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Updated to include better control of the voronoi parametrization. Changed packer (warning it requires qt...)

This commit is contained in:
Paolo Cignoni 2013-04-03 10:07:29 +00:00
parent 135f5f9ecb
commit eeddfe6a90
1 changed files with 26 additions and 7 deletions
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33
vcg/complex/algorithms/parametrization/voronoi_atlas.h
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@ -1,14 +1,17 @@
#ifndef VORONOI_ATLAS_H
#define VORONOI_ATLAS_H
#include<vcg/complex/algorithms/parametrization/poisson_solver.h>
#include<vcg/complex/algorithms/parametrization/uv_utils.h>
#include<vcg/complex/algorithms/parametrization/distortion.h>
#include<vcg/space/poly_packer.h>
#include<vcg/complex/append.h>
#include<vcg/space/outline2_packer.h>
#include<vcg/space/rasterized_outline2_packer.h>
#include<vcg/complex/algorithms/update/texture.h>
#include<vcg/complex/algorithms/point_sampling.h>
#include<vcg/complex/algorithms/voronoi_clustering.h>
#include<wrap/qt/outline2_rasterizer.h>
namespace vcg {
namespace tri {
@ -83,6 +86,7 @@ public:
{
VoronoiAtlasParam()
{
maxIterNum = 5;
sampleNum=10;
overlap=false;
}
@ -102,6 +106,7 @@ public:
int sampleNum;
bool overlap;
Stat vas;
int maxIterNum;
};
// Main parametrization function:
@ -125,13 +130,14 @@ public:
// Main processing loop
do
{
qDebug("************ ITERATION %i sampling mesh of %i with %i ************",pp.vas.iterNum,m.fn,pp.sampleNum);
int st0=clock();
std::vector<Point3f> PoissonSamples;
float diskRadius=0;
tri::PoissonSampling(m,PoissonSamples,pp.sampleNum,diskRadius);
int st1=clock();
pp.vas.samplingTime+= st1-st0;
printf("Sampling created a new mesh of %lu points\n",PoissonSamples.size());
qDebug("Sampling created a new mesh of %lu points\n",PoissonSamples.size());
std::vector<VertexType *> seedVec;
tri::VoronoiProcessing<VoroMesh>::SeedToVertexConversion(m,PoissonSamples,seedVec);
tri::UpdateTopology<VoroMesh>::VertexFace(m);
@ -145,6 +151,8 @@ public:
{
VoroMesh *rm = new VoroMesh();
int selCnt = tri::VoronoiProcessing<VoroMesh>::FaceSelectAssociateRegion(m,seedVec[i]);
qDebug("Region %i of %i faces",i,selCnt);
if(selCnt==0) continue;
assert(selCnt>0);
if(pp.overlap){
tri::UpdateSelection<VoroMesh>::VertexFromFaceLoose(m);
@ -165,16 +173,24 @@ public:
CollectUVBorder(rm,uvBorder);
meshRegionVec.push_back(rm);
uvBorders.push_back(uvBorder);
int foldedCnt = tri::Distortion<VoroMesh,false>::Folded(*rm);
if( foldedCnt > rm->fn/10)
{
badRegionVec.push_back(rm);
qDebug("-- region %i Parametrized but with %i fold on %i!",i,foldedCnt,rm->fn);
}
else qDebug("-- region %i Parametrized!",i);
} else
{
qDebug("ACH - mesh %i is NOT homeomorphic to a disk\n",i);
qDebug("-- region %i is NOT homeomorphic to a disk\n",i);
badRegionVec.push_back(rm);
}
int tp1=clock();
pp.vas.unwrapTime +=tp1-tp0;
++pp.vas.iterNum;
}
qDebug("\n -- Completed (%i bad regions) -- \n", badRegionVec.size());
VoroMesh *rm = new VoroMesh();
tri::VoronoiProcessing<VoroMesh>::FaceSelectAssociateRegion(m,0);
tri::Append<VoroMesh,VoroMesh>::Mesh(*rm, m, true);
@ -189,7 +205,7 @@ public:
if(!badRegionVec.empty())
{
for(size_t i=0;i<badRegionVec.size();++i)
if(badRegionVec[i]->fn>10)
if(badRegionVec[i]->fn>50)
tri::Append<VoroMesh,VoroMesh>::Mesh(m, *badRegionVec[i], false);
tri::Clean<VoroMesh>::RemoveDuplicateFace(m);
@ -201,7 +217,10 @@ public:
std::vector<Similarity2f> trVec;
Point2f finalSize;
PolyPacker<float>::PackAsObjectOrientedRect(uvBorders,Point2f(1024.0f,1024.0f),trVec,finalSize);
//PolyPacker<float>::WritePolyVec(uvBorders,"borders.poly");
PolyPacker<float>::PackAsObjectOrientedRect(uvBorders,Point2i(1024,1024),trVec,finalSize);
RasterizedOutline2Packer<float,QtOutline2Rasterizer>::Parameters prp;
RasterizedOutline2Packer<float,QtOutline2Rasterizer>::Pack(uvBorders,Point2i(1024,1024),trVec,prp);
// loop again over all the patches
pp.vas.regionNum=meshRegionVec.size();
for(size_t i=0; i<meshRegionVec.size();++i)