Created the ExporterOOFF Class
created the method Save still to work on the faces since we only write he vertices indexes for each face and no other information.
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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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@name Load and Save in Ply format
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*/
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//@{
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#ifndef __VCGLIB_EXPORT_OFF
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#define __VCGLIB_EXPORT_OFF
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#include<wrap/ply/io_mask.h>
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#include <stdio.h>
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namespace vcg {
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namespace tri {
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namespace io {
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template <class SaveMeshType>
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class ExporterOFF
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{
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public:
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typedef typename SaveMeshType::VertexPointer VertexPointer;
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typedef typename SaveMeshType::ScalarType ScalarType;
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typedef typename SaveMeshType::VertexType VertexType;
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typedef typename SaveMeshType::FaceType FaceType;
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typedef typename SaveMeshType::FacePointer FacePointer;
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typedef typename SaveMeshType::VertexIterator VertexIterator;
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typedef typename SaveMeshType::FaceIterator FaceIterator;
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static bool Save(SaveMeshType &m, const char * filename )
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{
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vcg::face::Pos<MyMesh::FaceType> he;
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vcg::face::Pos<MyMesh::FaceType> hei;
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FILE * fpout = fopen(filename,"w");
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if(fpout==NULL) return false;
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if( m.HasPerVertexNormal())
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fprintf(fpout,"N");
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if( m.HasPerVertexColor())
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fprintf(fpout,"C");
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if( m.HasPerVertexTexture())
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fprintf(fpout,"ST");
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fprintf(fpout,"OFF\n");
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fprintf(fpout,"%d %d ", m.vn, m.fn);
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MyMesh::FaceIterator fi;
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int count_e = 0;
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bool counted=false;
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for(fi=m.face.begin();fi!=m.face.end();++fi)
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(*fi).ClearS();
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for(fi=m.face.begin();fi!=m.face.end();++fi)
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{
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(*fi).SetS();
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count_e +=3;
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for(int i=0; i<3; ++i)
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{
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if (IsManifold(*fi,i))
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{
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if((*fi).FFp(i)->IsS())
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count_e--;
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}
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else
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{
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hei.Set(&(*fi), i , fi->V(i));
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he=hei;
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he.NextF();
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while (he.f!=hei.f)
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{
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if (he.f->IsS())
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{
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counted=true;
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break;
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}
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else
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{
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he.NextF();
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}
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}
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if (counted)
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{
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count_e--;
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counted=false;
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}
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}
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}
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}
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fprintf(fpout,"%d\n", count_e);
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//vertices
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int j;
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std::vector<int> FlagV;
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VertexPointer vp;
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VertexIterator vi;
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for(j=0,vi=m.vert.begin();vi!=m.vert.end();++vi)
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{
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vp=&(*vi);
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FlagV.push_back(vp->UberFlags()); // Salva in ogni caso flag del vertice
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if( ! vp->IsD() )
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{ // ***** ASCII *****
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fprintf(fpout,"Vertex: %g %g %g\n" ,vp->P()[0],vp->P()[1],vp->P()[2]);
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if( m.HasPerVertexColor() )
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fprintf(fpout,"Color: %d %d %d %d\n",vp->C()[0],vp->C()[1],vp->C()[2],vp->C()[3] );
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if( m.HasPerVertexNormal())
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fprintf(fpout,"Normal: %g %g %g\n", vp->N()[0],vp->N()[1],vp->N()[2]);
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if( m.HasPerVertexTexture())
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fprintf(fpout,"Texture: %g %g\n",vp->T().u(),vp->T().v());
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}
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vp->UberFlags()=j; // Trucco! Nascondi nei flags l'indice del vertice non deletato!
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j++;
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}
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FacePointer fp;
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int vv[3];
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int fcnt=0;
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for(j=0,fi=m.face.begin();fi!=m.face.end();++fi)
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{
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fp=&(*fi);
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if( ! fp->IsD() )
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{ fcnt++;
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fprintf(fpout,"3 %d %d %d\n",
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fp->cV(0)->UberFlags(), fp->cV(1)->UberFlags(), fp->cV(2)->UberFlags() );
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}
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}
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fclose(fpout);
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// Recupera i flag originali
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for(j=0,vi=m.vert.begin();vi!=m.vert.end();++vi)
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(*vi).UberFlags()=FlagV[j++];
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return 0;
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}
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}; // end class
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} // end namespace tri
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} // end namespace io
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} // end namespace vcg
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//@}
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#endif
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