619 lines
19 KiB
C++
619 lines
19 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 \/)\/ *
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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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/****************************************************************************
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History
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$Log: not supported by cvs2svn $
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Revision 1.4 2005/07/01 11:17:06 cignoni
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Added option of passing a base mesh to Sphere for spherifying it
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Revision 1.3 2005/06/17 00:49:29 cignoni
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Added missing Sphere function
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Revision 1.2 2005/02/25 11:41:08 pietroni
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Fixed bug in Square
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Revision 1.1 2005/01/19 15:43:15 fiorin
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Moved from vcg/complex/trimesh to vcg/complex/trimesh/create
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Revision 1.10 2004/10/28 00:54:34 cignoni
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Better Doxygen documentation
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Revision 1.9 2004/09/24 10:14:38 fiorin
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Corrected bug in cone
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Revision 1.8 2004/09/22 15:12:38 fiorin
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Corrected bug in hexahedron
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Revision 1.7 2004/07/09 15:34:29 tarini
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Dodecahedron added! (and doxigened a little bit)
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Revision 1.6 2004/05/13 21:08:00 cignoni
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Conformed C++ syntax to GCC requirements
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Revision 1.5 2004/03/18 15:29:07 cignoni
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Completed Octahedron and Icosahedron
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Revision 1.2 2004/03/03 16:11:46 cignoni
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First working version (tetrahedron!)
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****************************************************************************/
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#ifndef __VCGLIB_PLATONIC
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#define __VCGLIB_PLATONIC
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#include<vcg/math/base.h>
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#include<vcg/complex/trimesh/allocate.h>
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#include<vcg/complex/trimesh/refine.h>
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#include<vcg/complex/trimesh/update/flag.h>
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namespace vcg {
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namespace tri {
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/** \addtogroup trimesh */
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//@{
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/**
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A set of functions that builds meshes
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that represent surfaces of platonic solids,
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and other simple shapes.
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The 1st parameter is the mesh that will
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be filled with the solid.
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*/
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template <class TetraMeshType>
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void Tetrahedron(TetraMeshType &in)
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{
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typedef TetraMeshType MeshType;
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typedef typename TetraMeshType::CoordType CoordType;
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typedef typename TetraMeshType::VertexPointer VertexPointer;
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typedef typename TetraMeshType::VertexIterator VertexIterator;
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typedef typename TetraMeshType::FaceIterator FaceIterator;
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in.Clear();
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Allocator<TetraMeshType>::AddVertices(in,4);
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Allocator<TetraMeshType>::AddFaces(in,4);
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VertexPointer ivp[4];
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CoordType test;
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test=CoordType ( 1.0, 1.0, 1.0);
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VertexIterator vi=in.vert.begin();
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ivp[0]=&*vi;(*vi).P()=CoordType ( 1.0, 1.0, 1.0); ++vi;
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ivp[1]=&*vi;(*vi).P()=CoordType (-1.0, 1.0,-1.0); ++vi;
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ivp[2]=&*vi;(*vi).P()=CoordType (-1.0,-1.0, 1.0); ++vi;
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ivp[3]=&*vi;(*vi).P()=CoordType ( 1.0,-1.0,-1.0);
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FaceIterator fi=in.face.begin();
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[1]; (*fi).V(2)=ivp[2]; ++fi;
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[2]; (*fi).V(2)=ivp[3]; ++fi;
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[3]; (*fi).V(2)=ivp[1]; ++fi;
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(*fi).V(0)=ivp[3]; (*fi).V(1)=ivp[2]; (*fi).V(2)=ivp[1];
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}
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/// builds a Dodecahedron,
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/// (each pentagon is composed of 5 triangles)
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template <class DodMeshType>
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void Dodecahedron(DodMeshType & in)
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{
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typedef DodMeshType MeshType;
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typedef typename MeshType::CoordType CoordType;
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typedef typename MeshType::VertexPointer VertexPointer;
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typedef typename MeshType::VertexIterator VertexIterator;
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typedef typename MeshType::FaceIterator FaceIterator;
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typedef typename MeshType::ScalarType ScalarType;
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const int N_penta=12;
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const int N_points=62;
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int penta[N_penta*3*3]=
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{20,11, 18, 18, 11, 8, 8, 11, 4,
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13,23, 4, 4, 23, 8, 8, 23, 16,
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13, 4, 30, 30, 4, 28, 28, 4, 11,
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16,34, 8, 8, 34, 18, 18, 34, 36,
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11,20, 28, 28, 20, 45, 45, 20, 38,
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13,30, 23, 23, 30, 41, 41, 30, 47,
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16,23, 34, 34, 23, 50, 50, 23, 41,
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20,18, 38, 38, 18, 52, 52, 18, 36,
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30,28, 47, 47, 28, 56, 56, 28, 45,
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50,60, 34, 34, 60, 36, 36, 60, 52,
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45,38, 56, 56, 38, 60, 60, 38, 52,
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50,41, 60, 60, 41, 56, 56, 41, 47 };
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//A B E D C
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const ScalarType p=(1.0 + math::Sqrt(5.0)) / 2.0;
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const ScalarType p2=p*p;
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const ScalarType p3=p*p*p;
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ScalarType vv[N_points*3]=
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{
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0, 0, 2*p2, p2, 0, p3, p, p2, p3,
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0, p, p3, -p, p2, p3, -p2, 0, p3,
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-p, -p2, p3, 0, -p, p3, p, -p2, p3,
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p3, p, p2, p2, p2, p2, 0, p3, p2,
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-p2, p2, p2, -p3, p, p2, -p3, -p, p2,
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-p2, -p2, p2, 0, -p3, p2, p2, -p2, p2,
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p3, -p, p2, p3, 0, p, p2, p3, p,
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-p2, p3, p, -p3, 0, p, -p2, -p3, p,
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p2, -p3, p, 2*p2, 0, 0, p3, p2, 0,
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p, p3, 0, 0, 2*p2, 0, -p, p3, 0,
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-p3, p2, 0, -2*p2, 0, 0, -p3, -p2, 0,
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-p, -p3, 0, 0, -2*p2, 0, p, -p3, 0,
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p3, -p2, 0, p3, 0, -p, p2, p3, -p,
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-p2, p3, -p, -p3, 0, -p, -p2, -p3, -p,
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p2, -p3, -p, p3, p, -p2, p2, p2, -p2,
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0, p3, -p2, -p2, p2, -p2, -p3, p, -p2,
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-p3, -p, -p2, -p2, -p2, -p2, 0, -p3, -p2,
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p2, -p2, -p2, p3, -p, -p2, p2, 0, -p3,
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p, p2, -p3, 0, p, -p3, -p, p2, -p3,
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-p2, 0, -p3, -p, -p2, -p3, 0, -p, -p3,
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p, -p2, -p3, 0, 0, -2*p2
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};
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in.Clear();
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//in.face.clear();
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Allocator<DodMeshType>::AddVertices(in,20+12);
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Allocator<DodMeshType>::AddFaces(in, 5*12); // five pentagons, each made by 5 tri
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int h,i,j,k=0,m=0;
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bool used[N_points];
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for (i=0; i<N_points; i++) used[i]=false;
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int reindex[20+12 *10];
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double xx,yy,zz, sx,sy,sz;
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int order[5]={0,1,8,6,2};
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int added[12];
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VertexIterator vi=in.vert.begin();
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for (i=0; i<12; i++) {
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sx=sy=sz=0;
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for (int j=0; j<5; j++) {
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h= penta[ i*9 + order[j] ]-1;
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xx=vv[h*3];yy=vv[h*3+1];zz=vv[h*3+2]; sx+=xx; sy+=yy; sz+=zz;
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if (!used[h]) {
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(*vi).P()=CoordType( xx, yy, zz ); vi++;
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used[h]=true;
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reindex[ h ] = m++;
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}
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};
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(*vi).P()=CoordType( sx/5.0, sy/5.0, sz/5.0 ); vi++;
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added[ i ] = m++;
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}
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std::vector<VertexPointer> index(in.vn);
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for(j=0,vi=in.vert.begin();j<in.vn;++j,++vi) index[j] = &(*vi);
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FaceIterator fi=in.face.begin();
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for (i=0; i<12; i++) {
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for (j=0; j<5; j++){
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(*fi).V(0)=index[reindex[penta[i*9 + order[j ] ] -1 ] ];
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(*fi).V(1)=index[reindex[penta[i*9 + order[(j+1)%5] ] -1 ] ];
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(*fi).V(2)=index[added[i] ];
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fi++;
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}
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};
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};
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template <class OctMeshType>
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void Octahedron(OctMeshType &in)
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{
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typedef OctMeshType MeshType;
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typedef typename MeshType::CoordType CoordType;
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typedef typename MeshType::VertexPointer VertexPointer;
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typedef typename MeshType::VertexIterator VertexIterator;
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typedef typename MeshType::FaceIterator FaceIterator;
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in.Clear();
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Allocator<OctMeshType>::AddVertices(in,6);
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Allocator<OctMeshType>::AddFaces(in,8);
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VertexPointer ivp[6];
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VertexIterator vi=in.vert.begin();
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ivp[0]=&*vi;(*vi).P()=CoordType ( 1, 0, 0); ++vi;
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ivp[1]=&*vi;(*vi).P()=CoordType ( 0, 1, 0); ++vi;
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ivp[2]=&*vi;(*vi).P()=CoordType ( 0, 0, 1); ++vi;
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ivp[3]=&*vi;(*vi).P()=CoordType (-1, 0, 0); ++vi;
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ivp[4]=&*vi;(*vi).P()=CoordType ( 0,-1, 0); ++vi;
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ivp[5]=&*vi;(*vi).P()=CoordType ( 0, 0,-1);
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FaceIterator fi=in.face.begin();
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[1]; (*fi).V(2)=ivp[2]; ++fi;
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[2]; (*fi).V(2)=ivp[4]; ++fi;
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[4]; (*fi).V(2)=ivp[5]; ++fi;
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[5]; (*fi).V(2)=ivp[1]; ++fi;
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(*fi).V(0)=ivp[3]; (*fi).V(1)=ivp[1]; (*fi).V(2)=ivp[5]; ++fi;
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(*fi).V(0)=ivp[3]; (*fi).V(1)=ivp[5]; (*fi).V(2)=ivp[4]; ++fi;
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(*fi).V(0)=ivp[3]; (*fi).V(1)=ivp[4]; (*fi).V(2)=ivp[2]; ++fi;
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(*fi).V(0)=ivp[3]; (*fi).V(1)=ivp[2]; (*fi).V(2)=ivp[1];
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}
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template <class IcoMeshType>
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void Icosahedron(IcoMeshType &in)
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{
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typedef IcoMeshType MeshType;
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typedef typename MeshType::ScalarType ScalarType;
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typedef typename MeshType::CoordType CoordType;
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typedef typename MeshType::VertexPointer VertexPointer;
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typedef typename MeshType::VertexIterator VertexIterator;
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typedef typename MeshType::FaceIterator FaceIterator;
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ScalarType L=ScalarType((math::Sqrt(5.0)+1.0)/2.0);
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CoordType vv[12]={
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CoordType ( 0, L, 1),
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CoordType ( 0, L,-1),
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CoordType ( 0,-L, 1),
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CoordType ( 0,-L,-1),
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CoordType ( L, 1, 0),
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CoordType ( L,-1, 0),
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CoordType (-L, 1, 0),
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CoordType (-L,-1, 0),
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CoordType ( 1, 0, L),
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CoordType (-1, 0, L),
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CoordType ( 1, 0,-L),
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CoordType (-1, 0,-L)
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};
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int ff[20][3]={
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{1,0,4},{0,1,6},{2,3,5},{3,2,7},
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{4,5,10},{5,4,8},{6,7,9},{7,6,11},
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{8,9,2},{9,8,0},{10,11,1},{11,10,3},
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{0,8,4},{0,6,9},{1,4,10},{1,11,6},
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{2,5,8},{2,9,7},{3,10,5},{3,7,11}
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};
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in.Clear();
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Allocator<IcoMeshType>::AddVertices(in,12);
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Allocator<IcoMeshType>::AddFaces(in,20);
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VertexPointer ivp[12];
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VertexIterator vi;
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int i;
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for(i=0,vi=in.vert.begin();vi!=in.vert.end();++i,++vi){
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(*vi).P()=vv[i];
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ivp[i]=&*vi;
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}
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FaceIterator fi;
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for(i=0,fi=in.face.begin();fi!=in.face.end();++i,++fi){
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(*fi).V(0)=ivp[ff[i][0]];
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(*fi).V(1)=ivp[ff[i][1]];
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(*fi).V(2)=ivp[ff[i][2]];
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}
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}
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template <class MeshType>
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void Hexahedron(MeshType &in)
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{
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typedef typename MeshType::ScalarType ScalarType;
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typedef typename MeshType::CoordType CoordType;
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typedef typename MeshType::VertexPointer VertexPointer;
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typedef typename MeshType::VertexIterator VertexIterator;
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typedef typename MeshType::FaceIterator FaceIterator;
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in.Clear();
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Allocator<MeshType>::AddVertices(in,8);
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Allocator<MeshType>::AddFaces(in,12);
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VertexPointer ivp[8];
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VertexIterator vi=in.vert.begin();
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ivp[0]=&*vi;(*vi).P()=CoordType (-1,-1,-1); ++vi;
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ivp[1]=&*vi;(*vi).P()=CoordType ( 1,-1,-1); ++vi;
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ivp[2]=&*vi;(*vi).P()=CoordType (-1, 1,-1); ++vi;
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ivp[3]=&*vi;(*vi).P()=CoordType ( 1, 1,-1); ++vi;
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ivp[4]=&*vi;(*vi).P()=CoordType (-1,-1, 1); ++vi;
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ivp[5]=&*vi;(*vi).P()=CoordType ( 1,-1, 1); ++vi;
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ivp[6]=&*vi;(*vi).P()=CoordType (-1, 1, 1); ++vi;
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ivp[7]=&*vi;(*vi).P()=CoordType ( 1, 1, 1);
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FaceIterator fi=in.face.begin();
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[1]; (*fi).V(2)=ivp[2]; ++fi;
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(*fi).V(0)=ivp[3]; (*fi).V(1)=ivp[2]; (*fi).V(2)=ivp[1]; ++fi;
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[2]; (*fi).V(2)=ivp[4]; ++fi;
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(*fi).V(0)=ivp[6]; (*fi).V(1)=ivp[4]; (*fi).V(2)=ivp[2]; ++fi;
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[4]; (*fi).V(2)=ivp[1]; ++fi;
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(*fi).V(0)=ivp[5]; (*fi).V(1)=ivp[1]; (*fi).V(2)=ivp[4]; ++fi;
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(*fi).V(0)=ivp[7]; (*fi).V(1)=ivp[5]; (*fi).V(2)=ivp[6]; ++fi;
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(*fi).V(0)=ivp[4]; (*fi).V(1)=ivp[6]; (*fi).V(2)=ivp[5]; ++fi;
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(*fi).V(0)=ivp[7]; (*fi).V(1)=ivp[6]; (*fi).V(2)=ivp[3]; ++fi;
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(*fi).V(0)=ivp[2]; (*fi).V(1)=ivp[3]; (*fi).V(2)=ivp[6]; ++fi;
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(*fi).V(0)=ivp[7]; (*fi).V(1)=ivp[3]; (*fi).V(2)=ivp[5]; ++fi;
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(*fi).V(0)=ivp[1]; (*fi).V(1)=ivp[5]; (*fi).V(2)=ivp[3];
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}
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template <class MeshType>
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void Square(MeshType &in)
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{
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typedef typename MeshType::ScalarType ScalarType;
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typedef typename MeshType::CoordType CoordType;
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typedef typename MeshType::VertexPointer VertexPointer;
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typedef typename MeshType::VertexIterator VertexIterator;
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typedef typename MeshType::FaceIterator FaceIterator;
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in.Clear();
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Allocator<MeshType>::AddVertices(in,4);
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Allocator<MeshType>::AddFaces(in,2);
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VertexPointer ivp[4];
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VertexIterator vi=in.vert.begin();
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ivp[0]=&*vi;(*vi).P()=CoordType ( 1, 0, 0); ++vi;
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ivp[1]=&*vi;(*vi).P()=CoordType ( 0, 1, 0); ++vi;
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ivp[2]=&*vi;(*vi).P()=CoordType (-1, 0, 0); ++vi;
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ivp[3]=&*vi;(*vi).P()=CoordType ( 0,-1, 0);
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FaceIterator fi=in.face.begin();
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[1]; (*fi).V(2)=ivp[2]; ++fi;
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(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[2]; (*fi).V(2)=ivp[3];
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}
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// this function build a sphere starting from a eventually not empty mesh.
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// If the mesh is not empty it is 'spherified' and used as base for the subdivision process.
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// otherwise an icosahedron is used.
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template <class MeshType>
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void Sphere(MeshType &in, const int subdiv = 3 )
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{
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typedef typename MeshType::ScalarType ScalarType;
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typedef typename MeshType::CoordType CoordType;
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typedef typename MeshType::VertexPointer VertexPointer;
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typedef typename MeshType::VertexIterator VertexIterator;
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typedef typename MeshType::FaceIterator FaceIterator;
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if(in.vn==0 && in.fn==0) Icosahedron(in);
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VertexIterator vi;
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for(vi = in.vert.begin(); vi!=in.vert.end();++vi)
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vi->P().Normalize();
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tri::UpdateFlags<MeshType>::FaceBorderFromNone(in);
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int lastsize = 0;
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for(int i=0;i<subdiv;++i)
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{
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Refine<MeshType, MidPoint<MeshType> >(in,MidPoint<MeshType>(),0);
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for(vi = in.vert.begin()+lastsize;vi!=in.vert.end();++vi)
|
|
vi->P().Normalize();
|
|
|
|
lastsize = in.vert.size();
|
|
}
|
|
}
|
|
|
|
|
|
/// r1 = raggio 1, r2 = raggio2, h = altezza (asse y)
|
|
template <class MeshType>
|
|
void Cone( MeshType& in,
|
|
const typename MeshType::ScalarType r1,
|
|
const typename MeshType::ScalarType r2,
|
|
const typename MeshType::ScalarType h )
|
|
{
|
|
typedef typename MeshType::ScalarType ScalarType;
|
|
typedef typename MeshType::CoordType CoordType;
|
|
typedef typename MeshType::VertexPointer VertexPointer;
|
|
typedef typename MeshType::VertexIterator VertexIterator;
|
|
typedef typename MeshType::FaceIterator FaceIterator;
|
|
|
|
const int D = 24;
|
|
int i,b1,b2;
|
|
in.Clear();
|
|
int VN,FN;
|
|
if(r1==0 || r2==0) {
|
|
VN=D+2;
|
|
FN=D*2;
|
|
} else {
|
|
VN=D*2+2;
|
|
FN=D*4;
|
|
}
|
|
|
|
Allocator<MeshType>::AddVertices(in,VN);
|
|
Allocator<MeshType>::AddFaces(in,FN);
|
|
VertexPointer *ivp = new VertexPointer[VN];
|
|
|
|
VertexIterator vi=in.vert.begin();
|
|
ivp[0]=&*vi;(*vi).P()=CoordType ( 0,-h/2,0 ); ++vi;
|
|
ivp[1]=&*vi;(*vi).P()=CoordType ( 0, h/2,0 ); ++vi;
|
|
|
|
b1 = b2 = 2;
|
|
int cnt=2;
|
|
if(r1!=0)
|
|
{
|
|
for(i=0;i<D;++i)
|
|
{
|
|
double a = i*3.14159265358979323846*2/D;
|
|
double s = sin(a);
|
|
double c = cos(a);
|
|
double x,y,z;
|
|
x = r1*c;
|
|
z = r1*s;
|
|
y = -h/2;
|
|
|
|
ivp[cnt]=&*vi; (*vi).P()= CoordType( x,y,z ); ++vi;++cnt;
|
|
}
|
|
b2 += D;
|
|
}
|
|
|
|
if(r2!=0)
|
|
{
|
|
for(i=0;i<D;++i)
|
|
{
|
|
double a = i*3.14159265358979323846*2/D;
|
|
double s = sin(a);
|
|
double c = cos(a);
|
|
double x,y,z;
|
|
x = r2*c;
|
|
z = r2*s;
|
|
y = h/2;
|
|
|
|
ivp[cnt]=&*vi; (*vi).P()= CoordType( x,y,z ); ++vi;++cnt;
|
|
}
|
|
}
|
|
|
|
FaceIterator fi=in.face.begin();
|
|
|
|
if(r1!=0) for(i=0;i<D;++i,++fi) {
|
|
(*fi).V(0)=ivp[0];
|
|
(*fi).V(1)=ivp[b1+i];
|
|
(*fi).V(2)=ivp[b1+(i+1)%D];
|
|
}
|
|
|
|
if(r2!=0) for(i=0;i<D;++i,++fi) {
|
|
(*fi).V(0)=ivp[1];
|
|
(*fi).V(2)=ivp[b2+i];
|
|
(*fi).V(1)=ivp[b2+(i+1)%D];
|
|
}
|
|
|
|
if(r1==0) for(i=0;i<D;++i,++fi)
|
|
{
|
|
(*fi).V(0)=ivp[0];
|
|
(*fi).V(1)=ivp[b2+i];
|
|
(*fi).V(2)=ivp[b2+(i+1)%D];
|
|
//in.face.push_back(*fi);
|
|
}
|
|
if(r2==0) for(i=0;i<D;++i,++fi){
|
|
(*fi).V(0)=ivp[1];
|
|
(*fi).V(2)=ivp[b1+i];
|
|
(*fi).V(1)=ivp[b1+(i+1)%D];
|
|
}
|
|
|
|
if(r1!=0 && r2!=0)for(i=0;i<D;++i)
|
|
{
|
|
(*fi).V(0)=ivp[b1+i];
|
|
(*fi).V(1)=ivp[b2+i];
|
|
(*fi).V(2)=ivp[b2+(i+1)%D];
|
|
++fi;
|
|
(*fi).V(0)=ivp[b1+i];
|
|
(*fi).V(1)=ivp[b2+(i+1)%D];
|
|
(*fi).V(2)=ivp[b1+(i+1)%D];
|
|
++fi;
|
|
}
|
|
}
|
|
|
|
|
|
template <class MeshType >
|
|
void Box(MeshType &in, const typename MeshType::BoxType & bb )
|
|
{
|
|
typedef typename MeshType::ScalarType ScalarType;
|
|
typedef typename MeshType::CoordType CoordType;
|
|
typedef typename MeshType::VertexPointer VertexPointer;
|
|
typedef typename MeshType::VertexIterator VertexIterator;
|
|
typedef typename MeshType::FaceIterator FaceIterator;
|
|
|
|
in.Clear();
|
|
Allocator<MeshType>::AddVertices(in,8);
|
|
Allocator<MeshType>::AddFaces(in,12);
|
|
|
|
VertexPointer ivp[8];
|
|
|
|
VertexIterator vi=in.vert.begin();
|
|
ivp[0]=&*vi;(*vi).P()=CoordType (bb.min[0],bb.min[1],bb.min[2]); ++vi;
|
|
ivp[1]=&*vi;(*vi).P()=CoordType (bb.max[0],bb.min[1],bb.min[2]); ++vi;
|
|
ivp[2]=&*vi;(*vi).P()=CoordType (bb.min[0],bb.max[1],bb.min[2]); ++vi;
|
|
ivp[3]=&*vi;(*vi).P()=CoordType (bb.max[0],bb.max[1],bb.min[2]); ++vi;
|
|
ivp[3]=&*vi;(*vi).P()=CoordType (bb.min[0],bb.min[1],bb.max[2]); ++vi;
|
|
ivp[3]=&*vi;(*vi).P()=CoordType (bb.max[0],bb.min[1],bb.max[2]); ++vi;
|
|
ivp[4]=&*vi;(*vi).P()=CoordType (bb.min[0],bb.max[1],bb.max[2]); ++vi;
|
|
ivp[5]=&*vi;(*vi).P()=CoordType (bb.max[0],bb.max[1],bb.max[2]);
|
|
|
|
FaceIterator fi=in.face.begin();
|
|
(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[1]; (*fi).V(2)=ivp[2]; ++fi;
|
|
(*fi).V(0)=ivp[3]; (*fi).V(1)=ivp[2]; (*fi).V(2)=ivp[1]; ++fi;
|
|
(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[2]; (*fi).V(2)=ivp[4]; ++fi;
|
|
(*fi).V(0)=ivp[6]; (*fi).V(1)=ivp[4]; (*fi).V(2)=ivp[2]; ++fi;
|
|
(*fi).V(0)=ivp[0]; (*fi).V(1)=ivp[4]; (*fi).V(2)=ivp[1]; ++fi;
|
|
(*fi).V(0)=ivp[5]; (*fi).V(1)=ivp[1]; (*fi).V(2)=ivp[4]; ++fi;
|
|
(*fi).V(0)=ivp[7]; (*fi).V(1)=ivp[5]; (*fi).V(2)=ivp[6]; ++fi;
|
|
(*fi).V(0)=ivp[4]; (*fi).V(1)=ivp[6]; (*fi).V(2)=ivp[5]; ++fi;
|
|
(*fi).V(0)=ivp[7]; (*fi).V(1)=ivp[6]; (*fi).V(2)=ivp[3]; ++fi;
|
|
(*fi).V(0)=ivp[2]; (*fi).V(1)=ivp[3]; (*fi).V(2)=ivp[6]; ++fi;
|
|
(*fi).V(0)=ivp[7]; (*fi).V(1)=ivp[3]; (*fi).V(2)=ivp[5]; ++fi;
|
|
(*fi).V(0)=ivp[1]; (*fi).V(1)=ivp[5]; (*fi).V(2)=ivp[3];
|
|
}
|
|
|
|
|
|
/// Questa funzione costruisce una mesh a partire da un insieme di coordiante
|
|
/// ed un insieme di terne di indici di vertici
|
|
|
|
template <class MeshType,class V, class F >
|
|
void Build( MeshType & in, const V & v, const F & f)
|
|
{
|
|
typedef typename MeshType::ScalarType ScalarType;
|
|
typedef typename MeshType::CoordType CoordType;
|
|
typedef typename MeshType::VertexPointer VertexPointer;
|
|
typedef typename MeshType::VertexIterator VertexIterator;
|
|
typedef typename MeshType::FaceIterator FaceIterator;
|
|
|
|
in.vn = v.size();
|
|
in.fn = f.size();
|
|
|
|
in.vert.clear();
|
|
in.face.clear();
|
|
|
|
typename V::const_iterator vi;
|
|
|
|
typename MeshType::VertexType tv;
|
|
tv.Supervisor_Flags()=0;
|
|
|
|
for(vi=v.begin();vi!=v.end();++vi)
|
|
{
|
|
tv.P() = CoordType(
|
|
(ScalarType)(*vi).Ext(0),
|
|
(ScalarType)(*vi).Ext(1),
|
|
(ScalarType)(*vi).Ext(2)
|
|
);
|
|
in.vert.push_back(tv);
|
|
}
|
|
|
|
std::vector<VertexPointer> index(in.vn);
|
|
VertexIterator j;
|
|
int k;
|
|
for(k=0,j=in.vert.begin();j!=in.vert.end();++j,++k)
|
|
index[k] = &*j;
|
|
|
|
typename F::const_iterator fi;
|
|
|
|
typename MeshType::FaceType ft;
|
|
ft.Supervisor_Flags()=0;
|
|
|
|
for(fi=f.begin();fi!=f.end();++fi)
|
|
{
|
|
assert( (*fi)[0]>=0 );
|
|
assert( (*fi)[1]>=0 );
|
|
assert( (*fi)[2]>=0 );
|
|
assert( (*fi)[0]<in.vn );
|
|
assert( (*fi)[1]<in.vn );
|
|
assert( (*fi)[2]<in.vn );
|
|
ft.V(0) = index[ (*fi)[0] ];
|
|
ft.V(1) = index[ (*fi)[1] ];
|
|
ft.V(2) = index[ (*fi)[2] ];
|
|
in.face.push_back(ft);
|
|
}
|
|
}
|
|
//@}
|
|
|
|
} // End Namespace TriMesh
|
|
} // End Namespace vcg
|
|
#endif
|