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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 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
Create intermediate mesh files from PROSTAR files
\*---------------------------------------------------------------------------*/
#include "starMesh.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
void Foam::starMesh::calcPointCells() const
{
static const label UNIT_POINT_CELLS = 12;
if (pointCellsPtr_)
{
FatalErrorInFunction
<< "pointCells already calculated"
<< abort(FatalError);
}
pointCellsPtr_ = new labelListList(points_.size());
labelListList& pc = *pointCellsPtr_;
forAll(pc, i)
{
pc[i].setSize(UNIT_POINT_CELLS);
}
// Initialise the list of labels which will hold the count the
// actual number of cells per point during the analysis
labelList cellCount(points_.size());
forAll(cellCount, i)
{
cellCount[i] = 0;
}
// Note. Unlike the standard point-cell algorithm, which asks the cell for
// the supporting point labels, we need to work based on the cell faces.
// This is because some of the faces for meshes with arbitrary interfaces
// do not come from the cell shape, but from the slaves of the coupled
// match. It is also adventageous to remove the duplicates from the
// point-cell addressing, because this removes a lot of waste later.
//
// For each cell
forAll(cellShapes_, celli)
{
const faceList& faces = cellFaces_[celli];
forAll(faces, i)
{
// For each vertex
const labelList& labels = faces[i];
forAll(labels, j)
{
// Set working point label
label curPoint = labels[j];
labelList& curPointCells = pc[curPoint];
label curCount = cellCount[curPoint];
// check if the cell has been added before
bool found = false;
for (label f = 0; f < curCount; f++)
{
if (curPointCells[f] == celli)
{
found = true;
break;
}
}
if (!found)
{
// If the list of pointCells is not big enough, double it
if (curPointCells.size() <= curCount)
{
curPointCells.setSize(curPointCells.size()*2);
}
// Enter the cell label in the point's cell list
curPointCells[curCount] = celli;
// Increment the cell count for the point addressed
cellCount[curPoint]++;
}
}
}
}
// Finally, truncate the lists made to their active size
forAll(pc, i)
{
pc[i].setSize(cellCount[i]);
}
}
const Foam::labelListList& Foam::starMesh::pointCells() const
{
if (!pointCellsPtr_)
{
calcPointCells();
}
return *pointCellsPtr_;
}
// ************************************************************************* //
|
