tet export

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T.Alderighi 2018-05-08 16:03:30 +02:00
parent 85501c3992
commit b597815848
1 changed files with 117 additions and 0 deletions

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/****************************************************************************
* 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. *
* *
****************************************************************************/
/**
@name Load and Save in Tetgen File format
*/
//@{
#ifndef __VCGLIB_TETRAEXPORT_TET
#define __VCGLIB_TETRAEXPORT_TET
#include<wrap/io_trimesh/precision.h>
#include <stdio.h>
namespace vcg {
namespace tetra {
namespace io {
template <class SaveMeshType>
class ExporterTET
{
public:
typedef ::vcg::ply::PropDescriptor PropDescriptor ;
typedef typename SaveMeshType::VertexPointer VertexPointer;
typedef typename SaveMeshType::ScalarType ScalarType;
typedef typename SaveMeshType::VertexType VertexType;
typedef typename SaveMeshType::TetraType TetraType;
typedef typename SaveMeshType::TetraPointer TetraPointer;
typedef typename SaveMeshType::VertexIterator VertexIterator;
typedef typename SaveMeshType::TetraIterator TetraIterator;
static bool Save(SaveMeshType &m, const char * filename) // V1.0
{
FILE * eleFile;
FILE * nodeFile;
const int DGT = vcg::tri::io::Precision<ScalarType>::digits();
std::string eleName(filename);
std::string nodeName(filename);
eleName.append(".ele");
nodeName.append(".node");
eleFile = fopen(eleName.c_str() , "wb");
if (eleFile == NULL)
return 1;
nodeFile = fopen(nodeName.c_str() , "wb");
if (nodeFile == NULL)
return 1;
fprintf(eleFile,
"#VCG lib .ele generated file\n"
"#This file contains the tetra definition in accord to Tetgen file format\n");
fprintf(nodeFile,
"#VCG lib .node generated file\n"
"#This file contains the vertex definition in accord to Tetgen file format\n");
fprintf(nodeFile, "%d 3 0 0\n", m.VN());
int vi = 0;
SimpleTempData<typename SaveMeshType::VertContainer, int> indices(m.vert);
ForEachVertex(m, [&] (VertexType & v) {
indices[&v] = vi;
fprintf(nodeFile, "%d %g %g %g\n", vi++, double(v.P().X()), double(v.P().Y()), double(v.P().Z()));
});
fprintf(eleFile, "%d 4 0\n", m.TN());
int ti = 0;
ForEachTetra(m, [&] (SaveMeshType::TetraType & t) {
fprintf(eleFile, "%d %d %d %d %d\n", ti++, indices[t.V(0)], indices[t.V(1)], indices[t.V(2)], indices[t.V(3)]);
});
fclose(eleFile);
fclose(nodeFile);
return 0;
}
}; // end class
} // end namespace tetra
} // end namespace io
} // end namespace vcg
#endif