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

Public Member Functions
virtual	~DtHeightMapManager ()
	destructor More...

virtual void	setupHeightMap (void)
	Sets up the height map's resources. More...

virtual void	setHeightMapResolution (float resolution)
	Set the height map resolution in meters per texel. More...

virtual float	heightMapResolution () const
	Gets the meters represented by one texel of the height map. More...

virtual void	setHeightMapTextureSize (int pixels)
	Set the texture size length and width. More...

virtual int	heightMapTextureSize () const
	Get the texture size length and width. More...

virtual bool	updateHeightCamera (unsigned int frameNum, const osg::Vec3d &currentPosition, bool isGeocentric)
	Updates the height map as needed; call once per frame. More...

virtual void	setHeightCameraAttachment (bool enabled)
	Attaches or detaches the height map camera from the scene graph. More...

virtual bool	heightCameraAttached () const
	Returns the height camera attatched state. More...

virtual const osg::Matrix &	heightMapMatrix () const
	Retrieve the matrix to transform world coordinate to texture coords. More...

virtual const osg::ref_ptr < osg::Texture2D >	heightMapTexture () const
	Retrieve the height map itself. More...

virtual void	slot_terrainDataChanged (DtTerrainPatchObject &tpo)
	Handles the terrain data changed signal. More...

virtual void	slot_wireframeModeChanged ()
	Handles the wireframe mode changed signal. More...

virtual osg::Camera *	heightCamera ()
	get the height camera being used by this height map manager More...

virtual void	syncHeightMapToGpu (const osg::State state, const osg::Camera camera)
	Called from DtDrawableUpdateHeightMapJob to sync the height map to the GPU. More...

virtual void	postDrawFBOCallback (osg::RenderInfo &renderInfo)
	Called from DtHeightMapPostDrawFBOCallback for post draw. More...

Protected Member Functions
	DtHeightMapManager (DtDe &de, osg::View *view)
	constructor More...

virtual void	cleanup ()
	clean up this manager, called by the destuctor and the release gl objects for the drawable. More...

virtual void	updateHeightMapMatrix ()
	Helper function for updating the height map matrix. More...

virtual osg::Matrixd	oglRevDepthOrtho (double left, double right, double bottom, double top, double zNear, double zFar)
	get the reverse depth buffer setup for an orthographic camera. used when reverse z is turned on. More...

virtual void	computeBasis (const osg::Vec3d &inGeocentricPos, osg::Matrixd &rotOut)
	Computes a round earth basis rotation matrix for the given geocentric position. More...

Protected Attributes
osg::Vec3d	myLastHeightReferencePos

osg::Matrixd	myHeightReferenceBasis

osg::Vec3d	myLastHeightUpdatePos

unsigned int	myHeightUpdateFrame

bool	myHeightCameraAttached

bool	myHeightMapCameraUpdateReady

bool	myForceUpdate

float	myResolution

bool	mySavedPerfOverlayOn

double	myLastUpdateTime

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

bool	myHeightMapUseReverseZ

DtDe &	myDe

DtSignalConnectionManager	myConnections

osg::View *	myOsgView

Private Member Functions
	DtHeightMapManager ()=delete
	Default Constructor not implemented. More...

	DtHeightMapManager (const DtHeightMapManager &other)=delete
	Copy Constructor not implemented – Copy Not Allowed. More...

DtHeightMapManager &	operator= (const DtHeightMapManager &other)=delete
	Assignment Operator Not implemented � Assignment Not Allowed. More...

Friends
class	DtHeightMapManagerCreator

Detailed Description

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

Constructor & Destructor Documentation

virtual makVrv::DtHeightMapManager::~DtHeightMapManager ( )

virtual

destructor

makVrv::DtHeightMapManager::DtHeightMapManager	(	DtDe &	de,
		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 void makVrv::DtHeightMapManager::setHeightMapResolution ( float resolution )

virtual

Set the height map resolution in meters per texel.

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

virtual

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

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

virtual

Set the texture size length and width.

The pixel value will be

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

virtual

Get the texture size length and width.

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

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::setHeightCameraAttachment ( bool enabled )

virtual

Attaches or detaches the height map camera from the scene graph.

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

virtual

Handles the terrain data changed signal.

virtual void makVrv::DtHeightMapManager::slot_wireframeModeChanged ( )

virtual

Handles the wireframe mode changed signal.

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

virtual

get the height camera being used by this height map manager

virtual void makVrv::DtHeightMapManager::syncHeightMapToGpu	(	const osg::State *	state,
		const osg::Camera *	camera
	)

virtual

Called from DtDrawableUpdateHeightMapJob to sync the height map to the GPU.

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

virtual

Called from DtHeightMapPostDrawFBOCallback for post draw.

virtual void makVrv::DtHeightMapManager::cleanup ( )

protectedvirtual

clean up this manager, called by the destuctor and the release gl objects for the drawable.

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.

Friends And Related Function Documentation

friend class DtHeightMapManagerCreator

friend

Member Data Documentation

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::myHeightCameraAttached

protected

bool makVrv::DtHeightMapManager::myHeightMapCameraUpdateReady

protected

bool makVrv::DtHeightMapManager::myForceUpdate

protected

float makVrv::DtHeightMapManager::myResolution

protected

bool makVrv::DtHeightMapManager::mySavedPerfOverlayOn

protected

double makVrv::DtHeightMapManager::myLastUpdateTime

protected

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

bool makVrv::DtHeightMapManager::myHeightMapUseReverseZ

protected

DtDe& makVrv::DtHeightMapManager::myDe

protected

DtSignalConnectionManager makVrv::DtHeightMapManager::myConnections

protected

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

protected

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

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf4-10-branch/include/vrvOsg/DtHeightMapManager.h

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation