vcglib/apps/sample/edgemesh_sampling/edgemesh_sampling.cpp

95 lines
4.3 KiB
C++

/****************************************************************************
* 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<wrap/io_trimesh/export_ply.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::VEAdj, vertex::BitFlags >{};
class MyFace : public Face< MyUsedTypes, face::FFAdj, face::Normal3f, face::VertexRef, face::BitFlags > {};
class MyEdge : public Edge<MyUsedTypes,edge::VertexRef, edge::VEAdj, edge::EEAdj, edge::BitFlags >{};
class MyMesh : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge> > {};
int main( int argc, char **argv )
{
if(argc<2)
{
printf("Usage edgemesh_sampling <meshfilename.off> radius\n");
return -1;
}
MyMesh m,e;
if(tri::io::ImporterOFF<MyMesh>::Open(m,argv[1])!=0)
{
printf("Error reading file %s\n",argv[1]);
exit(0);
}
printf("Input mesh has %i vert %i faces\n",m.vn,m.fn);
tri::UpdateTopology<MyMesh>::FaceFace(m);
tri::UpdateNormal<MyMesh>::PerVertexNormalizedPerFaceNormalized(m);
tri::UpdateFlags<MyMesh>::FaceFauxSignedCrease(m,math::ToRad(-40.f),math::ToRad(40.f ),false);
assert(tri::Clean<MyMesh>::IsFaceFauxConsistent(m));
tri::BuildFromNonFaux(m,e);
printf("Out mesh has %i vert %i edges\n",e.vn,e.en);
tri::UpdateTopology<MyMesh>::VertexEdge(e);
tri::Clean<MyMesh>::SelectNonManifoldVertexOnEdgeMesh(e);
printf("Selected vertices %i\n",tri::UpdateSelection<MyMesh>::VertexCount(e));
tri::Clean<MyMesh>::SplitSelectedVertexOnEdgeMesh(e);
printf("Out mesh has %i vert %i edges\n",e.vn,e.en);
tri::Clean<MyMesh>::SelectCreaseVertexOnEdgeMesh(e,math::ToRad(30.f));
printf("Selected vertices %i\n",tri::UpdateSelection<MyMesh>::VertexCount(e));
tri::Clean<MyMesh>::SplitSelectedVertexOnEdgeMesh(e);
printf("Out mesh has %i vert %i edges\n",e.vn,e.en);
tri::io::ExporterPLY<MyMesh>::Save(e,"out.ply", tri::io::Mask::IOM_EDGEINDEX);
std::vector<Point3f> sampleVec;
tri::TrivialSampler<MyMesh> ps(sampleVec);
tri::SurfaceSampling<MyMesh>::EdgeMeshUniform(e,ps,m.bbox.Diag()/90.0f);
MyMesh sampleMesh;
tri::BuildMeshFromCoordVector(sampleMesh,sampleVec);
tri::io::ExporterPLY<MyMesh>::Save(sampleMesh,"sampleMesh.ply");
return 0;
}