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* Visual and Computer Graphics Library                            o     o   *
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/*! \file trimesh_normal.cpp
\ingroup code_sample

\brief An example of all the methods for computing normals over a mesh.

*/
#include<vcg/complex/complex.h>

#include<wrap/io_trimesh/import_ply.h>

#include<vcg/complex/algorithms/clean.h>
#include<vcg/complex/algorithms/update/bounding.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::Mark,  face::VertexRef, face::Normal3f, face::BitFlags > {};
class MyEdge    : public Edge<MyUsedTypes>{};
class MyMesh    : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge>  > {};

int main( int argc, char **argv )
{
  MyMesh m;

  if(tri::io::ImporterPLY<MyMesh>::Open(m,"../../meshes/SelfIntersection2.ply")!=0)
  {
    printf("Error reading file  %s\n",argv[1]);
    exit(0);
  }
  std::vector<MyFace *> retVec;
  tri::UpdateNormal<MyMesh>::PerVertexNormalizedPerFaceNormalized(m);
  tri::UpdateBounding<MyMesh>::Box(m);
  tri::Clean<MyMesh>::SelfIntersections(m, retVec);
  printf("Mesh has %i selfintersecting faces\n",retVec.size());
  return 0;
}