120 lines
4.6 KiB
C++
120 lines
4.6 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004-2012 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/*! \file trimesh_normal.cpp
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\ingroup code_sample
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\brief An example of all the methods for computing normals over a mesh.
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*/
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#include<vcg/complex/complex.h>
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#include<wrap/io_trimesh/import.h>
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#include<wrap/io_trimesh/export.h>
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#include<vcg/complex/algorithms/clean.h>
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#include<vcg/complex/algorithms/isotropic_remeshing.h>
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using namespace vcg;
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using namespace std;
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class MyEdge;
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class MyFace;
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class MyVertex;
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struct MyUsedTypes : public UsedTypes< Use<MyVertex> ::AsVertexType,
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Use<MyEdge> ::AsEdgeType,
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Use<MyFace> ::AsFaceType>{};
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class MyVertex : public Vertex<MyUsedTypes, vertex::Coord3f, vertex::Normal3f, vertex::VFAdj, vertex::Qualityf, vertex::BitFlags, vertex::Mark>{};
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class MyFace : public Face< MyUsedTypes, face::Mark, face::VertexRef, face::VFAdj, face::FFAdj, face::Normal3f, face::BitFlags > {};
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class MyEdge : public Edge<MyUsedTypes>{};
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class MyMesh : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge> > {};
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int main( int argc, char **argv )
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{
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MyMesh original,toremesh;
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if(argc<2)
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{
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printf("Usage: trimesh_remesh <filename> [[targetLen (bbox perc)] [iterNum] [creaseAngle] [maxSurfDist (bbox perc)]]");
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exit(0);
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}
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if(tri::io::Importer<MyMesh>::Open(original,argv[1])!=0)
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{
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printf("Error reading file %s\n",argv[1]);
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exit(0);
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}
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float targetLenPerc=.2f;
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int iterNum=20;
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float creaseAngle = 30.f;
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float maxSurfDistPerc = 0.001f;
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if(argc>=3) targetLenPerc = atof(argv[2]);
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if(argc>=4) iterNum = atoi(argv[3]);
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if(argc>=5) creaseAngle = atof(argv[4]);
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if(argc>=6) maxSurfDistPerc = atof(argv[5]);
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// Mesh cleaning
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tri::Clean<MyMesh>::RemoveUnreferencedVertex(original);
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vcg::tri::Allocator<MyMesh>::CompactEveryVector(original);
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tri::UpdateNormal<MyMesh>::PerVertexNormalizedPerFaceNormalized(original);
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tri::UpdateBounding<MyMesh>::Box(original);
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vcg::tri::Append<MyMesh,MyMesh>::MeshCopy(toremesh,original);
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tri::UpdateNormal<MyMesh>::PerVertexNormalizedPerFaceNormalized(toremesh);
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tri::UpdateBounding<MyMesh>::Box(toremesh);
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tri::UpdateTopology<MyMesh>::FaceFace(toremesh);
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float lengthThr = targetLenPerc*(original.bbox.Diag()/100.f);
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float maxSurfDist = maxSurfDistPerc*(original.bbox.Diag()/100.f);
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printf("Length Thr: %8.3f ~ %4.2f %% on %5.3f\n",lengthThr,targetLenPerc,original.bbox.Diag());
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vcg::tri::IsotropicRemeshing<MyMesh>::Params params;
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params.SetTargetLen(lengthThr);
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params.SetFeatureAngleDeg(creaseAngle);
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params.iter=iterNum;
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if (maxSurfDistPerc != 0)
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{
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params.surfDistCheck = true;
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params.maxSurfDist = maxSurfDist;
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}
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else
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{
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params.surfDistCheck = false;
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}
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params.cleanFlag = true;
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params.userSelectedCreases = false;
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printf(" Input mesh %8i v %8i f\n",toremesh.VN(),toremesh.FN());
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vcg::tri::IsotropicRemeshing<MyMesh>::Do(toremesh, original, params);
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vcg::tri::io::ExporterPLY<MyMesh>::Save(toremesh, "remesh.ply");
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printf("Output mesh %8i v %8i f\n",toremesh.VN(),toremesh.FN());
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return 0;
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}
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