Creation of OpenFOAM-dev repository 15/04/2008

applications/utilities/postProcessing/sampling/sampleSurface/surfaceWriters/vtk/vtk.C

@@ -0,0 +1,330 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  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
+
+\*---------------------------------------------------------------------------*/
+
+#include "vtk.H"
+#include "fileName.H"
+#include "OFstream.H"
+#include "faceList.H"
+#include "OSspecific.H"
+
+// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
+
+template<class Type>
+void Foam::vtk<Type>::writeGeometry
+(
+    const pointField& points,
+    const faceList& faces,
+    Ostream& os
+) const
+{
+    // Write vertex coordinates
+
+    os
+        << "# vtk DataFile Version 2.0" << nl
+        << "sampleSurface" << nl
+        << "ASCII" << nl
+        << "DATASET POLYDATA" << nl;
+
+    os  << "POINTS " << points.size() << " float" << nl;
+
+    forAll(points, pointI)
+    {
+        const point& pt = points[pointI];
+
+        os  << float(pt.x()) << ' ' << float(pt.y()) << ' ' << float(pt.z())
+            << nl;
+    }
+    os  << endl;
+
+
+    // Write triangles
+
+    label nFaceVerts = 0;
+
+    forAll(faces, faceI)
+    {
+        const face& f = faces[faceI];
+
+        nFaceVerts += f.size() + 1;
+    }
+
+    os  << "POLYGONS " << faces.size() << ' ' << nFaceVerts << nl;
+
+    forAll(faces, faceI)
+    {
+        const face& f = faces[faceI];
+
+        os << f.size();
+
+        forAll(f, fp)
+        {
+            os << ' ' << f[fp];
+        }
+        os << nl;
+    }
+}
+
+
+// Write scalarField in vtk format
+template<class Type>
+void Foam::vtk<Type>::writeData
+(
+    const fileName& fieldName,
+    const pointField& points,
+    const scalarField& values,
+    Ostream& os
+) const
+{
+    // Write data
+    if (values.size() == points.size())
+    {
+        os  << "POINT_DATA " << values.size()
+            << nl
+            << "FIELD attributes 1" << nl;
+    }
+    else
+    {
+        os  << "CELL_DATA " << values.size()
+            << nl
+            << "FIELD attributes 1" << nl;
+    }
+
+    os  << fieldName << " 1 " << values.size() << " float" << nl;
+
+    forAll(values, elemI)
+    {
+        os << float(values[elemI]);
+
+        if (elemI > 0 && (elemI%10) == 0)
+        {
+            os << nl;
+        }
+        else
+        {
+            os << ' ';
+        }
+    }
+    os << nl;
+}
+
+
+// Write vectorField in vtk format
+template<class Type>
+void Foam::vtk<Type>::writeData
+(
+    const fileName& fieldName,
+    const pointField& points,
+    const vectorField& values,
+    Ostream& os
+) const
+{
+    // Write data
+    if (values.size() == points.size())
+    {
+        os  << "POINT_DATA " << values.size()
+            << nl
+            << "FIELD attributes 1" << nl;
+    }
+    else
+    {
+        os  << "CELL_DATA " << values.size()
+            << nl
+            << "FIELD attributes 1" << nl;
+    }
+
+    os  << fieldName << " 3 " << values.size() << " float" << nl;
+
+    forAll(values, elemI)
+    {
+        const vector& v = values[elemI];
+
+        os << float(v[0]) << ' ' << float(v[1]) << ' ' << float(v[2]) << nl;
+    }
+}
+
+
+// Write sphericalTensorField in vtk format
+template<class Type>
+void Foam::vtk<Type>::writeData
+(
+    const fileName& fieldName,
+    const pointField& points,
+    const sphericalTensorField& values,
+    Ostream& os
+) const
+{
+    // Write data
+    if (values.size() == points.size())
+    {
+        os  << "POINT_DATA " << values.size()
+            << nl
+            << "FIELD attributes 1" << nl;
+    }
+    else
+    {
+        os  << "CELL_DATA " << values.size()
+            << nl
+            << "FIELD attributes 1" << nl;
+    }
+
+    os  << fieldName << " 1 " << values.size() << " float" << nl;
+
+    forAll(values, elemI)
+    {
+        const sphericalTensor& v = values[elemI];
+
+        os  << float(v[0])
+            << nl;
+    }
+}
+
+
+// Write symmTensorField in vtk format
+template<class Type>
+void Foam::vtk<Type>::writeData
+(
+    const fileName& fieldName,
+    const pointField& points,
+    const symmTensorField& values,
+    Ostream& os
+) const
+{
+    // Write data
+    if (values.size() == points.size())
+    {
+        os  << "POINT_DATA " << values.size()
+            << nl
+            << "FIELD attributes 1" << nl;
+    }
+    else
+    {
+        os  << "CELL_DATA " << values.size()
+            << nl
+            << "FIELD attributes 1" << nl;
+    }
+
+    os  << fieldName << " 6 " << values.size() << " float" << nl;
+
+    forAll(values, elemI)
+    {
+        const symmTensor& v = values[elemI];
+
+        os  << float(v[0]) << ' ' << float(v[1]) << ' ' << float(v[2])
+            << float(v[3]) << ' ' << float(v[4]) << ' ' << float(v[5])
+            << nl;
+    }
+}
+
+
+// Write tensorField in vtk format
+template<class Type>
+void Foam::vtk<Type>::writeData
+(
+    const fileName& fieldName,
+    const pointField& points,
+    const tensorField& values,
+    Ostream& os
+) const
+{
+    // Write data
+    if (values.size() == points.size())
+    {
+        os  << "POINT_DATA " << values.size()
+            << nl
+            << "FIELD attributes 1" << nl;
+    }
+    else
+    {
+        os  << "CELL_DATA " << values.size()
+            << nl
+            << "FIELD attributes 1" << nl;
+    }
+
+    os  << fieldName << " 9 " << values.size() << " float" << nl;
+
+    forAll(values, elemI)
+    {
+        const tensor& v = values[elemI];
+
+        os  << float(v[0]) << ' ' << float(v[1]) << ' ' << float(v[2])
+            << float(v[3]) << ' ' << float(v[4]) << ' ' << float(v[5])
+            << float(v[6]) << ' ' << float(v[7]) << ' ' << float(v[8])
+            << nl;
+    }
+}
+
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+// Construct from components
+template<class Type>
+Foam::vtk<Type>::vtk()
+:
+    surfaceWriter<Type>()
+{}
+
+
+// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
+
+template<class Type>
+Foam::vtk<Type>::~vtk()
+{}
+
+
+// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
+
+template<class Type>
+void Foam::vtk<Type>::write
+(
+    const fileName& samplePath,
+    const fileName& timeDir,
+    const fileName& surfaceName,
+    const pointField& points,
+    const faceList& faces,
+    const fileName& fieldName,
+    const Field<Type>& values
+) const
+{
+    fileName surfaceDir(samplePath/timeDir);
+
+    if (!exists(surfaceDir))
+    {
+        mkDir(surfaceDir);
+    }
+
+    fileName planeFName(surfaceDir/fieldName + '_' + surfaceName + ".vtk");
+
+    Info<< "Writing field " << fieldName << " to " << planeFName << endl;
+
+    OFstream vtkFile(planeFName);
+
+    writeGeometry(points, faces, vtkFile);
+
+    writeData(fieldName, points, values, vtkFile);
+}
+
+
+// ************************************************************************* //