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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_VTK
#define __VCGLIB_TETRAEXPORT_VTK
#include <wrap/io_trimesh/precision.h>
#include <stdio.h>
namespace vcg
{
namespace tetra
{
namespace io
{
template <class SaveMeshType>
class ExporterVTK
{
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;
enum
{
VTK_VERTEX = 1,
VTK_POLY_VERTEX,
VTK_LINE,
VTK_POLY_LINE,
VTK_TRIANGLE,
VTK_TRIANGLE_STRIP,
VTK_POLYGON,
VTK_PIXEL,
VTK_QUAD,
VTK_TETRA,
VTK_VOXEL,
VTK_HEXAHEDRON,
VTK_WEDGE,
VTK_PYRAMID
};
static bool Save(SaveMeshType &m, const char *filename) // V1.0
{
FILE *vtkFile;
const int DGT = vcg::tri::io::Precision<ScalarType>::digits();
const char* vttp = vcg::tri::io::Precision<ScalarType>::typeName();
std::string vtkName(filename);
vtkFile = fopen(vtkName.c_str(), "wb");
if (vtkFile == NULL)
return 1;
fprintf(vtkFile, "# vtk DataFile Version 2.0\n");
fprintf(vtkFile, "VCG_mesh\n");
fprintf(vtkFile, "ASCII\n");
fprintf(vtkFile, "DATASET UNSTRUCTURED_GRID\n");
fprintf(vtkFile, "POINTS %d %s\n", m.VN(), vttp);
int vi = 0;
SimpleTempData<typename SaveMeshType::VertContainer, int> indices(m.vert);
int maxQ = 0;
ForEachVertex(m, [&](VertexType &v) {
indices[&v] = vi++;
fprintf(vtkFile, "%g %g %g\n", v.P().X(), v.P().Y(), v.P().Z());
});
fprintf(vtkFile, "CELLS %d %d\n", m.TN(), m.TN()*5);
int ti = 0;
ForEachTetra(m, [&](SaveMeshType::TetraType &t) {
++ti;
fprintf(vtkFile, "%d %d %d %d %d\n", 4, indices[t.V(0)], indices[t.V(1)], indices[t.V(2)], indices[t.V(3)]);
});
fprintf(vtkFile, "CELL_TYPES %d\n", m.TN());
ForEachTetra(m, [&](SaveMeshType::TetraType &t) {
fprintf(vtkFile, "%d\n", VTK_TETRA);
});
if( HasPerVertexQuality(m))
{
fprintf(vtkFile, "POINT_DATA %d\n", m.VN());
fprintf(vtkFile, "SCALARS vquality %s 1\n", vttp);
fprintf(vtkFile, "LOOKUP_TABLE default\n");
ForEachVertex(m, [&](VertexType &v) {
fprintf(vtkFile, "%g\n", v.Q());
});
}
if( HasPerTetraQuality(m))
{
fprintf(vtkFile, "CELL_DATA %d\n", m.TN());
fprintf(vtkFile, "SCALARS tquality %s 1\n", vttp);
fprintf(vtkFile, "LOOKUP_TABLE default\n");
ForEachTetra(m, [&](TetraType &t) {
fprintf(vtkFile, "%g\n", t.Q());
});
}
fclose(vtkFile);
return 0;
}
}; // end class
} // namespace io
} // namespace tetra
} // end namespace vcg
#endif
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