Set of OpenGl_Structures for building BVH tree. More...

#include <Graphic3d_BvhCStructureSet.hxx>

Inheritance diagram for Graphic3d_BvhCStructureSet:

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Public Member Functions
	Graphic3d_BvhCStructureSet ()
	Creates an empty primitive set for BVH clipping.

int	Size () const override
	Returns total number of structures.

Graphic3d_BndBox3d	Box (const int theIdx) const override
	Returns AABB of the structure.

double	Center (const int theIdx, const int theAxis) const override
	Calculates center of the AABB along given axis.

void	Swap (const int theIdx1, const int theIdx2) override
	Swaps structures with the given indices.

bool	Add (const Graphic3d_CStructure *theStruct)
	Adds structure to the set.

bool	Remove (const Graphic3d_CStructure *theStruct)
	Removes the given structure from the set.

void	Clear ()
	Cleans the whole primitive set.

const Graphic3d_CStructure *	GetStructureById (int theId)
	Returns the structure corresponding to the given ID.

const NCollection_IndexedMap< const Graphic3d_CStructure * > &	Structures () const
	Access directly a collection of structures.

Public Member Functions inherited from BVH_PrimitiveSet< double, 3 >
	BVH_PrimitiveSet ()
	Creates set of abstract primitives.

	BVH_PrimitiveSet (const opencascade::handle< BVH_Builder< double, N > > &theBuilder)
	Creates set of abstract primitives.

	~BVH_PrimitiveSet () override
	Releases resources of set of abstract primitives.

BVH_Box< double, N >	Box () const override
	Returns AABB of primitive set.

virtual const opencascade::handle< BVH_Tree< double, N > > &	BVH ()
	Returns BVH tree (and builds it if necessary).

virtual const opencascade::handle< BVH_Builder< double, N > > &	Builder () const
	Returns the method (builder) used to construct BVH.

virtual void	SetBuilder (const opencascade::handle< BVH_Builder< double, N > > &theBuilder)
	Sets the method (builder) used to construct BVH.

Public Member Functions inherited from BVH_Object< T, N >
	BVH_Object ()=default
	Creates new abstract geometric object.

	~BVH_Object () override=default
	Releases resources of geometric object.

Public Member Functions inherited from BVH_ObjectTransient
virtual const occ::handle< BVH_Properties > &	Properties () const
	Returns properties of the geometric object.

virtual void	SetProperties (const occ::handle< BVH_Properties > &theProperties)
	Sets properties of the geometric object.

virtual bool	IsDirty () const
	Returns TRUE if object state should be updated.

virtual void	MarkDirty ()
	Marks object state as outdated (needs BVH rebuilding).

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor.

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing.

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter.

virtual	~Standard_Transient ()=default
	Destructor must be virtual.

virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object.

bool	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type.

bool	IsInstance (const char *const theTypeName) const
	Returns a true value if this is an instance of TypeName.

bool	IsKind (const opencascade::handle< Standard_Type > &theType) const
	Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism.

bool	IsKind (const char *const theTypeName) const
	Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism.

Standard_Transient *	This () const
	Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero.

int	GetRefCount () const noexcept
	Get the reference counter of this object.

void	IncrementRefCounter () noexcept
	Increments the reference counter of this object. Uses relaxed memory ordering since incrementing only requires atomicity, not synchronization with other memory operations.

int	DecrementRefCounter () noexcept
	Decrements the reference counter of this object; returns the decremented value. Uses release ordering for the decrement to ensure all writes to the object are visible before the count reaches zero. An acquire fence is added only when the count reaches zero, ensuring proper synchronization before deletion. This is more efficient than using acq_rel for every decrement.

virtual void	Delete () const
	Memory deallocator for transient classes.

Public Member Functions inherited from BVH_Set< T, N >
	BVH_Set ()=default
	Creates new abstract set of objects.

virtual	~BVH_Set ()=default
	Releases resources of set of objects.

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object.

Public Types inherited from BVH_Set< T, N >
typedef BVH_Box< T, N >	BVH_BoxNt

Static Public Member Functions inherited from Standard_Transient
static constexpr const char *	get_type_name ()
	Returns a type descriptor about this object.

static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class.

Static Public Attributes inherited from BVH_PrimitiveSet< double, 3 >
static const int	MaxTreeDepth

Protected Member Functions inherited from BVH_PrimitiveSet< double, 3 >
virtual void	Update ()
	Updates BVH of primitive set.

Protected Member Functions inherited from BVH_ObjectTransient
	BVH_ObjectTransient ()
	Creates new abstract geometric object.

Protected Attributes inherited from BVH_PrimitiveSet< double, 3 >
opencascade::handle< BVH_Tree< double, N > >	myBVH
	Constructed bottom-level BVH.

opencascade::handle< BVH_Builder< double, N > >	myBuilder
	Builder for bottom-level BVH.

BVH_Box< double, N >	myBox
	Cached bounding box of geometric primitives.

Protected Attributes inherited from BVH_ObjectTransient
bool	myIsDirty
	Marks internal object state as outdated.

occ::handle< BVH_Properties >	myProperties
	Generic properties assigned to the object.

Detailed Description

Set of OpenGl_Structures for building BVH tree.

Constructor & Destructor Documentation

◆ Graphic3d_BvhCStructureSet()

Graphic3d_BvhCStructureSet::Graphic3d_BvhCStructureSet ( )

Creates an empty primitive set for BVH clipping.

Member Function Documentation

◆ Add()

bool Graphic3d_BvhCStructureSet::Add ( const Graphic3d_CStructure * theStruct )

Adds structure to the set.

Returns: true if structure added, otherwise returns false (structure already in the set).

◆ Box()

Graphic3d_BndBox3d Graphic3d_BvhCStructureSet::Box ( const int theIdx ) const

overridevirtual

Returns AABB of the structure.

Implements BVH_Set< T, N >.

◆ Center()

double Graphic3d_BvhCStructureSet::Center	(	const int	theIdx,
		const int	theAxis ) const

overridevirtual

Calculates center of the AABB along given axis.

Implements BVH_Set< T, N >.

◆ Clear()

void Graphic3d_BvhCStructureSet::Clear ( )

Cleans the whole primitive set.

◆ GetStructureById()

const Graphic3d_CStructure * Graphic3d_BvhCStructureSet::GetStructureById ( int theId )

Returns the structure corresponding to the given ID.

◆ Remove()

bool Graphic3d_BvhCStructureSet::Remove ( const Graphic3d_CStructure * theStruct )

Removes the given structure from the set.

Returns: true if structure removed, otherwise returns false (structure is not in the set).

◆ Size()

int Graphic3d_BvhCStructureSet::Size ( ) const

overridevirtual

Returns total number of structures.

Implements BVH_Set< T, N >.

◆ Structures()

const NCollection_IndexedMap< const Graphic3d_CStructure * > & Graphic3d_BvhCStructureSet::Structures ( ) const

inline

Access directly a collection of structures.

◆ Swap()

void Graphic3d_BvhCStructureSet::Swap	(	const int	theIdx1,
		const int	theIdx2 )

overridevirtual

Swaps structures with the given indices.

Implements BVH_Set< T, N >.

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

Graphic3d_BvhCStructureSet.hxx

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Graphic3d_BvhCStructureSet()

Member Function Documentation

◆ Add()

◆ Box()

◆ Center()

◆ Clear()

◆ GetStructureById()

◆ Remove()

◆ Size()

◆ Structures()

◆ Swap()