writeAC.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     3.2
    \\  /    A nd           | Web:         http://www.foam-extend.org
     \\/     M anipulation  | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
    This file is part of foam-extend.
 
    foam-extend 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.
 
    foam-extend 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 foam-extend.  If not, see <http://www.gnu.org/licenses/>.
 
Description
 
\*---------------------------------------------------------------------------*/
 
#include "triSurface.H"
#include "IOmanip.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void triSurface::writeAC(Ostream& os) const
{
    // Write with patches as separate objects under "world" object.
    // Header is taken over from sample file.
    // Defines separate materials for all patches. Recycle colours.
 
    // Define 8 standard colours as r,g,b components
    static scalar colourMap[] =
    {
        1, 1, 1,
        1, 0, 0,
        0, 1, 0,
        0, 0, 1,
        1, 1, 0,
        0, 1, 1,
        1, 0, 1,
        0.5, 0.5, 1
    };
 
    // Calculate patch face indexing
 
    labelList faceMap;
 
    surfacePatchList myPatches(calcPatches(faceMap));
 
 
    // Write header. Define materials.
 
    os  << "AC3Db" << endl;
 
    forAll(myPatches, patchI)
    {
        const word& pName = myPatches[patchI].name();
 
        label colourI = patchI % 8;
        label colourCompI = 3 * colourI;
 
        os  << "MATERIAL \"" << pName << "Mat\" rgb "
            << colourMap[colourCompI] << ' ' << colourMap[colourCompI+1]
            << ' ' << colourMap[colourCompI+2]
            << "  amb 0.2 0.2 0.2  emis 0 0 0  spec 0.5 0.5 0.5  shi 10"
            << "  trans 0"
            << endl;
    }
 
    os  << "OBJECT world" << endl
        << "kids " << myPatches.size() << endl;
 
 
    // Write patch points & faces.
 
    label faceIndex = 0;
 
    forAll(myPatches, patchI)
    {
        const surfacePatch& sp = myPatches[patchI];
 
        os  << "OBJECT poly" << endl
            << "name \"" << sp.name() << '"' << endl;
 
        // Create patch with only patch faces included for ease of addressing
 
        boolList include(size(), false);
 
        forAll(sp, patchFaceI)
        {
            const label faceI = faceMap[faceIndex++];
 
            include[faceI] = true;
        }
 
        labelList pointMap;
        labelList faceMap;
 
        triSurface patch = subsetMesh(include, pointMap, faceMap);
 
        // Now we have triSurface for this patch alone. Write it.
 
        os << "numvert " << patch.nPoints() << endl;
 
        forAll(patch.localPoints(), ptI)
        {
            const point& pt = patch.localPoints()[ptI];
 
            os << pt.x() << ' ' << pt.y() << ' ' << pt.z() << endl;
        }
 
        os << "numsurf " << patch.localFaces().size() << endl;
 
        forAll(patch.localFaces(), faceI)
        {
            const labelledTri& f = patch.localFaces()[faceI];
 
            os  << "SURF 0x20" << endl          // polygon
                << "mat " << patchI << endl
                << "refs " << f.size() << endl;
 
            os << f[0] << " 0 0" << endl;
            os << f[1] << " 0 0" << endl;
            os << f[2] << " 0 0" << endl;
        }
 
        os << "kids 0" << endl;
    }
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //