OpenFOAM-dev / data /src /OpenFOAM /meshes /primitiveMesh /PrimitivePatch /PrimitivePatchLocalPointOrder.C
| /*---------------------------------------------------------------------------*\ | |
| ========= | | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | |
| \\ / O peration | Website: https://openfoam.org | |
| \\ / A nd | Copyright (C) 2011-2019 OpenFOAM Foundation | |
| \\/ M anipulation | | |
| ------------------------------------------------------------------------------- | |
| License | |
| This file is part of OpenFOAM. | |
| OpenFOAM is free software: you can redistribute it and/or modify it | |
| under the terms of the GNU General Public License as published by | |
| the Free Software Foundation, either version 3 of the License, or | |
| (at your option) any later version. | |
| OpenFOAM is distributed in the hope that it will be useful, but WITHOUT | |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| for more details. | |
| You should have received a copy of the GNU General Public License | |
| along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. | |
| Description | |
| Orders the local points on the patch for most efficient search | |
| \*---------------------------------------------------------------------------*/ | |
| // * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * // | |
| template<class FaceList, class PointField> | |
| void Foam::PrimitivePatch<FaceList, PointField>::calcLocalPointOrder() const | |
| { | |
| // Note: Cannot use bandCompressing as point-point addressing does | |
| // not exist and is not considered generally useful. | |
| // | |
| if (debug) | |
| { | |
| Pout<< "PrimitivePatch<FaceList, PointField>::" | |
| << "calcLocalPointOrder() : " | |
| << "calculating local point order" | |
| << endl; | |
| } | |
| if (localPointOrderPtr_) | |
| { | |
| // it is considered an error to attempt to recalculate | |
| // if already allocated | |
| FatalErrorInFunction | |
| << "local point order already calculated" | |
| << abort(FatalError); | |
| } | |
| const List<FaceType>& lf = localFaces(); | |
| const labelListList& ff = faceFaces(); | |
| boolList visitedFace(lf.size(), false); | |
| localPointOrderPtr_ = new labelList(meshPoints().size(), -1); | |
| labelList& pointOrder = *localPointOrderPtr_; | |
| boolList visitedPoint(pointOrder.size(), false); | |
| label nPoints = 0; | |
| forAll(lf, facei) | |
| { | |
| if (!visitedFace[facei]) | |
| { | |
| SLList<label> faceOrder(facei); | |
| do | |
| { | |
| const label curFace = faceOrder.first(); | |
| faceOrder.removeHead(); | |
| if (!visitedFace[curFace]) | |
| { | |
| visitedFace[curFace] = true; | |
| const labelList& curPoints = lf[curFace]; | |
| // mark points | |
| forAll(curPoints, pointi) | |
| { | |
| if (!visitedPoint[curPoints[pointi]]) | |
| { | |
| visitedPoint[curPoints[pointi]] = true; | |
| pointOrder[nPoints] = curPoints[pointi]; | |
| nPoints++; | |
| } | |
| } | |
| // add face neighbours to the list | |
| const labelList& nbrs = ff[curFace]; | |
| forAll(nbrs, nbrI) | |
| { | |
| if (!visitedFace[nbrs[nbrI]]) | |
| { | |
| faceOrder.append(nbrs[nbrI]); | |
| } | |
| } | |
| } | |
| } while (faceOrder.size()); | |
| } | |
| } | |
| if (debug) | |
| { | |
| Pout<< "PrimitivePatch<FaceList, PointField>::" | |
| << "calcLocalPointOrder() " | |
| << "finished calculating local point order" | |
| << endl; | |
| } | |
| } | |
| // ************************************************************************* // | |