Open CASCADE Technology  7.5.0.beta
Public Member Functions | Protected Member Functions
BVH_Builder< T, N > Class Template Referenceabstract

Performs construction of BVH tree using bounding boxes (AABBs) of abstract objects. More...

#include <BVH_Tree.hxx>

Inheritance diagram for BVH_Builder< T, N >:
Inheritance graph
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Public Member Functions

virtual void Build (BVH_Set< T, N > *theSet, BVH_Tree< T, N > *theBVH, const BVH_Box< T, N > &theBox) const =0
 Builds BVH using specific algorithm. More...
 
- Public Member Functions inherited from BVH_BuilderTransient
Standard_Integer MaxTreeDepth () const
 Returns the maximum depth of constructed BVH. More...
 
Standard_Integer LeafNodeSize () const
 Returns the maximum number of sub-elements in the leaf. More...
 
Standard_Boolean IsParallel () const
 Returns parallel flag. More...
 
void SetParallel (const Standard_Boolean isParallel)
 Set parallel flag contolling possibility of parallel execution. More...
 
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor. More...
 
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing. More...
 
Standard_Transientoperator= (const Standard_Transient &)
 Assignment operator, needed to avoid copying reference counter. More...
 
virtual ~Standard_Transient ()
 Destructor must be virtual. More...
 
virtual void Delete () const
 Memory deallocator for transient classes. More...
 
virtual const opencascade::handle< Standard_Type > & DynamicType () const
 Returns a type descriptor about this object. More...
 
Standard_Boolean IsInstance (const opencascade::handle< Standard_Type > &theType) const
 Returns a true value if this is an instance of Type. More...
 
Standard_Boolean IsInstance (const Standard_CString theTypeName) const
 Returns a true value if this is an instance of TypeName. More...
 
Standard_Boolean 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. More...
 
Standard_Boolean IsKind (const Standard_CString 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. More...
 
Standard_TransientThis () 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. More...
 
Standard_Integer GetRefCount () const
 Get the reference counter of this object. More...
 
void IncrementRefCounter () const
 Increments the reference counter of this object. More...
 
Standard_Integer DecrementRefCounter () const
 Decrements the reference counter of this object; returns the decremented value. More...
 

Protected Member Functions

 BVH_Builder (const Standard_Integer theLeafNodeSize, const Standard_Integer theMaxTreeDepth)
 Creates new abstract BVH builder. More...
 
void updateDepth (BVH_Tree< T, N > *theBVH, const Standard_Integer theLevel) const
 Updates depth of constructed BVH tree. More...
 
- Protected Member Functions inherited from BVH_BuilderTransient
 BVH_BuilderTransient (const Standard_Integer theLeafNodeSize, const Standard_Integer theMaxTreeDepth)
 Creates new abstract BVH builder. More...
 

Additional Inherited Members

- Public Types inherited from Standard_Transient
typedef void base_type
 Returns a type descriptor about this object. More...
 
- Static Public Member Functions inherited from Standard_Transient
static const char * get_type_name ()
 Returns a type descriptor about this object. More...
 
static const opencascade::handle< Standard_Type > & get_type_descriptor ()
 Returns type descriptor of Standard_Transient class. More...
 
- Protected Attributes inherited from BVH_BuilderTransient
Standard_Integer myMaxTreeDepth
 Maximum depth of constructed BVH. More...
 
Standard_Integer myLeafNodeSize
 Maximum number of objects per leaf. More...
 
Standard_Boolean myIsParallel
 Parallel execution flag. More...
 

Detailed Description

template<class T, int N>
class BVH_Builder< T, N >

Performs construction of BVH tree using bounding boxes (AABBs) of abstract objects.

Template Parameters
TNumeric data type
NVector dimension

Constructor & Destructor Documentation

◆ BVH_Builder()

template<class T , int N>
BVH_Builder< T, N >::BVH_Builder ( const Standard_Integer  theLeafNodeSize,
const Standard_Integer  theMaxTreeDepth 
)
inlineprotected

Creates new abstract BVH builder.

Member Function Documentation

◆ Build()

template<class T , int N>
virtual void BVH_Builder< T, N >::Build ( BVH_Set< T, N > *  theSet,
BVH_Tree< T, N > *  theBVH,
const BVH_Box< T, N > &  theBox 
) const
pure virtual

Builds BVH using specific algorithm.

Implemented in BVH_QueueBuilder< T, N >, and BVH_LinearBuilder< T, N >.

◆ updateDepth()

template<class T , int N>
void BVH_Builder< T, N >::updateDepth ( BVH_Tree< T, N > *  theBVH,
const Standard_Integer  theLevel 
) const
inlineprotected

Updates depth of constructed BVH tree.


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