vcglib/apps/sample/trimesh_smooth/trimesh_smooth.cpp

#include <vector>

#include<vcg/simplex/vertex/base.h>
#include<vcg/simplex/face/base.h>
#include<vcg/simplex/face/topology.h>

#include<vcg/complex/trimesh/base.h>

#include <vcg/complex/trimesh/update/topology.h>
#include <vcg/complex/trimesh/update/normal.h>
// to clean up a mesh
#include<vcg/complex/trimesh/clean.h>
#include<vcg/complex/trimesh/smooth.h>

// input output
#include <wrap/io_trimesh/import.h>
#include <wrap/io_trimesh/export_ply.h>


using namespace vcg;
using namespace std;


class MyEdge;    // dummy prototype never used
class MyFace;
class MyVertex;

class MyVertex  : public VertexSimp2< MyVertex, MyEdge, MyFace, vertex::VFAdj, vertex::Coord3f, vertex::Normal3f, vertex::BitFlags  >{};
class MyFace    : public FaceSimp2  < MyVertex, MyEdge, MyFace, 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;
}

	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]);
  int Step= atoi(argv[2]);

  tri::UpdateTopology<MyMesh>::VertexFace(m);

  for(int i=0;i<Step;++i)
  {
    tri::UpdateNormals<MyMesh>::PerFaceNormalized(m);
		tri::Smooth<MyMesh>::VertexCoordPasoDobleFast(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;
}