118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright held by original author
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Description
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Create intermediate mesh from PROSTAR files
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\*---------------------------------------------------------------------------*/
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#include "starMesh.H"
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#include "IFstream.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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void starMesh::readPoints(const scalar scaleFactor)
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{
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label nPoints = 0;
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label maxLabel = -1;
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fileName pointsFileName(casePrefix_ + ".vrt");
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{
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IFstream pointsFile(pointsFileName);
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// Pass 1: get # points and maximum vertex label
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if (pointsFile.good())
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{
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label pointLabel;
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scalar x, y, z;
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maxLabel = -1;
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while ((pointsFile >> pointLabel).good())
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{
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nPoints++;
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maxLabel = max(maxLabel, pointLabel);
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pointsFile >> x >> y >> z;
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}
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}
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else
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{
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FatalErrorIn("starMesh::readPoints()")
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<< "Cannot read file " << pointsFileName
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<< abort(FatalError);
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}
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}
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Info<< "Number of points = " << nPoints << endl << endl;
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points_.setSize(nPoints);
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starPointID_.setSize(nPoints);
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// Reset STAR point ID, just in case
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starPointID_ = -1;
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starPointLabelLookup_.setSize(maxLabel+1);
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// reset point labels to invalid value
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starPointLabelLookup_ = -1;
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if (nPoints > 0)
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{
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// Pass 2: construct pointlist and conversion table
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// from Star vertex numbers to Foam pointLabels
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IFstream pointsFile(pointsFileName);
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label pointLabel;
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forAll(points_, p)
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{
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pointsFile
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>> pointLabel
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>> points_[p].x()
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>> points_[p].y()
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>> points_[p].z();
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starPointID_[p] = pointLabel;
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starPointLabelLookup_[pointLabel] = p;
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}
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if (scaleFactor > 1.0 + SMALL || scaleFactor < 1.0 - SMALL)
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{
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points_ *= scaleFactor;
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}
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}
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else
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{
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FatalError
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<< "void starMesh::readPoints() : "
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<< "no points in file "
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<< pointsFileName
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<< abort(FatalError);
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}
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}
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// ************************************************************************* //
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