ea71484efa
- In addition to the traditional Flex-based parser, added a Ragel-based
parser and a handwritten one.
Some representative timings for reading 5874387 points (1958129 tris):
Flex Ragel Manual
5.2s 4.8s 6.7s total reading time
3.8s 3.4s 5.3s without point merging
146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
/*---------------------------------------------------------------------------*\
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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 (C) 2018 OpenCFD Ltd.
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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
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the Free Software Foundation, either version 3 of the License, or
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(at your 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, see <http://www.gnu.org/licenses/>.
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Application
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Test-surfaceReading
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Description
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Test basic surface format reading capabilities (and speeds)
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Note
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The filename extensions are used to determine the file format type.
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\*---------------------------------------------------------------------------*/
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#include "argList.H"
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#include "Time.H"
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#include "clockTime.H"
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#include "triSurface.H"
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#include "MeshedSurfaces.H"
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#include "UnsortedMeshedSurfaces.H"
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#include "STLReader.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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argList::addNote
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(
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"Test basic surface format reading capabilities (and speeds)"
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);
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argList::noParallel();
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argList::addArgument("inputFile");
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argList::addBoolOption
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(
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"triSurface",
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"Use triSurface for read"
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);
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argList::addBoolOption
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(
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"triFace",
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"Use triFace instead of face"
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);
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argList::addBoolOption
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(
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"unsorted",
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"Use UnsortedMeshedSurface instead of MeshedSurface, "
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"or unsorted output (with -triSurface option)"
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);
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argList::addOption
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(
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"ext",
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"name",
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"Force alternative extension"
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);
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argList::addOption
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(
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"stl-parser",
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"N",
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"ASCII parser type: 0=Flex, 1=Ragel, 2=Manual"
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);
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#include "setRootCase.H"
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const fileName importName = args[1];
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word ext;
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if (!args.readIfPresent("ext", ext))
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{
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ext = importName.ext();
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if (ext == "gz")
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{
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ext = importName.lessExt().ext();
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}
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}
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args.readIfPresent("stl-parser", fileFormats::STLReader::parserType);
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clockTime timing;
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if (args.found("triSurface"))
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{
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triSurface surf(importName, ext);
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Info<< "Read surface:" << endl;
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surf.writeStats(Info);
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Info<< "Area : " << sum(surf.magSf()) << nl << endl;
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}
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else if (args.found("triFace"))
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{
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MeshedSurface<triFace> surf(importName, ext);
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Info<< "Read surface:" << endl;
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surf.writeStats(Info);
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Info<< "Area : " << sum(surf.magSf()) << nl << endl;
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}
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else if (args.found("unsorted"))
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{
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UnsortedMeshedSurface<face> surf(importName, ext);
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Info<< "Read surface:" << endl;
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surf.writeStats(Info);
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Info<< "Area : " << sum(surf.magSf()) << nl << endl;
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}
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else
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{
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MeshedSurface<face> surf(importName, ext);
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Info<< "Read surface:" << endl;
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surf.writeStats(Info);
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Info<< "Area : " << sum(surf.magSf()) << nl << endl;
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}
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Info<< nl << "Reading took " << timing.elapsedTime() << "s" << nl
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<< "\nEnd\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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