241 lines
6.5 KiB
C++
241 lines
6.5 KiB
C++
/****************************************************************************
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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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$Log: not supported by cvs2svn $
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Revision 1.2 2007/02/01 06:37:05 cignoni
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Added FaceFromBorder
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Revision 1.1 2006/10/16 08:50:58 cignoni
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First Working Version
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****************************************************************************/
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#ifndef __VCG_TRI_UPDATE_SELECTION
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#define __VCG_TRI_UPDATE_SELECTION
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namespace vcg {
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namespace tri {
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/** \addtogroup trimesh */
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/*@{*/
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/// Management, updating and computation of per-vertex and per-face normals.
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/// This class is used to compute or update the normals that can be stored in the vertex or face component of a mesh.
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template <class ComputeMeshType>
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class UpdateSelection
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{
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public:
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typedef ComputeMeshType MeshType;
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typedef typename MeshType::VertexType VertexType;
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typedef typename MeshType::VertexPointer VertexPointer;
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typedef typename MeshType::VertexIterator VertexIterator;
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typedef typename MeshType::FaceType FaceType;
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typedef typename MeshType::FacePointer FacePointer;
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typedef typename MeshType::FaceIterator FaceIterator;
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///
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static size_t AllVertex(MeshType &m)
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{
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VertexIterator vi;
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for(vi = m.vert.begin(); vi != m.vert.end(); ++vi)
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if( !(*vi).IsD() ) (*vi).SetS();
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return m.vn;
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}
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static size_t AllFace(MeshType &m)
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{
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FaceIterator fi;
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for(fi = m.face.begin(); fi != m.face.end(); ++fi)
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if( !(*fi).IsD() ) (*fi).SetS();
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return m.fn;
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}
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static size_t ClearVertex(MeshType &m)
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{
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VertexIterator vi;
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for(vi = m.vert.begin(); vi != m.vert.end(); ++vi)
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if( !(*vi).IsD() ) (*vi).ClearS();
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return 0;
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}
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static size_t ClearFace(MeshType &m)
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{
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FaceIterator fi;
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for(fi = m.face.begin(); fi != m.face.end(); ++fi)
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if( !(*fi).IsD() ) (*fi).ClearS();
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return 0;
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}
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static void Clear(MeshType &m)
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{
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ClearVertex(m);
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ClearFace(m);
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}
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static size_t CountFace(MeshType &m)
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{
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size_t selCnt=0;
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FaceIterator fi;
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for(fi=m.face.begin();fi!=m.face.end();++fi)
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if(!(*fi).IsD() && (*fi).IsS()) ++selCnt;
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return selCnt;
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}
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static size_t CountVertex(MeshType &m)
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{
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size_t selCnt=0;
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VertexIterator vi;
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for(vi=m.vert.begin();vi!=m.vert.end();++vi)
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if(!(*vi).IsD() && (*vi).IsS()) ++selCnt;
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return selCnt;
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}
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static size_t InvertFace(MeshType &m)
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{
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size_t selCnt=0;
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FaceIterator fi;
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for(fi=m.face.begin();fi!=m.face.end();++fi)
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if(!(*fi).IsD())
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{
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if((*fi).IsS()) (*fi).ClearS();
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else {
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(*fi).SetS();
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++selCnt;
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}
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}
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return selCnt;
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}
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static size_t InvertVertex(MeshType &m)
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{
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size_t selCnt=0;
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VertexIterator vi;
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for(vi=m.vert.begin();vi!=m.vert.end();++vi)
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if(!(*vi).IsD())
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{
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if((*vi).IsS()) (*vi).ClearS();
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else {
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(*vi).SetS();
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++selCnt;
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}
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}
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return selCnt;
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}
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// Select all the vertices that are touched by at least a single selected faces
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static size_t VertexFromFaceLoose(MeshType &m)
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{
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size_t selCnt=0;
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ClearVertex(m);
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FaceIterator fi;
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for(fi = m.face.begin(); fi != m.face.end(); ++fi)
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if( !(*fi).IsD() && (*fi).IsS())
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{
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if( !(*fi).V(0)->IsS()) { (*fi).V(0)->SetS(); ++selCnt; }
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if( !(*fi).V(1)->IsS()) { (*fi).V(1)->SetS(); ++selCnt; }
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if( !(*fi).V(2)->IsS()) { (*fi).V(2)->SetS(); ++selCnt; }
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}
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return selCnt;
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}
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// Select ONLY the vertices that are touched ONLY by selected faces
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// or in other words all the vertices having all the faces incident on them selected.
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// Ambiguity in the def: isolated vertices should be selected? NO.
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//
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static size_t VertexFromFaceStrict(MeshType &m)
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{
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size_t selCnt=0;
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VertexFromFaceLoose(m);
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FaceIterator fi;
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for(fi = m.face.begin(); fi != m.face.end(); ++fi)
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if( !(*fi).IsD() && !(*fi).IsS())
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{
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(*fi).V(0)->ClearS();
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(*fi).V(1)->ClearS();
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(*fi).V(2)->ClearS();
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}
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return CountVertex(m);
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}
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// Select ONLY the faces with ALL the vertices selected
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static size_t FaceFromVertexStrict(MeshType &m)
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{
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size_t selCnt=0;
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ClearFace(m);
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FaceIterator fi;
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for(fi = m.face.begin(); fi != m.face.end(); ++fi)
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if( !(*fi).IsD())
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{
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if((*fi).V(0)->IsS() && (*fi).V(1)->IsS() && (*fi).V(2)->IsS())
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{
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(*fi).SetS();
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++selCnt;
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}
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}
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return selCnt;
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}
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static size_t FaceFromVertexLoose(MeshType &m)
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{
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size_t selCnt=0;
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ClearFace(m);
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FaceIterator fi;
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for(fi = m.face.begin(); fi != m.face.end(); ++fi)
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if( !(*fi).IsD() && !(*fi).IsS())
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{
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if((*fi).V(0)->IsS() || (*fi).V(1)->IsS() || (*fi).V(2)->IsS())
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{
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(*fi).SetS();
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++selCnt;
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}
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}
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return selCnt;
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}
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static size_t FaceFromBorder(MeshType &m)
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{
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size_t selCnt=0;
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ClearFace(m);
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FaceIterator fi;
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for(fi = m.face.begin(); fi != m.face.end(); ++fi)
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if( !(*fi).IsD() )
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{
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if((*fi).IsB(0) || (*fi).IsB(1) || (*fi).IsB(2))
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{
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(*fi).SetS();
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++selCnt;
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}
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}
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return selCnt;
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}
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}; // end class
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} // End namespace
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} // End namespace
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#endif
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