vcglib/vcg/space/index/aabb_binary_tree/aabb_binary_tree.h

134 lines
6.1 KiB
C++

/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program 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. *
* *
* 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 General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.5 2005/09/29 22:18:16 m_di_benedetto
Added frustum culling methods, renamed some parameters.
Revision 1.4 2005/09/28 21:23:03 m_di_benedetto
Added Import() to box and barycenter functors
to handle tree and objects with different ScalarType.
Revision 1.3 2005/09/28 20:10:41 m_di_benedetto
First Commit.
****************************************************************************/
#ifndef __VCGLIB_AABBBINARYTREEINDEX_H
#define __VCGLIB_AABBBINARYTREEINDEX_H
// vcg headers
#include <vcg/space/index/base.h>
#include <vcg/space/index/aabb_binary_tree/base.h>
#include <vcg/space/index/aabb_binary_tree/closest.h>
#include <vcg/space/index/aabb_binary_tree/frustum_cull.h>
#include <vcg/space/index/aabb_binary_tree/kclosest.h>
#include <vcg/space/index/aabb_binary_tree/ray.h>
#include <wrap/utils.h>
/***************************************************************************/
namespace vcg {
template <class OBJTYPE, class SCALARTYPE, class NODEAUXDATA = EmptyClass>
class AABBBinaryTreeIndex : public SpatialIndex<OBJTYPE, SCALARTYPE> {
public:
typedef AABBBinaryTreeIndex<OBJTYPE, SCALARTYPE, NODEAUXDATA> ClassType;
typedef OBJTYPE ObjType;
typedef SCALARTYPE ScalarType;
typedef NODEAUXDATA NodeAuxData;
typedef ObjType * ObjPtr;
typedef Point3<ScalarType> CoordType;
typedef AABBBinaryTree<ObjType, ScalarType, NodeAuxData> TreeType;
inline TreeType & Tree(void) {
return (this->tree);
}
inline const TreeType & Tree(void) const {
return (this->tree);
}
template <class OBJITER>
inline void Set(const OBJITER & _oBegin, const OBJITER & _oEnd) {
GetPointerFunctor getPtr;
GetBox3Functor getBox;
GetBarycenter3Functor getBarycenter;
//const unsigned int divs = 100;
//const unsigned int size = (unsigned int)(std::distance(_oBegin, _oEnd));
//const unsigned int maxObjectsPerLeaf = (size < divs) ? (size) : ((unsigned int)((float)(std::distance(_oBegin, _oEnd)) / (float)divs));
const unsigned int maxObjectsPerLeaf = 10;
const ScalarType leafBoxMaxVolume = ((ScalarType)0);
const bool useVariance = true;
(void)(this->tree.Set(_oBegin, _oEnd, getPtr, getBox, getBarycenter, maxObjectsPerLeaf, leafBoxMaxVolume, useVariance));
}
template <class OBJITERATOR, class OBJITERATORPTRFUNCT, class OBJBOXFUNCT, class OBJBARYCENTERFUNCT>
inline bool Set(const OBJITERATOR & _oBegin, const OBJITERATOR & _oEnd, OBJITERATORPTRFUNCT & _objPtr, OBJBOXFUNCT & _objBox, OBJBARYCENTERFUNCT & _objBarycenter, const unsigned int _maxElemsPerLeaf = 1, const ScalarType & _leafBoxMaxVolume = ((ScalarType)0), const bool _useVariance = true) {
return (this->tree.Set(_oBegin, _oEnd, _objPtr, _objBox, _objBarycenter, _maxElemsPerLeaf, _leafBoxMaxVolume, _useVariance));
}
template <class OBJPOINTDISTFUNCTOR, class OBJMARKER>
inline ObjPtr GetClosest(
OBJPOINTDISTFUNCTOR & _getPointDistance, OBJMARKER & _marker, const CoordType & _p, const ScalarType & _maxDist,
ScalarType & _minDist, CoordType & _closestPt) {
(void)_marker;
return (AABBBinaryTreeClosest<TreeType>::Closest(this->tree, _getPointDistance, _p, _maxDist, _minDist, _closestPt));
}
template <class OBJPOINTDISTFUNCTOR, class OBJMARKER, class OBJPTRCONTAINER, class DISTCONTAINER, class POINTCONTAINER>
inline unsigned int GetKClosest(
OBJPOINTDISTFUNCTOR & _getPointDistance, OBJMARKER & _marker, const unsigned int _k, const CoordType & _p, const ScalarType & _maxDist,
OBJPTRCONTAINER & _objectPtrs, DISTCONTAINER & _distances, POINTCONTAINER & _points) {
(void)_marker;
return (AABBBinaryTreeKClosest<TreeType>::KClosest(this->tree, _getPointDistance, _k, _p, _maxDist, _objectPtrs, _distances, _points));
}
template <class OBJRAYISECTFUNCTOR, class OBJMARKER>
inline ObjPtr DoRay(OBJRAYISECTFUNCTOR & _rayIntersector, OBJMARKER & _marker, const Ray3<ScalarType> & _ray, const ScalarType & _maxDist, ScalarType & _t) {
(void)_marker;
return (AABBBinaryTreeRay<TreeType>::Ray(this->tree, _rayIntersector, _ray, _maxDist, _t));
}
inline void InitializeFrustumCull(void) {
(void)(AABBBinaryTreeFrustumCull<TreeType>::Initialize(this->tree));
}
inline void FrustumCull(const Plane3<ScalarType> _frustumPlanes[6], const unsigned int _minNodeObjectsCount) {
(void)(AABBBinaryTreeFrustumCull<TreeType>::FrustumCull(this->tree, _frustumPlanes, _minNodeObjectsCount));
}
protected:
TreeType tree;
};
} // end namespace vcg
#endif // #ifndef __VCGLIB_AABBBINARYTREEINDEX_H