vcglib/apps/sample/trimesh_smooth/trimesh_smooth.cpp

94 lines
3.6 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 | *
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* All rights reserved. *
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* 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. *
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****************************************************************************/
/*! \file trimesh_smooth.cpp
\ingroup code_sample
\brief the minimal example of using the lib
This file contain a minimal example of the library
*/
#include<vcg/complex/complex.h>
#include <vcg/complex/algorithms/update/topology.h>
#include <vcg/complex/algorithms/update/normal.h>
#include<vcg/complex/algorithms/clean.h>
#include<vcg/complex/algorithms/smooth.h>
// input output
#include <wrap/io_trimesh/import.h>
#include <wrap/io_trimesh/export_ply.h>
using namespace vcg;
using namespace std;
class MyFace;
class MyVertex;
struct MyUsedTypes : public UsedTypes< Use<MyVertex>::AsVertexType, Use<MyFace>::AsFaceType>{};
class MyVertex : public Vertex< MyUsedTypes, vertex::VFAdj, vertex::Coord3f, vertex::Normal3f, vertex::BitFlags >{};
class MyFace : public Face < MyUsedTypes, face::VFAdj, face::Normal3f, face::VertexRef, face::BitFlags > {};
class MyMesh : public vcg::tri::TriMesh<vector<MyVertex>, vector<MyFace> > {};
int main(int argc,char ** argv)
{
if(argc<4)
{
printf("Usage: trimesh_smooth <filename> <steps> <sigma> <fitstep>\n");
return 0;
}
int Step= atoi(argv[2]);
MyMesh m;
//open a mesh
int err = tri::io::Importer<MyMesh>::Open(m,argv[1]);
if(err) { // all the importers return 0 in case of success
printf("Error in reading %s: '%s'\n",argv[1], tri::io::Importer<MyMesh>::ErrorMsg(err));
exit(-1);
}
// some cleaning to get rid of bad file formats like stl that duplicate vertexes..
int dup = tri::Clean<MyMesh>::RemoveDuplicateVertex(m);
int unref = tri::Clean<MyMesh>::RemoveUnreferencedVertex(m);
printf("Removed %i duplicate and %i unreferenced vertices from mesh %s\n",dup,unref,argv[1]);
tri::UpdateTopology<MyMesh>::VertexFace(m);
for(int i=0;i<Step;++i)
{
tri::UpdateNormal<MyMesh>::PerFaceNormalized(m);
tri::Smooth<MyMesh>::VertexCoordPasoDoble(m,atoi(argv[3]),atof(argv[4]),atoi(argv[5]));
}
//LaplacianSmooth(m,atoi(argv[2]));
tri::io::ExporterPLY<MyMesh>::Save(m,"out.ply");
return 0;
}