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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 1.4 2005/02/08 14:36:20 turini
Warnings Correction
Revision 1.3 2004/05/17 08:22:45 turini
Minor Changes and Now Use STLContainer of Tetrahedron Pointers.
Revision 1.2 2004/05/14 15:51:47 turini
Adjusted VCG Style
Revision 1.1 2004/05/14 15:43:41 turini
Initial Commit
****************************************************************************/
#ifndef __VCGLIB_TETRASUBSET
#define __VCGLIB_TETRASUBSET
namespace vcg {
namespace tetra {
/** \addtogroup tetramesh */
/*@{*/
template <class I_TETRAMESH_TYPE>
struct InsertedVT
{
typedef I_TETRAMESH_TYPE ITetraMeshType;
typedef typename ITetraMeshType::VertexPointer VertexPointer;
typedef typename ITetraMeshType::TetraPointer TetraPointer;
InsertedVT(VertexPointer _v, TetraPointer _t, int _z)
: v(_v), t(_t), z(_z)
{}
VertexPointer v;
TetraPointer t;
int z;
const bool operator <(const InsertedVT & o)
{
return (v<o.v);
}
const bool operator ==(const InsertedVT & o)
{
return (v==o.v);
}
const bool operator !=(const InsertedVT & o)
{
return (v!=o.v);
}
};
/** Create a copy of the mesh with tetrahedron that are into the templated container
@param ST_CONT (Template Parameter) Specifies the type of the container of tetrahedron.
@param subSet Container of tetrahedron pointers !!!
@param m destination mesh.
*/
template <class S_TETRAMESH_TYPE, class STL_CONT >
void SubSet(S_TETRAMESH_TYPE & m, STL_CONT & subSet)
{
std::vector< InsertedVT<S_TETRAMESH_TYPE> > newVertices;
typename STL_CONT::iterator pfi;
newVertices.clear();
for(pfi=subSet.begin(); pfi!=subSet.end(); ++pfi)
m.tetra.push_back(*(*pfi));
typename S_TETRAMESH_TYPE::TetraIterator fi;
for(fi=m.tetra.begin(); fi!=m.tetra.end(); ++fi)
{
newVertices.push_back(InsertedVT<S_TETRAMESH_TYPE>((*fi).V(0), &(*fi), 0));
newVertices.push_back(InsertedVT<S_TETRAMESH_TYPE>((*fi).V(1), &(*fi), 1));
newVertices.push_back(InsertedVT<S_TETRAMESH_TYPE>((*fi).V(2), &(*fi), 2));
newVertices.push_back(InsertedVT<S_TETRAMESH_TYPE>((*fi).V(3), &(*fi), 3));
}
std::sort(newVertices.begin(), newVertices.end());
typename std::vector< InsertedVT<S_TETRAMESH_TYPE> >::iterator curr,next;
int pos=0;
curr=next=newVertices.begin();
while(next!=newVertices.end())
{
if((*curr)!=(*next))
pos++;
(*next).t->V((*next).z)=(typename S_TETRAMESH_TYPE::VertexPointer)pos;
curr=next;
next++;
}
typename std::vector< InsertedVT<S_TETRAMESH_TYPE> >::iterator newE=std::unique(newVertices.begin(), newVertices.end());
for(curr=newVertices.begin(); curr!=newE; ++curr)
m.vert.push_back(*((*curr).v));
for(fi=m.tetra.begin(); fi!=m.tetra.end(); ++fi)
{
(*fi).V(0)=&(m.vert[(int)(*fi).V(0)]);
(*fi).V(1)=&(m.vert[(int)(*fi).V(1)]);
(*fi).V(2)=&(m.vert[(int)(*fi).V(2)]);
(*fi).V(3)=&(m.vert[(int)(*fi).V(3)]);
}
m.vn=(int)m.vert.size();
m.tn=(int)m.tetra.size();
}
/*@}*/
} // End namespace
} // End namespace
#endif
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