78 lines
3.8 KiB
C++
78 lines
3.8 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) 2004-2016 \/)\/ *
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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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/*! \file trimesh_base.cpp
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\ingroup code_sample
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\brief the minimal example of using the lib
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This file contain a minimal example of the library, showing how to load a mesh and how to compute per vertex normals on it.
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*/
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#include<vcg/complex/complex.h>
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#include<wrap/io_trimesh/import_off.h>
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#include<vcg/complex/algorithms/update/topology.h>
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#include<vcg/complex/algorithms/update/normal.h>
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class MyVertex; class MyEdge; class MyFace;
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struct MyUsedTypes : public vcg::UsedTypes<vcg::Use<MyVertex> ::AsVertexType,
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vcg::Use<MyEdge> ::AsEdgeType,
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vcg::Use<MyFace> ::AsFaceType>{};
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class MyVertex : public vcg::Vertex< MyUsedTypes, vcg::vertex::Coord3f, vcg::vertex::Normal3f, vcg::vertex::BitFlags >{};
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class MyFace : public vcg::Face< MyUsedTypes, vcg::face::FFAdj, vcg::face::VertexRef, vcg::face::BitFlags > {};
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class MyEdge : public vcg::Edge< MyUsedTypes> {};
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class MyMesh : public vcg::tri::TriMesh< std::vector<MyVertex>, std::vector<MyFace> , std::vector<MyEdge> > {};
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class MyVertex0 : public vcg::Vertex< MyUsedTypes, vcg::vertex::Coord3f, vcg::vertex::BitFlags >{};
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class MyVertex1 : public vcg::Vertex< MyUsedTypes, vcg::vertex::Coord3f, vcg::vertex::Normal3f, vcg::vertex::BitFlags >{};
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class MyVertex2 : public vcg::Vertex< MyUsedTypes, vcg::vertex::Coord3f, vcg::vertex::Color4b, vcg::vertex::CurvatureDirf,
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vcg::vertex::Qualityf, vcg::vertex::Normal3f, vcg::vertex::BitFlags >{};
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int main( int argc, char **argv )
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{
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if(argc<2)
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{
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printf("Usage trimesh_base <meshfilename.obj>\n");
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return -1;
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}
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/*!
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*/
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MyMesh m;
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if(vcg::tri::io::ImporterOFF<MyMesh>::Open(m,argv[1])!=vcg::tri::io::ImporterOFF<MyMesh>::NoError)
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{
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printf("Error reading file %s\n",argv[1]);
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exit(0);
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}
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vcg::tri::RequirePerVertexNormal(m);
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vcg::tri::UpdateNormal<MyMesh>::PerVertexNormalized(m);
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printf("Input mesh vn:%i fn:%i\n",m.VN(),m.FN());
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printf( "Mesh has %i vert and %i faces\n", m.VN(), m.FN() );
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return 0;
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}
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