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vcglib/vcg/complex/algorithms/closest.h

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/****************************************************************************
* 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 1.27 2006/12/06 12:59:13 pietroni
added max distance to rayIterator
Revision 1.26 2006/11/21 16:06:54 ponchio
passing VDistFunct() to functions wanting a reference, not a value
(why a reference btw?)
Revision 1.25 2006/11/13 13:13:49 ponchio
Added usual typename.
Revision 1.24 2006/11/12 02:41:03 pietroni
added normalization of normal in DoRay functions
Revision 1.23 2006/11/10 11:41:49 pietroni
added DoRayFuntion that return interpolated normal
Revision 1.22 2006/09/20 17:18:26 ponchio
VDistFunct() at line 292 was passed as a temporary.
Invalid under g++. Fixed.
Revision 1.21 2006/02/09 08:38:04 pietroni
sintax error corrected
Revision 1.20 2006/02/08 17:02:41 pietroni
commented one GetClosestFace function ... the code is the same then getClosest that return barycentric coordinates
Revision 1.19 2006/01/10 13:31:54 pietroni
correct pass of variable closest_pt by reference in getclosestFace function
Revision 1.18 2005/12/02 00:13:34 cignoni
Added and removed typenames for gcc compiling.
removed also some template arguments specifcation that gcc disliked...
commented out GetInSphereFace and SetMesh that are probably never used and i didnt succeed in compile
Revision 1.17 2005/10/05 17:02:52 pietroni
corrected bugs on GEtKClosestVert and GetInSphereVert
Revision 1.16 2005/10/03 16:19:07 spinelli
fixed some bugs
Revision 1.15 2005/10/03 13:59:39 pietroni
added GetInSphere and GetInBox functions
rensmed Functions respectively with Face suffix or Vertex suffix for query on vertex or faces
Revision 1.14 2005/09/30 13:10:37 pietroni
used functor defined in face/distance.h for distance point-face
used functor defined in intersection3.h for ray-triangle intersection
added GetKClosest and DoRay Functions
Revision 1.13 2005/09/28 08:30:48 cignoni
changed name of include, removed use of an undefined type (scalar instead of Scalar)
removed unused code portions (the old closest code)
Revision 1.12 2005/09/21 09:24:30 pietroni
Added RayIterators.
Added ClosestIterators on Triangles and Vertices.
Added Closest Functions on triangles and Vertices.
Revision 1.11 2005/09/19 13:36:24 pietroni
added ray iterator of faces
Revision 1.10 2005/09/16 11:53:51 cignoni
Small gcc compliling issues
Revision 1.9 2005/09/15 13:16:10 spinelli
fixed bugs
Revision 1.8 2005/09/15 11:15:00 pietroni
minor changes
Revision 1.7 2005/09/14 12:56:47 pietroni
used closest function from grid
Revision 1.6 2005/08/26 09:12:48 cignoni
changed typedef A2UGridLink da 'GridStaticPtr<MESH::FaceContainer,double>::Link' a typedef 'GRID::Link'
Revision 1.5 2005/02/08 17:49:38 pietroni
added if (!l->Elem()->IsD()) test on each element
Revision 1.4 2005/01/28 12:00:33 cignoni
small gcc compiling issues for namespaces
Revision 1.3 2005/01/24 11:47:23 cignoni
Now used also by the official Metro
Removed using namespace (NEVER IN HEADERS!)
Made the computation of barycentric coords only when necessary
Renamed Mindistpoint to Closest
Revision 1.2 2005/01/21 17:13:09 pietroni
included distance.h changed Dist to vcg::face::PointDistance
Revision 1.1 2004/10/04 15:32:16 ganovelli
moved from metro core
Revision 1.6 2004/05/14 00:34:36 ganovelli
header added
****************************************************************************/
#ifndef __VCG_TRIMESH_CLOSEST
#define __VCG_TRIMESH_CLOSEST
#include <math.h>
#include <vcg/space/point3.h>
#include <vcg/space/box3.h>
#include <vcg/space/point4.h>
#include <vcg/math/base.h>
#include <vcg/simplex/face/distance.h>
#include <vcg/simplex/vertex/distance.h>
#include <vcg/space/intersection3.h>
#include <vcg/space/index/space_iterators.h>
#include <vcg/complex/complex.h>
namespace vcg {
namespace tri {
//**MARKER CLASSES**//
template <class MESH_TYPE,class OBJ_TYPE>
class Tmark
{
MESH_TYPE *m;
public:
Tmark(){}
Tmark( MESH_TYPE *m) {SetMesh(m);}
void UnMarkAll(){ vcg::tri::UnMarkAll(*m);}
bool IsMarked(OBJ_TYPE* obj){return (vcg::tri::IsMarked(*m,obj));}
void Mark(OBJ_TYPE* obj){ vcg::tri::Mark(*m,obj);}
void SetMesh(MESH_TYPE *_m)
{m=_m;}
};
template <class MESH_TYPE>
class FaceTmark:public Tmark<MESH_TYPE,typename MESH_TYPE::FaceType>
{
public:
FaceTmark() {}
FaceTmark(MESH_TYPE *m) {this->SetMesh(m);}
};
template <class MESH_TYPE>
class VertTmark
{
public:
typedef typename MESH_TYPE::VertexType VertexType;
inline VertTmark(){}
inline VertTmark(MESH_TYPE *){}
inline void UnMarkAll() const {}
inline bool IsMarked(VertexType*) const { return false; }
inline void Mark(VertexType*) const {}
inline void SetMesh(void * /*m=0*/) const {}
};
//**CLOSEST FUNCTION DEFINITION**//
/*
aka MetroCore
data una mesh m e una ug sulle sue facce trova il punto di m piu' vicino ad
un punto dato.
*/
// input: mesh, punto, griglia (gr), distanza limite (mdist)
// output: normale (interpolata) alla faccia e punto piu' vicino su di essa, e coord baricentriche del punto trovato
// Nota che il parametro template GRID non ci dovrebbe essere, visto che deve essere
// UGrid<MESH::FaceContainer >, ma non sono riuscito a definirlo implicitamente
template <class MESH, class GRID>
typename MESH::FaceType * GetClosestFace( MESH & mesh, GRID & gr, const typename GRID::CoordType & _p,
const typename GRID::ScalarType & _maxDist, typename GRID::ScalarType & _minDist,
typename GRID::CoordType &_closestPt, typename GRID::CoordType & _normf,
typename GRID::CoordType & _ip)
{
typedef typename GRID::ScalarType ScalarType;
typedef Point3<ScalarType> Point3x;
typedef FaceTmark<MESH> MarkerFace;
MarkerFace mf(&mesh);
vcg::face::PointDistanceFunctor<ScalarType> FDistFunct;
_minDist=_maxDist;
typename MESH::FaceType* bestf= gr.GetClosest(FDistFunct, mf, _p, _maxDist, _minDist, _closestPt);
if(_maxDist> ScalarType(fabs(_minDist)))
{
// f=bestf;
typename MESH::ScalarType alfa, beta, gamma;
//calcolo normale con interpolazione trilineare
InterpolationParameters<typename MESH::FaceType,typename MESH::ScalarType>(*bestf,bestf->N(),_closestPt, alfa, beta, gamma);
_normf = (bestf->V(0)->cN())*alfa+
(bestf->V(1)->cN())*beta+
(bestf->V(2)->cN())*gamma ;
_ip=Point3x(alfa,beta,gamma);
//normf.Normalize(); inutile si assume le normali ai vertici benfatte
_minDist = fabs(_minDist);
return(bestf);
}
return (0);
}
/*template <class MESH, class GRID>
typename MESH::FaceType * GetClosestFace( MESH & mesh,GRID & gr,const typename GRID::CoordType & _p,
const typename GRID::ScalarType & _maxDist,typename GRID::ScalarType & _minDist,
typename GRID::CoordType &_closestPt,typename GRID::CoordType & _normf)
{
Point3<typename GRID::ScalarType> _ip;
typedef FaceTmark<MESH> MarkerFace;
MarkerFace mf;
mf.SetMesh(&mesh);
vcg::face::PointDistanceFunctor FDistFunct;
typename MESH::FaceType* bestf= gr.GetClosest(FDistFunct,mf,_p,_maxDist,_minDist,_closestPt) );
}*/
template <class MESH, class GRID>
typename MESH::FaceType * GetClosestFace( MESH & mesh,GRID & gr,const typename GRID::CoordType & _p,
const typename GRID::ScalarType & _maxDist,typename GRID::ScalarType & _minDist,
typename GRID::CoordType &_closestPt)
{
typedef typename GRID::ScalarType ScalarType;
typedef Point3<ScalarType> Point3x;
typedef FaceTmark<MESH> MarkerFace;
MarkerFace mf;
mf.SetMesh(&mesh);
vcg::face::PointDistanceFunctor<ScalarType> PDistFunct;
_minDist=_maxDist;
return (gr.GetClosest(PDistFunct,mf,_p,_maxDist,_minDist,_closestPt));
}
template <class MESH, class GRID>
typename MESH::FaceType * GetClosestFaceNormal(MESH & mesh,GRID & gr,const typename MESH::VertexType & _p,
const typename GRID::ScalarType & _maxDist,typename GRID::ScalarType & _minDist,
typename GRID::CoordType &_closestPt)
{
typedef typename GRID::ScalarType ScalarType;
typedef FaceTmark<MESH> MarkerFace;
MarkerFace mf;
mf.SetMesh(&mesh);
typedef vcg::face::PointNormalDistanceFunctor<typename MESH::VertexType> PDistFunct;
PDistFunct fn;
_minDist=_maxDist;
//return (gr.GetClosest(PDistFunct,mf,_p,_maxDist,_minDist,_closestPt.P()));
return (gr.template GetClosest <PDistFunct,MarkerFace>(fn,mf,_p,_maxDist,_minDist,_closestPt));
}
template <class MESH, class GRID>
typename MESH::VertexType * GetClosestVertex( MESH & mesh,GRID & gr,const typename GRID::CoordType & _p,
const typename GRID::ScalarType & _maxDist,typename GRID::ScalarType & _minDist )
{
typedef typename GRID::ScalarType ScalarType;
typedef Point3<ScalarType> Point3x;
typedef VertTmark<MESH> MarkerVert;
MarkerVert mv;
mv.SetMesh(&mesh);
typedef vcg::vertex::PointDistanceFunctor<typename MESH::ScalarType> VDistFunct;
VDistFunct fn;
_minDist=_maxDist;
Point3x _closestPt;
return (gr.template GetClosest<VDistFunct,MarkerVert>(fn,mv,_p,_maxDist,_minDist,_closestPt));
}
template <class MESH, class GRID>
typename MESH::VertexType * GetClosestVertexNormal( MESH & mesh,GRID & gr,const typename MESH::VertexType & _p,
const typename GRID::ScalarType & _maxDist,typename GRID::ScalarType & _minDist )
{
typedef typename GRID::ScalarType ScalarType;
typedef Point3<ScalarType> Point3x;
typedef VertTmark<MESH> MarkerVert;
MarkerVert mv;
mv.SetMesh(&mesh);
typedef vcg::vertex::PointNormalDistanceFunctor<typename MESH::VertexType> VDistFunct;
VDistFunct fn;
_minDist=_maxDist;
Point3x _closestPt;
return (gr.template GetClosest <VDistFunct,MarkerVert>(fn,mv,_p,_maxDist,_minDist,_closestPt));
}
template <class MESH, class GRID, class OBJPTRCONTAINER,class DISTCONTAINER, class POINTCONTAINER>
unsigned int GetKClosestFace(MESH & mesh,GRID & gr, const unsigned int _k,
const typename GRID::CoordType & _p, const typename GRID::ScalarType & _maxDist,
OBJPTRCONTAINER & _objectPtrs,DISTCONTAINER & _distances, POINTCONTAINER & _points)
{
typedef FaceTmark<MESH> MarkerFace;
MarkerFace mf;
mf.SetMesh(&mesh);
vcg::face::PointDistanceFunctor<typename MESH::ScalarType> FDistFunct;
return (gr.GetKClosest /*<vcg::face::PointDistanceFunctor, MarkerFace,OBJPTRCONTAINER,DISTCONTAINER,POINTCONTAINER>*/
(FDistFunct,mf,_k,_p,_maxDist,_objectPtrs,_distances,_points));
}
// This version does not require that the face type has the
// EdgePlane component and use a less optimized (but more memory efficient) point-triangle distance
template <class MESH, class GRID, class OBJPTRCONTAINER,class DISTCONTAINER, class POINTCONTAINER>
unsigned int GetKClosestFaceBase(MESH & mesh,GRID & gr, const unsigned int _k,
const typename GRID::CoordType & _p, const typename GRID::ScalarType & _maxDist,
OBJPTRCONTAINER & _objectPtrs,DISTCONTAINER & _distances, POINTCONTAINER & _points)
{
typedef FaceTmark<MESH> MarkerFace;
MarkerFace mf;
mf.SetMesh(&mesh);
vcg::face::PointDistanceBaseFunctor<typename MESH::ScalarType> FDistFunct;
return (gr.GetKClosest /*<vcg::face::PointDistanceFunctor, MarkerFace,OBJPTRCONTAINER,DISTCONTAINER,POINTCONTAINER>*/
(FDistFunct,mf,_k,_p,_maxDist,_objectPtrs,_distances,_points));
}
template <class MESH, class GRID, class OBJPTRCONTAINER,class DISTCONTAINER, class POINTCONTAINER>
unsigned int GetKClosestVertex(MESH & mesh,GRID & gr, const unsigned int _k,
const typename GRID::CoordType & _p, const typename GRID::ScalarType & _maxDist,
OBJPTRCONTAINER & _objectPtrs,DISTCONTAINER & _distances, POINTCONTAINER & _points)
{
typedef VertTmark<MESH> MarkerVert;
MarkerVert mv;
mv.SetMesh(&mesh);
typedef vcg::vertex::PointDistanceFunctor<typename MESH::ScalarType> VDistFunct;
VDistFunct distFunct;
return (gr.GetKClosest/* <VDistFunct,MarkerVert,OBJPTRCONTAINER,DISTCONTAINER,POINTCONTAINER>*/
(distFunct,mv,_k,_p,_maxDist,_objectPtrs,_distances,_points));
}
template <class MESH, class GRID, class OBJPTRCONTAINER, class DISTCONTAINER, class POINTCONTAINER>
unsigned int GetInSphereFace(MESH & mesh,
GRID & gr,
const typename GRID::CoordType & _p,
const typename GRID::ScalarType & _r,
OBJPTRCONTAINER & _objectPtrs,
DISTCONTAINER & _distances,
POINTCONTAINER & _points)
{
typedef FaceTmark<MESH> MarkerFace;
MarkerFace mf;
mf.SetMesh(&mesh);
typedef vcg::face::PointDistanceFunctor<typename MESH::ScalarType> FDistFunct;
return (gr.GetInSphere/*<FDistFunct,MarkerFace,OBJPTRCONTAINER,DISTCONTAINER,POINTCONTAINER>*/
(FDistFunct(),mf,_p,_r,_objectPtrs,_distances,_points));
}
template <class MESH, class GRID, class OBJPTRCONTAINER, class DISTCONTAINER, class POINTCONTAINER>
unsigned int GetInSphereVertex(MESH & mesh,
GRID & gr,
const typename GRID::CoordType & _p,
const typename GRID::ScalarType & _r,
OBJPTRCONTAINER & _objectPtrs,
DISTCONTAINER & _distances,
POINTCONTAINER & _points)
{
typedef VertTmark<MESH> MarkerVert;
MarkerVert mv;
mv.SetMesh(&mesh);
typedef vcg::vertex::PointDistanceFunctor<typename MESH::ScalarType> VDistFunct;
VDistFunct fn;
return (gr.GetInSphere/*<VDistFunct,MarkerVert,OBJPTRCONTAINER,DISTCONTAINER,POINTCONTAINER>*/
(fn, mv,_p,_r,_objectPtrs,_distances,_points));
}
template <class MESH, class GRID, class OBJPTRCONTAINER>
unsigned int GetInBoxFace(MESH & mesh,
GRID & gr,
const vcg::Box3<typename GRID::ScalarType> _bbox,
OBJPTRCONTAINER & _objectPtrs)
{
typedef FaceTmark<MESH> MarkerFace;
MarkerFace mf;
mf.SetMesh(&mesh);
return(gr.GetInBox/*<MarkerFace,OBJPTRCONTAINER>*/(mf,_bbox,_objectPtrs));
}
template <class MESH, class GRID, class OBJPTRCONTAINER>
unsigned int GetInBoxVertex(MESH & mesh,
GRID & gr,
const vcg::Box3<typename GRID::ScalarType> _bbox,
OBJPTRCONTAINER & _objectPtrs)
{
typedef VertTmark<MESH> MarkerVert;
MarkerVert mv;
mv.SetMesh(&mesh);
return(gr.GetInBox/*<MarkerVert,OBJPTRCONTAINER>*/(mv,_bbox,_objectPtrs));
}
template <class MESH, class GRID>
typename GRID::ObjPtr DoRay(MESH & mesh,GRID & gr, const Ray3<typename GRID::ScalarType> & _ray,
const typename GRID::ScalarType & _maxDist, typename GRID::ScalarType & _t)
{
typedef typename MESH::FaceType FaceType;
typedef typename MESH::ScalarType ScalarType;
typedef FaceTmark<MESH> MarkerFace;
MarkerFace mf;
mf.SetMesh(&mesh);
Ray3<typename GRID::ScalarType> _ray1=_ray;
_ray1.Normalize();
typedef vcg::RayTriangleIntersectionFunctor<true> FintFunct;
FintFunct ff;
return(gr.DoRay(ff,mf,_ray1,_maxDist,_t));
}
template <class MESH, class GRID>
typename GRID::ObjPtr DoRay(MESH & mesh,GRID & gr, const Ray3<typename GRID::ScalarType> & _ray,
const typename GRID::ScalarType & _maxDist,
typename GRID::ScalarType & _t,
typename GRID::CoordType & _normf)
{
typedef typename MESH::FaceType FaceType;
typedef typename MESH::ScalarType ScalarType;
typedef FaceTmark<MESH> MarkerFace;
MarkerFace mf;
mf.SetMesh(&mesh);
typedef vcg::RayTriangleIntersectionFunctor<true> FintFunct;
FintFunct fintfunct;
Ray3<typename GRID::ScalarType> _ray1=_ray;
_ray1.Normalize();
FaceType *f=gr.DoRay(fintfunct,mf,_ray1,_maxDist,_t);
typename GRID::CoordType dir=_ray.Direction();
dir.Normalize();
typename GRID::CoordType int_point=_ray.Origin()+_ray1.Direction()*_t;
typename GRID::ScalarType alfa,beta,gamma;
if (f!=NULL)
{
InterpolationParameters<FaceType,ScalarType>(*f,f->N(),int_point, alfa, beta, gamma);
_normf = (f->V(0)->cN())*alfa+
(f->V(1)->cN())*beta+
(f->V(2)->cN())*gamma ;
}
return f;
}
///Iteratively Do Ray sampling on spherical coordinates
///sampling along the two angles
template <class MESH, class GRID, class OBJPTRCONTAINER, class COORDCONTAINER>
void RaySpherical(MESH & mesh,GRID & gr, const Ray3<typename GRID::ScalarType> & _ray,
const typename GRID::ScalarType & _maxDist,
const typename GRID::ScalarType & _theta_interval,
const typename GRID::ScalarType & _phi_interval,
const int &n_samples,
OBJPTRCONTAINER & _objectPtrs,
COORDCONTAINER & _pos,
COORDCONTAINER & _norm)
{
typedef typename MESH::FaceType FaceType;
typedef typename MESH::ScalarType ScalarType;
ScalarType delta_theta=_theta_interval/(ScalarType)(n_samples*2);
ScalarType delta_phi =_phi_interval/(ScalarType)(n_samples*2);
ScalarType theta_init,phi_init,ro;
typename GRID::CoordType dir0=_ray.Direction();
dir0.ToPolarRad(ro,theta_init,phi_init);
for (int x=-n_samples;x<=n_samples;x++)
for (int y=-n_samples;y<=n_samples;y++)
{
ScalarType theta=theta_init+x*delta_theta;
if (theta<0) theta=2.0*M_PI-theta;
ScalarType phi=phi_init+y*delta_phi;
typename GRID::CoordType dir;
dir.FromxPolar(ro,theta,phi);
dir.Normalize();
Ray3<typename GRID::ScalarType> curr_ray(_ray.Origin(),dir);
typename GRID::ScalarType _t;
typename GRID::ObjPtr f=NULL;
f=DoRay(mesh,gr,curr_ray,_maxDist,_t);
if (f!=NULL)
{
typename GRID::CoordType pos=curr_ray.Origin()+curr_ray.Direction()*_t;
_objectPtrs.push_back(f);
_pos.push_back(pos);
///find the normal
typename GRID::ScalarType alfa,beta,gamma;
InterpolationParameters<FaceType,ScalarType>(*f,*f.N(),pos, alfa, beta, gamma);
typename GRID::CoordType norm = (f->V(0)->cN())*alfa+
(f->V(1)->cN())*beta+
(f->V(2)->cN())*gamma ;
_norm.push_back(norm);
}
}
}
//**ITERATORS DEFINITION**//
template <class GRID,class MESH>
class ClosestFaceIterator:public vcg::ClosestIterator<GRID,
vcg::face::PointDistanceFunctor<typename MESH::ScalarType>, FaceTmark<MESH> >
{
public:
typedef GRID GridType;
typedef MESH MeshType;
typedef FaceTmark<MESH> MarkerFace;
typedef vcg::face::PointDistanceFunctor<typename MESH::ScalarType> PDistFunct;
typedef vcg::ClosestIterator<GRID,PDistFunct, FaceTmark<MESH> > ClosestBaseType;
typedef typename MESH::FaceType FaceType;
typedef typename MESH::ScalarType ScalarType;
//ClosestFaceIterator(GridType &_Si):ClosestBaseType(_Si,PDistFunct<FaceType,ScalarType>()){}
ClosestFaceIterator(GridType &_Si):ClosestBaseType(_Si,PDistFunct()){}
// Commented out: it seems unuseful and make gcc complain. p.
void SetMesh(MeshType *m)
{this->tm.SetMesh(m);}
};
template <class GRID,class MESH>
class ClosestVertexIterator:public vcg::ClosestIterator<GRID, vcg::vertex::PointDistanceFunctor<typename MESH::ScalarType>, VertTmark<MESH> >
{
public:
typedef GRID GridType;
typedef MESH MeshType;
typedef VertTmark<MESH> MarkerVert;
typedef vcg::vertex::PointDistanceFunctor<typename MESH::ScalarType> VDistFunct;
typedef vcg::ClosestIterator<GRID, VDistFunct, VertTmark<MESH> > ClosestBaseType;
VDistFunct fn;
ClosestVertexIterator(GridType &_Si):ClosestBaseType(_Si,fn){}
// Commented out: it seems unuseful and make gcc complain. p.
void SetMesh(MeshType *m)
{this->tm.SetMesh(m);}
};
template <class GRID,class MESH>
class TriRayIterator:public vcg::RayIterator<GRID,vcg::RayTriangleIntersectionFunctor<true>,FaceTmark<MESH> >
{
public:
typedef GRID GridType;
typedef MESH MeshType;
typedef FaceTmark<MESH> MarkerFace;
typedef vcg::RayTriangleIntersectionFunctor<true> FintFunct;
typedef vcg::RayIterator<GRID,FintFunct, FaceTmark<MESH> > RayBaseType;
typedef typename MESH::FaceType FaceType;
typedef typename MESH::ScalarType ScalarType;
TriRayIterator(GridType &_Si,const ScalarType &max_d):RayBaseType(_Si,FintFunct(),max_d){}
// Commented out: it seems unuseful and make gcc complain. p.
void SetMesh(MeshType *m)
{this->tm.SetMesh(m);}
};
} // end namespace tri
} // end namespace vcg
#endif
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