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added GridGetInSphere and GridGetInBox functions

This commit is contained in:
Nico Pietroni 2005-10-03 13:57:32 +00:00
parent bccc1ad129
commit 3fd167568f
1 changed files with 158 additions and 81 deletions
vcg/space/index
grid_closest.h

91
vcg/space/index/grid_closest.h
View File

@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.5 2005/10/02 23:18:06 cignoni
Small bug in the computation of the intersection between the todo box and the grid bbox that failed for extrema points.
Revision 1.4 2005/09/30 15:12:16 cignoni
Completely rewrote the GridClosest, now it:
- works for point out of the grid
@ -154,10 +157,15 @@ namespace vcg{
template <class SPATIALINDEXING,class OBJPOINTDISTFUNCTOR, class OBJMARKER,
class OBJPTRCONTAINER, class DISTCONTAINER, class POINTCONTAINER>
unsigned int GridGetKClosest(SPATIALINDEXING &_Si,OBJPOINTDISTFUNCTOR & _getPointDistance,
OBJMARKER & _marker, const unsigned int _k, const typename SPATIALINDEXING::CoordType & _p,
const typename SPATIALINDEXING::ScalarType & _maxDist,OBJPTRCONTAINER & _objectPtrs,
DISTCONTAINER & _distances, POINTCONTAINER & _points)
unsigned int GridGetKClosest(SPATIALINDEXING &_Si,
OBJPOINTDISTFUNCTOR & _getPointDistance,
OBJMARKER & _marker,
const unsigned int _k,
const typename SPATIALINDEXING::CoordType & _p,
const typename SPATIALINDEXING::ScalarType & _maxDist,
OBJPTRCONTAINER & _objectPtrs,
DISTCONTAINER & _distances,
POINTCONTAINER & _points)
{
typedef vcg::ClosestIterator<SPATIALINDEXING,OBJPOINTDISTFUNCTOR,OBJMARKER> ClosestIteratorType;
ClosestIteratorType Cli=ClosestIteratorType(_Si,_getPointDistance);
@ -179,9 +187,12 @@ namespace vcg{
};
template <class SPATIALINDEXING,class OBJRAYISECTFUNCTOR, class OBJMARKER>
typename SPATIALINDEXING::ObjPtr GridDoRay(SPATIALINDEXING &_Si,OBJRAYISECTFUNCTOR &_rayIntersector,
OBJMARKER &_marker, const Ray3<typename SPATIALINDEXING::ScalarType> & _ray,
const typename SPATIALINDEXING::ScalarType & _maxDist,typename SPATIALINDEXING::ScalarType & _t)
typename SPATIALINDEXING::ObjPtr GridDoRay(SPATIALINDEXING &_Si,
OBJRAYISECTFUNCTOR &_rayIntersector,
OBJMARKER &_marker,
const Ray3<typename SPATIALINDEXING::ScalarType> & _ray,
const typename SPATIALINDEXING::ScalarType & _maxDist,
typename SPATIALINDEXING::ScalarType & _t)
{
typedef vcg::RayIterator<SPATIALINDEXING,OBJRAYISECTFUNCTOR,OBJMARKER> RayIteratorType;
RayIteratorType RayIte=RayIteratorType(_Si,_rayIntersector);
@ -195,6 +206,72 @@ namespace vcg{
}
return 0;
}
template <class SPATIALINDEXING, class OBJPOINTDISTFUNCTOR, class OBJMARKER, class OBJPTRCONTAINER, class DISTCONTAINER, class POINTCONTAINER>
unsigned int GridGetInSphere(SPATIALINDEXING &_Si,
OBJPOINTDISTFUNCTOR & _getPointDistance,
OBJMARKER & _marker,
const typename SPATIALINDEXING::CoordType & _p,
const typename SPATIALINDEXING::ScalarType & _r,
OBJPTRCONTAINER & _objectPtrs,
DISTCONTAINER & _distances,
POINTCONTAINER & _points)
{
typedef vcg::ClosestIterator<SPATIALINDEXING,OBJPOINTDISTFUNCTOR,OBJMARKER> ClosestIteratorType;
ClosestIteratorType Cli=ClosestIteratorType(_Si,_getPointDistance);
Cli.SetMarker(_marker);
Cli.Init(_p,_r);
_objectPtrs.clear();
_distances.clear();
_points.clear();
while (!Cli.End())
{
_objectPtrs.push_back(&(*Cli));
_distances.push_back(Cli.Dist());
_points.push_back(Cli.NearestPoint());
++Cli;
}
return (_objectPtrs.size());
}
template <class SPATIALINDEXING,class OBJMARKER, class OBJPTRCONTAINER>
unsigned int GridGetInBox(SPATIALINDEXING &_Si,
OBJMARKER & _marker,
const vcg::Box3<typename SPATIALINDEXING::ScalarType> _bbox,
OBJPTRCONTAINER & _objectPtrs)
{
SPATIALINDEXING::CellIterator first,last,l;
_objectPtrs.clear();
vcg::Box3i ibbox;
Box3i Si_ibox(Point3i(0,0,0),_Si.siz-Point3i(1,1,1));
_Si.BoxToIBox(_bbox, ibbox);
ibbox.Intersect(Si_ibox);
_marker.UnMarkAll();
if (ibbox.IsNull())
return 0;
else
{
int ix,iy,iz;
for (ix=ibbox.min[0]; ix<=ibbox.max[0]; ix++)
for (iy=ibbox.min[1]; iy<=ibbox.max[1]; iy++)
for (iz=ibbox.min[2]; iz<=ibbox.max[2]; iz++)
{
_Si.Grid( ix, iy, iz, first, last );
for(l=first;l!=last;++l)
if (!(**l).IsD())
{
SPATIALINDEXING::ObjPtr elem=&(**l);
if( ! _marker.IsMarked(elem)){
_objectPtrs.push_back(elem);
_marker.Mark(elem);
}
}
}
return (_objectPtrs.size());
}
}
}//end namespace vcg
#endif