makVrv::DtTritonHeightMapManager Class Reference

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

Public Member Functions
	DtTritonHeightMapManager (makVrv::DtDe &de, DtTritonDrawable *parentDrawable, osg::View *view)
virtual	~DtTritonHeightMapManager ()
void	setupHeightMap (void)
	Sets up the height map's resources.
void	setHeightMapResolution (float resolution)
	Set the height map resolution in meters per texel.
float	getHeightMapResolution () const
	Gets the meters represented by one texel of the height map.
void	setHeightMapTextureSize (int pixels)
	Set the texture size length and width.
int	heightMapTextureSize () const
	Get the texture size length and width.
bool	updateHeightCamera (unsigned int frameNum, const osg::Vec3 &currentPosition, bool isGeocentric)
	Updates the height map as needed; call once per frame.
void	setHeightCameraAttachment (bool enabled)
	Attaches or detaches the height map camera from the scene graph.
const osg::Matrix &	getHeightMapMatrix ()
	Retrieve the matrix to transform world coordinate to texture coords.
const osg::ref_ptr < osg::Texture2D >	getHeightMapTexture ()
	Retrieve the height map itself.
void	forceUpdate ()
	Force a height map update on the next frame.

Protected Member Functions
void	cleanup ()
osg::Matrixd	oglRevDepthOrtho (double left, double right, double bottom, double top, double zNear, double zFar)

Protected Attributes
osg::Vec3	myLastHeightUpdatePos
unsigned int	myHeightUpdateFrame
bool	myHeightCameraAttached
bool	myForceUpdate
float	myResolution
bool	mySavedPerfOverlayOn
double	myLastUpdateTime
osg::ref_ptr< osg::Texture2D >	myHeightMap
osg::ref_ptr< osg::Texture2D >	myDepthTexture
osg::Matrix	myHeightMapMatrix
int	myHeightMapDimension
osg::ref_ptr< osg::Camera >	myHeightCamera
makVrv::DtDe &	myDe
DtTritonDrawable *	myDrawable
DtSignalConnectionManager	myConnections
osg::View *	myOsgView

Detailed Description

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

Constructor & Destructor Documentation

makVrv::DtTritonHeightMapManager::DtTritonHeightMapManager	(	makVrv::DtDe &	de,
		DtTritonDrawable *	parentDrawable,
		osg::View *	view
	)

virtual makVrv::DtTritonHeightMapManager::~DtTritonHeightMapManager ( )

virtual

Member Function Documentation

void makVrv::DtTritonHeightMapManager::setupHeightMap

(

void

)

Sets up the height map's resources.

void makVrv::DtTritonHeightMapManager::setHeightMapResolution

(

float

resolution

)

Set the height map resolution in meters per texel.

float makVrv::DtTritonHeightMapManager::getHeightMapResolution

(

)

const

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

void makVrv::DtTritonHeightMapManager::setHeightMapTextureSize

(

int

pixels

)

Set the texture size length and width.

The pixel value will be

int makVrv::DtTritonHeightMapManager::heightMapTextureSize

(

)

const

Get the texture size length and width.

bool makVrv::DtTritonHeightMapManager::updateHeightCamera	(	unsigned int	frameNum,
		const osg::Vec3 &	currentPosition,
		bool	isGeocentric
	)

Updates the height map as needed; call once per frame.

Returns true if there is a new height map ready.

void makVrv::DtTritonHeightMapManager::setHeightCameraAttachment

(

bool

enabled

)

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

const osg::Matrix& makVrv::DtTritonHeightMapManager::getHeightMapMatrix ( )

inline

Retrieve the matrix to transform world coordinate to texture coords.

References myHeightMapMatrix.

const osg::ref_ptr<osg::Texture2D> makVrv::DtTritonHeightMapManager::getHeightMapTexture ( )

inline

Retrieve the height map itself.

References myHeightMap.

void makVrv::DtTritonHeightMapManager::forceUpdate ( )

inline

Force a height map update on the next frame.

References myForceUpdate.

void makVrv::DtTritonHeightMapManager::cleanup ( )

protected

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

protected

Member Data Documentation

osg::Vec3 makVrv::DtTritonHeightMapManager::myLastHeightUpdatePos

protected

unsigned int makVrv::DtTritonHeightMapManager::myHeightUpdateFrame

protected

bool makVrv::DtTritonHeightMapManager::myHeightCameraAttached

protected

bool makVrv::DtTritonHeightMapManager::myForceUpdate

protected

Referenced by forceUpdate().

float makVrv::DtTritonHeightMapManager::myResolution

protected

bool makVrv::DtTritonHeightMapManager::mySavedPerfOverlayOn

protected

double makVrv::DtTritonHeightMapManager::myLastUpdateTime

protected

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

protected

Referenced by getHeightMapTexture().

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

protected

osg::Matrix makVrv::DtTritonHeightMapManager::myHeightMapMatrix

protected

Referenced by getHeightMapMatrix().

int makVrv::DtTritonHeightMapManager::myHeightMapDimension

protected

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

protected

makVrv::DtDe& makVrv::DtTritonHeightMapManager::myDe

protected

DtTritonDrawable* makVrv::DtTritonHeightMapManager::myDrawable

protected

DtSignalConnectionManager makVrv::DtTritonHeightMapManager::myConnections

protected

osg::View* makVrv::DtTritonHeightMapManager::myOsgView

protected

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

• /exports/nfedora7-1/nightly/docs/vrforcesDevelopment.tot/include/vrvTriton/DtTritonHeightMapManager.h