vcglib/apps/sample/trimesh_normal/trimesh_normal.cpp

79 lines
3.5 KiB
C++

/****************************************************************************
* 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<vcg/complex/complex.h>
#include<wrap/io_trimesh/import_off.h>
#include<vcg/complex/algorithms/update/normal.h>
using namespace vcg;
using namespace std;
class MyEdge;
class MyFace;
class MyVertex;
struct MyUsedTypes : public UsedTypes< Use<MyVertex> ::AsVertexType,
Use<MyEdge> ::AsEdgeType,
Use<MyFace> ::AsFaceType>{};
class MyVertex : public Vertex<MyUsedTypes, vertex::Coord3f, vertex::Normal3f, vertex::BitFlags >{};
class MyFace : public Face< MyUsedTypes, face::FFAdj, face::VertexRef, face::BitFlags > {};
class MyEdge : public Edge<MyUsedTypes>{};
class MyMesh : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge> > {};
int main( int argc, char **argv )
{
if(argc<2)
{
printf("Usage trimesh_base <meshfilename.obj>\n");
return -1;
}
MyMesh m;
if(tri::io::ImporterOFF<MyMesh>::Open(m,argv[1])!=0)
{
printf("Error reading file %s\n",argv[1]);
exit(0);
}
Matrix44f m44 = Matrix44f::Identity();
tri::UpdateNormal<MyMesh>::PerVertexClear(m);
tri::UpdateNormal<MyMesh>::PerVertex(m);
tri::UpdateNormal<MyMesh>::PerVertexAngleWeighted(m);
tri::UpdateNormal<MyMesh>::PerVertexNelsonMaxWeighted(m);
tri::UpdateNormal<MyMesh>::PerFace(m);
tri::UpdateNormal<MyMesh>::PerVertexFromCurrentFaceNormal(m);
tri::UpdateNormal<MyMesh>::PerFaceFromCurrentVertexNormal(m);
tri::UpdateNormal<MyMesh>::NormalizePerVertex(m);
tri::UpdateNormal<MyMesh>::NormalizePerFace(m);
tri::UpdateNormal<MyMesh>::NormalizePerFaceByArea(m);
tri::UpdateNormal<MyMesh>::PerBitQuadFaceNormalized(m);
tri::UpdateNormal<MyMesh>::PerVertexMatrix(m,m44);
tri::UpdateNormal<MyMesh>::PerFaceMatrix(m,m44);
tri::UpdateNormal<MyMesh>::PerWedgeCrease(m, math::ToRad(45.0f));
return 0;
}