| 202 | |
| 203 | |
| 204 | labelList Foam::fvMeshSubset::subset |
| 205 | ( |
| 206 | const label nElems, |
| 207 | const labelList& selectedElements, |
| 208 | const labelList& subsetMap |
| 209 | ) |
| 210 | { |
| 211 | // Mark selected elements. |
| 212 | boolList selected(nElems, false); |
| 213 | forAll(selectedElements, i) |
| 214 | { |
| 215 | selected[selectedElements[i]] = true; |
| 216 | } |
| 217 | |
| 218 | // Count subset of selected elements |
| 219 | label n = 0; |
| 220 | forAll(subsetMap, i) |
| 221 | { |
| 222 | if (selected[subsetMap[i]]) |
| 223 | { |
| 224 | n++; |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | // Collect selected elements |
| 229 | labelList subsettedElements(n); |
| 230 | n = 0; |
| 231 | |
| 232 | forAll(subsetMap, i) |
| 233 | { |
| 234 | if (selected[subsetMap[i]]) |
| 235 | { |
| 236 | subsettedElements[n++] = i; |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | return subsettedElements; |
| 241 | } |
| 242 | |
| 243 | |
| 244 | void Foam::fvMeshSubset::subsetZones() |