centroid.h 5.34 KB
Newer Older
Pierre Kraemer's avatar
Pierre Kraemer committed
1 2 3
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
4
* Copyright (C) 2009-2011, IGG Team, LSIIT, University of Strasbourg           *
Pierre Kraemer's avatar
Pierre Kraemer committed
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
*                                                                              *
* This library 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 2.1 of the License, or (at your     *
* option) any later version.                                                   *
*                                                                              *
* This library 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 library; if not, write to the Free Software Foundation,      *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
*                                                                              *
20
* Web site: http://cgogn.u-strasbg.fr/                                         *
Pierre Kraemer's avatar
Pierre Kraemer committed
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

#ifndef __ALGO_GEOMETRY_CENTROID_H__
#define __ALGO_GEOMETRY_CENTROID_H__

#include "Geometry/basic.h"
#include "Topology/generic/attribops.h"

namespace CGoGN
{

namespace Algo
{

namespace Geometry
{

/**
* Compute volume centroid (generic version)
*  Pre: closed volume & embedded vertices
* Template param:
*  PFP:  as usual
*  EMBV: attributes vector type  or cell type (VertexCell, FaceCell, ...)
*  EMB:  type of attribute (Geom::Vec3f) or cell type (VertexCell, FaceCell, ...)
* @param map the map
* @param d a dart of the face
* @param attributs the vector of attribute or cell
*/
template <typename PFP, typename EMBV, typename EMB>
EMB volumeCentroidGen(typename PFP::MAP& map, Dart d, const EMBV& attributs);

/**
* Compute volume centroid
* Pre: closed volume & embedded vertices
 * @param map the map
 * @param d a dart of the face
 * @param position the vector of attribute
 */
template <typename PFP>
typename PFP::VEC3 volumeCentroid(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& position)
{
	return volumeCentroidGen<PFP, typename PFP::TVEC3, typename PFP::VEC3>(map, d, position);
}

/**
 * Compute face centroid (generic version)
 * Template param:
 *  PFP:  as usual
 *  EMBV: attributes vector type  or cell type (VertexCell, FaceCell, ...)
 *  EMB:  type of attribute (Geom::Vec3f) or cell type (VertexCell, FaceCell, ...)
 * @param map the map
 * @param d a dart of the face
 * @param attributs the vector of attribute or cell
 */
template <typename PFP, typename EMBV, typename EMB>
EMB faceCentroidGen(typename PFP::MAP& map, Dart d, const EMBV& attributs);

/**
* Compute face centroid
* Pre: closed face & embedded vertices
 * @param map the map
 * @param d a dart of the face
 * @param position the vector of attribute
 */
template <typename PFP>
typename PFP::VEC3 faceCentroid(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& position)
{
	return faceCentroidGen<PFP, typename PFP::TVEC3, typename PFP::VEC3>(map, d, position);
}

/**
 * Compute vertex neighbours centroid (generic version)
 * Template param:
 *  PFP:  as usual
 *  EMBV: attributes vector type  or cell type (VertexCell, FaceCell, ...)
 *  EMB:  type of attribute (Geom::Vec3f) or cell type (VertexCell, FaceCell, ...)
 * @param map the map
 * @param d a dart of the face
 * @param position the vector of attribute or cell
 */
template <typename PFP, typename EMBV, typename EMB>
EMB vertexNeighborhoodCentroidGen(typename PFP::MAP& map, Dart d, const EMBV& attributs);

/**
 * Compute  vertex neighbours centroid
 * @param map the map
 * @param d a dart of the face
 * @param position the vector of attribute
 */
template <typename PFP>
typename PFP::VEC3 vertexNeighborhoodCentroid(typename PFP::MAP& map, Dart d, const typename PFP::TVEC3& position)
{
	return vertexNeighborhoodCentroidGen<PFP, typename PFP::TVEC3, typename PFP::VEC3>(map, d, position);
}

template <typename PFP>
void computeCentroidVolumes(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& vol_centroid, const FunctorSelect& select = SelectorTrue()) ;

template <typename PFP>
void computeCentroidFaces(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& face_centroid, const FunctorSelect& select = SelectorTrue()) ;

template <typename PFP>
void computeNeighborhoodCentroidVertices(typename PFP::MAP& map, const typename PFP::TVEC3& position, typename PFP::TVEC3& vertex_centroid, const FunctorSelect& select = SelectorTrue()) ;

} // namespace Geometry

} // namespace Algo

} // namespace CGoGN

#include "Algo/Geometry/centroid.hpp"

#endif