/**************************************************************************** * VCGLib o o * * Visual and Computer Graphics Library o o * * _ O _ * * Copyright(C) 2004-2012 \/)\/ * * 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. * * * ****************************************************************************/ #include #include #include #include #include #include #include class CFace; class CFaceOcf; class CVertex; class CVertexOcf; struct MyUsedTypes: public vcg::UsedTypes::AsVertexType,vcg::Use::AsFaceType>{}; struct MyUsedTypesOcf: public vcg::UsedTypes::AsVertexType,vcg::Use::AsFaceType>{}; // Optional stuff has two suffixes: // OCF Optional Component Fast // OCC Optional Component Compact class CVertex : public vcg::Vertex< MyUsedTypes, vcg::vertex::Coord3f, vcg::vertex::BitFlags,vcg::vertex::Normal3f >{}; class CVertexOcf : public vcg::Vertex< MyUsedTypesOcf,vcg::vertex::InfoOcf,vcg::vertex::Coord3f,vcg::vertex::QualityfOcf, vcg::vertex::BitFlags,vcg::vertex::Normal3f,vcg::vertex::RadiusfOcf >{}; class CFace : public vcg::Face< MyUsedTypes, vcg::face::FFAdj, vcg::face::VertexRef, vcg::face::BitFlags, vcg::face::Normal3f > {}; class CFaceOcf : public vcg::Face< MyUsedTypesOcf, vcg::face::InfoOcf, vcg::face::FFAdjOcf, vcg::face::VertexRef, vcg::face::BitFlags, vcg::face::Normal3fOcf > {}; class CMesh : public vcg::tri::TriMesh< std::vector, std::vector > {}; class CMeshOcf : public vcg::tri::TriMesh< vcg::vertex::vector_ocf, vcg::face::vector_ocf > {}; using namespace vcg; using namespace std; int main(int , char **) { CMesh cm; CMeshOcf cmof; tri::Tetrahedron(cm); tri::Tetrahedron(cmof); printf("Generated mesh has %i vertices and %i triangular faces\n",cm.VN(),cm.FN()); assert(tri::HasFFAdjacency(cmof) == false); cmof.face.EnableFFAdjacency(); assert(tri::HasFFAdjacency(cmof) == true); tri::UpdateTopology::FaceFace(cm); tri::UpdateTopology::FaceFace(cmof); tri::UpdateFlags::FaceBorderFromFF(cm); tri::UpdateFlags::FaceBorderFromFF(cmof); tri::UpdateNormal::PerVertexPerFace(cm); cmof.face.EnableNormal(); // if you remove this the next line will throw an exception for a missing 'normal' component tri::UpdateNormal::PerVertexPerFace(cmof); printf("Normal of face 0 is %f %f %f\n\n",cm.face[0].N()[0],cm.face[0].N()[1],cm.face[0].N()[2]); int t0=0,t1=0,t2=0; while(float(t1-t0)/CLOCKS_PER_SEC < 0.5) { t0=clock(); tri::Refine(cm,tri::MidPointButterfly(cm),0); t1=clock(); tri::Refine(cmof,tri::MidPointButterfly(cmof),0); t2=clock(); } printf("Last Iteration: Refined a tetra up to a mesh of %i faces in %5.2f %5.2f sec\n",cm.FN(),float(t1-t0)/CLOCKS_PER_SEC,float(t2-t1)/CLOCKS_PER_SEC); cmof.vert.EnableRadius(); cmof.vert.EnableQuality(); unsigned int hh = 0; for(CMeshOcf::VertexIterator vi = cmof.vert.begin(); vi!=cmof.vert.end();++vi,++hh){ if(hh%3==0) vcg::tri::Allocator::DeleteVertex(cmof,*vi); } for(CMeshOcf::VertexIterator vi = cmof.vert.begin(); vi!=cmof.vert.end();++vi) { if(!(*vi).IsD()) { float q =vi->Q(); float r =vi->R(); assert(q==r); } } tri::Allocator::CompactVertexVector(cmof); tri::UpdateBounding::Box(cmof); for(CMeshOcf::VertexIterator vi = cmof.vert.begin(); vi!=cmof.vert.end();++vi) { if(!(*vi).IsD()) { float q =vi->Q(); float r =vi->R(); assert(q==r); } } return 0; }