, 1)] |
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44 | , 'generatedsegmentlist is wrong!') |
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45 | self.failUnless(data['generatedpointlist'] ==[(0.0, 0.0), (0.0, 10.0), |
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46 | (3.0, 0.0), (3.0, 10.0)], |
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47 | ' is wrong!') |
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48 | |
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49 | #print "data['generatedtriangleneighborlist']", |
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50 | #data['generatedtriangleneighborlist'] |
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51 | self.failUnless(data['generatedtriangleneighborlist'] ==[(-1, 1, -1), |
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52 | (-1, 0, -1)], |
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53 | 'generatedtriangleneighborlist is wrong!') |
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54 | |
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55 | |
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56 | def testrectangleII(self): |
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57 | |
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58 | points = [] |
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59 | seglist = [] |
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60 | holelist = [] |
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61 | regionlist = [] |
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62 | |
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63 | points = [(0.0,0.0),(0.0,10.0),(3.0,0.0),(3.0,10.0)] |
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64 | pointattlist = [[],[],[],[]] |
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65 | regionlist.append( (1.2,1.2,5.0) ) |
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66 | seglist = [(0,1),(1,3),(3,2),(2,0)] |
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67 | segattlist = [0,0,0,0] |
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68 | trilist = [] |
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69 | mode = "Qzp" |
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70 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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71 | pointattlist,segattlist,trilist, mode) |
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72 | |
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73 | self.failUnless(data['generatedtrianglelist'] ==[(1, 0, 2), (2, 3, 1)], |
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74 | 'trianglelist is wrong!') |
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75 | self.failUnless(data['generatedsegmentlist'] ==[(0, 1), (1, 3), |
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76 | (3, 2), (2, 0)], |
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77 | 'segmentlist is wrong!') |
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78 | self.failUnless(data['generatedpointlist'] ==[(0.0, 0.0), (0.0, 10.0), |
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79 | (3.0, 0.0), (3.0, 10.0)], |
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80 | ' is wrong!') |
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81 | |
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82 | def testsegmarker(self): |
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83 | |
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84 | points = [] |
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85 | seglist = [] |
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86 | holelist = [] |
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87 | regionlist = [] |
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88 | |
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89 | points = [(0.0,0.0),(0.0,10.0),(3.0,0.0),(3.0,10.0)] |
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90 | pointattlist = [[],[],[],[]] |
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91 | regionlist.append( (1.2,1.2,5.0) ) |
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92 | seglist = [(0,1),(1,3),(3,2),(2,0)] |
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93 | segattlist = [1.0,2.0,3.0,4.0] |
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94 | trilist = [] |
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95 | mode = "Qzp" |
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96 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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97 | pointattlist,segattlist,trilist, mode) |
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98 | |
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99 | self.failUnless(data['generatedtrianglelist'] ==[(1, 0, 2), (2, 3, 1)], |
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100 | 'trianglelist is wrong!') |
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101 | self.failUnless(data['generatedsegmentlist'] ==[(0, 1), (1, 3), |
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102 | (3, 2), (2, 0)], |
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103 | 'segmentlist is wrong!') |
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104 | self.failUnless(data['generatedpointlist'] ==[(0.0, 0.0), (0.0, 10.0), |
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105 | (3.0, 0.0), (3.0, 10.0)], |
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106 | ' is wrong!') |
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107 | self.failUnless(data['generatedsegmentmarkerlist'] ==[1,2,3,4], |
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108 | ' is wrong!') |
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109 | |
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110 | def testbad_region(self): |
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111 | |
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112 | points = [] |
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113 | seglist = [] |
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114 | holelist = [] |
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115 | regionlist = [(1.2,1.2)] |
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116 | |
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117 | points = [(0.0,0.0),(0.0,10.0),(3.0,0.0),(3.0,10.0)] |
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118 | pointattlist = [[],[],[],[]] |
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119 | seglist = [(0,1),(1,3),(3,2),(2,0)] |
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120 | segattlist = [0,0,0,0] |
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121 | trilist = [] |
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122 | mode = "Qzpn" |
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123 | try: |
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124 | data = triang.genMesh(points,seglist,holelist, |
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125 | regionlist,pointattlist,segattlist, |
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126 | trilist, mode) |
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127 | |
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128 | except TypeError: |
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129 | pass |
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130 | else: |
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131 | self.failUnless(0 ==1, |
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132 | 'bad region list did not raise error!') |
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133 | |
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134 | def testregion_with_maxarea(self): |
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135 | |
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136 | points = [] |
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137 | seglist = [] |
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138 | holelist = [] |
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139 | regionlist = [(3,1,1.0)] |
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140 | |
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141 | points = [(0.0,0.0),(6.0,0.0),(6.0,6.0),(0.0,6.0)] |
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142 | pointattlist = [[],[],[],[]] |
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143 | seglist = [(0,1),(1,2),(3,2),(3,0),(0,2)] |
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144 | segattlist = [0,0,0,0,0] |
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145 | trilist = [] |
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146 | mode = "Qzpna36a" |
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147 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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148 | pointattlist,segattlist, trilist, mode) |
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149 | |
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150 | self.failUnless(len(data['generatedtrianglelist']) == 2, |
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151 | 'testregion_with_maxarea 1: # of tris is wrong!') |
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152 | ## Another test case |
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153 | regionlist = [(3,1,1.0),(1,3,1.0,8.0)] |
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154 | mode = "Qzp21na36a" |
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155 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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156 | pointattlist,segattlist, trilist, mode) |
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157 | #print "len(data['generatedtrianglelist']",len(data['generatedtrianglelist']) |
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158 | # for Duncan On unix this returns a 7 triangle result. |
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159 | # for Duncan on Windows returns a 6 triangle result. |
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160 | # for Ole on nautilus this returns 6 |
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161 | # for Duncan on nautilus this returns 7 |
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162 | # ??, it seems to be the results from triangle that is |
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163 | # causing the different results, and we are treating |
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164 | # triangle as a back box. |
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165 | |
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166 | self.failUnless(len(data['generatedtrianglelist']) >= 6, |
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167 | 'testregion_with_maxarea 2: # of tris is wrong!') |
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168 | ## Another test case |
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169 | regionlist = [(3,1,1.0,8.0),(1,3,1.0,8.0)] |
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170 | mode = "Qzpna36a" |
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171 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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172 | pointattlist,segattlist, trilist, mode) |
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173 | #print "len(data['generatedtrianglelist']",len(data['generatedtrianglelist']) |
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174 | # On unix this returns a 10 triangle result. |
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175 | # Windows returns a 8 triangle result. |
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176 | self.failUnless(len(data['generatedtrianglelist']) >= 8, |
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177 | 'testregion_with_maxarea 3: # of tris is wrong!') |
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178 | |
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179 | ## Another test case |
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180 | regionlist = [(3,1,1.0),(1,3,1.0,8.0)] |
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181 | mode = "Qzpna8a" |
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182 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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183 | pointattlist,segattlist, trilist, mode) |
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184 | #print "len(data['generatedtrianglelist']",len(data['generatedtrianglelist']) |
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185 | # On unix this returns a 10 triangle result. |
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186 | # Windows returns a 8 triangle result. |
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187 | |
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188 | self.failUnless(len(data['generatedtrianglelist']) >= 8, |
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189 | 'testregion_with_maxarea 4: # of tris is wrong!') |
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190 | |
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191 | def testbad_point(self): |
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192 | |
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193 | holelist = [] |
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194 | regionlist = [] |
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195 | |
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196 | points = [(0.0,0.0),(0.0,10.0),(3.0,0.0),(3.0)] |
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197 | pointattlist = [[],[],[],[]] |
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198 | seglist = [(0,1),(1,3),(3,2),(2,0)] |
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199 | segattlist = [0,0,0,0] |
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200 | trilist = [] |
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201 | mode = "Qzpn" |
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202 | try: |
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203 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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204 | pointattlist,segattlist, trilist, mode) |
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205 | |
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206 | except TypeError: |
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207 | pass |
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208 | else: |
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209 | self.failUnless(0 ==1, |
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210 | 'bad point list did not raise error!') |
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211 | |
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212 | def testbad_hole(self): |
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213 | |
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214 | holelist = [(9.0)] |
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215 | regionlist = [] |
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216 | |
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217 | points = [(0.0,0.0),(0.0,10.0),(3.0,0.0),(3.0,10.0)] |
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218 | pointattlist = [[],[],[],[]] |
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219 | seglist = [(0,1),(1,3),(3,2),(2,0)] |
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220 | segattlist = [0,0,0,0] |
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221 | trilist = [] |
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222 | mode = "Qzpn" |
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223 | try: |
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224 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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225 | pointattlist,segattlist, trilist, mode) |
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226 | |
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227 | except TypeError: |
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228 | pass |
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229 | else: |
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230 | self.failUnless(0 ==1, |
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231 | 'bad hole list did not raise error!') |
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232 | |
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233 | def testbad_segment(self): |
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234 | |
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235 | holelist = [] |
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236 | regionlist = [] |
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237 | |
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238 | points = [(0.0,0.0),(0.0,10.0),(3.0,0.0),(3.0,10.0)] |
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239 | pointattlist = [[],[],[],[]] |
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240 | seglist = [(0,1),(1,3),(3,2),(2)] |
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241 | segattlist = [0,0,0,0] |
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242 | trilist = [] |
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243 | mode = "Qzpn" |
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244 | try: |
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245 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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246 | pointattlist,segattlist, trilist, mode) |
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247 | |
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248 | except TypeError: |
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249 | pass |
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250 | else: |
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251 | self.failUnless(0 ==1, |
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252 | 'bad segment list did not raise error!') |
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253 | |
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254 | def testbad_segattlist(self): |
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255 | |
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256 | holelist = [] |
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257 | regionlist = [] |
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258 | |
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259 | points = [(0.0,0.0),(0.0,10.0),(3.0,0.0),(3.0,10.0)] |
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260 | pointattlist = [[],[],[],[]] |
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261 | seglist = [(0,1),(1,3),(3,2),(2,0)] |
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262 | segattlist = [0,0] |
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263 | trilist = [] |
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264 | mode = "Qzpn" |
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265 | try: |
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266 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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267 | pointattlist,segattlist, trilist, mode) |
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268 | |
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269 | self.failUnless(data['trianglelist'] ==[(1, 0, 2), (2, 3, 1)], |
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270 | 'trianglelist is wrong!') |
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271 | except TypeError: |
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272 | pass |
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273 | else: |
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274 | self.failUnless(0 ==1, |
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275 | 'bad segment attribute list did not raise error!') |
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276 | |
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277 | def testrectangle_regions(self): |
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278 | |
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279 | points = [] |
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280 | seglist = [] |
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281 | holelist = [] |
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282 | regionlist = [] |
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283 | |
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284 | points = [(0.0,0.0),(0.0,10.0),(3.0,0.0),(3.0,10.0)] |
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285 | pointattlist = [[],[],[],[]] |
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286 | #it seems that |
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287 | #triangle only associates one region with a triangle |
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288 | regionlist.append( (1.3,1.3,88.33) ) |
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289 | regionlist.append( (1.2,1.2,77,55) ) |
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290 | seglist = [(0,1),(1,3),(3,2),(2,0)] |
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291 | segattlist = [0,0,0,0] |
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292 | trilist = [] |
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293 | mode = "QAzpq" |
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294 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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295 | pointattlist,segattlist, trilist, mode) |
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296 | |
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297 | self.failUnless(data['generatedtriangleattributelist'] ==[[77.0], [77.0], [77.0], [77.0]], |
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298 | 'triangleattributelist is wrong!') |
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299 | |
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300 | |
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301 | def Xtest_lone_verts(self): |
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302 | |
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303 | points = [] |
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304 | seglist = [] |
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305 | holelist = [] |
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306 | regionlist = [] |
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307 | |
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308 | points = [(0.0,0.0),(0.0,10.0),(3.0,0.0),(3.0,10.0),(0.0,10.0)] |
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309 | pointattlist = [[],[],[],[],[]] |
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310 | regionlist.append( (1.2,1.2,5.0) ) |
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311 | seglist = [(0,4),(4,1),(1,3),(3,2),(2,0)] |
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312 | segattlist = [0,0,0,0,0] |
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313 | trilist = [] |
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314 | mode = "Qzp" |
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315 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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316 | pointattlist,segattlist,trilist, mode) |
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317 | #print "data['generatedtrianglelist']", data['generatedtrianglelist'] |
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318 | self.failUnless(data['generatedtrianglelist'] ==[(4, 0, 2), (2, 3, 4)], |
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319 | 'trianglelist is wrong!') |
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320 | self.failUnless(data['generatedsegmentlist'] ==[(0, 4), (4, 3), |
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321 | (3, 2), (2, 0)], |
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322 | 'segmentlist is wrong!') |
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323 | self.failUnless(data['generatedpointlist'] ==[(0.0, 0.0), (0.0, 10.0), |
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324 | (3.0, 0.0), (3.0, 10.0), |
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325 | (0.0,10.0)], |
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326 | ' is wrong!') |
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327 | self.failUnless(data['lonepointlist'] ==[1], |
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328 | 'lonepointlist is wrong!') |
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329 | #print "", data['lonepointlist'] |
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330 | |
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331 | def Xtest_lone_vertsII(self): |
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332 | |
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333 | points = [] |
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334 | seglist = [] |
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335 | holelist = [] |
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336 | regionlist = [] |
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337 | |
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338 | points = [(0.0,0.0),(0.0,0.0),(0.0,10.0),(0.0,10.0),(10.0,10.0), |
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339 | (10.0,10.0),(0.0,10.0),(10.0,0.0)] |
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340 | |
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341 | pointattlist = [] |
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342 | for point in points: |
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343 | pointattlist.append([]) |
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344 | seglist = [(0,1),(1,2),(2,3),(3,4),(4,5),(5,7),(7,0)] |
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345 | segattlist = [] |
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346 | for seg in seglist: |
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347 | segattlist.append(0) |
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348 | trilist = [] |
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349 | mode = "Qzp" |
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350 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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351 | pointattlist,segattlist,trilist, mode) |
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352 | #print "data['generatedtrianglelist']", data['generatedtrianglelist'] |
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353 | self.failUnless(data['generatedtrianglelist'] ==[(6, 1, 7), (7, 5, 6)], |
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354 | 'trianglelist is wrong!') |
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355 | self.failUnless(data['generatedsegmentlist'] ==[(1, 6), (6, 5), |
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356 | (5, 7), (7, 1)], |
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357 | 'segmentlist is wrong!') |
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358 | self.failUnless(data['generatedpointlist'] ==[(0.0,0.0),(0.0,0.0), |
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359 | (0.0,10.0),(0.0,10.0), |
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360 | (10.0,10.0), |
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361 | (10.0,10.0),(0.0,10.0), |
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362 | (10.0,0.0)], |
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363 | ' is wrong!') |
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364 | self.failUnless(data['lonepointlist'] ==[0,2,3,4], |
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365 | 'lonepointlist is wrong!') |
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366 | |
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367 | def Xtest_lone_vertsIII(self): |
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368 | |
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369 | points = [] |
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370 | seglist = [] |
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371 | holelist = [] |
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372 | regionlist = [] |
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373 | |
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374 | points = [(0.0,0.0),(0.0,0.0),(0.0,10.0),(0.0,10.0),(10.0,10.0), |
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375 | (10.0,10.0),(0.0,10.0),(10.0,0.0)] |
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376 | |
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377 | pointattlist = [] |
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378 | for point in points: |
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379 | pointattlist.append([]) |
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380 | seglist = [] |
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381 | segattlist = [] |
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382 | for seg in seglist: |
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383 | segattlist.append(0) |
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384 | trilist = [] |
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385 | mode = "Qzp" |
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386 | data = triang.genMesh(points,seglist,holelist,regionlist, |
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387 | pointattlist,segattlist,trilist, mode) |
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388 | |
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389 | self.failUnless(data['lonepointlist'] ==[0,1,2,3,4,5,6,7], |
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390 | 'lonepointlist is wrong!') |
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391 | if __name__ == "__main__": |
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392 | |
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393 | suite = unittest.makeSuite(triangTestCase,'test') |
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394 | runner = unittest.TextTestRunner() |
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395 | runner.run(suite) |
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