A class to manage automatic periodic updating of a height map generated from the database dynamically.

Inheritance diagram for makVrv::DtHeightMapManager:

Public Member Functions
virtual	~DtHeightMapManager ()

virtual void	setupHeightMap (void)

virtual float	heightMapResolution () const

virtual void	updateHeightCamera (unsigned int frameNum, const osg::Vec3d &currentPosition)

virtual void	enableHeightMapCamera (bool enable)

virtual bool	heightCameraEnabled () const

virtual const osg::Matrix &	heightMapMatrix () const

virtual const osg::ref_ptr < osg::Texture2D >	heightMapTexture () const

virtual osg::Camera *	heightCamera ()

virtual void	postDrawFBOCallback (osg::RenderInfo &renderInfo)

virtual bool	heightMapChanged (void) const

virtual const osg::View *	osgView (void) const

Public Member Functions inherited from makVrv::DtKeyedDataUserData
	DtKeyedDataUserData (DtDe &de, const std::string &name)

virtual	~DtKeyedDataUserData ()

Protected Member Functions
	DtHeightMapManager (DtDe &de, const std::string &name, osg::View *&view)

virtual void	clearHeightmap ()

virtual void	updateHeightMapMatrix ()

virtual osg::Matrixd	oglRevDepthOrtho (double left, double right, double bottom, double top, double zNear, double zFar)

virtual void	computeBasis (const osg::Vec3d &inGeocentricPos, osg::Matrixd &rotOut)

virtual void	slot_oceanHeightMapTextureSizeChanged (int pixels)

virtual void	slot_oceanHeightMapResolutionChanged (float resolution)

virtual void	slot_terrainDataChanged (DtTerrainPatchObject &tpo)

virtual void	slot_wireframeModeChanged ()

virtual void	slot_coordinateSystemChanged ()

virtual int	heightMapTextureSize () const

virtual void	slot_preTick (void)

Protected Attributes
friend	DtHeightMapManagerCreator

osg::Vec3d	myLastHeightReferencePos

osg::Matrixd	myHeightReferenceBasis

osg::Vec3d	myLastHeightUpdatePos

unsigned int	myHeightUpdateFrame

bool	myForceUpdate

float	myResolution

bool	mySavedPerfOverlayOn

double	myLastUpdateTime

const bool	myShadingRateIsSupported

osg::ref_ptr< osg::Texture2D >	myHeightMap

osg::ref_ptr< osg::Texture2D >	myDepthTexture

osg::Matrix	myHeightMapMatrix

int	myHeightMapDimension

osg::ref_ptr< osg::Camera >	myHeightCamera

DtSignalConnectionManager	myConnections

osg::View *	myOsgView

DtCoordinateSystem *	myCoordinateSystem = nullptr

bool	myHeightMapChanged = false

const unsigned int	myHeightCameraNodeMask

Protected Attributes inherited from makVrv::DtKeyedDataUserData
DtDe &	myDe

const std::string	myName

Private Member Functions
	DtHeightMapManager ()=delete

	DtHeightMapManager (const DtHeightMapManager &other)=delete

DtHeightMapManager &	operator= (const DtHeightMapManager &other)=delete

Additional Inherited Members
Static Protected Attributes inherited from makVrv::DtKeyedDataUserData
static std::atomic< int >	theCount

Constructor & Destructor Documentation

virtual makVrv::DtHeightMapManager::~DtHeightMapManager ( )

virtual

destructor

makVrv::DtHeightMapManager::DtHeightMapManager	(	DtDe &	de,
		const std::string &	name,
		osg::View *&	view
	)

protected

constructor

makVrv::DtHeightMapManager::DtHeightMapManager ( )

privatedelete

Default Constructor not implemented.

makVrv::DtHeightMapManager::DtHeightMapManager ( const DtHeightMapManager & other )

privatedelete

Copy Constructor not implemented – Copy Not Allowed.

Member Function Documentation

DtHeightMapManager& makVrv::DtHeightMapManager::operator= ( const DtHeightMapManager & other )

privatedelete

Assignment Operator Not implemented � Assignment Not Allowed.

virtual void makVrv::DtHeightMapManager::setupHeightMap ( void )

virtual

Sets up the height map's resources.

virtual float makVrv::DtHeightMapManager::heightMapResolution ( ) const

virtual

Gets the meters represented by one texel of the height map.

virtual void makVrv::DtHeightMapManager::updateHeightCamera	(	unsigned int	frameNum,
		const osg::Vec3d &	currentPosition
	)

virtual

Updates the height map as needed; call once per frame. Returns true if there is a new height map ready.

virtual void makVrv::DtHeightMapManager::enableHeightMapCamera ( bool enable )

virtual

enable/disable height map camera

virtual bool makVrv::DtHeightMapManager::heightCameraEnabled ( ) const

virtual

Returns the height camera attatched state.

virtual const osg::Matrix& makVrv::DtHeightMapManager::heightMapMatrix ( ) const

virtual

Retrieve the matrix to transform world coordinate to texture coords.

virtual const osg::ref_ptr<osg::Texture2D> makVrv::DtHeightMapManager::heightMapTexture ( ) const

virtual

Retrieve the height map itself.

virtual osg::Camera* makVrv::DtHeightMapManager::heightCamera ( )

virtual

get the height camera being used by this height map manager

virtual void makVrv::DtHeightMapManager::postDrawFBOCallback ( osg::RenderInfo & renderInfo )

virtual

Called from DtHeightMapPostDrawFBOCallback for post draw.

virtual bool makVrv::DtHeightMapManager::heightMapChanged ( void ) const

virtual

Returns whether the height map changed this tick.

virtual const osg::View* makVrv::DtHeightMapManager::osgView ( void ) const

virtual

view for the camera

virtual void makVrv::DtHeightMapManager::clearHeightmap ( )

protectedvirtual

clean up this manager, called via destructor and slot_oceanHeightMapTextureSizeChanged

virtual void makVrv::DtHeightMapManager::updateHeightMapMatrix ( )

protectedvirtual

Helper function for updating the height map matrix.

virtual osg::Matrixd makVrv::DtHeightMapManager::oglRevDepthOrtho	(	double	left,
		double	right,
		double	bottom,
		double	top,
		double	zNear,
		double	zFar
	)

protectedvirtual

get the reverse depth buffer setup for an orthographic camera. used when reverse z is turned on.

virtual void makVrv::DtHeightMapManager::computeBasis	(	const osg::Vec3d &	inGeocentricPos,
		osg::Matrixd &	rotOut
	)

protectedvirtual

Computes a round earth basis rotation matrix for the given geocentric position.

Parameters

inGeocentricPos	The geocentric reference position.
rotOut	The computed basis rotation transform.

virtual void makVrv::DtHeightMapManager::slot_oceanHeightMapTextureSizeChanged ( int pixels )

protectedvirtual

Set the texture size length and width. The pixel value will be.

virtual void makVrv::DtHeightMapManager::slot_oceanHeightMapResolutionChanged ( float resolution )

protectedvirtual

slot for when ocean height map resolution changes

virtual void makVrv::DtHeightMapManager::slot_terrainDataChanged ( DtTerrainPatchObject & tpo )

protectedvirtual

Handles the terrain data changed signal.

virtual void makVrv::DtHeightMapManager::slot_wireframeModeChanged ( )

protectedvirtual

Handles the wireframe mode changed signal.

virtual void makVrv::DtHeightMapManager::slot_coordinateSystemChanged ( )

protectedvirtual

slot for when the coordinate system changes

virtual int makVrv::DtHeightMapManager::heightMapTextureSize ( ) const

protectedvirtual

Get the texture size length and width.

virtual void makVrv::DtHeightMapManager::slot_preTick ( void )

protectedvirtual

clears the height map changed status

Member Data Documentation

friend makVrv::DtHeightMapManager::DtHeightMapManagerCreator

protected

osg::Vec3d makVrv::DtHeightMapManager::myLastHeightReferencePos

protected

osg::Matrixd makVrv::DtHeightMapManager::myHeightReferenceBasis

protected

osg::Vec3d makVrv::DtHeightMapManager::myLastHeightUpdatePos

protected

unsigned int makVrv::DtHeightMapManager::myHeightUpdateFrame

protected

bool makVrv::DtHeightMapManager::myForceUpdate

protected

float makVrv::DtHeightMapManager::myResolution

protected

bool makVrv::DtHeightMapManager::mySavedPerfOverlayOn

protected

double makVrv::DtHeightMapManager::myLastUpdateTime

protected

const bool makVrv::DtHeightMapManager::myShadingRateIsSupported

protected

osg::ref_ptr<osg::Texture2D> makVrv::DtHeightMapManager::myHeightMap

protected

osg::ref_ptr<osg::Texture2D> makVrv::DtHeightMapManager::myDepthTexture

protected

osg::Matrix makVrv::DtHeightMapManager::myHeightMapMatrix

protected

int makVrv::DtHeightMapManager::myHeightMapDimension

protected

osg::ref_ptr<osg::Camera> makVrv::DtHeightMapManager::myHeightCamera

protected

DtSignalConnectionManager makVrv::DtHeightMapManager::myConnections

protected

osg::View* makVrv::DtHeightMapManager::myOsgView

protected

DtCoordinateSystem* makVrv::DtHeightMapManager::myCoordinateSystem = nullptr

protected

local clone of the system wide coordinate system. for thread safety.

bool makVrv::DtHeightMapManager::myHeightMapChanged = false

protected

const unsigned int makVrv::DtHeightMapManager::myHeightCameraNodeMask

protected

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

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf5-1-branch/include/vrvOsg/DtHeightMapManager.h

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation