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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2019 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/>.
\*---------------------------------------------------------------------------*/
#include "TRIsurfaceFormat.H"
#include "ListOps.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
template<class Face>
inline void Foam::fileFormats::TRIsurfaceFormat<Face>::writeShell
(
Ostream& os,
const pointField& pointLst,
const Face& f,
const label zoneI
)
{
// simple triangulation about f[0].
// better triangulation should have been done before
const point& p0 = pointLst[f[0]];
for (label fp1 = 1; fp1 < f.size() - 1; ++fp1)
{
label fp2 = f.fcIndex(fp1);
const point& p1 = pointLst[f[fp1]];
const point& p2 = pointLst[f[fp2]];
os << p0.x() << ' ' << p0.y() << ' ' << p0.z() << ' '
<< p1.x() << ' ' << p1.y() << ' ' << p1.z() << ' '
<< p2.x() << ' ' << p2.y() << ' ' << p2.z() << ' '
// zone as colour
<< "0x" << hex << zoneI << dec << endl;
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
template<class Face>
Foam::fileFormats::TRIsurfaceFormat<Face>::TRIsurfaceFormat
(
const fileName& filename
)
{
read(filename);
}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class Face>
bool Foam::fileFormats::TRIsurfaceFormat<Face>::read
(
const fileName& filename
)
{
this->clear();
// read in the values
TRIsurfaceFormatCore reader(filename);
// transfer points
this->storedPoints().transfer(reader.points());
// retrieve the original zone information
List<label> sizes(move(reader.sizes()));
List<label> zoneIds(move(reader.zoneIds()));
// generate the (sorted) faces
List<Face> faceLst(zoneIds.size());
if (reader.sorted())
{
// already sorted - generate directly
forAll(faceLst, facei)
{
const label startPt = 3*facei;
faceLst[facei] = triFace(startPt, startPt+1, startPt+2);
}
}
else
{
// unsorted - determine the sorted order:
// avoid SortableList since we discard the main list anyhow
List<label> faceMap;
sortedOrder(zoneIds, faceMap);
// generate sorted faces
forAll(faceMap, facei)
{
const label startPt = 3*faceMap[facei];
faceLst[facei] = triFace(startPt, startPt+1, startPt+2);
}
}
zoneIds.clear();
// transfer:
this->storedFaces().transfer(faceLst);
this->addZones(sizes);
this->stitchFaces(small);
return true;
}
template<class Face>
void Foam::fileFormats::TRIsurfaceFormat<Face>::write
(
const fileName& filename,
const MeshedSurfaceProxy<Face>& surf
)
{
const pointField& pointLst = surf.points();
const List<Face>& faceLst = surf.faces();
const List<label>& faceMap = surf.faceMap();
const List<surfZone>& zones =
(
surf.surfZones().empty()
? surfaceFormatsCore::oneZone(faceLst)
: surf.surfZones()
);
const bool useFaceMap = (surf.useFaceMap() && zones.size() > 1);
OFstream os(filename);
if (!os.good())
{
FatalErrorInFunction
<< "Cannot open file for writing " << filename
<< exit(FatalError);
}
label faceIndex = 0;
forAll(zones, zoneI)
{
const surfZone& zone = zones[zoneI];
if (useFaceMap)
{
forAll(zone, localFacei)
{
const Face& f = faceLst[faceMap[faceIndex++]];
writeShell(os, pointLst, f, zoneI);
}
}
else
{
forAll(zone, localFacei)
{
const Face& f = faceLst[faceIndex++];
writeShell(os, pointLst, f, zoneI);
}
}
}
}
template<class Face>
void Foam::fileFormats::TRIsurfaceFormat<Face>::write
(
const fileName& filename,
const UnsortedMeshedSurface<Face>& surf
)
{
const pointField& pointLst = surf.points();
const List<Face>& faceLst = surf.faces();
OFstream os(filename);
if (!os.good())
{
FatalErrorInFunction
<< "Cannot open file for writing " << filename
<< exit(FatalError);
}
// a single zone needs no sorting
if (surf.zoneToc().size() == 1)
{
const List<label>& zoneIds = surf.zoneIds();
forAll(faceLst, facei)
{
writeShell(os, pointLst, faceLst[facei], zoneIds[facei]);
}
}
else
{
labelList faceMap;
List<surfZone> zoneLst = surf.sortedZones(faceMap);
label faceIndex = 0;
forAll(zoneLst, zoneI)
{
forAll(zoneLst[zoneI], localFacei)
{
const Face& f = faceLst[faceMap[faceIndex++]];
writeShell(os, pointLst, f, zoneI);
}
}
}
}
// ************************************************************************* //
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