vtkSurfaceWriter.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
     \\/     M anipulation  | Copyright (C) 2015 OpenCFD Ltd.
-------------------------------------------------------------------------------
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 "vtkSurfaceWriter.H"
#include "makeSurfaceWriterMethods.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    makeSurfaceWriterType(vtkSurfaceWriter);
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::vtkSurfaceWriter::writeGeometry
(
    Ostream& os,
    const pointField& points,
    const faceList& faces
)
{
    // header
    os
        << "# vtk DataFile Version 2.0" << nl
        << "sampleSurface" << nl
        << "ASCII" << nl
        << "DATASET POLYDATA" << nl;
 
    // Write vertex coords
    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  << nl;
 
 
    // Write faces
    label nNodes = 0;
    forAll(faces, faceI)
    {
        nNodes += faces[faceI].size();
    }
 
    os  << "POLYGONS " << faces.size() << ' '
        << faces.size() + nNodes << nl;
 
    forAll(faces, faceI)
    {
        const face& f = faces[faceI];
 
        os  << f.size();
        forAll(f, fp)
        {
            os  << ' ' << f[fp];
        }
        os  << nl;
    }
}
 
 
namespace Foam
{
 
    template<>
    void Foam::vtkSurfaceWriter::writeData
    (
        Ostream& os,
        const Field<scalar>& values
    )
    {
        os  << "1 " << values.size() << " float" << nl;
 
        forAll(values, elemI)
        {
            if (elemI)
            {
                if (elemI % 10)
                {
                    os  << ' ';
                }
                else
                {
                    os  << nl;
                }
            }
 
            os  << float(values[elemI]);
        }
        os  << nl;
    }
 
 
    template<>
    void Foam::vtkSurfaceWriter::writeData
    (
        Ostream& os,
        const Field<vector>& values
    )
    {
        os  << "3 " << values.size() << " float" << nl;
 
        forAll(values, elemI)
        {
            const vector& v = values[elemI];
            os  << float(v[0]) << ' ' << float(v[1]) << ' ' << float(v[2])
                << nl;
        }
    }
 
 
    template<>
    void Foam::vtkSurfaceWriter::writeData
    (
        Ostream& os,
        const Field<sphericalTensor>& values
    )
    {
        os  << "1 " << values.size() << " float" << nl;
 
        forAll(values, elemI)
        {
            const sphericalTensor& v = values[elemI];
            os  << float(v[0]) << nl;
        }
    }
 
 
    template<>
    void Foam::vtkSurfaceWriter::writeData
    (
        Ostream& os,
        const Field<symmTensor>& values
    )
    {
        os  << "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;
 
        }
    }
 
 
    template<>
    void Foam::vtkSurfaceWriter::writeData
    (
        Ostream& os,
        const Field<tensor>& values
    )
    {
        os  << "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  * * * * * * * * * * * * * * //
 
Foam::vtkSurfaceWriter::vtkSurfaceWriter()
:
    surfaceWriter()
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::vtkSurfaceWriter::~vtkSurfaceWriter()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::fileName Foam::vtkSurfaceWriter::write
(
    const fileName& outputDir,
    const fileName& surfaceName,
    const pointField& points,
    const faceList& faces,
    const bool verbose
) const
{
    if (!isDir(outputDir))
    {
        mkDir(outputDir);
    }
 
    OFstream os(outputDir/surfaceName + ".vtk");
 
    if (verbose)
    {
        Info<< "Writing geometry to " << os.name() << endl;
    }
 
    writeGeometry(os, points, faces);
 
    return os.name();
}
 
 
// create write methods
defineSurfaceWriterWriteFields(Foam::vtkSurfaceWriter);
 
 
// ************************************************************************* //