The osg cull vistor parameters class provides additional culling and intersector parameters for choosing the LOD, and cull operations.

Inheritance diagram for makVrv::DtOsgCullVisitorParameters:

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Public Member Functions
	DtOsgCullVisitorParameters ()

void	setLodScaleFactor (double sf)

double	lodScaleFactor () const

void	setCameraResolution (double factor)

double	cameraResolution () const

void	setCameraVelocity (double x, double y, double z)

const osg::Vec3d &	cameraVelocity () const

void	setTerrainRadius (double rad)

void	setAltitude2D (double altitude)

double	altitude2D () const

unsigned int	modelSet () const

void	setModelSet (unsigned int modelSet)

double	terrainRadius () const

void	setOrthoCulling (bool ortho)

bool	orthoCulling () const

void	setSkyRendering (bool renderSky)

bool	skyRendering () const

void	setDynamicLights (bool enabled)

bool	dynamicLights () const

void	setDynamicOcean (bool enabled)

bool	dynamicOcean () const

void	setCameraAboveWater (bool aboveWater)

bool	cameraAboveWater () const

void	setScaling (bool scaling)

bool	scaling () const

void	setCoordinateSystemChanged (bool changed)

bool	coordinateSystemChanged () const

void	setModelScaler (DtModelScaler *scaler)

DtModelScaler *	findModelScaler () const

double	calculateModelScale (const osg::Camera &camera, const osg::Node &node) const

void	setClampedPixelSize (double d)

double	clampedPixelSize () const

void	setDynamicWaterVisibilityEnable (bool enable)

bool	dynamicWaterVisibilityEnable () const

void	setDynamicWaterVisibilityMax (double visMax)

double	dynamicWaterVisibilityMax () const

void	setTerrainMagnificationScaleFactor (float factor)

float	terrainMagnificationScaleFactor () const

void	setTerrainMagnificationHighLodAngle (float radians)

float	terrainMagnificationHighLodAngle () const

void	setIncludeLightPoints (bool flag)

bool	includeLightPoints () const

float	currentTraversalScaleFactor ()

void	setCurrentTraversalScaleFactor (float currentScaleFactor)

void	setIndirectDistanceScaleEnabled (bool enabled)

bool	indirectDistanceScaleEnabled () const

void	setIndirectDistanceScale (float scale)

float	indirectDistanceScale () const

void	setChannelLodScale (float scale)

float	channelLodScale ()

void	setFocusPoints (std::vector< osg::Vec3d > &points)

std::vector< osg::Vec3d > &	focusPoints ()

void	setFocusPointEnabled (bool enable)

bool	focusPointEnabled ()

virtual DtIndirectModelScalingAlgorithm	indirectModelScalingAlgorithm (void) const

Protected Attributes
double	myLodScaleFactor

double	myCameraResolution

double	myTerrainRadius

double	myAltitude2D

bool	mySkyFlag

bool	myDynamicLightsFlag

bool	myDynamicOceanFlag

bool	myCameraAboveWater

bool	myOrthoFlag

bool	myScalingFlag

double	myClampedPixelSize

bool	myCoordinateSystemChanged

bool	myDynamicWaterVisibilityEnable

double	myDynamicWaterVisibilityMax

osg::ref_ptr< DtModelScaler >	myModelScaler

float	myTerrainMagnificationScaleFactor

float	myTerrainMagnificationHighLodAngle

osg::Vec3d	myCameraVelocity

unsigned int	myModelSet

bool	myIncludeLightPoints

float	myCurrentScaleFactor

bool	myIndirectDistScaleEnabled

float	myIndirectDistScale

std::vector< osg::Vec3d >	myFocusPoints

float	myChannelLodScale

bool	myFocusPointEnabled

Constructor & Destructor Documentation

makVrv::DtOsgCullVisitorParameters::DtOsgCullVisitorParameters ( )

inline

CTOR.

Member Function Documentation

void makVrv::DtOsgCullVisitorParameters::setLodScaleFactor ( double sf )

inline

Set the LOD scale factor that affects LODing and paging; this is the product of the channels LOD scale and view magnification.

double makVrv::DtOsgCullVisitorParameters::lodScaleFactor ( ) const

inline

Return the current LOD scale factor.

void makVrv::DtOsgCullVisitorParameters::setCameraResolution ( double factor )

inline

Set the zoom factor that effects LODing.

double makVrv::DtOsgCullVisitorParameters::cameraResolution ( ) const

inline

Get the zoom factor.

void makVrv::DtOsgCullVisitorParameters::setCameraVelocity	(	double	x,
		double	y,
		double	z
	)

inline

Set the camera velocity.

const osg::Vec3d& makVrv::DtOsgCullVisitorParameters::cameraVelocity ( ) const

inline

Get the camera velocity.

void makVrv::DtOsgCullVisitorParameters::setTerrainRadius ( double rad )

inline

Set the terrain radius.

void makVrv::DtOsgCullVisitorParameters::setAltitude2D ( double altitude )

inline

Set the (implied) altitude when orthoCulling.

double makVrv::DtOsgCullVisitorParameters::altitude2D ( ) const

inline

Return the (implied) 2D altitude.

unsigned int makVrv::DtOsgCullVisitorParameters::modelSet ( void ) const

inline

Get the model set currently being rendered.

void makVrv::DtOsgCullVisitorParameters::setModelSet ( unsigned int modelSet )

inline

Set the model set currently being rendered.

double makVrv::DtOsgCullVisitorParameters::terrainRadius ( ) const

inline

Get the terrain radius.

Referenced by makVrv::DtOsgFixedScaleParameters::calculateScaleFactors().

void makVrv::DtOsgCullVisitorParameters::setOrthoCulling ( bool ortho )

inline

Set whether the culling should be doing in orthographic mode.

bool makVrv::DtOsgCullVisitorParameters::orthoCulling ( ) const

inline

Get whether the culling is to be done in 2D orthographic mode.

void makVrv::DtOsgCullVisitorParameters::setSkyRendering ( bool renderSky )

inline

Set whether the sky is being rendered.

bool makVrv::DtOsgCullVisitorParameters::skyRendering ( ) const

inline

Get whether the sky is being rendered.

void makVrv::DtOsgCullVisitorParameters::setDynamicLights ( bool enabled )

inline

Set whether dynamic lights are enabled.

bool makVrv::DtOsgCullVisitorParameters::dynamicLights ( ) const

inline

Get whether dynamic lights rendering is enabled.

void makVrv::DtOsgCullVisitorParameters::setDynamicOcean ( bool enabled )

inline

Set whether a dynamic ocean rendering is enabled.

bool makVrv::DtOsgCullVisitorParameters::dynamicOcean ( ) const

inline

Get whether a dynamic ocean rendering is enabled.

void makVrv::DtOsgCullVisitorParameters::setCameraAboveWater ( bool aboveWater )

inline

Set whether the camera is above water.

bool makVrv::DtOsgCullVisitorParameters::cameraAboveWater ( ) const

inline

Get whether the camera is above water.

void makVrv::DtOsgCullVisitorParameters::setScaling ( bool scaling )

inline

Set whether scalable groups should be scaled by distance.

bool makVrv::DtOsgCullVisitorParameters::scaling ( ) const

inline

Get whether scalable groups should be scaled by distance.

void makVrv::DtOsgCullVisitorParameters::setCoordinateSystemChanged ( bool changed )

inline

Set whether the coordinate system changed this frame.

bool makVrv::DtOsgCullVisitorParameters::coordinateSystemChanged ( ) const

inline

Get whether the coordinate system changed this frame.

void makVrv::DtOsgCullVisitorParameters::setModelScaler ( DtModelScaler * scaler )

inline

Set the XR scaler to use. This will not typically be called by users to change the XR Node Scaler, register a new DtOsgModelScalerCreator.

DtModelScaler* makVrv::DtOsgCullVisitorParameters::findModelScaler ( ) const

inline

double makVrv::DtOsgCullVisitorParameters::calculateModelScale	(	const osg::Camera &	camera,
		const osg::Node &	node
	)		const

inline

calculate the model scale using the registered XR scaler.

void makVrv::DtOsgCullVisitorParameters::setClampedPixelSize ( double d )

inline

Set the clamped pixel size calculated when using DtOsgFixedScaleParameters. This is ust used to pass the value from one form of calculateScaleFactors to the other.

Referenced by makVrv::DtOsgFixedScaleParameters::calculateScaleFactors().

double makVrv::DtOsgCullVisitorParameters::clampedPixelSize ( ) const

inline

Retrieve the clamped pixel size set in setClampedPixelSize.

Referenced by makVrv::DtOsgFixedScaleParameters::calculateScaleFactors().

void makVrv::DtOsgCullVisitorParameters::setDynamicWaterVisibilityEnable ( bool enable )

inline

Set dynamic water visibility, based on altitude. Water visibility will be scaled from its specified value at 0 alt to the max value specified.

bool makVrv::DtOsgCullVisitorParameters::dynamicWaterVisibilityEnable ( ) const

inline

Get whether dynamic water is enabled.

void makVrv::DtOsgCullVisitorParameters::setDynamicWaterVisibilityMax ( double visMax )

inline

Set the maximum value to which water visibility will be set when dynamic water visibility is enabled.

double makVrv::DtOsgCullVisitorParameters::dynamicWaterVisibilityMax ( ) const

inline

Get the maximum value to which water visibility will be set when dynamic water visibility is enabled.

void makVrv::DtOsgCullVisitorParameters::setTerrainMagnificationScaleFactor ( float factor )

inline

Set the amount that any view magnification value is reduced by when determining the distance to a paged LOD.

float makVrv::DtOsgCullVisitorParameters::terrainMagnificationScaleFactor ( ) const

inline

Get the amount that any view magnification value is reduced by when determining the distance to a paged LOD.

void makVrv::DtOsgCullVisitorParameters::setTerrainMagnificationHighLodAngle ( float radians )

inline

Set the angle used when paging in high LOD tiles, the angle (radians) represents the half angle, so view dir +/- angle is used like a camera FOV A smaller number results in fewer high LOD tiles and saves memory. A larger number will prevent cracks between tiles by bringing in more nearby high LOD tiles but will use more memory.

float makVrv::DtOsgCullVisitorParameters::terrainMagnificationHighLodAngle ( ) const

inline

Get the viewing angle within which high LOD tiles will be used

ex. rad angle=0.26179 = 15 degrees, so view direction + 15 and -15 (so 30 deg total) will be used. Any tile centers in that range will use high LOD.

void makVrv::DtOsgCullVisitorParameters::setIncludeLightPoints ( bool flag )

inline

set the flag for including light points in this cull visitor traversal. If false then light points will be ignored.

bool makVrv::DtOsgCullVisitorParameters::includeLightPoints ( ) const

inline

get the flag for including light points in this cull visitor traversal. If false then light points will be ignored.

float makVrv::DtOsgCullVisitorParameters::currentTraversalScaleFactor ( )

inline

get the scale factor for the current place in the cull visitor traversal. this is used by the light point node so it can know how much to scale the light point size.

void makVrv::DtOsgCullVisitorParameters::setCurrentTraversalScaleFactor ( float currentScaleFactor )

inline

set the scale factor for the current place in the cull visitor traversal. this is used by the light point node so it can know how much to scale the light point size.

void makVrv::DtOsgCullVisitorParameters::setIndirectDistanceScaleEnabled ( bool enabled )

inline

Set if the distance for culling instanced data is enabled.

bool makVrv::DtOsgCullVisitorParameters::indirectDistanceScaleEnabled ( ) const

inline

True if the distance for culling instanced data is enabled.

void makVrv::DtOsgCullVisitorParameters::setIndirectDistanceScale ( float scale )

inline

Set the distance for culling instanced data.

float makVrv::DtOsgCullVisitorParameters::indirectDistanceScale ( ) const

inline

Get the distance for culling instanced data.

void makVrv::DtOsgCullVisitorParameters::setChannelLodScale ( float scale )

inline

set the channel lod scale. This is only the channel configuration value and not the view magnification

float makVrv::DtOsgCullVisitorParameters::channelLodScale ( )

inline

get the channel lod scale. This is only the channel configuration value and not the view magnification

void makVrv::DtOsgCullVisitorParameters::setFocusPoints ( std::vector< osg::Vec3d > & points )

inline

set the focus points. These are used to calculate the terrain intersections which are then used to limit the LODs that are far away from them.

std::vector<osg::Vec3d>& makVrv::DtOsgCullVisitorParameters::focusPoints ( )

inline

get the focus points. These are used to calculate the terrain intersections which are then used to limit the LODs that are far away from them.

void makVrv::DtOsgCullVisitorParameters::setFocusPointEnabled ( bool enable )

inline

set the focust point enabled flag. If enabled the focus point distances and angles are used to calculate locations used to limit the lods thar are far away from them

bool makVrv::DtOsgCullVisitorParameters::focusPointEnabled ( )

inline

get the focust point enabled flag. If enabled the focus point distances and angles are used to calculate locations used to limit the lods thar are far away from them

virtual DtIndirectModelScalingAlgorithm makVrv::DtOsgCullVisitorParameters::indirectModelScalingAlgorithm ( void ) const

virtual

get the scaling algorithm in effect

Member Data Documentation

double makVrv::DtOsgCullVisitorParameters::myLodScaleFactor

protected

double makVrv::DtOsgCullVisitorParameters::myCameraResolution

protected

double makVrv::DtOsgCullVisitorParameters::myTerrainRadius

protected

double makVrv::DtOsgCullVisitorParameters::myAltitude2D

protected

bool makVrv::DtOsgCullVisitorParameters::mySkyFlag

protected

bool makVrv::DtOsgCullVisitorParameters::myDynamicLightsFlag

protected

bool makVrv::DtOsgCullVisitorParameters::myDynamicOceanFlag

protected

bool makVrv::DtOsgCullVisitorParameters::myCameraAboveWater

protected

bool makVrv::DtOsgCullVisitorParameters::myOrthoFlag

protected

bool makVrv::DtOsgCullVisitorParameters::myScalingFlag

protected

double makVrv::DtOsgCullVisitorParameters::myClampedPixelSize

protected

bool makVrv::DtOsgCullVisitorParameters::myCoordinateSystemChanged

protected

bool makVrv::DtOsgCullVisitorParameters::myDynamicWaterVisibilityEnable

protected

double makVrv::DtOsgCullVisitorParameters::myDynamicWaterVisibilityMax

protected

osg::ref_ptr<DtModelScaler> makVrv::DtOsgCullVisitorParameters::myModelScaler

protected

float makVrv::DtOsgCullVisitorParameters::myTerrainMagnificationScaleFactor

protected

float makVrv::DtOsgCullVisitorParameters::myTerrainMagnificationHighLodAngle

protected

osg::Vec3d makVrv::DtOsgCullVisitorParameters::myCameraVelocity

protected

unsigned int makVrv::DtOsgCullVisitorParameters::myModelSet

protected

bool makVrv::DtOsgCullVisitorParameters::myIncludeLightPoints

protected

float makVrv::DtOsgCullVisitorParameters::myCurrentScaleFactor

protected

bool makVrv::DtOsgCullVisitorParameters::myIndirectDistScaleEnabled

protected

float makVrv::DtOsgCullVisitorParameters::myIndirectDistScale

protected

std::vector<osg::Vec3d> makVrv::DtOsgCullVisitorParameters::myFocusPoints

protected

float makVrv::DtOsgCullVisitorParameters::myChannelLodScale

protected

bool makVrv::DtOsgCullVisitorParameters::myFocusPointEnabled

protected

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

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf5-0-branch/include/vrvOsg/DtOsgCullVisitorParameters.h

Public Member Functions

Protected Attributes

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation