Beispiel #1
0
void ClampVertexQuality(uintptr_t meshptr, float qMin, float qMax, float perc, bool zerosym)
{
	MyMesh &m = *((MyMesh*) meshptr);
	
	bool usePerc = (perc > 0);
	Distribution<float> H;
	tri::Stat<MyMesh>::ComputePerVertexQualityDistribution(m, H);
	float percLo = H.Percentile(perc/100.0f);
	float percHi = H.Percentile(1.0f - (perc/100.0f));
	
	if (qMin == qMax) {
		std::pair<float, float> minmax = tri::Stat<MyMesh>::ComputePerVertexQualityMinMax(m);
		qMin = minmax.first;
		qMax = minmax.second;
	}

	if (zerosym) {
		qMin = std::min(qMin, -math::Abs(qMax));
		qMax = -qMin;
		percLo = std::min(percLo, -math::Abs(percHi));
		percHi = -percLo;
	}

	if (usePerc) {
		tri::UpdateQuality<MyMesh>::VertexClamp(m, percLo, percHi);
		printf("Quality Range: %f %f; Used (%f %f) percentile (%f %f)\n", H.Min(), H.Max(), percLo, percHi, perc, (100.0f-perc));
	} else {
		tri::UpdateQuality<MyMesh>::VertexClamp(m, qMin, qMax);
		printf("Quality Range: %f %f; Used (%f %f)\n", H.Min(), H.Max(), qMin, qMax);
	}
}
Beispiel #2
0
void ColorizeByQuality(uintptr_t meshptr, bool vertexQuality, float qMin, float qMax, float perc, bool zerosym, int colorMap)
{
  MyMesh &m = *((MyMesh*) meshptr);
  
  bool usePerc = (perc > 0);
  Distribution<float> H;
  
  if(vertexQuality)
    tri::Stat<MyMesh>::ComputePerVertexQualityDistribution(m, H);
  else
    tri::Stat<MyMesh>::ComputePerFaceQualityDistribution(m, H);
  
  float percLo = H.Percentile(perc/100.0f);
  float percHi = H.Percentile(1.0f - (perc/100.0f));
  
  if (qMin == qMax) {
    std::pair<float, float> minmax;
    
    if(vertexQuality)
       minmax = tri::Stat<MyMesh>::ComputePerVertexQualityMinMax(m);
    else
      minmax = tri::Stat<MyMesh>::ComputePerFaceQualityMinMax(m);
    qMin = minmax.first;
    qMax = minmax.second;
  }
  
  if (zerosym) {
    qMin = std::min(qMin, -math::Abs(qMax));
    qMax = -qMin;
    percLo = std::min(percLo, -math::Abs(percHi));
    percHi = -percLo;
  }
  
  if (usePerc) {
    qMin = percLo;
    qMax = percHi;
    printf("Used (%f %f) percentile (%f %f)\n", percLo, percHi, perc, (100.0f-perc));
  } 
  
  printf("Quality Range: %f %f; Used (%f %f)\n", H.Min(), H.Max(), qMin, qMax);
  switch (colorMap)
  { 
  case 0: if(vertexQuality) 
            tri::UpdateColor<MyMesh>::PerVertexQualityRamp(m, qMin, qMax); 
          else
            tri::UpdateColor<MyMesh>::PerFaceQualityRamp(m, qMin, qMax); 
          break;
  case 1: if(vertexQuality) 
            tri::UpdateColor<MyMesh>::PerVertexQualityGray(m, qMin, qMax); 
          else
            tri::UpdateColor<MyMesh>::PerFaceQualityGray(m, qMin, qMax); 
          break;
  case 2: if(vertexQuality) 
            tri::UpdateColor<MyMesh>::PerVertexQualityRamp(m, qMin, qMax); 
          else
            tri::UpdateColor<MyMesh>::PerFaceQualityRamp(m, qMin, qMax);
          break;
  default: assert(0);
  }
}
Beispiel #3
0
// Core Function doing the actual mesh processing.
bool FilterMeasurePlugin::applyFilter( const QString& filterName,MeshDocument& md,EnvWrap& env, vcg::CallBackPos * /*cb*/ )
{
    if (filterName == "Compute Topological Measures")
    {
        CMeshO &m=md.mm()->cm;
        tri::Allocator<CMeshO>::CompactFaceVector(m);
        tri::Allocator<CMeshO>::CompactVertexVector(m);
        md.mm()->updateDataMask(MeshModel::MM_FACEFACETOPO);
        md.mm()->updateDataMask(MeshModel::MM_VERTFACETOPO);

        int edgeManifNum = tri::Clean<CMeshO>::CountNonManifoldEdgeFF(m,true);
        int faceEdgeManif = tri::UpdateSelection<CMeshO>::FaceCount(m);
        tri::UpdateSelection<CMeshO>::VertexClear(m);
        tri::UpdateSelection<CMeshO>::FaceClear(m);

        int vertManifNum = tri::Clean<CMeshO>::CountNonManifoldVertexFF(m,true);
        tri::UpdateSelection<CMeshO>::FaceFromVertexLoose(m);
        int faceVertManif = tri::UpdateSelection<CMeshO>::FaceCount(m);
        int edgeNum=0,borderNum=0;
        tri::Clean<CMeshO>::CountEdges(m, edgeNum, borderNum);
        int holeNum;
        Log("V: %6i E: %6i F:%6i",m.vn,edgeNum,m.fn);
        int unrefVertNum = tri::Clean<CMeshO>::CountUnreferencedVertex(m);
        Log("Unreferenced Vertices %i",unrefVertNum);
        Log("Boundary Edges %i",borderNum);

        int connectedComponentsNum = tri::Clean<CMeshO>::CountConnectedComponents(m);
        Log("Mesh is composed by %i connected component(s)\n",connectedComponentsNum);

        if(edgeManifNum==0 && vertManifNum==0) {
            Log("Mesh is two-manifold ");
        }

        if(edgeManifNum!=0) Log("Mesh has %i non two manifold edges and %i faces are incident on these edges\n",edgeManifNum,faceEdgeManif);

        if(vertManifNum!=0) Log("Mesh has %i non two manifold vertexes and %i faces are incident on these vertices\n",vertManifNum,faceVertManif);

        // For Manifold meshes compute some other stuff
        if(vertManifNum==0 && edgeManifNum==0)
        {
            holeNum = tri::Clean<CMeshO>::CountHoles(m);
            Log("Mesh has %i holes",holeNum);

            int genus = tri::Clean<CMeshO>::MeshGenus(m.vn-unrefVertNum, edgeNum, m.fn, holeNum, connectedComponentsNum);
            Log("Genus is %i",genus);
        }
        else
        {
            Log("Mesh has a undefined number of holes (non 2-manifold mesh)");
            Log("Genus is undefined (non 2-manifold mesh)");
        }

        return true;
    }

    /************************************************************/
    if (filterName == "Compute Topological Measures for Quad Meshes")
    {
        CMeshO &m=md.mm()->cm;
        md.mm()->updateDataMask(MeshModel::MM_FACEFACETOPO);
        md.mm()->updateDataMask(MeshModel::MM_FACEQUALITY);

        if (! tri::Clean<CMeshO>::IsFFAdjacencyConsistent(m)) {
            this->errorMessage = "Error: mesh has a not consistent FF adjacency";
            return false;
        }
        if (! tri::Clean<CMeshO>::HasConsistentPerFaceFauxFlag(m)) {

            this->errorMessage = "QuadMesh problem: mesh has a not consistent FauxEdge tagging";
            return false;
        }

        int nQuads = tri::Clean<CMeshO>::CountBitQuads(m);
        int nTris = tri::Clean<CMeshO>::CountBitTris(m);
        int nPolys = tri::Clean<CMeshO>::CountBitPolygons(m);
        int nLargePolys = tri::Clean<CMeshO>::CountBitLargePolygons(m);
        if(nLargePolys>0) nQuads=0;

        Log("Mesh has %8i triangles \n",nTris);
        Log("         %8i quads \n",nQuads);
        Log("         %8i polygons \n",nPolys);
        Log("         %8i large polygons (with internal faux vertexes)",nLargePolys);

        if (! tri::Clean<CMeshO>::IsBitTriQuadOnly(m)) {
            this->errorMessage = "QuadMesh problem: the mesh is not TriQuadOnly";
            return false;
        }

        //
        //   i
        //
        //
        //   i+1     i+2
        tri::UpdateFlags<CMeshO>::FaceClearV(m);
        Distribution<float> AngleD; // angle distribution
        Distribution<float> RatioD; // ratio distribution
        tri::UpdateFlags<CMeshO>::FaceClearV(m);
        for(CMeshO::FaceIterator fi=m.face.begin(); fi!=m.face.end(); ++fi)
            if(!fi->IsV())
            {
                fi->SetV();
                // Collect the vertices
                Point3f qv[4];
                bool quadFound=false;
                for(int i=0; i<3; ++i)
                {
                    if((*fi).IsF(i) && !(*fi).IsF((i+1)%3) && !(*fi).IsF((i+2)%3) )
                    {
                        qv[0] = fi->V0(i)->P(),
                                qv[1] = fi->FFp(i)->V2( fi->FFi(i) )->P(),
                                        qv[2] = fi->V1(i)->P(),
                                                qv[3] = fi->V2(i)->P();
                        quadFound=true;
                    }
                }
                assert(quadFound);
                for(int i=0; i<4; ++i)
                    AngleD.Add(fabs(90-math::ToDeg(Angle(qv[(i+0)%4] - qv[(i+1)%4], qv[(i+2)%4] - qv[(i+1)%4]))));
                float edgeLen[4];

                for(int i=0; i<4; ++i)
                    edgeLen[i]=Distance(qv[(i+0)%4],qv[(i+1)%4]);
                std::sort(edgeLen,edgeLen+4);
                RatioD.Add(edgeLen[0]/edgeLen[3]);
            }

        Log("Right Angle Discrepancy  Avg %4.3f Min %4.3f Max %4.3f StdDev %4.3f Percentile 0.05 %4.3f percentile 95 %4.3f",
            AngleD.Avg(), AngleD.Min(), AngleD.Max(),AngleD.StandardDeviation(),AngleD.Percentile(0.05),AngleD.Percentile(0.95));

        Log("Quad Ratio   Avg %4.3f Min %4.3f Max %4.3f", RatioD.Avg(), RatioD.Min(), RatioD.Max());
        return true;
    }
    /************************************************************/
    if(filterName == "Compute Geometric Measures")
    {
        CMeshO &m=md.mm()->cm;
        tri::Inertia<CMeshO> I(m);
        float Area = tri::Stat<CMeshO>::ComputeMeshArea(m);
        float Volume = I.Mass();
        Log("Mesh Bounding Box Size %f %f %f", m.bbox.DimX(), m.bbox.DimY(), m.bbox.DimZ());
        Log("Mesh Bounding Box Diag %f ", m.bbox.Diag());
        Log("Mesh Volume  is %f", Volume);
        Log("Mesh Surface is %f", Area);
        Point3f bc=tri::Stat<CMeshO>::ComputeShellBarycenter(m);
        Log("Thin shell barycenter  %9.6f  %9.6f  %9.6f",bc[0],bc[1],bc[2]);

        if(Volume<=0) Log("Mesh is not 'solid', no information on barycenter and inertia tensor.");
        else
        {
            Log("Center of Mass  is %f %f %f", I.CenterOfMass()[0], I.CenterOfMass()[1], I.CenterOfMass()[2]);

            Matrix33f IT;
            I.InertiaTensor(IT);
            Log("Inertia Tensor is :");
            Log("    | %9.6f  %9.6f  %9.6f |",IT[0][0],IT[0][1],IT[0][2]);
            Log("    | %9.6f  %9.6f  %9.6f |",IT[1][0],IT[1][1],IT[1][2]);
            Log("    | %9.6f  %9.6f  %9.6f |",IT[2][0],IT[2][1],IT[2][2]);

            Matrix33f PCA;
            Point3f pcav;
            I.InertiaTensorEigen(PCA,pcav);
            Log("Principal axes are :");
            Log("    | %9.6f  %9.6f  %9.6f |",PCA[0][0],PCA[0][1],PCA[0][2]);
            Log("    | %9.6f  %9.6f  %9.6f |",PCA[1][0],PCA[1][1],PCA[1][2]);
            Log("    | %9.6f  %9.6f  %9.6f |",PCA[2][0],PCA[2][1],PCA[2][2]);

            Log("axis momenta are :");
            Log("    | %9.6f  %9.6f  %9.6f |",pcav[0],pcav[1],pcav[2]);
        }
        return true;
    }
    /************************************************************/
    if((filterName == "Per Vertex Quality Stat") || (filterName == "Per Face Quality Stat") )
    {
        CMeshO &m=md.mm()->cm;
        Distribution<float> DD;
        if(filterName == "Per Vertex Quality Stat")
            tri::Stat<CMeshO>::ComputePerVertexQualityDistribution(m, DD, false);
        else
            tri::Stat<CMeshO>::ComputePerFaceQualityDistribution(m, DD, false);

        Log("   Min %f Max %f",DD.Min(),DD.Max());
        Log("   Avg %f Med %f",DD.Avg(),DD.Percentile(0.5f));
        Log("   StdDev		%f",DD.StandardDeviation());
        Log("   Variance  %f",DD.Variance());
        return true;
    }

    if((filterName == "Per Vertex Quality Histogram") || (filterName == "Per Face Quality Histogram") )
    {
        CMeshO &m=md.mm()->cm;
        float RangeMin = env.evalFloat("HistMin");
        float RangeMax = env.evalFloat("HistMax");
        int binNum     = env.evalInt("binNum");

        Histogramf H;
        H.SetRange(RangeMin,RangeMax,binNum);
        if(filterName == "Per Vertex Quality Histogram")
        {
            for(CMeshO::VertexIterator vi = m.vert.begin(); vi != m.vert.end(); ++vi)
                if(!(*vi).IsD())
                {
                    assert(!math::IsNAN((*vi).Q()) && "You should never try to compute Histogram with Invalid Floating points numbers (NaN)");
                    H.Add((*vi).Q());
                }
        } else {
            for(CMeshO::FaceIterator fi = m.face.begin(); fi != m.face.end(); ++fi)
                if(!(*fi).IsD())
                {
                    assert(!math::IsNAN((*fi).Q()) && "You should never try to compute Histogram with Invalid Floating points numbers (NaN)");
                    H.Add((*fi).Q());
                }
        }
        Log("(         -inf..%15.7f) : %4.0f",RangeMin,H.BinCountInd(0));
        for(int i=1; i<=binNum; ++i)
            Log("[%15.7f..%15.7f) : %4.0f",H.BinLowerBound(i),H.BinUpperBound(i),H.BinCountInd(i));
        Log("[%15.7f..             +inf) : %4.0f",RangeMax,H.BinCountInd(binNum+1));
        return true;
    }
    return false;
}
bool ExtraMeshColorizePlugin::applyFilter(QAction *filter, MeshDocument &md, RichParameterSet & par, vcg::CallBackPos *cb){
 MeshModel &m=*(md.mm());
 switch(ID(filter)) {
  case CP_SATURATE_QUALITY:{
     m.updateDataMask(MeshModel::MM_VERTFACETOPO);
     tri::UpdateQuality<CMeshO>::VertexSaturate(m.cm, par.getFloat("gradientThr"));
     if(par.getBool("updateColor"))
     {
       Histogramf H;
       tri::Stat<CMeshO>::ComputePerVertexQualityHistogram(m.cm,H);
       m.updateDataMask(MeshModel::MM_VERTCOLOR);
       tri::UpdateColor<CMeshO>::VertexQualityRamp(m.cm,H.Percentile(0.1f),H.Percentile(0.9f));
     }
     Log("Saturated ");
   }
break;
  case CP_MAP_VQUALITY_INTO_COLOR:
     m.updateDataMask(MeshModel::MM_VERTCOLOR);
  case CP_CLAMP_QUALITY:
      {
      float RangeMin = par.getFloat("minVal");	
      float RangeMax = par.getFloat("maxVal");		
			bool usePerc = par.getDynamicFloat("perc")>0;
			
			Histogramf H;
			tri::Stat<CMeshO>::ComputePerVertexQualityHistogram(m.cm,H);

			float PercLo = H.Percentile(par.getDynamicFloat("perc")/100.f);
			float PercHi = H.Percentile(1.0-par.getDynamicFloat("perc")/100.f);
			
			if(par.getBool("zeroSym"))
				{
					RangeMin = min(RangeMin, -math::Abs(RangeMax));
					RangeMax = max(math::Abs(RangeMin), RangeMax);
					PercLo = min(PercLo, -math::Abs(PercHi));
					PercHi = max(math::Abs(PercLo), PercHi);
				}

      if(usePerc)
      {
        if(ID(filter)==CP_CLAMP_QUALITY) tri::UpdateQuality<CMeshO>::VertexClamp(m.cm,PercLo,PercHi);
                                    else tri::UpdateColor<CMeshO>::VertexQualityRamp(m.cm,PercLo,PercHi);
        Log("Quality Range: %f %f; Used (%f %f) percentile (%f %f) ",H.MinV(),H.MaxV(),PercLo,PercHi,par.getDynamicFloat("perc"),100-par.getDynamicFloat("perc"));
      } else {
        if(ID(filter)==CP_CLAMP_QUALITY) tri::UpdateQuality<CMeshO>::VertexClamp(m.cm,RangeMin,RangeMax);
                                    else tri::UpdateColor<CMeshO>::VertexQualityRamp(m.cm,RangeMin,RangeMax);
        Log("Quality Range: %f %f; Used (%f %f)",H.MinV(),H.MaxV(),RangeMin,RangeMax);
      }
      break;
    }
   case CP_MAP_FQUALITY_INTO_COLOR: {
       m.updateDataMask(MeshModel::MM_FACECOLOR);
       float RangeMin = par.getFloat("minVal");
       float RangeMax = par.getFloat("maxVal");
       float perc = par.getDynamicFloat("perc");

       Histogramf H;
       tri::Stat<CMeshO>::ComputePerFaceQualityHistogram(m.cm,H);
       float PercLo = H.Percentile(perc/100.f);
       float PercHi = H.Percentile(1.0-perc/100.f);

       // Make the range and percentile symmetric w.r.t. zero, so that
       // the value zero is always colored in yellow
       if(par.getBool("zeroSym")){
         RangeMin = min(RangeMin, -math::Abs(RangeMax));
         RangeMax = max(math::Abs(RangeMin), RangeMax);
         PercLo = min(PercLo, -math::Abs(PercHi));
         PercHi = max(math::Abs(PercLo), PercHi);
       }

       tri::UpdateColor<CMeshO>::FaceQualityRamp(m.cm,PercLo,PercHi);
       Log("Quality Range: %f %f; Used (%f %f) percentile (%f %f) ",
           H.MinV(), H.MaxV(), PercLo, PercHi, perc, 100-perc);
       break;
   }

  case CP_DISCRETE_CURVATURE:
    {
      m.updateDataMask(MeshModel::MM_FACEFACETOPO | MeshModel::MM_VERTCURV);
      m.updateDataMask(MeshModel::MM_VERTCOLOR | MeshModel::MM_VERTQUALITY);
      tri::UpdateFlags<CMeshO>::FaceBorderFromFF(m.cm);

      if ( tri::Clean<CMeshO>::CountNonManifoldEdgeFF(m.cm) > 0) {
				errorMessage = "Mesh has some not 2-manifold faces, Curvature computation requires manifoldness"; // text
				return false; // can't continue, mesh can't be processed
			}
			
			int delvert=tri::Clean<CMeshO>::RemoveUnreferencedVertex(m.cm);
			if(delvert) Log("Pre-Curvature Cleaning: Removed %d unreferenced vertices",delvert);
			tri::Allocator<CMeshO>::CompactVertexVector(m.cm);
			tri::UpdateCurvature<CMeshO>::MeanAndGaussian(m.cm);
      int curvType = par.getEnum("CurvatureType");
			
			switch(curvType){ 
          case 0: tri::UpdateQuality<CMeshO>::VertexFromMeanCurvature(m.cm);        Log( "Computed Mean Curvature");      break;
			    case 1: tri::UpdateQuality<CMeshO>::VertexFromGaussianCurvature(m.cm);    Log( "Computed Gaussian Curvature"); break;
          case 2: tri::UpdateQuality<CMeshO>::VertexFromRMSCurvature(m.cm);         Log( "Computed RMS Curvature"); break;
          case 3: tri::UpdateQuality<CMeshO>::VertexFromAbsoluteCurvature(m.cm);    Log( "Computed ABS Curvature"); break;
					default : assert(0);
      }      
      
      Histogramf H;
      tri::Stat<CMeshO>::ComputePerVertexQualityHistogram(m.cm,H);
      tri::UpdateColor<CMeshO>::VertexQualityRamp(m.cm,H.Percentile(0.1f),H.Percentile(0.9f));
      Log( "Curvature Range: %f %f (Used 90 percentile %f %f) ",H.MinV(),H.MaxV(),H.Percentile(0.1f),H.Percentile(0.9f));
    break;
    }  
   case CP_TRIANGLE_QUALITY:
   {
     m.updateDataMask(MeshModel::MM_FACECOLOR | MeshModel::MM_FACEQUALITY);
     CMeshO::FaceIterator fi;
     Distribution<float> distrib;
     float minV = 0;
     float maxV = 1.0;
     int metric = par.getEnum("Metric");
     if(metric ==4 || metric ==5 )
     {
       if(!m.hasDataMask(MeshModel::MM_VERTTEXCOORD) && !m.hasDataMask(MeshModel::MM_WEDGTEXCOORD))
       {
         this->errorMessage = "This metric need Texture Coordinate";
         return false;
       }
     }
     switch(metric){

       case 0: { //area / max edge
         minV = 0;
         maxV = sqrt(3.0f)/2.0f;
         for(fi=m.cm.face.begin();fi!=m.cm.face.end();++fi) if(!(*fi).IsD())
             (*fi).Q() = vcg::Quality((*fi).P(0), (*fi).P(1),(*fi).P(2));
       } break;

       case 1: { //inradius / circumradius
         for(fi=m.cm.face.begin();fi!=m.cm.face.end();++fi) if(!(*fi).IsD())
             (*fi).Q() = vcg::QualityRadii((*fi).P(0), (*fi).P(1), (*fi).P(2));
       } break;

       case 2: { //mean ratio
         for(fi=m.cm.face.begin();fi!=m.cm.face.end();++fi) if(!(*fi).IsD())
             (*fi).Q() = vcg::QualityMeanRatio((*fi).P(0), (*fi).P(1), (*fi).P(2));
       } break;

       case 3: { // AREA
         for(fi=m.cm.face.begin();fi!=m.cm.face.end();++fi) if(!(*fi).IsD())
           (*fi).Q() = vcg::DoubleArea((*fi))*0.5f;
         tri::Stat<CMeshO>::ComputePerFaceQualityMinMax(m.cm,minV,maxV);
       } break;

       case 4: { //TEXTURE Angle Distortion
         if(m.hasDataMask(MeshModel::MM_WEDGTEXCOORD))
         {
           for(fi=m.cm.face.begin();fi!=m.cm.face.end();++fi) if(!(*fi).IsD())
             (*fi).Q() = Distortion<CMeshO,true>::AngleDistortion(&*fi);
         } else {
           for(fi=m.cm.face.begin();fi!=m.cm.face.end();++fi) if(!(*fi).IsD())
             (*fi).Q() = Distortion<CMeshO,false>::AngleDistortion(&*fi);
         }
         tri::Stat<CMeshO>::ComputePerFaceQualityDistribution(m.cm,distrib);
         minV = distrib.Percentile(0.05);
         maxV = distrib.Percentile(0.95);
       } break;

       case 5: { //TEXTURE Area Distortion
         float areaScaleVal, edgeScaleVal;
         if(m.hasDataMask(MeshModel::MM_WEDGTEXCOORD))
         {
           Distortion<CMeshO,true>::MeshScalingFactor(m.cm, areaScaleVal,edgeScaleVal);
           for(fi=m.cm.face.begin();fi!=m.cm.face.end();++fi) if(!(*fi).IsD())
             (*fi).Q() = Distortion<CMeshO,true>::AreaDistortion(&*fi,areaScaleVal);
         } else {
           Distortion<CMeshO,false>::MeshScalingFactor(m.cm, areaScaleVal,edgeScaleVal);
           for(fi=m.cm.face.begin();fi!=m.cm.face.end();++fi) if(!(*fi).IsD())
             (*fi).Q() = Distortion<CMeshO,false>::AreaDistortion(&*fi,areaScaleVal);

         }
         tri::Stat<CMeshO>::ComputePerFaceQualityDistribution(m.cm,distrib);
         minV = distrib.Percentile(0.05);
         maxV = distrib.Percentile(0.95);
       } break;

       default: assert(0);
     }
     tri::UpdateColor<CMeshO>::FaceQualityRamp(m.cm,minV,maxV,false);
     break;
   }


  case CP_RANDOM_CONNECTED_COMPONENT:
   m.updateDataMask(MeshModel::MM_FACEFACETOPO);
   m.updateDataMask(MeshModel::MM_FACEMARK | MeshModel::MM_FACECOLOR);
   vcg::tri::UpdateColor<CMeshO>::FaceRandomConnectedComponent(m.cm);
   break;

 case CP_RANDOM_FACE:
     m.updateDataMask(MeshModel::MM_FACEFACETOPO);
     m.updateDataMask(MeshModel::MM_FACEMARK | MeshModel::MM_FACECOLOR);
    vcg::tri::UpdateColor<CMeshO>::MultiFaceRandom(m.cm);
    break;

  case CP_VERTEX_SMOOTH:
		{
		int iteration = par.getInt("iteration");
		tri::Smooth<CMeshO>::VertexColorLaplacian(m.cm,iteration,false,cb);
		}
		break;
  case CP_FACE_SMOOTH:
		{
    m.updateDataMask(MeshModel::MM_FACEFACETOPO);
		int iteration = par.getInt("iteration");
		tri::Smooth<CMeshO>::FaceColorLaplacian(m.cm,iteration,false,cb);
		}
		break;
  case CP_FACE_TO_VERTEX:
     m.updateDataMask(MeshModel::MM_VERTCOLOR);
     tri::UpdateColor<CMeshO>::VertexFromFace(m.cm);
		break;
	 case CP_VERTEX_TO_FACE:
     m.updateDataMask(MeshModel::MM_FACECOLOR);
     tri::UpdateColor<CMeshO>::FaceFromVertex(m.cm);
		 break;
  case CP_TEXTURE_TO_VERTEX:
		{
      m.updateDataMask(MeshModel::MM_VERTCOLOR);
      if(!HasPerWedgeTexCoord(m.cm)) break;
			CMeshO::FaceIterator fi; 
			QImage tex(m.cm.textures[0].c_str());
			for(fi=m.cm.face.begin();fi!=m.cm.face.end();++fi) if(!(*fi).IsD()) 
			{
				for (int i=0; i<3; i++)
				{
          // note the trick for getting only the fractional part of the uv with the correct wrapping (e.g. 1.5 -> 0.5 and -0.3 -> 0.7)
          vcg::Point2f newcoord((*fi).WT(i).P().X()-floor((*fi).WT(i).P().X()),(*fi).WT(i).P().Y()-floor((*fi).WT(i).P().Y()));
          QRgb val = tex.pixel(newcoord[0]*tex.width(),(1-newcoord[1])*tex.height()-1);
					(*fi).V(i)->C().SetRGB(qRed(val),qGreen(val),qBlue(val));
				}
			}
	    }
		
		break;
 }
	return true;
}
Beispiel #5
0
// Core Function doing the actual mesh processing.
bool FilterMeasurePlugin::applyFilter(QAction *filter, MeshDocument &md, RichParameterSet & par, vcg::CallBackPos */*cb*/)
{
	CMeshO::FaceIterator fi;

	switch(ID(filter))
  {
		case FP_MEASURE_TOPO : 
			{
				CMeshO &m=md.mm()->cm;	
				md.mm()->updateDataMask(MeshModel::MM_FACEFACETOPO);				
				md.mm()->updateDataMask(MeshModel::MM_VERTFACETOPO);				
        tri::Allocator<CMeshO>::CompactFaceVector(m);
        tri::Allocator<CMeshO>::CompactVertexVector(m);
        tri::UpdateTopology<CMeshO>::FaceFace(m);
				tri::UpdateTopology<CMeshO>::VertexFace(m);
				
        int edgeManif = tri::Clean<CMeshO>::CountNonManifoldEdgeFF(m,true);
        int faceEdgeManif = tri::UpdateSelection<CMeshO>::CountFace(m);
        tri::UpdateSelection<CMeshO>::ClearVertex(m);
        tri::UpdateSelection<CMeshO>::ClearFace(m);

        int vertManif = tri::Clean<CMeshO>::CountNonManifoldVertexFF(m,true);
        tri::UpdateSelection<CMeshO>::FaceFromVertexLoose(m);
        int faceVertManif = tri::UpdateSelection<CMeshO>::CountFace(m);
				int edgeNum=0,borderNum=0;
				tri::Clean<CMeshO>::CountEdges(m, edgeNum, borderNum);
				int holeNum;
				Log("V: %6i E: %6i F:%6i",m.vn,edgeNum,m.fn);
				Log("Boundary Edges %i",borderNum); 
				
        int connectedComponentsNum = tri::Clean<CMeshO>::CountConnectedComponents(m);
				Log("Mesh is composed by %i connected component(s)",connectedComponentsNum);
				
        if(edgeManif==0 && vertManif==0)
					Log("Mesh has is two-manifold ");
					
        if(edgeManif!=0) Log("Mesh has %i non two manifold edges and %i faces are incident on these edges\n",edgeManif,faceEdgeManif);

        if(vertManif!=0) Log("Mesh has %i non two manifold vertexes and %i faces are incident on these vertices\n",vertManif,faceVertManif);
				
				// For Manifold meshes compute some other stuff
				if(vertManif && edgeManif)
				{
					holeNum = tri::Clean<CMeshO>::CountHoles(m);
					Log("Mesh has %i holes",holeNum);
					
					int genus = tri::Clean<CMeshO>::MeshGenus(m, holeNum, connectedComponentsNum, edgeNum);
					Log("Genus is %i",genus);
				}
			}
		break;
		/************************************************************/ 
		case FP_MEASURE_TOPO_QUAD : 
			{
					CMeshO &m=md.mm()->cm;	
					md.mm()->updateDataMask(MeshModel::MM_FACEFACETOPO);				
					md.mm()->updateDataMask(MeshModel::MM_FACEQUALITY);				

					if (! tri::Clean<CMeshO>::IsFFAdjacencyConsistent(m)){
											Log("Error: mesh has a not consistent FF adjacency");
											return false;
										}
					if (! tri::Clean<CMeshO>::HasConsistentPerFaceFauxFlag(m)) {
											Log("Warning: mesh has a not consistent FauxEdge tagging");
											return false;
										}
					if (! tri::Clean<CMeshO>::IsBitTriQuadOnly(m)) {
											Log("Warning: IsBitTriQuadOnly");
											//return false;
										}
					//										if (! tri::Clean<CMeshO>::HasConsistentEdges(m)) lastErrorDetected |= NOT_EDGES_CONST;
					int nsinglets= tri::BitQuadOptimization< tri::BitQuad<CMeshO> >::MarkSinglets(m);
					if ( nsinglets  )  {
											Log("Warning: MarkSinglets");
											//return false;
										}
					
					if (! tri::BitQuad<CMeshO>::HasConsistentValencyFlag(m))
					 {
											Log("Warning: HasConsistentValencyFlag");
											//return false;
										}
				
			int nQuads = tri::Clean<CMeshO>::CountBitQuads(m);
			int nTris = tri::Clean<CMeshO>::CountBitTris(m);
			int nPolys = tri::Clean<CMeshO>::CountBitPolygons(m);
			
			Log("Mesh has %i tri %i quad and %i polig",nTris,nQuads,nPolys);

			}
			break;
		/************************************************************/ 
		case FP_MEASURE_GEOM : 
			{
				CMeshO &m=md.mm()->cm;
				tri::Inertia<CMeshO> I;
				I.Compute(m);
				
				tri::UpdateBounding<CMeshO>::Box(m); 
				float Area = tri::Stat<CMeshO>::ComputeMeshArea(m);
				float Volume = I.Mass(); 
				Log("Mesh Bounding Box Size %f %f %f", m.bbox.DimX(), m.bbox.DimY(), m.bbox.DimZ());			
				Log("Mesh Bounding Box Diag %f ", m.bbox.Diag());			
				Log("Mesh Volume  is %f", Volume);			
				Log("Center of Mass  is %f %f %f", I.CenterOfMass()[0], I.CenterOfMass()[1], I.CenterOfMass()[2]);		
				
				
				Matrix33f IT;
				I.InertiaTensor(IT);
				Log("Inertia Tensor is :");		
        Log("    | %9.6f  %9.6f  %9.6f |",IT[0][0],IT[0][1],IT[0][2]);
        Log("    | %9.6f  %9.6f  %9.6f |",IT[1][0],IT[1][1],IT[1][2]);
        Log("    | %9.6f  %9.6f  %9.6f |",IT[2][0],IT[2][1],IT[2][2]);
				
				Log("Mesh Surface is %f", Area);
				
        Matrix44f PCA;
        Point4f pcav;
        I.InertiaTensorEigen(PCA,pcav);
        Log("Principal axes are :");
        Log("    | %9.6f  %9.6f  %9.6f |",PCA[0][0],PCA[0][1],PCA[0][2]);
        Log("    | %9.6f  %9.6f  %9.6f |",PCA[1][0],PCA[1][1],PCA[1][2]);
        Log("    | %9.6f  %9.6f  %9.6f |",PCA[2][0],PCA[2][1],PCA[2][2]);

       // Point3f ax0(PCA[0][0],PCA[0][1],PCA[0][2]);
       // Point3f ax1(PCA[1][0],PCA[1][1],PCA[1][2]);
       // Point3f ax2(PCA[2][0],PCA[2][1],PCA[2][2]);

       // Log("ax0*ax1 %f (len ax0 %f) ",ax0*ax1, Norm(ax0));
       // Log("ax1*ax2 %f (len ax1 %f) ",ax1*ax2, Norm(ax1));
       // Log("ax0*ax2 %f (len ax2 %f) ",ax0*ax2, Norm(ax2));

        Log("axis momenta are :");
        Log("    | %9.6f  %9.6f  %9.6f |",pcav[0],pcav[1],pcav[2]);

			}
		break;
        /************************************************************/
        case FP_MEASURE_VERTEX_QUALITY_DISTRIBUTION :
  case FP_MEASURE_FACE_QUALITY_DISTRIBUTION :
			{
				CMeshO &m=md.mm()->cm;
				Distribution<float> DD;
        if(ID(filter)==FP_MEASURE_VERTEX_QUALITY_DISTRIBUTION)
          tri::Stat<CMeshO>::ComputePerVertexQualityDistribution(m, DD, false);
        else
          tri::Stat<CMeshO>::ComputePerFaceQualityDistribution(m, DD, false);
				
				Log("   Min %f Max %f",DD.Min(),DD.Max());		
				Log("   Avg %f Med %f",DD.Avg(),DD.Percentile(0.5f));		
				Log("   StdDev		%f",DD.StandardDeviation());		
				Log("   Variance  %f",DD.Variance());						
			}
		break;

		case FP_MEASURE_GAUSSCURV : 
			{
				CMeshO &m=md.mm()->cm;
				SimpleTempData<CMeshO::VertContainer, float> TDArea(m.vert,0.0f);
				SimpleTempData<CMeshO::VertContainer, float> TDAngleSum(m.vert,0);

				tri::UpdateQuality<CMeshO>::VertexConstant(m,0);
				float angle[3];
				CMeshO::FaceIterator fi;
				for(fi=m.face.begin(); fi!= m.face.end(); ++fi)
					{
						angle[0] = math::Abs(Angle(	(*fi).P(1)-(*fi).P(0),(*fi).P(2)-(*fi).P(0) ));
						angle[1] = math::Abs(Angle(	(*fi).P(0)-(*fi).P(1),(*fi).P(2)-(*fi).P(1) ));
						angle[2] = M_PI-(angle[0]+angle[1]);

						float area= DoubleArea(*fi)/6.0f;
							for(int i=0;i<3;++i)
							{
								TDArea[(*fi).V(i)]+=area;
								TDAngleSum[(*fi).V(i)]+=angle[i];
							}
					}
				CMeshO::VertexIterator vi;
				float totalSum=0;
				for(vi=m.vert.begin(); vi!= m.vert.end(); ++vi)
					{
						(*vi).Q() = (2.0*M_PI-TDAngleSum[vi]);//*TDArea[vi];
						//if((*vi).IsS()) 
						totalSum += (*vi).Q(); 
					}
				Log("integrated is %f (%f*pi)", totalSum,totalSum/M_PI);												
			} break;
  case FP_MEASURE_VERTEX_QUALITY_HISTOGRAM:
  case FP_MEASURE_FACE_QUALITY_HISTOGRAM:
            {
            CMeshO &m=md.mm()->cm;
            float RangeMin = par.getFloat("minVal");
            float RangeMax = par.getFloat("maxVal");
            int binNum = par.getInt("binNum");


            Histogramf H;
            H.SetRange(RangeMin,RangeMax,binNum);
            if(ID(filter)==FP_MEASURE_VERTEX_QUALITY_DISTRIBUTION)
            {
              for(CMeshO::VertexIterator vi = m.vert.begin(); vi != m.vert.end(); ++vi)
                if(!(*vi).IsD())
                {
                assert(!math::IsNAN((*vi).Q()) && "You should never try to compute Histogram with Invalid Floating points numbers (NaN)");
                H.Add((*vi).Q());
              }
            }else{
              for(CMeshO::FaceIterator fi = m.face.begin(); fi != m.face.end(); ++fi)
                if(!(*fi).IsD())
                {
                assert(!math::IsNAN((*fi).Q()) && "You should never try to compute Histogram with Invalid Floating points numbers (NaN)");
                H.Add((*fi).Q());
              }
            }
            Log("(         -inf..%15.7f) : %i",RangeMin,H.BinCountInd(0));
            for(int i=1;i<=binNum;++i)
              Log("[%15.7f..%15.7f) : %i",H.BinLowerBound(i),H.BinUpperBound(i),H.BinCountInd(i));

            Log("[%15.7f..             +inf) : %i",RangeMax,H.BinCountInd(binNum+1));
        } break;

          default: assert(0);
  }
	return true;
}