add vcglib

vcglib/apps/sample/trimesh_voronoiclustering/CMakeLists.txt

@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.13)
+project(trimesh_voronoiclustering)
+
+if (VCG_HEADER_ONLY)
+	set(SOURCES
+		trimesh_voronoiclustering.cpp
+		${VCG_INCLUDE_DIRS}/wrap/ply/plylib.cpp)
+endif()
+
+add_executable(trimesh_voronoiclustering
+	${SOURCES})
+
+target_link_libraries(
+	trimesh_voronoiclustering
+	PUBLIC
+		vcglib
+	)

vcglib/apps/sample/trimesh_voronoiclustering/trimesh_voronoiclustering.cpp

@@ -0,0 +1,81 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2009                                           \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* This program is free software; you can redistribute it and/or modify      *
+* it under the terms of the GNU General Public License as published by      *
+* the Free Software Foundation; either version 2 of the License, or         *
+* (at your option) any later version.                                       *
+*                                                                           *
+* This program is distributed in the hope that it will be useful,           *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of            *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
+* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+
+#include<vcg/complex/complex.h>
+#include<vcg/complex/algorithms/create/platonic.h>
+#include<wrap/io_trimesh/import_ply.h>
+#include<wrap/io_trimesh/export_ply.h>
+#include<vcg/complex/algorithms/point_sampling.h>
+#include<vcg/complex/algorithms/voronoi_processing.h>
+
+
+using namespace vcg;
+using namespace std;
+
+class MyEdge;
+class MyFace;
+class MyVertex;
+struct MyUsedTypes : public UsedTypes<	Use<MyVertex>   ::AsVertexType,
+                                        Use<MyEdge>     ::AsEdgeType,
+                                        Use<MyFace>     ::AsFaceType>{};
+
+class MyVertex  : public Vertex<MyUsedTypes,  vertex::Coord3f, vertex::Normal3f, vertex::VFAdj , vertex::Qualityf, vertex::Color4b, vertex::BitFlags  >{};
+class MyFace    : public Face< MyUsedTypes,   face::VertexRef, face::BitFlags, face::VFAdj > {};
+class MyEdge    : public Edge< MyUsedTypes>{};
+class MyMesh    : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge>  > {};
+
+
+
+int main( int argc, char **argv )
+{
+  MyMesh baseMesh, clusteredMesh;
+  if(argc < 4 )
+  {
+    printf("Usage trimesh_voronoiclustering mesh region_num iterNum\n");
+     return -1;
+  }
+  int seedNum = atoi(argv[2]);
+  int iterNum   = atoi(argv[3]);
+  printf("Reading %s and sampling %i \n",argv[1],seedNum);
+  int ret= tri::io::ImporterPLY<MyMesh>::Open(baseMesh,argv[1]);
+  if(ret!=0)
+  {
+    printf("Unable to open %s for '%s'\n",argv[1],tri::io::ImporterPLY<MyMesh>::ErrorMsg(ret));
+    return -1;
+  }
+
+  int randSeed=time(0);
+  tri::UpdateTopology<MyMesh>::VertexFace(baseMesh);
+  tri::TrivialPointerSampler<MyMesh> cs;
+  tri::SurfaceSampling<MyMesh, tri::TrivialPointerSampler<MyMesh> >::SamplingRandomGenerator().initialize(randSeed);
+  tri::SurfaceSampling<MyMesh, tri::TrivialPointerSampler<MyMesh> >::VertexUniform(baseMesh,cs,seedNum);
+  tri::VoronoiProcessingParameter vpp;
+  tri::EuclideanDistance<MyMesh> df;
+  tri::VoronoiProcessing<MyMesh>::VoronoiRelaxing(baseMesh, cs.sampleVec, iterNum, df, vpp);
+  tri::VoronoiProcessing<MyMesh>::TopologicalVertexColoring(baseMesh, cs.sampleVec);
+  tri::VoronoiProcessing<MyMesh>::ConvertDelaunayTriangulationToMesh(baseMesh,clusteredMesh,cs.sampleVec);
+
+  tri::io::ExporterPLY<MyMesh>::Save(baseMesh,"base.ply",tri::io::Mask::IOM_VERTCOLOR );
+  tri::io::ExporterPLY<MyMesh>::Save(clusteredMesh,"clustered.ply");
+  return 0;
+}

vcglib/apps/sample/trimesh_voronoiclustering/trimesh_voronoiclustering.pro

@@ -0,0 +1,3 @@
+include(../common.pri)
+TARGET = trimesh_voronoiclustering
+SOURCES += trimesh_voronoiclustering.cpp ../../../wrap/ply/plylib.cpp