vcglib/wrap/io_trimesh/export_field.h

176 lines
6.7 KiB
C++

/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* 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. *
* *
****************************************************************************/
#ifndef __VCGLIB_EXPORTERFIELD
#define __VCGLIB_EXPORTERFIELD
namespace vcg {
namespace tri {
namespace io {
/**
This class encapsulate a filter for saving field formats
*/
template <class MeshType>
class ExporterFIELD
{
typedef typename MeshType::ScalarType ScalarType;
typedef typename MeshType::FaceType FaceType;
typedef typename MeshType::VertexType VertexType;
typedef typename MeshType::CoordType CoordType;
public:
///load a field on the mesh, it could be a vfield file (per vertex)
///or an ffield file (per face)
static void SaveFaceFIELD(MeshType &mesh,
const char *path)
{
FILE *f = fopen(path,"wt");
//if (!f)return false;
// char word[512]; word[0]=0;
// fscanf(f,"%s",word);
// char c=0;
// if (word[0]=='#') {
// // skip comment line
// while (fscanf(f,"%c",&c)!=EOF) if (c=='\n') break;
// }
// else
// {
// return false;
// }
int nf = mesh.fn;//-1;
fprintf(f,"# frame generated with VCG \n");
fprintf(f,"target frame \n");
fprintf(f,"%d\n",nf);
// if (fscanf(f,"%d",&nnv)!=1)
// {
// while (fscanf(f,"%c",&c)!=EOF) if (c=='\n') break; // skip
// fscanf(f,"%d",&nnv);
// }
// int targetnum=mesh.fn;
// if (per_vertex)
// targetnum=mesh.vn;
// if (nnv != (int)targetnum)
// {
// //if (errorMsg) sprintf(errorMsg,"Wrong element number. Found: %d. Expected: %d.",nnv,mesh->vn);
// return false;
// }
//
// if( per_vertex && !HasPerVertexCurvatureDir(mesh)) throw vcg::MissingComponentException("PerVertexCurvatureDir");
// if(!per_vertex && !HasPerFaceCurvatureDir(mesh)) throw vcg::MissingComponentException("PerFaceCurvatureDir");
if (!HasPerFaceCurvatureDir(mesh))
throw vcg::MissingComponentException("PerFaceCurvatureDir");
fprintf(f,"k1 k2 k1v_x k1v_y k1v_z k2v_x k2v_y k2v_z\n");
// while (fscanf(f,"%c",&c)!=EOF) if (c=='\n') break; // skip
// // skip strange string line
// while (fscanf(f,"%c",&c)!=EOF) if (c=='\n') break;
for (int i=0; i<nf; i++){
vcg::Point3<float> u;
u.Import(mesh.face[i].PD1());
vcg::Point3<float> v;
v.Import(mesh.face[i].PD2());
fprintf(f,"1 1 %f %f %f %f %f %f\n",
(u.X()),(u.Y()),(u.Z()),
(v.X()),(v.Y()),(v.Z()));
// if (fscanf(f,
// "%f %f %f %f %f %f %f %f",
// &a,&b,
// &(v.X()),&(v.Y()),&(v.Z()),
// &(u.X()),&(u.Y()),&(u.Z())
// )!=8) {
// //if (errorMsg) sprintf(errorMsg,"Format error reading vertex n. %d",i);
// return false;
// }
//
// u.Normalize();
// v.Normalize();
//
// if (per_vertex)
// {
// mesh.vert[i].PD1().Import(u);
// mesh.vert[i].PD2().Import(v);
// }
// else
// {
// mesh.face[i].PD1().Import(u);
// mesh.face[i].PD2().Import(v);
// }
}
fclose(f);
}
///Save a 4 rosy format file as used by
///Interactive Visualization of Rotational Symmetry Fields on Surfaces
///Jonathan Palacios and Eugene Zhang
static void Save4ROSY(MeshType &mesh,
const char *path)
{
FILE *f = fopen(path,"wt");
fprintf(f,"%d\n",mesh.vn);
fprintf(f,"4\n");
for (unsigned int i=0;i<mesh.vert.size();i++)
{
float dirX=(float)mesh.vert[i].PD1().X();
float dirY=(float)mesh.vert[i].PD1().Y();
float dirZ=(float)mesh.vert[i].PD1().Z();
fprintf(f,"%f %f %f \n",dirX,dirY,dirZ);
}
fclose(f);
}
///Save a 4 rosy format file as used by
///Interactive Visualization of Rotational Symmetry Fields on Surfaces
///Jonathan Palacios and Eugene Zhang
static void Save4ROSYFace(MeshType &mesh,
const char *path)
{
FILE *f = fopen(path,"wt");
fprintf(f,"%d\n",mesh.vn);
fprintf(f,"4\n");
for (unsigned int i=0;i<mesh.face.size();i++)
{
float dirX=(float)mesh.face[i].PD1().X();
float dirY=(float)mesh.face[i].PD1().Y();
float dirZ=(float)mesh.face[i].PD1().Z();
fprintf(f,"%f %f %f \n",dirX,dirY,dirZ);
}
fclose(f);
}
}; // end class
} // end namespace tri
} // end namespace io
} // end namespace vcg
#endif