137 lines
5.2 KiB
C++
137 lines
5.2 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) 2004-2016 \/)\/ *
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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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#ifndef __VCGLIB_EXPORTERFIELD
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#define __VCGLIB_EXPORTERFIELD
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#include <vcg/complex/algorithms/parametrization/tangent_field_operators.h>
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namespace vcg {
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namespace tri {
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namespace io {
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/**
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This class encapsulate a filter for saving field formats
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*/
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template <class MeshType>
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class ExporterFIELD
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{
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typedef typename MeshType::ScalarType ScalarType;
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typedef typename MeshType::FaceType FaceType;
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typedef typename MeshType::VertexType VertexType;
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typedef typename MeshType::CoordType CoordType;
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public:
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///load a field on the mesh, it could be a vfield file (per vertex)
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///or an ffield file (per face)
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static void SaveFaceFIELD(MeshType &mesh,
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const char *path)
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{
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FILE *f = fopen(path,"wt");
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//if (!f)return false;
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// char word[512]; word[0]=0;
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// fscanf(f,"%s",word);
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// char c=0;
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// if (word[0]=='#') {
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// // skip comment line
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// while (fscanf(f,"%c",&c)!=EOF) if (c=='\n') break;
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// }
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// else
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// {
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// return false;
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// }
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int nf = mesh.fn;//-1;
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fprintf(f,"# frame generated with VCG \n");
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fprintf(f,"target frame \n");
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fprintf(f,"%d\n",nf);
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//
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// if( per_vertex && !HasPerVertexCurvatureDir(mesh)) throw vcg::MissingComponentException("PerVertexCurvatureDir");
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// if(!per_vertex && !HasPerFaceCurvatureDir(mesh)) throw vcg::MissingComponentException("PerFaceCurvatureDir");
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if (!HasPerFaceCurvatureDir(mesh))
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throw vcg::MissingComponentException("PerFaceCurvatureDir");
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fprintf(f,"k1 k2 k1v_x k1v_y k1v_z k2v_x k2v_y k2v_z\n");
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for (int i=0; i<nf; i++){
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vcg::Point3<float> u;
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u.Import(mesh.face[i].PD1());
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vcg::Point3<float> v;
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v.Import(mesh.face[i].PD2());
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fprintf(f,"1 1 %f %f %f %f %f %f\n",
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(u.X()),(u.Y()),(u.Z()),
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(v.X()),(v.Y()),(v.Z()));
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}
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fclose(f);
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}
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///Save a 4 rosy format file as used by
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///Interactive Visualization of Rotational Symmetry Fields on Surfaces
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///Jonathan Palacios and Eugene Zhang
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static void Save4ROSY(MeshType &mesh,
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const char *path)
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{
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FILE *f = fopen(path,"wt");
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fprintf(f,"%d\n",mesh.vn);
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fprintf(f,"4\n");
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for (unsigned int i=0;i<mesh.vert.size();i++)
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{
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float dirX=(float)mesh.vert[i].PD1().X();
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float dirY=(float)mesh.vert[i].PD1().Y();
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float dirZ=(float)mesh.vert[i].PD1().Z();
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fprintf(f,"%f %f %f \n",dirX,dirY,dirZ);
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}
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fclose(f);
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}
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//Save a 4 rosy format file as pair of angles
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static void Save2AngleFace(MeshType &mesh,
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const char *path)
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{
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FILE *f = fopen(path,"wt");
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fprintf(f,"#%d param_field\n",mesh.fn);
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for (unsigned int i=0;i<mesh.face.size();i++)
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{
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ScalarType alpha1,alpha2;
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CoordType PD1Test=mesh.face[i].PD1();
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CoordType PD2Test=mesh.face[i].PD2();
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vcg::tri::CrossField<MeshType>::CrossFieldToAngles(mesh.face[i],alpha1,alpha2,1);
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fprintf(f,"%d %f %f \n",i,alpha1,alpha2);
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}
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fclose(f);
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}
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}; // end class
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} // end namespace tri
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} // end namespace io
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} // end namespace vcg
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#endif
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