vcglib/apps/sample/trimesh_refine/trimesh_refine.cpp

143 lines
5.3 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 <vcg/complex/algorithms/refine.h>
#include <vcg/complex/algorithms/refine_loop.h>
#include <vcg/complex/algorithms/bitquad_creation.h>
// input output
#include <wrap/io_trimesh/import_ply.h>
#include <wrap/io_trimesh/export.h>
using namespace vcg;
using namespace std;
class MyEdge; // dummy prototype never used
class MyFace;
class MyVertex;
struct MyUsedTypes : public UsedTypes< Use<MyVertex>::AsVertexType,
Use<MyFace>::AsFaceType>{};
class MyVertex : public Vertex< MyUsedTypes, vertex::Coord3f, vertex::Normal3f, vertex::BitFlags >{};
class MyFace : public Face < MyUsedTypes, face::InfoOcf, face::FFAdjOcf, face::VertexRef, face::BitFlags > {};
class MyMesh : public vcg::tri::TriMesh< vector<MyVertex>, face::vector_ocf<MyFace> > {};
#define FLAT 0
#define LOOP 1
#define CATMULL 2
#define BUTTERFLY 3
#define ONE_QUAD_X_EDGE 4
int main(int argc, char **argv)
{
if(argc<4)
{
printf(
"\n PlyRefine (" __DATE__ ")\n"
" Visual Computing Group I.S.T.I. C.N.R.\n"
"Usage: PlyRefine filein.ply fileout.[ply|off|obj|...] ref_step [opt] \n"
"Commands: \n"
" Refinement rules:\n"
" -m use simple midpoint subdivision (default) \n"
" -b use butterfly subdivision scheme \n"
" -l use loop subdivision scheme \n"
" -o use one-quad-per-edge schema (*) \n"
" -c use Catmull-Clark (*) \n"
" -e# refine only if the the edge is longer than #(default 0.0)\n"
"Info:\n"
" (*) produces quad-only meshes, but updates topology only, \n"
" and leaves geometry unaffected \n"
);
exit(2);
}
int RefMode = FLAT ;
int i=4; int n_steps; float length=0;
while(i<argc)
{
if(argv[i][0]!='-')
{printf("Error unable to parse option '%s'\n",argv[i]); exit(5);}
switch(argv[i][1])
{
case 'm' : RefMode=FLAT; break;
case 'b' : RefMode=BUTTERFLY; break;
case 'l' : RefMode=LOOP; break;
case 'c' : RefMode=CATMULL; break;
case 'o' : RefMode=ONE_QUAD_X_EDGE; break;
case 'e' : length=(float)atof(argv[i]+2); break;
default : {printf("Error unable to parse option '%s'\n",argv[i]); exit(0);}
}
++i;
}
MyMesh m;
if(tri::io::ImporterPLY<MyMesh>::Open(m,argv[1])!=0) {
printf("Error reading file %s\n",argv[1]);
exit(1);
}
m.face.EnableFFAdjacency();
tri::UpdateTopology<MyMesh>::FaceFace(m);
tri::UpdateFlags<MyMesh>::FaceBorderFromFF(m);
tri::UpdateNormal<MyMesh>::PerVertexNormalized(m);
printf("Input mesh vn:%i fn:%i\n",m.VN(),m.FN());
n_steps=atoi(argv[3]);
for(i=0;i < n_steps;++i)
{
switch(RefMode)
{
case FLAT:
tri::Refine<MyMesh, tri::MidPoint<MyMesh> >(m,tri::MidPoint<MyMesh>(&m),length);
break;
case LOOP:
tri::RefineOddEven<MyMesh, tri::OddPointLoop<MyMesh>, tri::EvenPointLoop<MyMesh> >(m, tri::OddPointLoop<MyMesh>(m), tri::EvenPointLoop<MyMesh>(), length);
break;
case CATMULL:
tri::BitQuadCreation<MyMesh>::MakePureByCatmullClark(m);
tri::UpdateNormal<MyMesh>::PerBitQuadFaceNormalized(m);
break;
case ONE_QUAD_X_EDGE:
tri::BitQuadCreation<MyMesh>::MakePureByRefine(m);
tri::UpdateNormal<MyMesh>::PerBitQuadFaceNormalized(m);
break;
case BUTTERFLY:
tri::Refine<MyMesh, tri::MidPointButterfly<MyMesh> >(m,tri::MidPointButterfly<MyMesh>(m),length);
break;
}
}
printf("Output mesh vn:%i fn:%i\n",m.VN(),m.FN());
vcg::tri::io::Exporter<MyMesh>::Save(m,argv[2],vcg::tri::io::Mask::IOM_BITPOLYGONAL);
return 0;
}