diff --git a/src/meshTools/Make/files b/src/meshTools/Make/files index 64437bdda8..99587f8d3c 100644 --- a/src/meshTools/Make/files +++ b/src/meshTools/Make/files @@ -107,6 +107,7 @@ $(pointSources)/faceToPoint/faceToPoint.C $(pointSources)/boxToPoint/boxToPoint.C $(pointSources)/surfaceToPoint/surfaceToPoint.C $(pointSources)/zoneToPoint/zoneToPoint.C +$(pointSources)/nearestToPoint/nearestToPoint.C surfaceSets/surfaceSets.C diff --git a/src/meshTools/sets/pointSources/nearestToPoint/nearestToPoint.C b/src/meshTools/sets/pointSources/nearestToPoint/nearestToPoint.C new file mode 100644 index 0000000000..f4b759c6fe --- /dev/null +++ b/src/meshTools/sets/pointSources/nearestToPoint/nearestToPoint.C @@ -0,0 +1,154 @@ +/*---------------------------------------------------------------------------*\ + ========= | + \\ / F ield | OpenFOAM: The Open Source CFD Toolbox + \\ / O peration | + \\ / A nd | Copyright (C) 1991-2008 OpenCFD Ltd. + \\/ 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 2 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, write to the Free Software Foundation, + Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +\*---------------------------------------------------------------------------*/ + +#include "nearestToPoint.H" +#include "polyMesh.H" +#include "meshSearch.H" + +#include "addToRunTimeSelectionTable.H" + +// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * // + +namespace Foam +{ + +defineTypeNameAndDebug(nearestToPoint, 0); + +addToRunTimeSelectionTable(topoSetSource, nearestToPoint, word); + +addToRunTimeSelectionTable(topoSetSource, nearestToPoint, istream); + +} + + +Foam::topoSetSource::addToUsageTable Foam::nearestToPoint::usage_ +( + nearestToPoint::typeName, + "\n Usage: nearestToPoint (pt0 .. ptn)\n\n" + " Select the nearest point for each of the points pt0 ..ptn\n\n" +); + + +// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * // + +void Foam::nearestToPoint::combine(topoSet& set, const bool add) const +{ + // Do linear search since usually just a few points. + + forAll(points_, pointI) + { + const pointField& pts = mesh_.points(); + + if (pts.size() > 0) + { + label minPointI = 0; + scalar minDistSqr = magSqr(pts[minPointI] - points_[pointI]); + + for (label i = 1; i < pts.size(); i++) + { + scalar distSqr = magSqr(pts[i] - points_[pointI]); + + if (distSqr < minDistSqr) + { + minDistSqr = distSqr; + minPointI = i; + } + } + + addOrDelete(set, minPointI, add); + } + } +} + + +// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * // + +// Construct from components +Foam::nearestToPoint::nearestToPoint +( + const polyMesh& mesh, + const pointField& points +) +: + topoSetSource(mesh), + points_(points) +{} + + +// Construct from dictionary +Foam::nearestToPoint::nearestToPoint +( + const polyMesh& mesh, + const dictionary& dict +) +: + topoSetSource(mesh), + points_(dict.lookup("points")) +{} + + +// Construct from Istream +Foam::nearestToPoint::nearestToPoint +( + const polyMesh& mesh, + Istream& is +) +: + topoSetSource(mesh), + points_(checkIs(is)) +{} + + +// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * // + +Foam::nearestToPoint::~nearestToPoint() +{} + + +// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * // + +void Foam::nearestToPoint::applyToSet +( + const topoSetSource::setAction action, + topoSet& set +) const +{ + if ((action == topoSetSource::NEW) || (action == topoSetSource::ADD)) + { + Info<< " Adding points nearest to " << points_ << endl; + + combine(set, true); + } + else if (action == topoSetSource::DELETE) + { + Info<< " Removing points nearest to " << points_ << endl; + + combine(set, false); + } +} + + +// ************************************************************************* // diff --git a/src/meshTools/sets/pointSources/nearestToPoint/nearestToPoint.H b/src/meshTools/sets/pointSources/nearestToPoint/nearestToPoint.H new file mode 100644 index 0000000000..ba63cc14f2 --- /dev/null +++ b/src/meshTools/sets/pointSources/nearestToPoint/nearestToPoint.H @@ -0,0 +1,122 @@ +/*---------------------------------------------------------------------------*\ + ========= | + \\ / F ield | OpenFOAM: The Open Source CFD Toolbox + \\ / O peration | + \\ / A nd | Copyright (C) 1991-2008 OpenCFD Ltd. + \\/ 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 2 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, write to the Free Software Foundation, + Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +Class + Foam::nearestToPoint + +Description + A topoSetSource to select points nearest to points. + +SourceFiles + nearestToPoint.C + +\*---------------------------------------------------------------------------*/ + +#ifndef nearestToPoint_H +#define nearestToPoint_H + +#include "topoSetSource.H" + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // + +namespace Foam +{ + +/*---------------------------------------------------------------------------*\ + Class nearestToPoint Declaration +\*---------------------------------------------------------------------------*/ + +class nearestToPoint +: + public topoSetSource +{ + + // Private data + + //- Add usage string + static addToUsageTable usage_; + + //- points to select nearest to + pointField points_; + + + // Private Member Functions + + void combine(topoSet& set, const bool add) const; + + +public: + + //- Runtime type information + TypeName("nearestToPoint"); + + // Constructors + + //- Construct from components + nearestToPoint + ( + const polyMesh& mesh, + const pointField& points + ); + + //- Construct from dictionary + nearestToPoint + ( + const polyMesh& mesh, + const dictionary& dict + ); + + //- Construct from Istream + nearestToPoint + ( + const polyMesh& mesh, + Istream& + ); + + + // Destructor + + virtual ~nearestToPoint(); + + + // Member Functions + + virtual void applyToSet + ( + const topoSetSource::setAction action, + topoSet& + ) const; + +}; + + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // + +} // End namespace Foam + +// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // + +#endif + +// ************************************************************************* //