Mixed decimater framework. More...

#include <OpenMesh/Tools/Decimater/MixedDecimaterT.hh>

Inheritance diagram for OpenMesh::Decimater::MixedDecimaterT< MeshT >:

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Collaboration diagram for OpenMesh::Decimater::MixedDecimaterT< MeshT >:

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Public Types
typedef McDecimaterT< MeshT >	Self

typedef MeshT	Mesh

typedef CollapseInfoT< MeshT >	CollapseInfo

typedef ModBaseT< MeshT >	Module

typedef std::vector< Module * >	ModuleList

typedef ModuleList::iterator	ModuleListIterator

Public Types inherited from OpenMesh::Decimater::McDecimaterT< MeshT >
typedef McDecimaterT< MeshT >	Self

typedef MeshT	Mesh

typedef CollapseInfoT< MeshT >	CollapseInfo

typedef ModBaseT< MeshT >	Module

typedef std::vector< Module * >	ModuleList

typedef ModuleList::iterator	ModuleListIterator

Public Types inherited from OpenMesh::Decimater::BaseDecimaterT< MeshT >
typedef BaseDecimaterT< MeshT >	Self

typedef MeshT	Mesh

typedef CollapseInfoT< MeshT >	CollapseInfo

typedef ModBaseT< MeshT >	Module

typedef std::vector< Module * >	ModuleList

typedef ModuleList::iterator	ModuleListIterator

Public Types inherited from OpenMesh::Decimater::DecimaterT< MeshT >
typedef DecimaterT< MeshT >	Self

typedef MeshT	Mesh

typedef CollapseInfoT< MeshT >	CollapseInfo

typedef ModBaseT< MeshT >	Module

typedef std::vector< Module * >	ModuleList

typedef ModuleList::iterator	ModuleListIterator

typedef Mesh::VertexHandle	VertexHandle

typedef Mesh::HalfedgeHandle	HalfedgeHandle

typedef Utils::HeapT< VertexHandle, HeapInterface >	DeciHeap

Public Member Functions
	MixedDecimaterT (Mesh &_mesh)
	Constructor.

	~MixedDecimaterT ()
	Destructor.

size_t	decimate (const size_t _n_collapses, const float _mc_factor, bool _only_selected=false)
	Decimate (perform _n_collapses collapses). More...

size_t	decimate_to (size_t _n_vertices, const float _mc_factor, bool _only_selected=false)
	Decimate the mesh to a desired target vertex complexity. More...

size_t	decimate_to_faces (const size_t _n_vertices=0, const size_t _n_faces=0, const float _mc_factor=0.8, bool _only_selected=false)
	Attempts to decimate the mesh until a desired vertex or face complexity is achieved. More...

Public Member Functions inherited from OpenMesh::Decimater::McDecimaterT< MeshT >
	McDecimaterT (Mesh &_mesh)
	Constructor.

	~McDecimaterT ()
	Destructor.

size_t	decimate (size_t _n_collapses, bool _only_selected=false)
	Decimate (perform _n_collapses collapses). More...

size_t	decimate_to (size_t _n_vertices, bool _only_selected=false)
	Decimate the mesh to a desired target vertex complexity. More...

size_t	decimate_to_faces (size_t _n_vertices=0, size_t _n_faces=0, bool _only_selected=false)
	Attempts to decimate the mesh until a desired vertex or face complexity is achieved. More...

size_t	decimate_constraints_only (float _factor, bool _only_selected=false)
	Decimate only with constraints, while _factor gives the percentage of the constraints that should be used.

size_t	samples ()

void	set_samples (const size_t _value)

Public Member Functions inherited from OpenMesh::Decimater::BaseDecimaterT< MeshT >
	BaseDecimaterT (Mesh &_mesh)

bool	initialize ()
	Initialize decimater and decimating modules. More...

bool	is_initialized () const
	Returns whether decimater has been successfully initialized.

void	info (std::ostream &_os)
	Print information about modules to _os.

void	set_observer (Observer *_o)
	Add observer. More...

Observer *	observer ()
	Get current observer of a decimater.

Mesh &	mesh ()
	access mesh. used in modules.

template<typename _Module >
bool	add (ModHandleT< _Module > &_mh)
	add module to decimater

template<typename _Module >
bool	remove (ModHandleT< _Module > &_mh)
	remove module

template<typename Module >
Module &	module (ModHandleT< Module > &_mh)
	get module referenced by handle _mh

Public Member Functions inherited from OpenMesh::Decimater::DecimaterT< MeshT >
	DecimaterT (Mesh &_mesh)
	Constructor.

	~DecimaterT ()
	Destructor.

size_t	decimate (size_t _n_collapses=0, bool _only_selected=false)
	Perform a number of collapses on the mesh. More...

size_t	decimate_to (size_t _n_vertices, bool _only_selected=false)
	Decimate the mesh to a desired target vertex complexity. More...

size_t	decimate_to_faces (size_t _n_vertices=0, size_t _n_faces=0, bool _only_selected=false)
	Attempts to decimate the mesh until a desired vertex or face complexity is achieved. More...

Additional Inherited Members
Protected Member Functions inherited from OpenMesh::Decimater::BaseDecimaterT< MeshT >
bool	notify_observer (size_t _n_collapses)
	returns false, if abort requested by observer

void	set_uninitialized ()
	Reset the initialized flag, and clear the bmodules_ and cmodule_.

void	update_modules (CollapseInfo &_ci)

bool	is_collapse_legal (const CollapseInfo &_ci)
	Is an edge collapse legal? Performs topological test only. More...

float	collapse_priority (const CollapseInfo &_ci)
	Calculate priority of an halfedge collapse (using the modules)

void	preprocess_collapse (CollapseInfo &_ci)
	Pre-process a collapse.

void	postprocess_collapse (CollapseInfo &_ci)
	Post-process a collapse.

void	set_error_tolerance_factor (double _factor)
	This provides a function that allows the setting of a percentage of the original constraint of the modules. More...

void	reset ()
	Reset the status of this class. More...

Detailed Description

template<typename MeshT>
class OpenMesh::Decimater::MixedDecimaterT< MeshT >

Mixed decimater framework.

See also: BaseModT, Mesh Decimation Framework

Member Function Documentation

◆ decimate()

template<class Mesh >

size_t OpenMesh::Decimater::MixedDecimaterT< Mesh >::decimate	(	const size_t	_n_collapses,
		const float	_mc_factor,
		bool	_only_selected = `false`
	)

Decimate (perform _n_collapses collapses).

Return number of performed collapses. If _n_collapses is not given reduce as much as possible

Parameters

_n_collapses	Desired number of collapses. If zero (default), attempt to do as many collapses as possible.
_mc_factor	Number between 0 and one defining how much percent of the collapses should be performed by MC Decimater before switching to Fixed decimation
_only_selected	Only consider vertices which are selected for decimation

Returns: Number of collapses that were actually performed.

Note: This operation only marks the removed mesh elements for deletion. In order to actually remove the decimated elements from the mesh, a subsequent call to ArrayKernel::garbage_collection() is required.

◆ decimate_to()

template<typename MeshT >

size_t OpenMesh::Decimater::MixedDecimaterT< MeshT >::decimate_to	(	size_t	_n_vertices,
		const float	_mc_factor,
		bool	_only_selected = `false`
	)

inline

Decimate the mesh to a desired target vertex complexity.

Parameters

_n_vertices	Target complexity, i.e. desired number of remaining vertices after decimation.
_only_selected	Only consider vertices which are selected for decimation
_mc_factor	Number between 0 and one defining how much percent of the collapses should be performed by MC Decimater before switching to Fixed decimation

Returns: Number of collapses that were actually performed.

Note: This operation only marks the removed mesh elements for deletion. In order to actually remove the decimated elements from the mesh, a subsequent call to ArrayKernel::garbage_collection() is required.

◆ decimate_to_faces()

template<class Mesh >

size_t OpenMesh::Decimater::MixedDecimaterT< Mesh >::decimate_to_faces	(	const size_t	_n_vertices = `0`,
		const size_t	_n_faces = `0`,
		const float	_mc_factor = `0.8`,
		bool	_only_selected = `false`
	)

Attempts to decimate the mesh until a desired vertex or face complexity is achieved.

Parameters

_n_vertices	Target vertex complexity.
_n_faces	Target face complexity.
_mc_factor	Number between 0 and one defining how much percent of the collapses should be performed by MC Decimater before switching to Fixed decimation
_only_selected	Only consider vertices which are selected for decimation

Returns: Number of collapses that were actually performed.

Note: Decimation stops as soon as either one of the two complexity bounds is satisfied.; This operation only marks the removed mesh elements for deletion. In order to actually remove the decimated elements from the mesh, a subsequent call to ArrayKernel::garbage_collection() is required.

The documentation for this class was generated from the following files:

OpenMesh/Tools/Decimater/MixedDecimaterT.hh
OpenMesh/Tools/Decimater/MixedDecimaterT_impl.hh

Public Types

Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ decimate()

◆ decimate_to()

◆ decimate_to_faces()