1 | #!/usr/bin/env python |
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2 | |
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3 | import unittest |
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4 | from math import sqrt |
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5 | |
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6 | from domain import * |
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7 | from region import * |
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8 | #from anuga.config import epsilon |
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9 | |
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10 | import numpy as num |
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11 | |
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12 | |
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13 | """ |
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14 | This is what the mesh in these tests look like; |
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15 | |
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16 | 3---7 |
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17 | |5 /| |
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18 | | /6| |
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19 | 2---6 |
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20 | |3 /| |
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21 | | /2| |
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22 | 1---5 |
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23 | |1 /| |
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24 | | /0| |
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25 | 0---4 |
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26 | """ |
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27 | |
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28 | def add_x_y(x, y): |
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29 | return x+y |
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30 | |
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31 | def give_me_23(x, y): |
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32 | return 23.0 |
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33 | |
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34 | class Test_Region(unittest.TestCase): |
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35 | def setUp(self): |
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36 | pass |
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37 | |
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38 | |
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39 | def tearDown(self): |
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40 | pass |
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41 | |
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42 | |
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43 | def test_region_tags(self): |
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44 | """get values based on triangle lists.""" |
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45 | |
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46 | from mesh_factory import rectangular |
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47 | from shallow_water import Domain |
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48 | |
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49 | #Create basic mesh |
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50 | points, vertices, boundary = rectangular(1, 3) |
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51 | |
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52 | #Create shallow water domain |
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53 | domain = Domain(points, vertices, boundary) |
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54 | domain.build_tagged_elements_dictionary({'bottom': [0,1], |
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55 | 'top': [4,5], |
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56 | 'all': [0,1,2,3,4,5]}) |
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57 | |
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58 | #Set friction |
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59 | manning = 0.07 |
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60 | domain.set_quantity('friction', manning) |
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61 | |
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62 | a = Set_region('bottom', 'friction', 0.09) |
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63 | b = Set_region('top', 'friction', 1.0) |
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64 | domain.set_region([a, b]) |
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65 | |
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66 | expected = [[ 0.09, 0.09, 0.09], |
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67 | [ 0.09, 0.09, 0.09], |
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68 | [ 0.07, 0.07, 0.07], |
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69 | [ 0.07, 0.07, 0.07], |
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70 | [ 1.0, 1.0, 1.0], |
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71 | [ 1.0, 1.0, 1.0]] |
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72 | msg = ("\ndomain.quantities['friction']=%s\nexpected value=%s" |
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73 | % (str(domain.quantities['friction'].get_values()), |
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74 | str(expected))) |
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75 | assert num.allclose(domain.quantities['friction'].get_values(), |
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76 | expected), msg |
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77 | |
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78 | #c = Add_Value_To_region('all', 'friction', 10.0) |
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79 | domain.set_region(Add_value_to_region('all', 'friction', 10.0)) |
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80 | #print domain.quantities['friction'].get_values() |
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81 | assert num.allclose(domain.quantities['friction'].get_values(), |
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82 | [[ 10.09, 10.09, 10.09], |
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83 | [ 10.09, 10.09, 10.09], |
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84 | [ 10.07, 10.07, 10.07], |
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85 | [ 10.07, 10.07, 10.07], |
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86 | [ 11.0, 11.0, 11.0], |
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87 | [ 11.0, 11.0, 11.0]]) |
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88 | |
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89 | # trying a function |
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90 | domain.set_region(Set_region('top', 'friction', add_x_y)) |
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91 | #print domain.quantities['friction'].get_values() |
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92 | assert num.allclose(domain.quantities['friction'].get_values(), |
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93 | [[ 10.09, 10.09, 10.09], |
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94 | [ 10.09, 10.09, 10.09], |
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95 | [ 10.07, 10.07, 10.07], |
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96 | [ 10.07, 10.07, 10.07], |
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97 | [ 5./3, 2.0, 2./3], |
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98 | [ 1.0, 2./3, 2.0]]) |
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99 | |
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100 | domain.set_quantity('elevation', 10.0) |
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101 | domain.set_quantity('stage', 10.0) |
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102 | domain.set_region(Add_value_to_region('top', 'stage', 1.0,initial_quantity='elevation')) |
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103 | #print domain.quantities['stage'].get_values() |
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104 | assert num.allclose(domain.quantities['stage'].get_values(), |
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105 | [[ 10., 10., 10.], |
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106 | [ 10., 10., 10.], |
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107 | [ 10., 10., 10.], |
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108 | [ 10., 10., 10.], |
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109 | [ 11.0, 11.0, 11.0], |
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110 | [ 11.0, 11.0, 11.0]]) |
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111 | |
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112 | |
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113 | domain.set_quantity('elevation', 10.0) |
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114 | domain.set_quantity('stage', give_me_23) |
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115 | #this works as well, (is cleaner, but doesn't work for regions) |
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116 | #domain.set_quantity('stage', |
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117 | # domain.quantities['stage'].vertex_values+ \ |
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118 | # domain.quantities['elevation'].vertex_values) |
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119 | domain.set_region(Add_quantities('top', 'elevation','stage')) |
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120 | #print domain.quantities['stage'].get_values() |
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121 | assert num.allclose(domain.quantities['elevation'].get_values(), |
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122 | [[ 10., 10., 10.], |
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123 | [ 10., 10., 10.], |
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124 | [ 10., 10., 10.], |
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125 | [ 10., 10., 10.], |
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126 | [ 33., 33.0, 33.], |
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127 | [ 33.0, 33., 33.]]) |
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128 | |
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129 | def test_unique_vertices(self): |
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130 | """get values based on triangle lists.""" |
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131 | |
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132 | from mesh_factory import rectangular |
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133 | from shallow_water import Domain |
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134 | |
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135 | #Create basic mesh |
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136 | points, vertices, boundary = rectangular(1, 3) |
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137 | |
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138 | #Create shallow water domain |
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139 | domain = Domain(points, vertices, boundary) |
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140 | domain.build_tagged_elements_dictionary({'bottom':[0,1], |
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141 | 'top':[4,5], |
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142 | 'all':[0,1,2,3,4,5]}) |
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143 | |
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144 | #Set friction |
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145 | manning = 0.07 |
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146 | domain.set_quantity('friction', manning) |
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147 | |
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148 | a = Set_region('bottom', 'friction', 0.09, location = 'unique vertices') |
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149 | domain.set_region(a) |
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150 | assert num.allclose(domain.quantities['friction'].get_values(), |
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151 | [[ 0.09, 0.09, 0.09], |
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152 | [ 0.09, 0.09, 0.09], |
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153 | [ 0.09, 0.07, 0.09], |
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154 | [ 0.07, 0.09, 0.07], |
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155 | [ 0.07, 0.07, 0.07], |
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156 | [ 0.07, 0.07, 0.07]]) |
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157 | |
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158 | |
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159 | def test_unique_verticesII(self): |
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160 | """ |
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161 | get values based on triangle lists. |
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162 | """ |
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163 | from mesh_factory import rectangular |
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164 | from shallow_water import Domain |
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165 | |
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166 | #Create basic mesh |
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167 | points, vertices, boundary = rectangular(1, 3) |
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168 | |
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169 | #Create shallow water domain |
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170 | domain = Domain(points, vertices, boundary) |
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171 | domain.build_tagged_elements_dictionary({'bottom':[0,1], |
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172 | 'top':[4,5], |
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173 | 'all':[0,1,2,3,4,5]}) |
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174 | |
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175 | #Set friction |
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176 | manning = 0.07 |
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177 | domain.set_quantity('friction', manning) |
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178 | |
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179 | domain.set_region(Add_value_to_region('bottom', 'friction', 1.0,initial_quantity='friction', location = 'unique vertices')) |
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180 | |
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181 | #print domain.quantities['friction'].get_values() |
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182 | assert num.allclose(domain.quantities['friction'].get_values(),\ |
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183 | [[ 1.07, 1.07, 1.07], |
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184 | [ 1.07, 1.07, 1.07], |
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185 | [ 1.07, 0.07, 1.07], |
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186 | [ 0.07, 1.07, 0.07], |
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187 | [ 0.07, 0.07, 0.07], |
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188 | [ 0.07, 0.07, 0.07]]) |
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189 | |
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190 | def test_unique_vertices_average_loc_vert(self): |
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191 | """ |
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192 | get values based on triangle lists. |
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193 | """ |
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194 | from mesh_factory import rectangular |
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195 | from shallow_water import Domain |
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196 | |
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197 | #Create basic mesh |
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198 | points, vertices, boundary = rectangular(1, 3) |
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199 | #Create shallow water domain |
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200 | domain = Domain(points, vertices, boundary) |
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201 | domain.build_tagged_elements_dictionary({'bottom':[0,1], |
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202 | 'top':[4,5], |
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203 | 'not_bottom':[2,3,4,5]}) |
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204 | |
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205 | #Set friction |
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206 | domain.set_quantity('friction', add_x_y) |
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207 | av_bottom = 2.0/3.0 |
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208 | add = 60.0 |
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209 | calc_frict = av_bottom + add |
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210 | domain.set_region(Add_value_to_region('bottom', 'friction', add, |
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211 | initial_quantity='friction', |
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212 | #location='unique vertices', |
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213 | location='vertices', |
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214 | average=True |
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215 | )) |
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216 | |
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217 | #print domain.quantities['friction'].get_values() |
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218 | frict_points = domain.quantities['friction'].get_values() |
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219 | expected = [calc_frict, calc_frict, calc_frict] |
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220 | msg = ('frict_points[0]=%s\nexpected=%s' % (str(frict_points[0]), |
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221 | str(expected))) |
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222 | assert num.allclose(frict_points[0], expected), msg |
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223 | msg = ('frict_points[1]=%s\nexpected=%s' % (str(frict_points[1]), |
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224 | str(expected))) |
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225 | assert num.allclose(frict_points[1], expected), msg |
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226 | |
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227 | def test_unique_vertices_average_loc_unique_vert(self): |
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228 | """ |
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229 | get values based on triangle lists. |
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230 | """ |
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231 | from mesh_factory import rectangular |
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232 | from shallow_water import Domain |
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233 | |
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234 | #Create basic mesh |
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235 | points, vertices, boundary = rectangular(1, 3) |
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236 | #Create shallow water domain |
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237 | domain = Domain(points, vertices, boundary) |
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238 | domain.build_tagged_elements_dictionary({'bottom':[0,1], |
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239 | 'top':[4,5], |
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240 | 'not_bottom':[2,3,4,5]}) |
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241 | |
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242 | #Set friction |
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243 | domain.set_quantity('friction', add_x_y) |
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244 | av_bottom = 2.0/3.0 |
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245 | add = 60.0 |
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246 | calc_frict = av_bottom + add |
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247 | domain.set_region(Add_value_to_region('bottom', 'friction', add, |
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248 | initial_quantity='friction', |
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249 | location='unique vertices', |
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250 | average=True |
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251 | )) |
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252 | |
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253 | #print domain.quantities['friction'].get_values() |
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254 | frict_points = domain.quantities['friction'].get_values() |
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255 | assert num.allclose(frict_points[0],\ |
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256 | [ calc_frict, calc_frict, calc_frict]) |
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257 | assert num.allclose(frict_points[1],\ |
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258 | [ calc_frict, calc_frict, calc_frict]) |
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259 | assert num.allclose(frict_points[2],\ |
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260 | [ calc_frict, 1.0 + 2.0/3.0, calc_frict]) |
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261 | assert num.allclose(frict_points[3],\ |
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262 | [ 2.0/3.0,calc_frict, 1.0 + 2.0/3.0]) |
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263 | |
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264 | |
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265 | #------------------------------------------------------------- |
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266 | if __name__ == "__main__": |
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267 | suite = unittest.makeSuite(Test_Region, 'test') |
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268 | runner = unittest.TextTestRunner() |
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269 | runner.run(suite) |
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