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Rewrote sample for voronoi sampling. 

Now it also delete short edges and triangulate the regions.
This commit is contained in:
Paolo Cignoni 2013-10-09 09:20:21 +00:00
parent 93eb66356b
commit 0bf3377f67
1 changed files with 9 additions and 6 deletions
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15
apps/sample/trimesh_voronoisampling/trimesh_voronoisampling.cpp
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@ -66,14 +66,14 @@ int main( int argc, char **argv )
MyMesh baseMesh, outMesh, polyMesh; MyMesh baseMesh, outMesh, polyMesh;
if(argc < 4 ) if(argc < 4 )
{ {
printf("Usage trimesh_voronoisampling mesh sampleNum iterNum variance \n"); printf("Usage trimesh_voronoisampling mesh sampleNum iterNum edgeCollapsePerc \n");
return -1; return -1;
} }
int sampleNum = atoi(argv[2]); int sampleNum = atoi(argv[2]);
int iterNum = atoi(argv[3]); int iterNum = atoi(argv[3]);
float radiusVariance = atof(argv[4]); float collapseShortEdgePerc = atof(argv[4]);
printf("Reading %s and sampling %i points with %i iteration and using %f variance\n",argv[1],sampleNum,iterNum,radiusVariance); printf("Reading %s and sampling %i points with %i iteration and using %f variance\n",argv[1],sampleNum,iterNum,collapseShortEdgePerc);
int ret= tri::io::ImporterPLY<MyMesh>::Open(baseMesh,argv[1]); int ret= tri::io::ImporterPLY<MyMesh>::Open(baseMesh,argv[1]);
if(ret!=0) if(ret!=0)
{ {
@ -112,9 +112,9 @@ int main( int argc, char **argv )
std::vector<MyVertex *> seedVec; std::vector<MyVertex *> seedVec;
tri::VoronoiProcessing<MyMesh>::SeedToVertexConversion(baseMesh,sampleVec,seedVec); tri::VoronoiProcessing<MyMesh>::SeedToVertexConversion(baseMesh,sampleVec,seedVec);
float eps = baseMesh.bbox.Diag()/10000.0f; float eps = baseMesh.bbox.Diag()/10000.0f;
for(int i=0;i<cornerMesh.vert.size();++i) for(size_t i=0;i<cornerMesh.vert.size();++i)
{ {
for(int j=0;j<seedVec.size();++j) for(size_t j=0;j<seedVec.size();++j)
if(Distance(cornerMesh.vert[i].P(),seedVec[j]->P()) < eps) if(Distance(cornerMesh.vert[i].P(),seedVec[j]->P()) < eps)
seedVec[j]->SetS(); seedVec[j]->SetS();
} }
@ -122,6 +122,9 @@ int main( int argc, char **argv )
tri::VoronoiProcessingParameter vpp; tri::VoronoiProcessingParameter vpp;
vpp.deleteUnreachedRegionFlag=true; vpp.deleteUnreachedRegionFlag=true;
vpp.fixSelectedSeed=true; vpp.fixSelectedSeed=true;
vpp.collapseShortEdge=true;
vpp.collapseShortEdgePerc=collapseShortEdgePerc;
vpp.triangulateRegion = true;
tri::EuclideanDistance<MyMesh> dd; tri::EuclideanDistance<MyMesh> dd;
int t0=clock(); int t0=clock();
@ -143,6 +146,6 @@ int main( int argc, char **argv )
// tri::io::ExporterPLY<MyMesh>::Save(outMesh,"outW.ply",tri::io::Mask::IOM_VERTCOLOR ); // tri::io::ExporterPLY<MyMesh>::Save(outMesh,"outW.ply",tri::io::Mask::IOM_VERTCOLOR );
// tri::io::ExporterPLY<MyMesh>::Save(polyMesh,"polyW.ply",tri::io::Mask::IOM_VERTCOLOR | tri::io::Mask::IOM_EDGEINDEX,false); // tri::io::ExporterPLY<MyMesh>::Save(polyMesh,"polyW.ply",tri::io::Mask::IOM_VERTCOLOR | tri::io::Mask::IOM_EDGEINDEX,false);
// tri::io::ExporterDXF<MyMesh>::Save(polyMesh,"outW.dxf"); // tri::io::ExporterDXF<MyMesh>::Save(polyMesh,"outW.dxf");
printf("Completed! %i iterations in %f sec for %i seeds \n",iterNum,float(t1-t0)/CLOCKS_PER_SEC,seedVec.size()); printf("Completed! %i iterations in %f sec for %lu seeds \n",iterNum,float(t1-t0)/CLOCKS_PER_SEC,seedVec.size());
return 0; return 0;
} }