vcglib/apps/nexus/vpartition.h

100 lines
3.5 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 1.4 2005/02/21 17:55:49 ponchio
debug debug debug
Revision 1.3 2005/01/18 22:46:58 ponchio
Small changes.
Revision 1.2 2004/12/04 13:24:28 ponchio
Fixed a couple of memory leak...
Revision 1.1 2004/11/30 22:50:30 ponchio
Level 0.
****************************************************************************/
#ifndef NXS_VPARTITION_H
#define NXS_VPARTITION_H
#include <vector>
#include <string>
#include <vcg/space/point3.h>
//TODO provide a Sort function, to sort spatially the seeds.
class ANNkd_tree;
class ANNbd_tree;
class ANNbruteForce;
namespace nxs {
//WARNING: all distances returned are SQUARED!!!!
class VPartition: public std::vector<vcg::Point3f> {
public:
VPartition(): bd(NULL) {}
~VPartition();
private:
VPartition &operator=(const VPartition &part) {
for(unsigned int i = 0; i < part.size(); i++)
push_back(part[i]);
Init();
return *this;
}
public:
void Init();
int Locate(const vcg::Point3f &p);
//looks for the min distance point from seed.
float Radius(unsigned int seed);
void Closest(const vcg::Point3f &p, unsigned int nsize,
std::vector<int> &nears,
std::vector<float> &dist);
void Closest(const vcg::Point3f &p,
int &target, float &dist);
//return all targets widthin that distance (SQUARED!!!)
void Closest(const vcg::Point3f &p, std::vector<int> &targets,
std::vector<double> &dists,
float max_distance);
//most efficient!
void Closest(const vcg::Point3f &p, unsigned int nsize,
int *targets,
double *dists);
ANNkd_tree *bd;
std::vector<double> buffer;
std::vector<double *> points;
};
} //namespace nxs
#endif