vcglib/apps/sample/polygonmesh_dual/polygonmesh_dual.cpp

121 lines
4.7 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 the algorithms for updating: */
#include <vcg/complex/algorithms/update/bounding.h>
#include <vcg/complex/algorithms/update/normal.h>
#include <vcg/complex/algorithms/clean.h>
#include <vcg/complex/algorithms/create/platonic.h>
#include <wrap/io_trimesh/export_obj.h>
#include <wrap/io_trimesh/import_obj.h>
#include <vcg/complex/algorithms/dual_meshing.h>
#include <vcg/complex/algorithms/polygon_support.h>
using namespace vcg;
using namespace std;
// forward declarations
class TFace;
class TVertex;
struct TUsedTypes: public vcg::UsedTypes< vcg::Use<TVertex>::AsVertexType, vcg::Use<TFace>::AsFaceType >{};
/* Definition of a mesh of triangles
*/
class TVertex : public Vertex< TUsedTypes,
vertex::BitFlags,
vertex::Coord3f,
vertex::Normal3f,
vertex::Mark >{};
class TFace : public Face< TUsedTypes,
face::VertexRef, // three pointers to vertices
face::Normal3f, // normal
face::BitFlags, // flags
face::FFAdj // three pointers to adjacent faces
> {};
/* the mesh is a container of vertices and a container of faces */
class TMesh : public vcg::tri::TriMesh< vector<TVertex>, vector<TFace> > {};
/* Definition of a mesh of polygons that also supports half-edges
*/
class PFace;
class PVertex;
struct PUsedTypes: public vcg::UsedTypes<vcg::Use<PVertex> ::AsVertexType,
vcg::Use<PFace> ::AsFaceType>{};
class PVertex:public vcg::Vertex< PUsedTypes,
vcg::vertex::Coord3f,
vcg::vertex::Normal3f,
vcg::vertex::Mark,
vcg::vertex::BitFlags>{} ;
class PFace:public vcg::Face<
PUsedTypes
,vcg::face::PolyInfo // this is necessary if you use component in vcg/simplex/face/component_polygon.h
// It says "this class is a polygon and the memory for its components (e.g. pointer to its vertices
// will be allocated dynamically")
,vcg::face::PFVAdj // Pointer to the vertices (just like FVAdj )
,vcg::face::PFVAdj
,vcg::face::PFFAdj // Pointer to edge-adjacent face (just like FFAdj )
,vcg::face::BitFlags // bit flags
,vcg::face::Normal3f // normal
> {};
class PMesh: public
vcg::tri::TriMesh<
std::vector<PVertex>, // the vector of vertices
std::vector<PFace > // the vector of faces
>{};
TMesh primalT;
PMesh primal,dual;
int main(int argc, char *argv[])
{
(void)argc;
(void)argv;
vcg::tri::Sphere<TMesh>(primalT,2);
vcg::tri::PolygonSupport<TMesh,PMesh>::ImportFromTriMesh(primal,primalT);
vcg::tri::DualMeshing<PMesh>::MakeDual(primal,dual);
vcg::tri::io::ExporterOBJ<PMesh>::Save(dual,"./dual.obj",vcg::tri::io::Mask::IOM_BITPOLYGONAL);
vcg::tri::DualMeshing<PMesh>::MakeDual(dual,primal);
vcg::tri::io::ExporterOBJ<PMesh>::Save(primal,"./dual_dual.obj",vcg::tri::io::Mask::IOM_BITPOLYGONAL);
}