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modified count edges

This commit is contained in:
Paolo Cignoni 2005-09-28 12:35:36 +00:00
parent 541c26e601
commit f37ac2dd1b
1 changed files with 19 additions and 14 deletions
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31
wrap/io_trimesh/export_off.h
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@ -69,29 +69,34 @@ namespace vcg {
MyMesh::FaceIterator fi; MyMesh::FaceIterator fi;
int count_e = 0; int count_e = 0;
int boundary_e = 0;
bool counted=false; bool counted=false;
for(fi=m.face.begin();fi!=m.face.end();++fi) for(fi=m.face.begin();fi!=m.face.end();++fi)
(*fi).ClearS(); (*fi).ClearS();
for(fi=m.face.begin();fi!=m.face.end();++fi)
for(fi=m.face.begin();fi!=m.face.end();fi++)
{ {
(*fi).SetS(); (*fi).SetS();
count_e +=3; count_e +=3; //assume that we have to increase the number of edges with three
for(int i=0; i<3; ++i) for(int j=0; j<3; j++)
{ {
if (IsManifold(*fi,i)) if (fi->IsBorder(j)) //If this edge is a border edge
boundary_e++; // then increase the number of boundary edges
else if (IsManifold(*fi,j)) //If this edge is manifold
{ {
if((*fi).FFp(i)->IsS()) if((*fi).FFp(j)->IsS()) //If the face on the other side of the edge is already selected
count_e--; count_e--; // we counted one edge twice
} }
else else //We have a non-manifold edge
{ {
hei.Set(&(*fi), i , fi->V(i)); hei.Set(&(*fi), j , fi->V(j));
he=hei; he=hei;
he.NextF(); he.NextF();
while (he.f!=hei.f) while (he.f!=hei.f) // so we have to iterated all faces that are connected to this edge
{ {
if (he.f->IsS()) if (he.f->IsS()) // if one of the other faces was already visited than this edge was counted already.
{ {
counted=true; counted=true;
break; break;
@ -125,13 +130,13 @@ namespace vcg {
fprintf(fpout,"Vertex: %g %g %g\n" ,vp->P()[0],vp->P()[1],vp->P()[2]); fprintf(fpout,"Vertex: %g %g %g\n" ,vp->P()[0],vp->P()[1],vp->P()[2]);
if( m.HasPerVertexColor() ) if( m.HasPerVertexColor() )
fprintf(fpout,"Color: %d %d %d %d\n",vp->C()[0],vp->C()[1],vp->C()[2],vp->C()[3] ); 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())
fprintf(fpout,"Normal: %g %g %g\n", vp->N()[0],vp->N()[1],vp->N()[2]); fprintf(fpout,"%g %g %g\n", vp->N()[0],vp->N()[1],vp->N()[2]);
if( m.HasPerVertexTexture()) if( m.HasPerVertexTexture())
fprintf(fpout,"Texture: %g %g\n",vp->T().u(),vp->T().v()); fprintf(fpout,"%g %g\n",vp->T().u(),vp->T().v());
} }
vp->UberFlags()=j; // Trucco! Nascondi nei flags l'indice del vertice non deletato! vp->UberFlags()=j; // Trucco! Nascondi nei flags l'indice del vertice non deletato!