116 lines
3.3 KiB
C++
116 lines
3.3 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | foam-extend: Open Source CFD
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\\ / O peration | Version: 4.1
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\\ / A nd | Web: http://www.foam-extend.org
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\\/ M anipulation | For copyright notice see file Copyright
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-------------------------------------------------------------------------------
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License
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This file is part of foam-extend.
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foam-extend 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 3 of the License, or (at your
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option) any later version.
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foam-extend is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 foam-extend. If not, see <http://www.gnu.org/licenses/>.
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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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