Files
openfoam/src/OpenFOAM/meshes/primitiveMesh/PrimitivePatch/PrimitivePatchMeshData.C
2009-03-18 11:46:24 +00:00

374 lines
9.9 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2009 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 "PrimitivePatch.H"
#include "Map.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
template
<
class Face,
template<class> class FaceList,
class PointField,
class PointType
>
void
Foam::PrimitivePatch<Face, FaceList, PointField, PointType>::
calcMeshData() const
{
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcMeshData() : "
"calculating mesh data in PrimitivePatch"
<< endl;
}
// It is considered an error to attempt to recalculate meshPoints
// if they have already been calculated.
if (meshPointsPtr_ || localFacesPtr_)
{
FatalErrorIn
(
"PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcMeshData()"
) << "meshPointsPtr_ or localFacesPtr_already allocated"
<< abort(FatalError);
}
// Create a map for marking points. Estimated size is 4 times the
// number of faces in the patch
Map<label> markedPoints(4*this->size());
// Important:
// ~~~~~~~~~~
// In <= 1.5 the meshPoints would be in increasing order but this gives
// problems in processor point synchronisation where we have to find out
// how the opposite side would have allocated points.
////- 1.5 code:
//// if the point is used, set the mark to 1
//forAll (*this, faceI)
//{
// const Face& curPoints = this->operator[](faceI);
//
// forAll (curPoints, pointI)
// {
// markedPoints.insert(curPoints[pointI], -1);
// }
//}
//
//// Create the storage and store the meshPoints. Mesh points are
//// the ones marked by the usage loop above
//meshPointsPtr_ = new labelList(markedPoints.toc());
//labelList& pointPatch = *meshPointsPtr_;
//
//// Sort the list to preserve compatibility with the old ordering
//sort(pointPatch);
//
//// For every point in map give it its label in mesh points
//forAll (pointPatch, pointI)
//{
// markedPoints.find(pointPatch[pointI])() = pointI;
//}
//- Unsorted version:
DynamicList<label> meshPoints(2*this->size());
forAll (*this, faceI)
{
const Face& curPoints = this->operator[](faceI);
forAll (curPoints, pointI)
{
if (markedPoints.insert(curPoints[pointI], meshPoints.size()))
{
meshPoints.append(curPoints[pointI]);
}
}
}
// Transfer to straight list (reuses storage)
meshPointsPtr_ = new labelList(meshPoints, true);
// Create local faces. Note that we start off from copy of original face
// list (even though vertices are overwritten below). This is done so
// additional data gets copied (e.g. region number of labelledTri)
localFacesPtr_ = new List<Face>(*this);
List<Face>& lf = *localFacesPtr_;
forAll (*this, faceI)
{
const Face& curFace = this->operator[](faceI);
lf[faceI].setSize(curFace.size());
forAll (curFace, labelI)
{
lf[faceI][labelI] = markedPoints.find(curFace[labelI])();
}
}
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcMeshData() : "
"finished calculating mesh data in PrimitivePatch"
<< endl;
}
}
template
<
class Face,
template<class> class FaceList,
class PointField,
class PointType
>
void
Foam::PrimitivePatch<Face, FaceList, PointField, PointType>::
calcMeshPointMap() const
{
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcMeshPointMap() : "
"calculating mesh point map in PrimitivePatch"
<< endl;
}
// It is considered an error to attempt to recalculate meshPoints
// if they have already been calculated.
if (meshPointMapPtr_)
{
FatalErrorIn
(
"PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcMeshPointMap()"
) << "meshPointMapPtr_ already allocated"
<< abort(FatalError);
}
const labelList& mp = meshPoints();
meshPointMapPtr_ = new Map<label>(2*mp.size());
Map<label>& mpMap = *meshPointMapPtr_;
forAll (mp, i)
{
mpMap.insert(mp[i], i);
}
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcMeshPointMap() : "
"finished calculating mesh point map in PrimitivePatch"
<< endl;
}
}
template
<
class Face,
template<class> class FaceList,
class PointField,
class PointType
>
void
Foam::PrimitivePatch<Face, FaceList, PointField, PointType>::
calcLocalPoints() const
{
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcLocalPoints() : "
"calculating localPoints in PrimitivePatch"
<< endl;
}
// It is considered an error to attempt to recalculate localPoints
// if they have already been calculated.
if (localPointsPtr_)
{
FatalErrorIn
(
"PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcLocalPoints()"
) << "localPointsPtr_already allocated"
<< abort(FatalError);
}
const labelList& meshPts = meshPoints();
localPointsPtr_ = new Field<PointType>(meshPts.size());
Field<PointType>& locPts = *localPointsPtr_;
forAll (meshPts, pointI)
{
locPts[pointI] = points_[meshPts[pointI]];
}
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
<< "calcLocalPoints() : "
<< "finished calculating localPoints in PrimitivePatch"
<< endl;
}
}
template
<
class Face,
template<class> class FaceList,
class PointField,
class PointType
>
void
Foam::PrimitivePatch<Face, FaceList, PointField, PointType>::
calcPointNormals() const
{
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcPointNormals() : "
"calculating pointNormals in PrimitivePatch"
<< endl;
}
// It is considered an error to attempt to recalculate pointNormals
// if they have already been calculated.
if (pointNormalsPtr_)
{
FatalErrorIn
(
"PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcPointNormals()"
) << "pointNormalsPtr_already allocated"
<< abort(FatalError);
}
const Field<PointType>& faceUnitNormals = faceNormals();
const labelListList& pf = pointFaces();
pointNormalsPtr_ = new Field<PointType>
(
meshPoints().size(),
PointType::zero
);
Field<PointType>& n = *pointNormalsPtr_;
forAll (pf, pointI)
{
PointType& curNormal = n[pointI];
const labelList& curFaces = pf[pointI];
forAll (curFaces, faceI)
{
curNormal += faceUnitNormals[curFaces[faceI]];
}
curNormal /= mag(curNormal) + VSMALL;
}
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcPointNormals() : "
"finished calculating pointNormals in PrimitivePatch"
<< endl;
}
}
template
<
class Face,
template<class> class FaceList,
class PointField,
class PointType
>
void
Foam::PrimitivePatch<Face, FaceList, PointField, PointType>::
calcFaceNormals() const
{
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcFaceNormals() : "
"calculating faceNormals in PrimitivePatch"
<< endl;
}
// It is considered an error to attempt to recalculate faceNormals
// if they have already been calculated.
if (faceNormalsPtr_)
{
FatalErrorIn
(
"PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcFaceNormals()"
) << "faceNormalsPtr_already allocated"
<< abort(FatalError);
}
faceNormalsPtr_ = new Field<PointType>(this->size());
Field<PointType>& n = *faceNormalsPtr_;
forAll (n, faceI)
{
n[faceI] = this->operator[](faceI).normal(points_);
n[faceI] /= mag(n[faceI]) + VSMALL;
}
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcFaceNormals() : "
"finished calculating faceNormals in PrimitivePatch"
<< endl;
}
}
// ************************************************************************* //