Create openMVS.build

vcglib/apps/sample/trimesh_sampling/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.13)
+project(trimesh_sampling)
+
+if (VCG_HEADER_ONLY)
+	set(SOURCES
+		trimesh_sampling.cpp)
+endif()
+
+add_executable(trimesh_sampling
+	${SOURCES})
+
+target_link_libraries(
+	trimesh_sampling
+	PUBLIC
+		vcglib
+	)

vcglib/apps/sample/trimesh_sampling/trimesh_sampling.cpp

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+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2016                                           \/)\/    *
+* 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<wrap/io_trimesh/import_off.h>
+#include<wrap/io_trimesh/export_off.h>
+
+#include<vcg/complex/algorithms/point_sampling.h>
+#include<vcg/complex/algorithms/create/platonic.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::BitFlags  >{};
+class MyFace    : public Face< MyUsedTypes, face::FFAdj,  face::Normal3f, face::VertexRef, face::BitFlags > {};
+class MyEdge    : public Edge<MyUsedTypes>{};
+class MyMesh    : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge>  > {};
+
+int main( int argc, char **argv )
+{
+  if(argc<2)
+  {
+    printf("Usage trimesh_base <meshfilename.obj> radius\n");
+    return -1;
+  }
+
+  MyMesh m;
+
+  if(tri::io::ImporterOFF<MyMesh>::Open(m,argv[1])!=0)
+  {
+    printf("Error reading file  %s\n",argv[1]);
+    exit(0);
+  }
+  tri::SurfaceSampling<MyMesh,tri::TrivialSampler<MyMesh> >::SamplingRandomGenerator().initialize(time(0));
+
+  //----------------------------------------------------------------------
+  // Basic Sample of a mesh surface
+  // Build a point cloud with points with a plain poisson disk distribution
+
+  int t0=clock();
+  vector<Point3f> pointVec;
+  float rad=0;
+  if(argc>2) rad=atof(argv[2]);
+  int sampleNum=rad?0:1000;
+  tri::PoissonSampling<MyMesh>(m,pointVec,sampleNum,rad);
+  int t1=clock();
+  MyMesh BasicPoissonMesh;
+  tri::BuildMeshFromCoordVector(BasicPoissonMesh,pointVec);
+
+  tri::io::ExporterOFF<MyMesh>::Save(BasicPoissonMesh,"BasicPoissonMesh.off");
+  printf("Computed a basic poisson disk distribution of %i vertices radius is %6.3f in %5.2f sec\n",BasicPoissonMesh.VN(),rad,float(t1-t0)/CLOCKS_PER_SEC);
+
+  //----------------------------------------------------------------------
+  // Advanced Sample
+  // Make a feature dependent Poisson Disk sampling
+  MyMesh MontecarloSurfaceMesh;
+  MyMesh MontecarloEdgeMesh;
+  MyMesh PoissonEdgeMesh;
+  MyMesh PoissonMesh;
+
+  std::vector<Point3f> sampleVec;
+  tri::TrivialSampler<MyMesh> mps(sampleVec);
+  tri::UpdateTopology<MyMesh>::FaceFace(m);
+  tri::UpdateNormal<MyMesh>::PerFace(m);
+  tri::UpdateFlags<MyMesh>::FaceEdgeSelCrease(m,math::ToRad(40.0f));
+  tri::SurfaceSampling<MyMesh,tri::TrivialSampler<MyMesh> >::EdgeMontecarlo(m,mps,10000,false);
+  tri::BuildMeshFromCoordVector(MontecarloEdgeMesh,sampleVec);
+  tri::io::ExporterOFF<MyMesh>::Save(MontecarloEdgeMesh,"MontecarloEdgeMesh.off");
+
+  sampleVec.clear();
+  tri::SurfaceSampling<MyMesh,tri::TrivialSampler<MyMesh> >::VertexCrease(m, mps);
+  tri::BuildMeshFromCoordVector(PoissonEdgeMesh,sampleVec);
+  tri::io::ExporterOFF<MyMesh>::Save(PoissonEdgeMesh,"VertexCreaseMesh.off");
+
+  tri::SurfaceSampling<MyMesh,tri::TrivialSampler<MyMesh> >::PoissonDiskParam pp;
+  pp.preGenMesh = &PoissonEdgeMesh;
+  pp.preGenFlag=true;
+  sampleVec.clear();
+  tri::SurfaceSampling<MyMesh,tri::TrivialSampler<MyMesh> >::PoissonDiskPruning(mps, MontecarloEdgeMesh, rad, pp);
+  tri::BuildMeshFromCoordVector(PoissonEdgeMesh,sampleVec);
+  tri::io::ExporterOFF<MyMesh>::Save(PoissonEdgeMesh,"PoissonEdgeMesh.off");
+
+  sampleVec.clear();
+  tri::SurfaceSampling<MyMesh,tri::TrivialSampler<MyMesh> >::Montecarlo(m,mps,50000);
+  tri::BuildMeshFromCoordVector(MontecarloSurfaceMesh,sampleVec);
+  tri::io::ExporterOFF<MyMesh>::Save(MontecarloSurfaceMesh,"MontecarloSurfaceMesh.off");
+
+  pp.preGenMesh = &PoissonEdgeMesh;
+  pp.preGenFlag=true;
+  sampleVec.clear();
+  tri::SurfaceSampling<MyMesh,tri::TrivialSampler<MyMesh> >::PoissonDiskPruning(mps, MontecarloSurfaceMesh, rad, pp);
+  tri::BuildMeshFromCoordVector(PoissonMesh,sampleVec);
+  tri::io::ExporterOFF<MyMesh>::Save(PoissonMesh,"PoissonMesh.off");
+  printf("Computed a feature aware poisson disk distribution of %i vertices radius is %6.3f\n",PoissonMesh.VN(),rad);
+
+  return 0;
+}

vcglib/apps/sample/trimesh_sampling/trimesh_sampling.pro

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+include(../common.pri)
+TARGET = trimesh_sampling
+SOURCES += trimesh_sampling.cpp
+
+# Awful..
+win32{
+  DEFINES += NOMINMAX
+}