1 | """ |
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2 | Unit tests for specific oriented models |
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3 | @copyright: University of Tennessee, for the DANSE project |
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4 | """ |
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5 | from __future__ import print_function |
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6 | |
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7 | import unittest, math, sys |
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8 | |
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9 | # Disable "missing docstring" complaint |
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10 | # pylint: disable-msg=C0111 |
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11 | # Disable "too many methods" complaint |
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12 | # pylint: disable-msg=R0904 |
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13 | # Disable "could be a function" complaint |
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14 | # pylint: disable-msg=R0201 |
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15 | # pylint: disable-msg=W0702 |
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16 | |
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17 | from sasmodels.sasview_model import _make_standard_model |
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18 | EllipsoidModel = _make_standard_model('ellipsoid') |
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19 | SphereModel = _make_standard_model('sphere') |
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20 | CylinderModel = _make_standard_model('cylinder') |
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21 | CoreShellModel = _make_standard_model('core_shell_sphere') |
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22 | |
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23 | import sas.sascalc.realspace.VolumeCanvas as VolumeCanvas |
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24 | |
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25 | |
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26 | |
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27 | class TestSphere(unittest.TestCase): |
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28 | """ Tests for oriented (2D) systems """ |
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29 | |
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30 | def setUp(self): |
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31 | """ |
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32 | Set up canvas |
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33 | """ |
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34 | self.model = VolumeCanvas.VolumeCanvas() |
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35 | |
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36 | handle = self.model.add('sphere') |
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37 | |
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38 | radius = 10 |
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39 | density = .1 |
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40 | |
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41 | ana = SphereModel() |
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42 | ana.setParam('scale', 1.0) |
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43 | ana.setParam('background', 0.0) |
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44 | ana.setParam('sld', 1.0) |
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45 | ana.setParam('sld_solvent', 0.0) |
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46 | ana.setParam('radius', radius) |
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47 | self.ana = ana |
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48 | |
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49 | self.model.setParam('lores_density', density) |
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50 | self.model.setParam('scale' , 1.0) |
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51 | self.model.setParam('background' , 0.0) |
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52 | self.model.setParam('%s.contrast' % handle, 1.0) |
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53 | self.model.setParam('%s.radius' % handle, radius) |
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54 | |
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55 | |
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56 | def testdefault(self): |
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57 | """ Testing sphere """ |
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58 | # Default orientation |
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59 | ana_val = self.ana.runXY([0.1, 0.1]) |
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60 | sim_val = self.model.getIq2D(0.1, 0.1) |
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61 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.1 ) |
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62 | |
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63 | class TestCylinderAddObject(unittest.TestCase): |
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64 | """ Tests for oriented (2D) systems """ |
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65 | |
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66 | def setUp(self): |
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67 | """ Set up cylinder model """ |
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68 | radius = 5 |
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69 | length = 40 |
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70 | density = 20 |
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71 | |
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72 | # Analytical model |
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73 | self.ana = CylinderModel() |
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74 | self.ana.setParam('scale', 1.0) |
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75 | self.ana.setParam('background', 0.0) |
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76 | self.ana.setParam('sld', 1.0) |
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77 | self.ana.setParam('sld_solvent', 0.0) |
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78 | self.ana.setParam('radius', radius) |
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79 | self.ana.setParam('length', length) |
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80 | |
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81 | # Simulation model |
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82 | self.model = VolumeCanvas.VolumeCanvas() |
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83 | cyl = VolumeCanvas.CylinderDescriptor() |
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84 | self.handle = self.model.addObject(cyl) |
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85 | self.model.setParam('lores_density', density) |
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86 | self.model.setParam('scale' , 1.0) |
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87 | self.model.setParam('background' , 0.0) |
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88 | self.model.setParam('%s.contrast' % self.handle, 1.0) |
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89 | self.model.setParam('%s.radius' % self.handle, radius) |
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90 | self.model.setParam('%s.length' % self.handle, length) |
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91 | |
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92 | def testalongY(self): |
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93 | """ Testing cylinder along Y axis """ |
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94 | self.ana.setParam('theta', math.pi/2.0) |
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95 | self.ana.setParam('phi', math.pi/2.0) |
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96 | |
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97 | self.model.setParam('%s.orientation' % self.handle, [0,0,0]) |
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98 | |
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99 | ana_val = self.ana.runXY([0.1, 0.2]) |
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100 | sim_val = self.model.getIq2D(0.1, 0.2) |
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101 | #print ana_val, sim_val, sim_val/ana_val |
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102 | |
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103 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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104 | |
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105 | |
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106 | class TestCylinder(unittest.TestCase): |
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107 | """ Tests for oriented (2D) systems """ |
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108 | |
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109 | def setUp(self): |
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110 | """ Set up cylinder model """ |
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111 | radius = 5 |
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112 | length = 40 |
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113 | density = 20 |
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114 | |
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115 | # Analytical model |
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116 | self.ana = CylinderModel() |
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117 | self.ana.setParam('scale', 1.0) |
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118 | self.ana.setParam('background', 0.0) |
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119 | self.ana.setParam('sld', 1.0) |
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120 | self.ana.setParam('sld_solvent', 0.0) |
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121 | self.ana.setParam('radius', radius) |
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122 | self.ana.setParam('length', length) |
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123 | |
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124 | # Simulation model |
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125 | self.model = VolumeCanvas.VolumeCanvas() |
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126 | self.handle = self.model.add('cylinder') |
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127 | self.model.setParam('lores_density', density) |
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128 | self.model.setParam('scale' , 1.0) |
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129 | self.model.setParam('background' , 0.0) |
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130 | self.model.setParam('%s.radius' % self.handle, radius) |
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131 | self.model.setParam('%s.length' % self.handle, length) |
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132 | self.model.setParam('%s.contrast' % self.handle, 1.0) |
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133 | |
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134 | def testalongY(self): |
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135 | """ Testing cylinder along Y axis """ |
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136 | self.ana.setParam('theta', math.pi/2.0) |
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137 | self.ana.setParam('phi', math.pi/2.0) |
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138 | |
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139 | self.model.setParam('%s.orientation' % self.handle, [0,0,0]) |
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140 | |
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141 | ana_val = self.ana.runXY([0.1, 0.2]) |
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142 | sim_val = self.model.getIq2D(0.1, 0.2) |
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143 | #print ana_val, sim_val, sim_val/ana_val |
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144 | |
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145 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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146 | |
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147 | def testalongZ(self): |
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148 | """ Testing cylinder along Z axis """ |
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149 | self.ana.setParam('theta', 0) |
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150 | self.ana.setParam('phi', 0) |
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151 | |
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152 | self.model.setParam('%s.orientation' % self.handle, [90,0,0]) |
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153 | |
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154 | ana_val = self.ana.runXY([0.1, 0.2]) |
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155 | sim_val = self.model.getIq2D(0.1, 0.2) |
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156 | #print ana_val, sim_val, sim_val/ana_val |
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157 | |
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158 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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159 | |
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160 | def testalongX(self): |
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161 | """ Testing cylinder along X axis """ |
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162 | self.ana.setParam('theta', 1.57) |
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163 | self.ana.setParam('phi', 0) |
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164 | |
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165 | self.model.setParam('%s.orientation' % self.handle, [0,0,90]) |
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166 | |
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167 | ana_val = self.ana.runXY([0.1, 0.2]) |
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168 | sim_val = self.model.getIq2D(0.1, 0.2) |
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169 | #print ana_val, sim_val, sim_val/ana_val |
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170 | |
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171 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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172 | |
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173 | class TestEllipsoid(unittest.TestCase): |
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174 | """ Tests for oriented (2D) systems """ |
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175 | |
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176 | def setUp(self): |
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177 | """ Set up ellipsoid """ |
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178 | |
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179 | radius_a = 60 |
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180 | radius_b = 10 |
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181 | density = 30 |
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182 | |
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183 | self.ana = EllipsoidModel() |
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184 | self.ana.setParam('scale', 1.0) |
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185 | self.ana.setParam('background', 0.0) |
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186 | self.ana.setParam('sld', 1.0) |
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187 | self.ana.setParam('sld_solvent', 0.0) |
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188 | self.ana.setParam('radius_polar', radius_a) |
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189 | self.ana.setParam('radius_equatorial', radius_b) |
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190 | # Default orientation is there=1.57, phi=0 |
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191 | # Radius_a is along the x direction |
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192 | |
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193 | canvas = VolumeCanvas.VolumeCanvas() |
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194 | self.handle = canvas.add('ellipsoid') |
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195 | canvas.setParam('lores_density', density) |
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196 | canvas.setParam('scale' , 1.0) |
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197 | canvas.setParam('background' , 0.0) |
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198 | canvas.setParam('%s.radius_x' % self.handle, radius_a) |
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199 | canvas.setParam('%s.radius_y' % self.handle, radius_b) |
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200 | canvas.setParam('%s.radius_z' % self.handle, radius_b) |
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201 | canvas.setParam('%s.contrast' % self.handle, 1.0) |
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202 | self.canvas = canvas |
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203 | |
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204 | def testalongX(self): |
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205 | """ Testing ellipsoid along X """ |
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206 | self.ana.setParam('theta', 1.57) |
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207 | self.ana.setParam('phi', 0) |
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208 | |
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209 | self.canvas.setParam('%s.orientation' % self.handle, [0,0,0]) |
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210 | |
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211 | ana_val = self.ana.runXY([0.1, 0.2]) |
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212 | sim_val = self.canvas.getIq2D(0.1, 0.2) |
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213 | #print ana_val, sim_val, sim_val/ana_val |
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214 | |
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215 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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216 | |
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217 | def testalongZ(self): |
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218 | """ Testing ellipsoid along Z """ |
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219 | self.ana.setParam('theta', 0) |
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220 | self.ana.setParam('phi', 0) |
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221 | |
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222 | self.canvas.setParam('%s.orientation' % self.handle, [0,90,0]) |
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223 | |
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224 | ana_val = self.ana.runXY([0.1, 0.2]) |
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225 | sim_val = self.canvas.getIq2D(0.1, 0.2) |
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226 | #print ana_val, sim_val, sim_val/ana_val |
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227 | |
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228 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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229 | |
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230 | def testalongY(self): |
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231 | """ Testing ellipsoid along Y """ |
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232 | self.ana.setParam('theta', math.pi/2.0) |
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233 | self.ana.setParam('phi', math.pi/2.0) |
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234 | |
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235 | self.canvas.setParam('%s.orientation' % self.handle, [0,0,90]) |
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236 | |
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237 | ana_val = self.ana.runXY([0.05, 0.15]) |
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238 | sim_val = self.canvas.getIq2D(0.05, 0.15) |
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239 | #print ana_val, sim_val, sim_val/ana_val |
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240 | |
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241 | try: |
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242 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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243 | except Exception: |
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244 | print("Error", ana_val, sim_val, sim_val/ana_val) |
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245 | raise |
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246 | |
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247 | class TestCoreShell(unittest.TestCase): |
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248 | """ Tests for oriented (2D) systems """ |
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249 | |
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250 | def setUp(self): |
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251 | """ Set up zero-SLD-average core-shell model """ |
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252 | |
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253 | radius = 15 |
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254 | thickness = 5 |
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255 | density = 20 |
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256 | |
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257 | core_vol = 4.0/3.0*math.pi*radius*radius*radius |
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258 | self.outer_radius = radius+thickness |
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259 | shell_vol = 4.0/3.0*math.pi*self.outer_radius*self.outer_radius*self.outer_radius - core_vol |
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260 | self.shell_sld = -1.0*core_vol/shell_vol |
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261 | |
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262 | self.density = density |
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263 | |
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264 | # Core-shell |
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265 | sphere = CoreShellModel() |
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266 | sphere.setParam('scale', 1.0) |
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267 | sphere.setParam('background', 0.0) |
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268 | # Core radius |
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269 | sphere.setParam('radius', radius) |
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270 | # Shell thickness |
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271 | sphere.setParam('thickness', thickness) |
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272 | sphere.setParam('sld_core', 1.0) |
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273 | sphere.setParam('sld_shell', self.shell_sld) |
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274 | sphere.setParam('sld_solvent', 0.0) |
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275 | self.ana = sphere |
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276 | |
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277 | canvas = VolumeCanvas.VolumeCanvas() |
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278 | canvas.setParam('lores_density', self.density) |
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279 | canvas.setParam('scale' , 1.0) |
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280 | canvas.setParam('background' , 0.0) |
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281 | |
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282 | handle = canvas.add('sphere') |
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283 | canvas.setParam('%s.radius' % handle, self.outer_radius) |
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284 | canvas.setParam('%s.contrast' % handle, self.shell_sld) |
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285 | |
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286 | handle2 = canvas.add('sphere') |
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287 | canvas.setParam('%s.radius' % handle2, radius) |
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288 | canvas.setParam('%s.contrast' % handle2, 1.0) |
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289 | |
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290 | self.canvas = canvas |
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291 | |
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292 | def testdefault(self): |
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293 | """ Testing default core-shell orientation """ |
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294 | ana_val = self.ana.runXY([0.1, 0.2]) |
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295 | sim_val, err = self.canvas.getIq2DError(0.1, 0.2) |
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296 | |
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297 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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298 | |
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299 | class TestCoreShellError(unittest.TestCase): |
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300 | """ Tests for oriented (2D) systems """ |
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301 | |
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302 | def setUp(self): |
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303 | """ Set up zero-SLD-average core-shell model """ |
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304 | |
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305 | radius = 15 |
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306 | thickness = 5 |
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307 | density = 5 |
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308 | |
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309 | core_vol = 4.0/3.0*math.pi*radius*radius*radius |
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310 | self.outer_radius = radius+thickness |
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311 | shell_vol = 4.0/3.0*math.pi*self.outer_radius*self.outer_radius*self.outer_radius - core_vol |
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312 | self.shell_sld = -1.0*core_vol/shell_vol |
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313 | |
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314 | self.density = density |
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315 | |
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316 | # Core-shell |
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317 | sphere = CoreShellModel() |
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318 | sphere.setParam('scale', 1.0) |
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319 | sphere.setParam('background', 0.0) |
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320 | # Core radius |
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321 | sphere.setParam('radius', radius) |
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322 | # Shell thickness |
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323 | sphere.setParam('thickness', thickness) |
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324 | sphere.setParam('sld_core', 1.0) |
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325 | sphere.setParam('sld_shell', self.shell_sld) |
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326 | sphere.setParam('sld_solvent', 0.0) |
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327 | self.ana = sphere |
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328 | |
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329 | canvas = VolumeCanvas.VolumeCanvas() |
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330 | canvas.setParam('lores_density', self.density) |
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331 | canvas.setParam('scale' , 1.0) |
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332 | canvas.setParam('background' , 0.0) |
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333 | |
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334 | handle = canvas.add('sphere') |
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335 | canvas.setParam('%s.radius' % handle, self.outer_radius) |
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336 | canvas.setParam('%s.contrast' % handle, self.shell_sld) |
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337 | |
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338 | handle2 = canvas.add('sphere') |
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339 | canvas.setParam('%s.radius' % handle2, radius) |
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340 | canvas.setParam('%s.contrast' % handle2, 1.0) |
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341 | |
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342 | self.canvas = canvas |
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343 | |
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344 | def testdefault(self): |
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345 | """ Testing default core-shell orientation """ |
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346 | ana_val = self.ana.runXY([0.1, 0.2]) |
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347 | sim_val, err = self.canvas.getIq2DError(0.1, 0.2) |
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348 | |
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349 | self.assert_( math.fabs(sim_val-ana_val) < 3.0 * err ) |
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350 | |
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351 | class TestRunMethods(unittest.TestCase): |
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352 | """ Tests run methods for oriented (2D) systems """ |
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353 | |
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354 | def setUp(self): |
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355 | """ Set up ellipsoid """ |
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356 | |
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357 | radius_a = 10 |
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358 | radius_b = 15 |
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359 | density = 5 |
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360 | |
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361 | self.ana = EllipsoidModel() |
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362 | self.ana.setParam('scale', 1.0) |
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363 | self.ana.setParam('background', 0.0) |
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364 | self.ana.setParam('sld', 1.0) |
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365 | self.ana.setParam('sld_solvent', 1.0) |
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366 | self.ana.setParam('radius_polar', radius_a) |
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367 | self.ana.setParam('radius_equatorial', radius_b) |
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368 | |
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369 | |
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370 | canvas = VolumeCanvas.VolumeCanvas() |
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371 | self.handle = canvas.add('ellipsoid') |
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372 | canvas.setParam('lores_density', density) |
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373 | canvas.setParam('scale' , 1.0) |
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374 | canvas.setParam('background' , 0.0) |
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375 | canvas.setParam('%s.radius_x' % self.handle, radius_a) |
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376 | canvas.setParam('%s.radius_y' % self.handle, radius_b) |
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377 | canvas.setParam('%s.radius_z' % self.handle, radius_b) |
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378 | canvas.setParam('%s.contrast' % self.handle, 1.0) |
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379 | self.canvas = canvas |
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380 | |
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381 | self.ana.setParam('theta', 1.57) |
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382 | self.ana.setParam('phi', 0) |
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383 | |
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384 | self.canvas.setParam('%s.orientation' % self.handle, [0,0,0]) |
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385 | |
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386 | |
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387 | def testRunXY_List(self): |
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388 | """ Testing ellipsoid along X """ |
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389 | ana_val = self.ana.runXY([0.1, 0.2]) |
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390 | sim_val = self.canvas.runXY([0.1, 0.2]) |
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391 | #print ana_val, sim_val, sim_val/ana_val |
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392 | |
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393 | try: |
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394 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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395 | except Exception: |
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396 | print("Error", ana_val, sim_val, sim_val/ana_val) |
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397 | raise |
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398 | |
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399 | def testRunXY_float(self): |
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400 | """ Testing ellipsoid along X """ |
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401 | ana_val = self.ana.runXY(0.1) |
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402 | sim_val = self.canvas.runXY(0.1) |
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403 | #print ana_val, sim_val, sim_val/ana_val |
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404 | |
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405 | try: |
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406 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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407 | except Exception: |
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408 | print("Error", ana_val, sim_val, sim_val/ana_val) |
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409 | raise |
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410 | |
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411 | def testRun_float(self): |
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412 | """ Testing ellipsoid along X """ |
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413 | ana_val = self.ana.run(0.1) |
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414 | sim_val = self.canvas.run(0.1) |
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415 | #print ana_val, sim_val, sim_val/ana_val |
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416 | |
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417 | try: |
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418 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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419 | except Exception: |
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420 | print("Error", ana_val, sim_val, sim_val/ana_val) |
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421 | raise |
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422 | |
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423 | def testRun_list(self): |
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424 | """ Testing ellipsoid along X """ |
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425 | ana_val = self.ana.run([0.1, 33.0]) |
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426 | sim_val = self.canvas.run([0.1, 33.0]) |
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427 | #print ana_val, sim_val, sim_val/ana_val |
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428 | |
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429 | try: |
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430 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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431 | except Exception: |
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432 | print("Error", ana_val, sim_val, sim_val/ana_val) |
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433 | raise |
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434 | |
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435 | class TestParamChange(unittest.TestCase): |
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436 | """ Tests for oriented (2D) systems """ |
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437 | |
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438 | def setUp(self): |
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439 | """ Set up cylinder model """ |
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440 | radius = 5 |
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441 | length = 40 |
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442 | density = 20 |
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443 | |
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444 | # Analytical model |
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445 | self.ana = CylinderModel() |
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446 | self.ana.setParam('scale', 1.0) |
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447 | self.ana.setParam('background', 0.0) |
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448 | self.ana.setParam('sld', 1.0) |
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449 | self.ana.setParam('sld_solvent', 0.0) |
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450 | self.ana.setParam('radius', radius) |
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451 | self.ana.setParam('length', length) |
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452 | self.ana.setParam('theta', math.pi/2.0) |
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453 | self.ana.setParam('phi', math.pi/2.0) |
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454 | |
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455 | # Simulation model |
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456 | self.model = VolumeCanvas.VolumeCanvas() |
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457 | self.handle = self.model.add('cylinder') |
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458 | self.model.setParam('lores_density', density) |
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459 | self.model.setParam('scale' , 1.0) |
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460 | self.model.setParam('background' , 0.0) |
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461 | self.model.setParam('%s.radius' % self.handle, radius) |
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462 | self.model.setParam('%s.length' % self.handle, length) |
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463 | self.model.setParam('%s.contrast' % self.handle, 1.0) |
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464 | self.model.setParam('%s.orientation' % self.handle, [0,0,0]) |
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465 | |
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466 | def testalongY(self): |
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467 | """ Test that a parameter change forces the generation |
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468 | of new space points |
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469 | """ |
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470 | ana_val = self.ana.runXY([0.1, 0.2]) |
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471 | sim_val = self.model.getIq2D(0.1, 0.2) |
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472 | |
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473 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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474 | |
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475 | # Change the radius a re-evaluate |
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476 | self.ana.setParam('radius', 10) |
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477 | self.model.setParam('%s.radius' % self.handle, 10) |
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478 | |
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479 | ana_val = self.ana.runXY([0.1, 0.2]) |
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480 | sim_val = self.model.getIq2D(0.1, 0.2) |
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481 | self.assert_( math.fabs(sim_val/ana_val-1.0)<0.05 ) |
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482 | |
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483 | |
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484 | if __name__ == '__main__': |
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485 | unittest.main() |
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