Creation of OpenFOAM-dev repository 15/04/2008

applications/utilities/postProcessing/dataConversion/foamToVTK/writeFaceSet.C

@@ -0,0 +1,149 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2007 OpenCFD Ltd.
+     \\/     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 2 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, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+Description
+
+\*---------------------------------------------------------------------------*/
+
+#include "writeFaceSet.H"
+#include "OFstream.H"
+#include "writeFuns.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * Global Functions  * * * * * * * * * * * * * //
+
+void writeFaceSet
+(
+    const bool binary,
+    const vtkMesh& vMesh,
+    const faceSet& set,
+    const fileName& fileName
+)
+{
+    const faceList& faces = vMesh.mesh().faces();
+
+    std::ofstream pStream(fileName.c_str());
+
+    pStream
+        << "# vtk DataFile Version 2.0" << std::endl
+        << set.name() << std::endl;
+    if (binary)
+    {
+        pStream << "BINARY" << std::endl;
+    }
+    else
+    {
+        pStream << "ASCII" << std::endl;
+    }
+    pStream << "DATASET POLYDATA" << std::endl;
+
+
+    //------------------------------------------------------------------
+    //
+    // Write topology
+    // 
+    //------------------------------------------------------------------
+
+
+    // Construct primitivePatch of faces in faceSet.
+
+    faceList setFaces(set.size());
+    labelList setFaceLabels(set.size());
+    label setFaceI = 0;
+
+    for
+    (
+        faceSet::const_iterator iter = set.begin();
+        iter != set.end();
+        ++iter
+    )
+    {
+        setFaceLabels[setFaceI] = iter.key();
+        setFaces[setFaceI] = faces[iter.key()];
+        setFaceI++;
+    }
+    primitiveFacePatch fp(setFaces, vMesh.mesh().points());
+
+
+    // Write points and faces as polygons
+
+    pStream << "POINTS " << fp.nPoints() << " float" << std::endl;
+
+    DynamicList<floatScalar> ptField(3*fp.nPoints());
+
+    writeFuns::insert(fp.localPoints(), ptField);
+
+    writeFuns::write(pStream, binary, ptField);
+
+
+    label nFaceVerts = 0;
+
+    forAll(fp.localFaces(), faceI)
+    {
+        nFaceVerts += fp.localFaces()[faceI].size() + 1;
+    }
+    pStream << "POLYGONS " << fp.size() << ' ' << nFaceVerts
+        << std::endl;
+
+
+    DynamicList<label> vertLabels(nFaceVerts);
+
+    forAll(fp.localFaces(), faceI)
+    {
+        const face& f = fp.localFaces()[faceI];
+
+        vertLabels.append(f.size());
+
+        writeFuns::insert(f, vertLabels);
+    }
+    writeFuns::write(pStream, binary, vertLabels);
+
+
+    //-----------------------------------------------------------------
+    //
+    // Write data
+    // 
+    //-----------------------------------------------------------------
+
+    // Write faceID
+
+    pStream
+        << "CELL_DATA " << fp.size() << std::endl
+        << "FIELD attributes 1" << std::endl;
+
+    // Cell ids first
+    pStream << "faceID 1 " << fp.size() << " int" << std::endl;
+
+    writeFuns::write(pStream, binary, setFaceLabels);
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// ************************************************************************* //