You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
119 lines
4.6 KiB
119 lines
4.6 KiB
/*===========================================================================*\
|
|
* *
|
|
* IsoEx *
|
|
* Copyright (C) 2002 by Computer Graphics Group, RWTH Aachen *
|
|
* www.rwth-graphics.de *
|
|
* *
|
|
*---------------------------------------------------------------------------*
|
|
* *
|
|
* License *
|
|
* *
|
|
* This library is free software; you can redistribute it and/or modify it *
|
|
* under the terms of the GNU Library General Public License as published *
|
|
* by the Free Software Foundation, version 2. *
|
|
* *
|
|
* This library 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 *
|
|
* Library General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU Library General Public *
|
|
* License along with this library; if not, write to the Free Software *
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
|
|
* *
|
|
\*===========================================================================*/
|
|
|
|
//=============================================================================
|
|
//
|
|
// CLASS MarchingCubesT
|
|
//
|
|
//=============================================================================
|
|
|
|
#ifndef ISOEX_MARCHINGCUBEST_HH
|
|
#define ISOEX_MARCHINGCUBEST_HH
|
|
|
|
//== INCLUDES =================================================================
|
|
|
|
#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
|
|
|
|
#include "Edge2VertexMapT.hh"
|
|
#include "EdgeKey.hh"
|
|
|
|
#include "../Grids/Grid.hh"
|
|
|
|
#include <map>
|
|
#include <string>
|
|
|
|
//== NAMESPACES ===============================================================
|
|
|
|
namespace IsoEx {
|
|
|
|
//== CLASS DEFINITION =========================================================
|
|
|
|
|
|
/** \class MarchingCubesT MarchingCubesT.hh <IsoEx/Extractors/MarchingCubesT.hh>
|
|
This class implements the well known Marching Cubes algorithm.
|
|
The 0-level iso-surface is extracted in the constructor. Use it through
|
|
the convenience function
|
|
<b> IsoEx::marching_cubes() </b>.
|
|
\ingroup extractors
|
|
*/
|
|
template <class Mesh, class Grid>
|
|
class MarchingCubesT
|
|
{
|
|
public:
|
|
|
|
MarchingCubesT(const Grid& _grid, Mesh& _mesh, float _iso = 0.0, const std::string &_vprop_v2edge = "");
|
|
|
|
private:
|
|
|
|
typedef typename Grid::PointIdx PointIdx;
|
|
typedef typename Grid::CubeIdx CubeIdx;
|
|
typedef typename Grid::CubeIterator CubeIterator;
|
|
|
|
typedef typename Mesh::Point Point;
|
|
typedef typename Mesh::VertexHandle VertexHandle;
|
|
typedef typename Mesh::FaceHandle FaceHandle;
|
|
|
|
|
|
|
|
void process_cube(CubeIdx _idx);
|
|
VertexHandle add_vertex(PointIdx _p0, PointIdx _p1);
|
|
|
|
|
|
const Grid& grid_;
|
|
Mesh& mesh_;
|
|
float iso_;
|
|
OpenMesh::VPropHandleT< EdgeKey<PointIdx> > vprop_v2edge_;
|
|
bool use_prop_v2edge_;
|
|
|
|
// maps an edge to the sample vertex generated on it
|
|
Edge2VertexMapT<PointIdx, VertexHandle> edge2vertex_;
|
|
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
|
|
/** Convenience wrapper for the Marching Cubes algorithm.
|
|
\see IsoEx::MarchingCubesT
|
|
\ingroup extractors
|
|
*/
|
|
template <class Mesh, class Grid>
|
|
void marching_cubes(const Grid& _grid, Mesh& _mesh, float _iso = 0.0)
|
|
{
|
|
MarchingCubesT<Mesh,Grid> mc(_grid, _mesh, _iso);
|
|
}
|
|
|
|
|
|
//=============================================================================
|
|
} // namespace IsoEx
|
|
//=============================================================================
|
|
#if defined(INCLUDE_TEMPLATES) && !defined(ISOEX_MARCHINGCUBEST_C)
|
|
#define ISOEX_MARCHINGCUBEST_TEMPLATES
|
|
#include "MarchingCubesT.cc"
|
|
#endif
|
|
//=============================================================================
|
|
#endif // ISOEX_MARCHINGCUBEST_HH defined
|
|
//=============================================================================
|
|
|