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DecimaterT.hh
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//=============================================================================
//
// CLASS DecimaterT
//
//=============================================================================
#ifndef OPENMESH_DECIMATER_DECIMATERT_HH
#define OPENMESH_DECIMATER_DECIMATERT_HH
//== INCLUDES =================================================================
#include <memory>
#include <OpenMesh/Core/Utils/Property.hh>
#include <OpenMesh/Tools/Utils/HeapT.hh>
#include <OpenMesh/Tools/Decimater/BaseDecimaterT.hh>
//== NAMESPACE ================================================================
namespace OpenMesh {
namespace Decimater {
//== CLASS DEFINITION =========================================================
template < typename MeshT >
class DecimaterT : virtual public BaseDecimaterT<MeshT> //virtual especially for the mixed decimater
{
public: //-------------------------------------------------------- public types
typedef DecimaterT< MeshT > Self;
typedef MeshT Mesh;
typedef CollapseInfoT<MeshT> CollapseInfo;
typedef ModBaseT<MeshT> Module;
typedef std::vector< Module* > ModuleList;
typedef typename ModuleList::iterator ModuleListIterator;
public: //------------------------------------------------------ public methods
explicit DecimaterT( Mesh& _mesh );
~DecimaterT();
public:
size_t decimate( size_t _n_collapses = 0 , bool _only_selected = false);
size_t decimate_to( size_t _n_vertices , bool _only_selected = false)
{
return ( (_n_vertices < this->mesh().n_vertices()) ?
decimate( this->mesh().n_vertices() - _n_vertices , _only_selected ) : 0 );
}
size_t decimate_to_faces( size_t _n_vertices=0, size_t _n_faces=0 , bool _only_selected = false);
public:
typedef typename Mesh::VertexHandle VertexHandle;
typedef typename Mesh::HalfedgeHandle HalfedgeHandle;
class HeapInterface
{
public:
HeapInterface(Mesh& _mesh,
VPropHandleT<float> _prio,
VPropHandleT<int> _pos)
: mesh_(_mesh), prio_(_prio), pos_(_pos)
{ }
inline bool
less( VertexHandle _vh0, VertexHandle _vh1 )
{ return mesh_.property(prio_, _vh0) < mesh_.property(prio_, _vh1); }
inline bool
greater( VertexHandle _vh0, VertexHandle _vh1 )
{ return mesh_.property(prio_, _vh0) > mesh_.property(prio_, _vh1); }
inline int
get_heap_position(VertexHandle _vh)
{ return mesh_.property(pos_, _vh); }
inline void
set_heap_position(VertexHandle _vh, int _pos)
{ mesh_.property(pos_, _vh) = _pos; }
private:
Mesh& mesh_;
VPropHandleT<float> prio_;
VPropHandleT<int> pos_;
};
typedef Utils::HeapT<VertexHandle, HeapInterface> DeciHeap;
private: //---------------------------------------------------- private methods
void heap_vertex(VertexHandle _vh);
private: //------------------------------------------------------- private data
// reference to mesh
Mesh& mesh_;
// heap
#if (defined(_MSC_VER) && (_MSC_VER >= 1800)) || __cplusplus > 199711L || defined( __GXX_EXPERIMENTAL_CXX0X__ )
std::unique_ptr<DeciHeap> heap_;
#else
std::auto_ptr<DeciHeap> heap_;
#endif
// vertex properties
VPropHandleT<HalfedgeHandle> collapse_target_;
VPropHandleT<float> priority_;
VPropHandleT<int> heap_position_;
};
//=============================================================================
} // END_NS_DECIMATER
} // END_NS_OPENMESH
//=============================================================================
#if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_DECIMATER_DECIMATERT_CC)
#define OPENMESH_DECIMATER_TEMPLATES
#include "DecimaterT_impl.hh"
#endif
//=============================================================================
#endif // OPENMESH_DECIMATER_DECIMATERT_HH defined
//=============================================================================
HeapT.hh
A generic heap class.
BaseDecimaterT.hh
DecimaterT_impl.hh
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:59
OpenMesh::VertexHandle
Handle for a vertex entity.
Definition Handles.hh:121
OpenMesh::HalfedgeHandle
Handle for a halfedge entity.
Definition Handles.hh:128
OpenMesh::PolyMeshT::VertexHandle
Kernel::VertexHandle VertexHandle
Handle for referencing the corresponding item.
Definition PolyMeshT.hh:136
OpenMesh::PolyMeshT::HalfedgeHandle
Kernel::HalfedgeHandle HalfedgeHandle
Scalar type.
Definition PolyMeshT.hh:137
OpenMesh::VPropHandleT
Handle representing a vertex property.
Definition Property.hh:417
OpenMesh::Decimater::BaseDecimaterT
Definition BaseDecimaterT.hh:86
OpenMesh::Decimater::BaseDecimaterT::mesh
Mesh & mesh()
access mesh. used in modules.
Definition BaseDecimaterT.hh:138
OpenMesh::Decimater::CollapseInfoT
Stores information about a halfedge collapse.
Definition CollapseInfoT.hh:74
OpenMesh::Decimater::DecimaterT
Decimater framework.
Definition DecimaterT.hh:79
OpenMesh::Decimater::DecimaterT::decimate
size_t decimate(size_t _n_collapses=0, bool _only_selected=false)
Perform a number of collapses on the mesh.
Definition DecimaterT_impl.hh:150
OpenMesh::Decimater::DecimaterT::decimate_to
size_t decimate_to(size_t _n_vertices, bool _only_selected=false)
Decimate the mesh to a desired target vertex complexity.
Definition DecimaterT.hh:121
OpenMesh::Decimater::DecimaterT::HeapInterface
Heap interface.
Definition DecimaterT.hh:149
OpenMesh::Decimater::ModBaseT
Base class for all decimation modules.
Definition ModBaseT.hh:193
OpenMesh::Utils::HeapT
An efficient, highly customizable heap.
Definition HeapT.hh:139