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commit
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@ -24,6 +24,9 @@
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History
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$Log: not supported by cvs2svn $
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Revision 1.1 2004/04/20 12:41:39 pietroni
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*** empty log message ***
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Revision 1.1 2004/04/15 08:54:20 pietroni
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*** empty log message ***
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@ -218,7 +221,7 @@ void LoadTs(char * filename, double meshscale )
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fscanf(f, "%f", &x );
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fscanf(f, "%f", &y );
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fscanf(f, "%f", &z );
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fscanf(f, "%f", &mass );
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//fscanf(f, "%f", &mass );
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p1.P()=Point3d(x*meshscale, y*meshscale ,z*meshscale );
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vert.push_back(p1);
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}
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@ -0,0 +1,200 @@
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/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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Revision 1.1 2004/22/04 14:32 pietroni
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Initial commit
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****************************************************************************/
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#ifndef __VCG_TETRA_TRI_CONVERTER
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#define __VCG_TETRA_TRI_CONVERTER
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#include <map>
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#include<vcg/space/tetra3.h>
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namespace vcg {
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namespace tetra {
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/** Class TriConverter.
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This is class for convetr tetrahedral mesh into triangle mesh
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@param STL_VERT_CONT (Template Parameter) Specifies the type of the vertices container any the vertex type.
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@param STL_TETRA_CONT (Template Parameter) Specifies the type of the tetrahedrons container any the tetrahedrons type.
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*/
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template < class TETRA_MESH ,class TRI_MESH >
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class TriConverter
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{
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public:
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/// The tetrahedral mesh type
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typedef TETRA_MESH TetraMeshType;
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/// The triangle mesh type
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typedef TRI_MESH TriangleMeshType;
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/// The tetrahedron type
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typedef TetraMeshType::TetraType TetraType;
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/// The triangle type
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typedef TriangleMeshType::FaceType FaceType;
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/// The vertex type of tetrahedreal Mesh
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typedef typename TetraMeshType::VertexType TetraVertexType;
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/// The vertex type of triangular Mesh
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typedef typename TriangleMeshType::VertexType TriVertexType;
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/// The type of vertex iterator on tetrahedral mesh
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typedef typename TetraMeshType::VertexIterator TetraVertexIterator;
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/// The type of vertex iterator on tetrahedral mesh
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typedef typename TriangleMeshType::VertexIterator TriVertexIterator;
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/// The type of tetra iterator
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typedef typename TetraMeshType::TetraIterator TetraIterator;
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/// The type of tetra iterator
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typedef typename TriangleMeshType::FaceIterator FaceIterator;
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/// The type of const tetra iterator
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typedef TetraMeshType::const_TetraIterator const_TetraIterator;
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/// The type of const face iterator
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typedef TriangleMeshType::ConstFaceIterator ConstFaceIterator;
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/// The type of const vertex pointer of tetrahedral mesh
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typedef TetraMeshType::const_VertexPointer const_VertexPointer;
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public:
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/***********************************************/
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/** @Convert to triangle-mesh functions
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**/
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//@{
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///this function build a triangle mesh using the same pointers to the tetrahedral mesh vertex
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void Convert(TetraMeshType &tetram,TriangleMeshType &trim)
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{
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TetraIterator ti;
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TetraVertexType *v0;
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TetraVertexType *v1;
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TetraVertexType *v2;
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trim.Clear();
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for (ti=tetram.tetra.begin();ti<tetram.tetra.end();ti++)
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{
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if (!(ti->IsD()))
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{
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if ((ti->IsBorderF(0))||(ti->IsBorderF(1))||(ti->IsBorderF(2))||(ti->IsBorderF(3)))
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for (int i=0;i<4;i++)
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if (ti->IsBorderF(i))
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{
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v0=ti->V(Tetra4<double>::VofF(i,0));
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v1=ti->V(Tetra4<double>::VofF(i,1));
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v2=ti->V(Tetra4<double>::VofF(i,2));
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FaceType f=FaceType();
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f.ClearFlags();
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f.V(0)=v0;
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f.V(1)=v1;
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f.V(2)=v2;
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trim.face.push_back(f);
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}
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}
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}
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}
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template <class I_MESH_TYPE>
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struct InsertedV{
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InsertedV( I_MESH_TYPE::VertexType *_v,
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I_MESH_TYPE::FacePointer _f,
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int _z):v(_v),f(_f),z(_z){}
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I_MESH_TYPE::VertexType *v;
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I_MESH_TYPE::FacePointer f;
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int z;
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const bool operator <(const InsertedV & o){
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return (v<o.v);
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}
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const bool operator ==(const InsertedV & o){
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return (v==o.v);
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}
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const bool operator !=(const InsertedV & o){
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return (v!=o.v);
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}
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};
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///this function build a triangle mesh using new pointers to the tetrahedral mesh vertex
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void ConvertCopy(TetraMeshType &tetram,TriangleMeshType &trim)
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{
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vector<InsertedV<TriangleMeshType > > newVertices;
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TriVertexIterator vi;
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vector<TriVertexType*> redirect;
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Convert(tetram,trim);
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FaceIterator fi;
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for(fi = trim.face.begin(); fi != trim.face.end(); ++fi){
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newVertices.push_back(InsertedV<TriangleMeshType >( (*fi).V(0),&(*fi),0));
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newVertices.push_back(InsertedV<TriangleMeshType >( (*fi).V(1),&(*fi),1));
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newVertices.push_back(InsertedV<TriangleMeshType >( (*fi).V(2),&(*fi),2));
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}
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sort(newVertices.begin(),newVertices.end());
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vector<InsertedV<TriangleMeshType > >::iterator curr,next;
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int pos = 0;
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curr = next = newVertices.begin();
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while( next != newVertices.end()){
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if((*curr)!=(*next))
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pos++;
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(*next).f->V( (*next).z) = (TriVertexType*)pos;
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curr = next;
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next++;
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}
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vector<InsertedV<TriangleMeshType > >::iterator newE = unique(newVertices.begin(),newVertices.end());
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for(curr = newVertices.begin();curr!= newE;++curr)
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trim.vert.push_back(*((*curr).v));
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for(vi = trim.vert.begin(); vi != trim.vert.end(); ++vi)
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redirect.push_back(&(*vi));
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for(fi = trim.face.begin(); fi != trim.face.end(); ++fi){
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(*fi).V(0) = redirect[(int)(*fi).V(0)];
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(*fi).V(1) = redirect[(int)(*fi).V(1)];
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(*fi).V(2) = redirect[(int)(*fi).V(2)];
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}
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trim.vn = trim.vert.size();
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trim.fn = trim.face.size();
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}
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};// End class
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/*@}*/
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} // End namespace
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} // End namespace
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#endif
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