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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2015 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 from PROSTAR files
\*---------------------------------------------------------------------------*/
#include "starMesh.H"
#include "IFstream.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Foam::label Foam::starMesh::readVtxLabel(IFstream& is)
{
char lcs[16];
for (int i=0; i<15; i++)
{
is.get(lcs[i]);
}
lcs[15] = '\0';
return atoi(lcs);
}
Foam::scalar Foam::starMesh::readVtxCmpt(IFstream& is)
{
char lcs[17];
for (int i=0; i<16; i++)
{
is.get(lcs[i]);
}
lcs[16] = '\0';
return scalar(atof(lcs));
}
void Foam::starMesh::readToNl(IFstream& is)
{
char c;
do
{
is.get(c);
} while (is && c != '\n');
}
void Foam::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;
maxLabel = -1;
while (pointsFile)
{
pointLabel = readVtxLabel(pointsFile);
if (!pointsFile) break;
maxLabel = max(maxLabel, pointLabel);
readVtxCmpt(pointsFile);
readVtxCmpt(pointsFile);
readVtxCmpt(pointsFile);
readToNl(pointsFile);
nPoints++;
}
}
else
{
FatalErrorInFunction
<< "Cannot read file " << pointsFileName
<< abort(FatalError);
}
}
Info<< "Number of points = " << nPoints << endl << endl;
points_.setSize(nPoints);
#ifdef starMesh_H
starPointID_.setSize(nPoints);
// Reset STAR point ID, just in case
starPointID_ = -1;
#endif
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)
{
pointLabel = readVtxLabel(pointsFile);
points_[p].x() = readVtxCmpt(pointsFile);
points_[p].y() = readVtxCmpt(pointsFile);
points_[p].z() = readVtxCmpt(pointsFile);
readToNl(pointsFile);
#ifdef starMesh_H
starPointID_[p] = pointLabel;
#endif
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);
}
}
// ************************************************************************* //
|
