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| 131 | |
| 132 | //------------------------------------------------------------------------------ |
| 133 | int vtkReflectionFilter::RequestDataInternal( |
| 134 | vtkDataSet* input, vtkUnstructuredGrid* output, double bounds[6]) |
| 135 | { |
| 136 | double constant[3] = { 0.0, 0.0, 0.0 }; |
| 137 | int mirrorDir[3] = { 1, 1, 1 }; |
| 138 | int mirrorSymmetricTensorDir[6] = { 1, 1, 1, 1, 1, 1 }; |
| 139 | int mirrorTensorDir[9] = { 1, 1, 1, 1, 1, 1, 1, 1, 1 }; |
| 140 | |
| 141 | // Compture transformation |
| 142 | switch (this->Plane) |
| 143 | { |
| 144 | case USE_X_MIN: |
| 145 | constant[0] = 2 * bounds[0]; |
| 146 | break; |
| 147 | case USE_X_MAX: |
| 148 | constant[0] = 2 * bounds[1]; |
| 149 | break; |
| 150 | case USE_X: |
| 151 | constant[0] = 2 * this->Center; |
| 152 | break; |
| 153 | case USE_Y_MIN: |
| 154 | constant[1] = 2 * bounds[2]; |
| 155 | break; |
| 156 | case USE_Y_MAX: |
| 157 | constant[1] = 2 * bounds[3]; |
| 158 | break; |
| 159 | case USE_Y: |
| 160 | constant[1] = 2 * this->Center; |
| 161 | break; |
| 162 | case USE_Z_MIN: |
| 163 | constant[2] = 2 * bounds[4]; |
| 164 | break; |
| 165 | case USE_Z_MAX: |
| 166 | constant[2] = 2 * bounds[5]; |
| 167 | break; |
| 168 | case USE_Z: |
| 169 | constant[2] = 2 * this->Center; |
| 170 | break; |
| 171 | } |
| 172 | |
| 173 | // Compute the element-wise multiplication needed for |
| 174 | // vectors/sym tensors/tensors depending on the flipping axis |
| 175 | // |
| 176 | // For vectors it is as following |
| 177 | // X axis |
| 178 | // -1 1 1 |
| 179 | // Y axis |
| 180 | // 1 -1 1 |
| 181 | // Z axis |
| 182 | // 1 1 -1 |
| 183 | // |
| 184 | // For symmetric tensor it is as following |
| 185 | // X axis |
| 186 | // 1 -1 -1 |
| 187 | // 1 1 |
| 188 | // 1 |
| 189 | // Y axis |
| 190 | // 1 -1 1 |