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/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2008-2010 Pelican Mapping
 * http://osgearth.org
 *
 * osgEarth is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */
#ifndef OSGEARTHSYMBOLOGY_MESH_SUBDIVIDER
#define OSGEARTHSYMBOLOGY_MESH_SUBDIVIDER

#include <osgEarthSymbology/Common>
#include <osgEarth/GeoMath>
#include <osg/Geometry>
#include <osg/PrimitiveSet>

namespace osgEarth { namespace Symbology
{
    class OSGEARTHSYMBOLOGY_EXPORT MeshSubdivider
    {
    public:
        MeshSubdivider(
            const osg::Matrixd& world2local =osg::Matrixd::identity(),
            const osg::Matrixd& local2world =osg::Matrixd::identity() );

        void setMaxElementsPerEBO( unsigned int value ) {
            _maxElementsPerEBO = value; }

        void run(
            osg::Geometry&   geom, 
            double           granurality_radians,
            GeoInterpolation interp =GEOINTERP_RHUMB_LINE );

    protected:
        osg::Matrixd _local2world, _world2local;
        unsigned int _maxElementsPerEBO;
    };

} } // namespace osgEarth::Symbology

#endif // OSGEARTHSYMBOLOGY_MESH_SUBDIVIDER