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Added RayIterators. 

Added ClosestIterators on Triangles and Vertices.
Added Closest Functions on triangles and Vertices.
This commit is contained in:
Nico Pietroni 2005-09-21 09:24:30 +00:00
parent 329b50d96e
commit a9c5d8fd42
1 changed files with 91 additions and 10 deletions
vcg/complex/trimesh
closest.h

101
vcg/complex/trimesh/closest.h
View File

@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
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
@ -73,10 +76,12 @@ header added
#include <vcg/simplex/face/distance.h>
//#include <vcg/space/index/grid_static_ptr.h>
#include <vcg/space/index/space_iterators.h>
#include <vcg/space/index/closest.h>
namespace vcg {
namespace trimesh {
//**MARKER CLASSES**//
template <class MESH_TYPE,class OBJ_TYPE>
class Tmark
{
@ -98,6 +103,7 @@ template <class MESH_TYPE,class OBJ_TYPE>
class VertTmark:public Tmark<MESH_TYPE,typename MESH_TYPE::VertexType>
{};
//**INTERSECTION FUNCTIONS**//
///class of functor used to calculate the radius-triangle intersection
template <class FACE_TYPE>
class FaceIntersection {
@ -119,6 +125,38 @@ template <class MESH_TYPE,class OBJ_TYPE>
}
};
//**DISTANCE FUNCTIONS**//
///class of functor used to calculate the point triangle distance and nearest point
template <class FACE_TYPE>
class FaceDistance {
typedef typename FACE_TYPE FaceType;
typedef typename FACE_TYPE::ScalarType ScalarType;
typedef typename FaceType::CoordType CoordType;
public:
bool operator () (const FaceType & f, const CoordType & pt, ScalarType & mindist, CoordType & result) {
return (vcg::face::PointDistance<FaceType>(f,pt, mindist, result));
}
};
///class of functor used to calculate the point triangle distance and nearest point
template <class VERTEX_TYPE>
class VertexDistance {
typedef typename VERTEX_TYPE VertexType;
typedef typename VERTEX_TYPE::ScalarType ScalarType;
typedef typename VERTEX_TYPE::CoordType CoordType;
public:
bool operator () (const VertexType & v, const CoordType & pt, ScalarType & dist, CoordType & result) {
ScalarType d=dist;
dist=(v.P()-pt).Norm();
result=pt;
return(d>dist);
}
};
//**CLOSEST FUNCTION DEFINITION**//
/*
aka MetroCore
@ -136,7 +174,7 @@ template <class MESH, class GRID, class SCALAR>
void Closest( MESH & mesh, const Point3<SCALAR> & p, GRID & gr, SCALAR & mdist,
Point3<SCALAR> & normf, Point3<SCALAR> & bestq, typename MESH::FaceType * &f, Point3<SCALAR> &ip)
{
typedef SCALAR scalar;
typedef SCALAR ScalarType;
typedef Point3<scalar> Point3x;
typedef Box3<SCALAR> Box3x;
@ -247,11 +285,12 @@ void Closest( MESH & mesh, const Point3<SCALAR> & p, GRID & gr, SCALAR & mdist,
// vdist += vstep;
//}
scalar error = mdist;
ScalarType error = mdist;
typedef FaceTmark<MESH> MarkerFace;
MarkerFace t;
t.SetMesh(&mesh);
typename MESH::FaceType* bestf= gr.GetClosest<MarkerFace>(p,error,bestq,t);
typedef typename FaceDistance<typename MESH::FaceType> FDistFunct;
typename MESH::FaceType* bestf= vcg::GetClosest<GRID,FDistFunct,MarkerFace>(p,mdist,FDistFunct() ,error,bestq,t,gr);
if(mdist > scalar(fabs(error)))
{
@ -271,12 +310,59 @@ void Closest( MESH & mesh, const Point3<SCALAR> & p, GRID & gr, SCALAR & mdist,
template <class MESH, class GRID, class SCALAR>
void Closest( MESH & mesh, const Point3<SCALAR> & p, GRID & gr, SCALAR & mdist,
Point3<SCALAR> & normf, Point3<SCALAR> & bestq, typename MESH::face_type * &f)
Point3<SCALAR> & normf, Point3<SCALAR> & bestq, typename MESH::FaceType * &f)
{
Point3<SCALAR> ip;
Closest(mesh,p,gr,mdist,normf,bestq,f,ip);
Closest<MESH,GRID,SCALAR>(mesh,p,gr,mdist,normf,bestq,f,ip);
}
template <class MESH, class GRID, class SCALAR>
void ClosestVertex( MESH & mesh, const Point3<SCALAR> & p, GRID & gr, SCALAR & mdist,
Point3<SCALAR> & normf, Point3<SCALAR> & bestq, typename MESH::VertexType * &v)
{
scalar error = mdist;
typedef VertTmark<MESH> MarkerVert;
MarkerVert t;
t.SetMesh(&mesh);
typedef typename VertexDistance<typename MESH::VertexType> PDistFunct;
v= vcg::GetClosest<GRID,PDistFunct,MarkerFace>(p,mdist,PDistFunct() ,error,bestq,t,gr);
}
//**ITERATORS DEFINITION**//
template <class GRID,class MESH>
class ClosestFaceIterator:public vcg::ClosestIterator<GRID,FaceDistance<typename MESH::FaceType>,typename FaceTmark<MESH> >
{
public:
typedef typename GRID GridType;
typedef typename MESH MeshType;
typedef typename FaceTmark<MESH> MarkerFace;
typedef typename FaceDistance<typename MESH::FaceType> FDistFunct;
typedef typename vcg::ClosestIterator<GRID,FaceDistance<typename MESH::FaceType>,typename FaceTmark<MESH> > ClosestBaseType;
ClosestFaceIterator(GridType &_Si):ClosestBaseType(_Si,FDistFunct()){}
void SetMesh(MeshType *m)
{tm.SetMesh(m);}
};
template <class GRID,class MESH>
class ClosestVertexIterator:public vcg::ClosestIterator<GRID,VertexDistance<typename MESH::VertexType>,typename VertTmark<MESH> >
{
public:
typedef typename GRID GridType;
typedef typename MESH MeshType;
typedef typename VertTmark<MESH> MarkerVert;
typedef typename VertexDistance<typename MESH::VertexType> VDistFunct;
typedef typename vcg::ClosestIterator<GRID,VertexDistance<typename MESH::VertexType>,typename VertTmark<MESH> > ClosestBaseType;
ClosestVertexIterator(GridType &_Si):ClosestBaseType(_Si,VDistFunct()){}
void SetMesh(MeshType *m)
{tm.SetMesh(m);}
};
template <class GRID,class MESH>
class TriRayIterator:public vcg::RayIterator<GRID,FaceIntersection<typename MESH::FaceType>,typename FaceTmark<MESH> >
{
@ -292,11 +378,6 @@ public:
void SetMesh(MeshType *m)
{tm.SetMesh(m);}
/*void Init(RayType _r,MeshType &mesh)
{
__super::Init(_r);
}*/
};
} // end namespace trimesh