Class implementing the BasicGrid interface. More...

#include <HashVoxelGrid.h>

Inheritance diagram for agxTerrain::HashVoxelGrid:

Public Types
using	VoxelHashType = agx::HashTable< agx::Vec3i, float >

Public Types inherited from agxTerrain::BasicGrid
using	GridCoord = agx::Vec3i

using	GridCoordVector = agx::VectorPOD< GridCoord >

using	GridFunction = std::function< void(GridCoord, float)>

Public Member Functions
	HashVoxelGrid (float defaultValue, agx::Real voxelSize)

	~HashVoxelGrid ()

	AGXSTREAM_DECLARE_SERIALIZABLE_BASE (agxTerrain::HashVoxelGrid)

virtual void	clearGrid () override
	Clear the grid.

virtual bool	empty () override
	Test if the trid is empty.

virtual agx::HashSet< agx::Vec3i >	findGeometryVoxelIntersections (const agx::AffineMatrix4x4 &gridTransform, const agxCollide::Geometry *geometry, agx::Real voxelSize, bool onlyOccupiedVoxels=true, bool onlyMidPoint=false) const override
	Find which voxels that overlap with a geometry.

virtual GridCoordVector	getActiveVoxelIndices () const override

virtual agx::Vec3	getElementSize () const override
	Get the element size used for the voxel grid.

virtual float	getFloatValue (const GridCoord &ijk) const override
	Return value for voxel ijk.

virtual size_t	getMemoryUsage () const override
	Get the memory usage.

virtual size_t	getNumActiveVoxels () const override
	Return number of active voxels in the data structure.

virtual agx::Real	getTotal () const override
	Returns the sum of all voxel values.

virtual std::tuple< float, float >	getTotalAndLargest () const override

virtual bool	hasIterateSupport () const override

virtual bool	isActiveVoxel (const GridCoord &ijk) const override
	Test if voxel ijk is active.

virtual void	iterateVoxels (GridFunction) const override

virtual void	setFloatValue (const GridCoord &ijk, float value) override
	Set value for voxel ijk.

virtual void	sizeHint (size_t hint) override
	Provide the implementation with a hint about the estimated number of voxels that are needed.

Public Member Functions inherited from agxTerrain::BasicGrid
	AGXSTREAM_DECLARE_ABSTRACT_SERIALIZABLE (agxTerrain::BasicGrid)

virtual void	clearGrid ()=0
	Clear the grid.

virtual bool	empty ()=0
	Test if the trid is empty.

virtual agx::HashSet< agx::Vec3i >	findGeometryVoxelIntersections (const agx::AffineMatrix4x4 &gridTransform, const agxCollide::Geometry *geometry, agx::Real voxelSize, bool onlyOccupiedVoxels=true, bool onlyMidPoint=false) const =0
	Find which voxels that overlap with a geometry.

virtual GridCoordVector	getActiveVoxelIndices () const =0

virtual agx::Vec3	getElementSize () const =0
	Get the element size used for the voxel grid.

virtual float	getFloatValue (const GridCoord &ijk) const =0
	Return value for voxel ijk.

virtual size_t	getMemoryUsage () const =0
	Get the memory usage.

virtual size_t	getNumActiveVoxels () const =0
	Return number of active voxels in the data structure.

virtual agx::Real	getTotal () const =0
	Returns the sum of all voxel values.

virtual std::tuple< float, float >	getTotalAndLargest () const =0

virtual bool	hasIterateSupport () const

virtual bool	isActiveVoxel (const GridCoord &) const =0
	Test if voxel ijk is active.

virtual void	iterateVoxels (GridFunction) const

void	restore (agxStream::InputArchive &in) override=0

virtual void	setFloatValue (const GridCoord &ijk, float value)=0
	Set value for voxel ijk.

virtual void	sizeHint (size_t)
	Provide the implementation with a hint about the estimated number of voxels that are needed.

void	store (agxStream::OutputArchive &out) const override=0

Public Member Functions inherited from agx::Referenced
	Referenced ()
	Default constructor.

	Referenced (const Referenced &)

template<typename T >
T *	as ()
	Subclass casting.

template<typename T >
const T *	as () const

template<typename T >
T *	asSafe ()
	Safe subclass casting, return nullptr if template type does not match.

template<typename T >
const T *	asSafe () const

int	getReferenceCount () const

template<typename T >
bool	is () const
	Subclass test.

Referenced &	operator= (const Referenced &)
	Assignment operator. Will increment the number of references to the referenced object.

void	reference (void *ptr=nullptr) const
	Explicitly increment the reference count by one, indicating that this object has another pointer which is referencing it.

void	unreference (void *ptr=nullptr) const
	Decrement the reference count by one, indicating that a pointer to this object is referencing it.

void	unreference_nodelete () const
	Decrement the reference count by one, indicating that a pointer to this object is referencing it.

Public Member Functions inherited from agxStream::Serializable
virtual	~Serializable ()
	Destructor for normal C++ use but hidden from SWIG bindings.

virtual const char *	getClassName () const

bool	getEnableSerialization () const

bool	getEnableUuidGeneration ()

agx::UInt32	getIndex () const
	This index is given at creation of this object.

virtual StorageAgent *	getStorageAgent () const =0

agx::Uuid	getUuid () const

bool	isFinished () const

void	setEnableSerialization (bool flag)
	Set to false to disable serialization of this object.

void	setFinished ()
	Tells this class that it is restored correctly and should not be deleted during destruction of an Archive.

void	setUuid (const agx::Uuid &uuid)
	Explicitly set a Uuid on a serializable object.

Static Public Member Functions
static agxStream::Serializable *	create (agxStream::InputArchive &)

Static Public Member Functions inherited from agx::Referenced
template<typename T >
static bool	ValidateCast (const Referenced *object)

Static Public Member Functions inherited from agxStream::Serializable
static void	setEnableUuidGeneration (bool flag)
	Specify if there should be UUID:s generated for each new Serializable object. By default it is enabled.

Protected Member Functions
	HashVoxelGrid ()

Protected Member Functions inherited from agxTerrain::BasicGrid
agx::Vec3	getGridPositionFromVoxelIndex (const agx::Vec3i &voxelIndex) const

agx::Vec3i	getVoxelIndexFromGridPosition (agx::Vec3 position) const

Protected Member Functions inherited from agx::Referenced
virtual	~Referenced ()
	Destructor.

void	allocateObserverVector () const

void	deleteUsingDeleteHandler () const

Protected Member Functions inherited from agxStream::Serializable
	Serializable ()
	Default constructor.

	Serializable (const Serializable &other)
	Copy constructor.

void	generateUuid ()

Additional Inherited Members
Static Protected Member Functions inherited from agx::Referenced
static DeleteHandler *	getDeleteHandler ()

static void	setDeleteHandler (DeleteHandler *handler)
	Internal: Set a DeleteHandler to which deletion of all referenced counted objects will be delegated to.

Protected Attributes inherited from agx::Referenced
Mutex	m_mutex

ObserverContainer	m_observers

AtomicValue	m_refCount

Detailed Description

Class implementing the BasicGrid interface.

Definition at line 27 of file HashVoxelGrid.h.

Member Typedef Documentation

◆ VoxelHashType

using agxTerrain::HashVoxelGrid::VoxelHashType = agx::HashTable< agx::Vec3i, float >

Definition at line 30 of file HashVoxelGrid.h.

Constructor & Destructor Documentation

◆ HashVoxelGrid() [1/2]

agxTerrain::HashVoxelGrid::HashVoxelGrid	(	float	defaultValue,
		agx::Real	voxelSize
	)

◆ ~HashVoxelGrid()

agxTerrain::HashVoxelGrid::~HashVoxelGrid ( )

◆ HashVoxelGrid() [2/2]

agxTerrain::HashVoxelGrid::HashVoxelGrid ( )

protected

Member Function Documentation

◆ AGXSTREAM_DECLARE_SERIALIZABLE_BASE()

agxTerrain::HashVoxelGrid::AGXSTREAM_DECLARE_SERIALIZABLE_BASE ( agxTerrain::HashVoxelGrid )

◆ clearGrid()

virtual void agxTerrain::HashVoxelGrid::clearGrid ( )

overridevirtual

Clear the grid.

Implements agxTerrain::BasicGrid.

◆ create()

static agxStream::Serializable * agxTerrain::HashVoxelGrid::create ( agxStream::InputArchive & )

inlinestatic

Definition at line 71 of file HashVoxelGrid.h.

◆ empty()

virtual bool agxTerrain::HashVoxelGrid::empty ( )

overridevirtual

Test if the trid is empty.

Implements agxTerrain::BasicGrid.

◆ findGeometryVoxelIntersections()

virtual agx::HashSet< agx::Vec3i > agxTerrain::HashVoxelGrid::findGeometryVoxelIntersections	(	const agx::AffineMatrix4x4 &	gridTransform,
		const agxCollide::Geometry *	geometry,
		agx::Real	voxelSize,
		bool	onlyOccupiedVoxels = `true`,
		bool	onlyMidPoint = `false`
	)		const