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openfoam/src/OpenFOAM/meshes/primitiveMesh/PrimitivePatch/PrimitivePatchMeshData.C

489 lines
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C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2015 OpenFOAM Foundation
\\/ M anipulation | Copyright (C) 2016 OpenCFD Ltd.
-------------------------------------------------------------------------------
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/>.
\*---------------------------------------------------------------------------*/
#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_)
{
FatalErrorInFunction
<< "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_)
{
FatalErrorInFunction
<< "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_)
{
FatalErrorInFunction
<< "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_)
{
FatalErrorInFunction
<< "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];
for (const label facei : curFaces)
{
curNormal += faceUnitNormals[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>::
calcFaceCentres() const
{
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcFaceCentres() : "
"calculating faceCentres in PrimitivePatch"
<< endl;
}
// It is considered an error to attempt to recalculate faceCentres
// if they have already been calculated.
if (faceCentresPtr_)
{
FatalErrorInFunction
<< "faceCentresPtr_ already allocated"
<< abort(FatalError);
}
faceCentresPtr_ = new Field<PointType>(this->size());
Field<PointType>& c = *faceCentresPtr_;
forAll(c, facei)
{
c[facei] = this->operator[](facei).centre(points_);
}
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcFaceCentres() : "
"finished calculating faceCentres in PrimitivePatch"
<< endl;
}
}
template
<
class Face,
template<class> class FaceList,
class PointField,
class PointType
>
void
Foam::PrimitivePatch<Face, FaceList, PointField, PointType>::
calcMagFaceAreas() const
{
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcMagFaceAreas() : "
"calculating magFaceAreas in PrimitivePatch"
<< endl;
}
// It is an error to calculate these more than once.
if (magFaceAreasPtr_)
{
FatalErrorInFunction
<< "magFaceAreasPtr_ already allocated"
<< abort(FatalError);
}
magFaceAreasPtr_ = new Field<scalar>(this->size());
Field<scalar>& a = *magFaceAreasPtr_;
forAll(a, facei)
{
a[facei] = this->operator[](facei).mag(points_);
}
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcMagFaceAreas() : "
"finished calculating magFaceAreas in PrimitivePatch"
<< endl;
}
}
template
<
class Face,
template<class> class FaceList,
class PointField,
class PointType
>
void
Foam::PrimitivePatch<Face, FaceList, PointField, PointType>::
calcFaceAreas() const
{
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcFaceAreas() : "
"calculating faceAreas in PrimitivePatch"
<< endl;
}
// It is considered an error to attempt to recalculate faceNormals
// if they have already been calculated.
if (faceAreasPtr_)
{
FatalErrorInFunction
<< "faceAreasPtr_ already allocated"
<< abort(FatalError);
}
faceAreasPtr_ = new Field<PointType>(this->size());
Field<PointType>& n = *faceAreasPtr_;
forAll(n, facei)
{
n[facei] = this->operator[](facei).areaNormal(points_);
}
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcFaceAreas() : "
"finished calculating faceAreas 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_)
{
FatalErrorInFunction
<< "faceNormalsPtr_ already allocated"
<< abort(FatalError);
}
faceNormalsPtr_ = new Field<PointType>(this->size());
Field<PointType>& n = *faceNormalsPtr_;
forAll(n, facei)
{
n[facei] = this->operator[](facei).unitNormal(points_);
}
if (debug)
{
Pout<< "PrimitivePatch<Face, FaceList, PointField, PointType>::"
"calcFaceNormals() : "
"finished calculating faceNormals in PrimitivePatch"
<< endl;
}
}
// ************************************************************************* //