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foam-extend4.1-coherent-io/applications/utilities/mesh/conversion/starToFoam/readSeparatedPoints.C
2015-05-17 15:58:16 +02:00

116 lines
3.3 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration | Version: 3.2
\\ / A nd | Web: http://www.foam-extend.org
\\/ M anipulation | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
This file is part of foam-extend.
foam-extend 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.
foam-extend 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
Description
Create intermediate mesh from PROSTAR files
\*---------------------------------------------------------------------------*/
#include "starMesh.H"
#include "IFstream.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
void starMesh::readPoints(const scalar scaleFactor)
{
label nPoints = 0;
label maxLabel = -1;
fileName pointsFileName(casePrefix_ + ".vrt");
{
IFstream pointsFile(pointsFileName);
// Pass 1: get # points and maximum vertex label
if (pointsFile.good())
{
label pointLabel;
scalar x, y, z;
maxLabel = -1;
while ((pointsFile >> pointLabel).good())
{
nPoints++;
maxLabel = max(maxLabel, pointLabel);
pointsFile >> x >> y >> z;
}
}
else
{
FatalErrorIn("starMesh::readPoints()")
<< "Cannot read file " << pointsFileName
<< abort(FatalError);
}
}
Info<< "Number of points = " << nPoints << endl << endl;
points_.setSize(nPoints);
starPointID_.setSize(nPoints);
// Reset STAR point ID, just in case
starPointID_ = -1;
starPointLabelLookup_.setSize(maxLabel+1);
// reset point labels to invalid value
starPointLabelLookup_ = -1;
if (nPoints > 0)
{
// Pass 2: construct pointlist and conversion table
// from Star vertex numbers to Foam pointLabels
IFstream pointsFile(pointsFileName);
label pointLabel;
forAll(points_, p)
{
pointsFile
>> pointLabel
>> points_[p].x()
>> points_[p].y()
>> points_[p].z();
starPointID_[p] = pointLabel;
starPointLabelLookup_[pointLabel] = p;
}
if (scaleFactor > 1.0 + SMALL || scaleFactor < 1.0 - SMALL)
{
points_ *= scaleFactor;
}
}
else
{
FatalError
<< "void starMesh::readPoints() : "
<< "no points in file "
<< pointsFileName
<< abort(FatalError);
}
}
// ************************************************************************* //