222 lines
7.9 KiB
C++
222 lines
7.9 KiB
C++
|
|
// stuff to define the mesh
|
|
#include <vcg/simplex/vertex/base.h>
|
|
#include <vcg/simplex/vertex/component_ocf.h>
|
|
#include <vcg/simplex/face/base.h>
|
|
#include <vcg/simplex/face/component_rt.h>
|
|
#include <vcg/simplex/edge/base.h>
|
|
#include <vcg/complex/complex.h>
|
|
#include <vcg/complex/append.h>
|
|
#include <vcg/complex/algorithms/point_sampling.h>
|
|
#include <vcg/complex/algorithms/update/edges.h>
|
|
|
|
|
|
// io
|
|
#include <wrap/io_trimesh/import.h>
|
|
#include <wrap/io_trimesh/export_ply.h>
|
|
|
|
#include <cstdlib>
|
|
|
|
#include <sys/timeb.h>
|
|
#include <iostream>
|
|
#include <string>
|
|
|
|
|
|
class BaseVertex;
|
|
class BaseEdge;
|
|
class BaseFace;
|
|
|
|
struct BaseUsedTypes: public vcg::UsedTypes<vcg::Use<BaseVertex>::AsVertexType,vcg::Use<BaseEdge>::AsEdgeType,vcg::Use<BaseFace>::AsFaceType>{};
|
|
|
|
class BaseVertex : public vcg::Vertex< BaseUsedTypes,
|
|
vcg::vertex::Coord3f, vcg::vertex::Normal3f, vcg::vertex::BitFlags > {};
|
|
|
|
class BaseEdge : public vcg::Edge< BaseUsedTypes> {};
|
|
|
|
class BaseFace : public vcg::Face< BaseUsedTypes,
|
|
vcg::face::Normal3f, vcg::face::VertexRef, vcg::face::BitFlags, vcg::face::Mark, vcg::face::EdgePlaneEmpty > {};
|
|
|
|
class BaseMesh : public vcg::tri::TriMesh<std::vector<BaseVertex>, std::vector<BaseFace> > {};
|
|
|
|
|
|
|
|
|
|
class RTVertex;
|
|
class RTEdge;
|
|
class RTFace;
|
|
|
|
struct RTUsedTypes: public vcg::UsedTypes<vcg::Use<RTVertex>::AsVertexType,vcg::Use<RTEdge>::AsEdgeType,vcg::Use<RTFace>::AsFaceType>{};
|
|
|
|
class RTVertex : public vcg::Vertex< RTUsedTypes,
|
|
vcg::vertex::Coord3f, vcg::vertex::Normal3f, vcg::vertex::BitFlags > {};
|
|
|
|
class RTEdge : public vcg::Edge< RTUsedTypes> {};
|
|
|
|
class RTFace : public vcg::Face< RTUsedTypes,
|
|
vcg::face::Normal3f, vcg::face::VertexRef, vcg::face::EdgePlane, vcg::face::Mark, vcg::face::BitFlags > {};
|
|
|
|
class RTMesh : public vcg::tri::TriMesh<std::vector<RTVertex>, std::vector<RTFace> > {};
|
|
|
|
|
|
using namespace vcg;
|
|
|
|
void Usage()
|
|
{
|
|
printf( "\nUsage: trimesh_closest mesh.ply samplenum sampledistance(as fraction of bboxdiag)");
|
|
exit(-1);
|
|
}
|
|
|
|
// Testing of closest point on a mesh functionalities
|
|
// Two main options
|
|
// - using or not precomputed edges and planes
|
|
// - using the simple wrapper or the basic functions of the grid.
|
|
// - using the fn as size of the grid or the edge lenght as cell side
|
|
|
|
template <class MeshType, bool useEdge,bool useWrap, bool useFaceNumForGrid>
|
|
bool UnitTest_Closest(const char *filename1, int sampleNum, float dispPerc, std::vector<int> resultVec)
|
|
{
|
|
MeshType mr;
|
|
typedef typename MeshType::ScalarType ScalarType;
|
|
typedef typename MeshType::CoordType CoordType;
|
|
typedef typename MeshType::FaceType FaceType;
|
|
typedef GridStaticPtr<FaceType, ScalarType> TriMeshGrid;
|
|
|
|
int startOpen=clock();
|
|
int err=vcg::tri::io::Importer<MeshType>::Open(mr,filename1);
|
|
tri::UpdateBounding<MeshType>::Box(mr);
|
|
// tri::UpdateNormals<MeshType>::PerFaceNormalized(mr);
|
|
tri::UpdateNormals<MeshType>::PerFace(mr);
|
|
float dispAbs = mr.bbox.Diag()*dispPerc;
|
|
if(err)
|
|
{
|
|
std::cerr << "Unable to open mesh " << filename1 << " : " << vcg::tri::io::Importer<MeshType>::ErrorMsg(err) << std::endl;
|
|
exit(-1);
|
|
}
|
|
int endOpen = clock();
|
|
printf("Loading %6.3f - ",float(endOpen-startOpen)/CLOCKS_PER_SEC);
|
|
|
|
int startSampling = clock();
|
|
|
|
std::vector<Point3f> MontecarloSamples;
|
|
// First step build the sampling
|
|
typedef tri::TrivialSampler<MeshType> BaseSampler;
|
|
BaseSampler mcSampler(MontecarloSamples);
|
|
tri::SurfaceSampling<MeshType,BaseSampler>::SamplingRandomGenerator().initialize(123);
|
|
tri::SurfaceSampling<MeshType,BaseSampler>::Montecarlo(mr, mcSampler, sampleNum);
|
|
math::MarsenneTwisterRNG rnd;
|
|
rnd.initialize(123);
|
|
for(size_t i=0;i<MontecarloSamples.size();++i)
|
|
{
|
|
Point3f pp(rnd.generate01(),rnd.generate01(),rnd.generate01());
|
|
pp = (pp+Point3f(-0.5f,-0.5f,-0.5f))*2.0f;
|
|
pp*=rnd.generate01()*dispAbs;
|
|
MontecarloSamples[i]+=pp;
|
|
}
|
|
int endSampling = clock();
|
|
|
|
printf("Sampling %6.3f - ",float(endSampling-startSampling)/CLOCKS_PER_SEC);
|
|
|
|
int startGridInit = clock();
|
|
TriMeshGrid TRGrid;
|
|
if(useFaceNumForGrid)
|
|
{
|
|
TRGrid.Set(mr.face.begin(),mr.face.end(),mr.FN()*2);
|
|
}
|
|
else
|
|
{
|
|
float avgEdge = tri::Stat<MeshType>::ComputeFaceEdgeAverage(mr);
|
|
TRGrid.SetWithRadius(mr.face.begin(),mr.face.end(),avgEdge*2);
|
|
}
|
|
|
|
if(useEdge)
|
|
tri::UpdateEdges<MeshType>::Set(mr);
|
|
|
|
int endGridInit = clock();
|
|
printf("Grid Init %6.3f - ",float(endGridInit-startGridInit)/CLOCKS_PER_SEC);
|
|
|
|
const ScalarType maxDist=std::max(dispAbs*10.0f,mr.bbox.Diag()/1000.f);
|
|
CoordType closest;
|
|
ScalarType dist;
|
|
int startGridQuery = clock();
|
|
double avgDist=0;
|
|
resultVec.resize(MontecarloSamples.size());
|
|
if(useEdge && useWrap)
|
|
for(size_t i=0;i<MontecarloSamples.size();++i)
|
|
{
|
|
resultVec[i]=tri::Index(mr,tri::GetClosestFaceEP(mr,TRGrid,MontecarloSamples[i], maxDist,dist,closest));
|
|
if(resultVec[i]) avgDist += double(dist);
|
|
}
|
|
if(!useEdge && useWrap)
|
|
for(size_t i=0;i<MontecarloSamples.size();++i)
|
|
{
|
|
resultVec[i]=tri::Index(mr,tri::GetClosestFaceBase(mr,TRGrid,MontecarloSamples[i], maxDist,dist,closest));
|
|
if(resultVec[i]) avgDist += double(dist);
|
|
}
|
|
if(useEdge && !useWrap)
|
|
{
|
|
typedef tri::FaceTmark<MeshType> MarkerFace;
|
|
MarkerFace mf;
|
|
mf.SetMesh(&mr);
|
|
face::PointDistanceBaseFunctor<ScalarType> PDistFunct;
|
|
for(size_t i=0;i<MontecarloSamples.size();++i)
|
|
{
|
|
resultVec[i]=tri::Index(mr,TRGrid.GetClosest(PDistFunct,mf,MontecarloSamples[i],maxDist,dist,closest));
|
|
if(resultVec[i]) avgDist += double(dist);
|
|
}
|
|
}
|
|
if(!useEdge && !useWrap)
|
|
{
|
|
typedef tri::FaceTmark<MeshType> MarkerFace;
|
|
MarkerFace mf;
|
|
mf.SetMesh(&mr);
|
|
face::PointDistanceBaseFunctor<ScalarType> PDistFunct;
|
|
for(size_t i=0;i<MontecarloSamples.size();++i)
|
|
{
|
|
resultVec[i]=tri::Index(mr,TRGrid.GetClosest(PDistFunct,mf,MontecarloSamples[i],maxDist,dist,closest));
|
|
if(resultVec[i]) avgDist += double(dist);
|
|
}
|
|
}
|
|
|
|
int endGridQuery = clock();
|
|
printf("Grid Size %3i %3i %3i - ",TRGrid.siz[0],TRGrid.siz[1],TRGrid.siz[2]);
|
|
printf("Avg dist %6.9lf - ",avgDist / float(MontecarloSamples.size()));
|
|
printf("Grid Query %6.3f \n", float(endGridQuery-startGridQuery)/CLOCKS_PER_SEC);
|
|
return true;
|
|
}
|
|
|
|
int main(int argc ,char**argv)
|
|
{
|
|
if(argc<3) Usage();
|
|
float dispPerc = atof(argv[3]);
|
|
int sampleNum = atoi(argv[2]);
|
|
std::vector<int> resultVecRT11;
|
|
std::vector<int> resultVecRT01;
|
|
std::vector<int> resultVecRT00;
|
|
std::vector<int> resultVecRT10;
|
|
std::vector<int> resultVecBS01;
|
|
std::vector<int> resultVecBS00;
|
|
UnitTest_Closest<RTMesh, true, true, true> (argv[1],sampleNum,dispPerc,resultVecRT11);
|
|
UnitTest_Closest<RTMesh, true, true, false> (argv[1],sampleNum,dispPerc,resultVecRT11);
|
|
UnitTest_Closest<RTMesh, true, false, true> (argv[1],sampleNum,dispPerc,resultVecRT01);
|
|
UnitTest_Closest<RTMesh, true, false, false> (argv[1],sampleNum,dispPerc,resultVecRT00);
|
|
UnitTest_Closest<RTMesh, false, true, true> (argv[1],sampleNum,dispPerc,resultVecRT10);
|
|
UnitTest_Closest<RTMesh, false, true, false> (argv[1],sampleNum,dispPerc,resultVecRT10);
|
|
UnitTest_Closest<RTMesh, false, false, true> (argv[1],sampleNum,dispPerc,resultVecRT10);
|
|
UnitTest_Closest<RTMesh, false, false, false> (argv[1],sampleNum,dispPerc,resultVecRT10);
|
|
|
|
UnitTest_Closest<BaseMesh,false, true, true> (argv[1],sampleNum,dispPerc,resultVecBS01);
|
|
UnitTest_Closest<BaseMesh,false, true, false> (argv[1],sampleNum,dispPerc,resultVecBS01);
|
|
UnitTest_Closest<BaseMesh,false, false, true>(argv[1],sampleNum,dispPerc,resultVecBS01);
|
|
UnitTest_Closest<BaseMesh,false, false, false>(argv[1],sampleNum,dispPerc,resultVecBS01);
|
|
|
|
for(size_t i=0;i<resultVecRT11.size();++i)
|
|
{
|
|
if(resultVecRT11[i]!=resultVecRT01[i]) printf("%i is diff",i);
|
|
if(resultVecRT11[i]!=resultVecRT00[i]) printf("%i is diff",i);
|
|
if(resultVecRT11[i]!=resultVecRT10[i]) printf("%i is diff",i);
|
|
if(resultVecRT11[i]!=resultVecBS00[i]) printf("%i is diff",i);
|
|
if(resultVecRT11[i]!=resultVecBS01[i]) printf("%i is diff",i);
|
|
}
|
|
return 0;
|
|
}
|