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First really working version. Previous code saved a wrong off....

This commit is contained in:
Paolo Cignoni 2006-09-29 13:56:27 +00:00
parent a927c50c8d
commit 5652756eaf
1 changed files with 48 additions and 53 deletions
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101
wrap/io_trimesh/export_off.h
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@ -62,56 +62,51 @@ namespace vcg {
if( m.HasPerVertexColor() && (mask & io::Mask::IOM_VERTCOLOR)) fprintf(fpout,"C");
if( m.HasPerVertexTexture() && (mask & io::Mask::IOM_VERTTEXCOORD)) fprintf(fpout,"ST");
fprintf(fpout,"OFF\n");
fprintf(fpout,"%d %d ", m.vn, m.fn);
fprintf(fpout,"%d %d 0", m.vn, m.fn);
typename SaveMeshType::FaceIterator fi;
// USeless portio of code that try tocomput the exact number of edges.
// OFF usually has a 0 as edge number.
//
//int count_e = 0;
//int boundary_e = 0;
//bool counted=false;
//for(fi=m.face.begin();fi!=m.face.end();++fi)
// (*fi).ClearS();
typename SaveMeshType::FaceIterator fi;
int count_e = 0;
int boundary_e = 0;
bool counted=false;
for(fi=m.face.begin();fi!=m.face.end();++fi)
(*fi).ClearS();
for(fi=m.face.begin();fi!=m.face.end();fi++)
{
(*fi).SetS();
count_e +=3; //assume that we have to increase the number of edges with three
for(int j=0; j<3; j++)
{
if (face::IsBorder(*fi,j)) //If this edge is a border edge
boundary_e++; // then increase the number of boundary edges
else if (face::IsManifold(*fi,j)) //If this edge is manifold
{
if((*fi).FFp(j)->IsS()) //If the face on the other side of the edge is already selected
count_e--; // we counted one edge twice
}
else //We have a non-manifold edge
{
hei.Set(&(*fi), j , fi->V(j));
he=hei;
he.NextF();
while (he.f!=hei.f) // so we have to iterated all faces that are connected to this edge
{
if (he.f->IsS()) // if one of the other faces was already visited than this edge was counted already.
{
counted=true;
break;
}
else
{
he.NextF();
}
}
if (counted)
{
count_e--;
counted=false;
}
}
}
}
fprintf(fpout,"%d\n", count_e);
//for(fi=m.face.begin();fi!=m.face.end();fi++)
//{
// (*fi).SetS();
// count_e +=3; //assume that we have to increase the number of edges with three
// for(int j=0; j<3; j++)
// {
// if (face::IsBorder(*fi,j)) //If this edge is a border edge
// boundary_e++; // then increase the number of boundary edges
// else if (face::IsManifold(*fi,j)) //If this edge is manifold
// {
// if((*fi).FFp(j)->IsS()) //If the face on the other side of the edge is already selected
// count_e--; // we counted one edge twice
// }
// else //We have a non-manifold edge
// {
// hei.Set(&(*fi), j , fi->V(j));
// he=hei;
// he.NextF();
// while (he.f!=hei.f) // so we have to iterated all faces that are connected to this edge
// {
// if (he.f->IsS()){ // if one of the other faces was already visited than this edge was counted already.
// counted=true;
// break;
// } else { he.NextF(); }
// }
// if (counted) {
// count_e--;
// counted=false;
// }
// }
// }
//}
//fprintf(fpout,"%d\n", count_e);
//vertices
int j;
@ -125,14 +120,14 @@ namespace vcg {
if( ! vp->IsD() )
{ // ***** ASCII *****
fprintf(fpout,"Vertex: %g %g %g\n" ,vp->P()[0],vp->P()[1],vp->P()[2]);
if( m.HasPerVertexColor() )
fprintf(fpout,"%g %g %g\n" ,vp->P()[0],vp->P()[1],vp->P()[2]);
if( m.HasPerVertexColor() && (mask & io::Mask::IOM_VERTCOLOR) )
fprintf(fpout,"%d %d %d %d\n",vp->C()[0],vp->C()[1],vp->C()[2],vp->C()[3] );
if( m.HasPerVertexNormal())
if( m.HasPerVertexNormal() && (mask & io::Mask::IOM_VERTNORMAL) )
fprintf(fpout,"%g %g %g\n", vp->N()[0],vp->N()[1],vp->N()[2]);
if( m.HasPerVertexTexture())
if( m.HasPerVertexTexture() && (mask & io::Mask::IOM_VERTTEXCOORD) )
fprintf(fpout,"%g %g\n",vp->T().u(),vp->T().v());
}