makVrv::DtOsgTerrainOverlayManager Class Reference

Manager for setting up terrain layers in an OpenSceneGraph terrain. More...

Public Member Functions
	DtOsgTerrainOverlayManager (DtDe &de, osg::Node *terrain)
	~DtOsgTerrainOverlayManager ()
virtual void	setTerrain (osg::Node *terrain)
	Set root terrain node.
virtual void	setOverlay (DtOsgTerrainOverlayOperation overlay)
	Add (or replace if extant) selected overlay.
virtual void	clearOverlays ()
	Remove all overlays.
virtual void	removeOverlay (DtTerrainOverlayOperation::OverlayType type)
	Remove specified overlay.
virtual void	setOverlayScale (DtOsgTerrainOverlayOperation::OverlayType type, const std::vector< double > scale)
	Set scale of specified overlay.
virtual void	setOverlayOffset (DtOsgTerrainOverlayOperation::OverlayType type, const std::vector< double > offset)
	Set offset of specified overlay.
virtual void	setWrapMode (DtOsgTerrainOverlayOperation::OverlayType type, int)
	Set the wrap mode of the overaly.
virtual void	setBlendMode (DtOsgTerrainOverlayOperation::OverlayType type, int)
	Set the blend mode of the overaly.
virtual void	setRasterLayerPosition (DtOsgTerrainOverlayOperation::OverlayType type, int)
	Sets the raster layer position in the operations list.
virtual OverlayList	overlays () const
	Returns list of all active overlays.
virtual std::string	overlayDefinition (DtTerrainOverlayOperation::OverlayType type) const
	Returns definition of specified overlay.
virtual std::vector< double >	overlayScale (DtTerrainOverlayOperation::OverlayType type) const
	Returns scale of specified overlay.
virtual std::vector< double >	overlayOffset (DtTerrainOverlayOperation::OverlayType type) const
	Returns offset of specified overlay.
virtual DtTerrainOverlayOperation	defaultOverlay (DtOsgTerrainOverlayOperation::OverlayType type)
	Return a reasonable default overlay of the specified type.
virtual DtTerrainOverlayOperation	currentOverlay (DtOsgTerrainOverlayOperation::OverlayType type)
	Return the current overlay of the specified type.
virtual int	maxTextureUnits ()
	Returns the number of texture units to use when considering raster textures including contour lines and elevations.

Protected Member Functions
void	initializeGraph ()
	Set up backup node before enabling any overlays.
void	restoreGraph ()
	Restore scenegraph to pre-initializeGraph() state.
virtual void	applyOverlays (bool reset=true)
	Apply all active overlays.

Protected Attributes
OverlayList	myOverlays
osg::ref_ptr< osg::Node >	myTerrainNode
osg::StateSet *	myOriginalState
std::vector< std::string >	myOriginalDescriptions
DtDe &	myDe
bool	myInitializedFlag
int	myMaxTextureUnits

Private Types
typedef std::deque < DtOsgTerrainOverlayOperation >	OverlayList

Detailed Description

Manager for setting up terrain layers in an OpenSceneGraph terrain.

Member Typedef Documentation

typedef std::deque<DtOsgTerrainOverlayOperation> makVrv::DtOsgTerrainOverlayManager::OverlayList

private

Constructor & Destructor Documentation

makVrv::DtOsgTerrainOverlayManager::DtOsgTerrainOverlayManager	(	DtDe &	de,
		osg::Node *	terrain
	)

makVrv::DtOsgTerrainOverlayManager::~DtOsgTerrainOverlayManager

(

)

Member Function Documentation

virtual void makVrv::DtOsgTerrainOverlayManager::setTerrain ( osg::Node *  terrain )

virtual

Set root terrain node.

virtual void makVrv::DtOsgTerrainOverlayManager::setOverlay ( DtOsgTerrainOverlayOperation  overlay )

virtual

Add (or replace if extant) selected overlay.

virtual void makVrv::DtOsgTerrainOverlayManager::clearOverlays ( )

virtual

Remove all overlays.

virtual void makVrv::DtOsgTerrainOverlayManager::removeOverlay ( DtTerrainOverlayOperation::OverlayType  type )

virtual

Remove specified overlay.

virtual void makVrv::DtOsgTerrainOverlayManager::setOverlayScale ( DtOsgTerrainOverlayOperation::OverlayType  type, const std::vector< double >  scale  )

virtual

Set scale of specified overlay.

virtual void makVrv::DtOsgTerrainOverlayManager::setOverlayOffset ( DtOsgTerrainOverlayOperation::OverlayType  type, const std::vector< double >  offset  )

virtual

Set offset of specified overlay.

virtual void makVrv::DtOsgTerrainOverlayManager::setWrapMode ( DtOsgTerrainOverlayOperation::OverlayType  type, int    )

virtual

Set the wrap mode of the overaly.

virtual void makVrv::DtOsgTerrainOverlayManager::setBlendMode ( DtOsgTerrainOverlayOperation::OverlayType  type, int    )

virtual

Set the blend mode of the overaly.

virtual void makVrv::DtOsgTerrainOverlayManager::setRasterLayerPosition ( DtOsgTerrainOverlayOperation::OverlayType  type, int    )

virtual

Sets the raster layer position in the operations list.

virtual OverlayList makVrv::DtOsgTerrainOverlayManager::overlays ( ) const

virtual

Returns list of all active overlays.

virtual std::string makVrv::DtOsgTerrainOverlayManager::overlayDefinition ( DtTerrainOverlayOperation::OverlayType  type ) const

virtual

Returns definition of specified overlay.

virtual std::vector<double> makVrv::DtOsgTerrainOverlayManager::overlayScale ( DtTerrainOverlayOperation::OverlayType  type ) const

virtual

Returns scale of specified overlay.

virtual std::vector<double> makVrv::DtOsgTerrainOverlayManager::overlayOffset ( DtTerrainOverlayOperation::OverlayType  type ) const

virtual

Returns offset of specified overlay.

virtual DtTerrainOverlayOperation makVrv::DtOsgTerrainOverlayManager::defaultOverlay ( DtOsgTerrainOverlayOperation::OverlayType  type )

virtual

Return a reasonable default overlay of the specified type.

virtual DtTerrainOverlayOperation makVrv::DtOsgTerrainOverlayManager::currentOverlay ( DtOsgTerrainOverlayOperation::OverlayType  type )

virtual

Return the current overlay of the specified type.

virtual int makVrv::DtOsgTerrainOverlayManager::maxTextureUnits ( )

virtual

Returns the number of texture units to use when considering raster textures including contour lines and elevations.

This will attempt to (only once) to get this value from the current rendering engine. The value returned will be that value / 2 or 8 (if not found)

void makVrv::DtOsgTerrainOverlayManager::initializeGraph ( )

protected

Set up backup node before enabling any overlays.

void makVrv::DtOsgTerrainOverlayManager::restoreGraph ( )

protected

Restore scenegraph to pre-initializeGraph() state.

virtual void makVrv::DtOsgTerrainOverlayManager::applyOverlays ( bool  reset = true )

protectedvirtual

Apply all active overlays.

Member Data Documentation

OverlayList makVrv::DtOsgTerrainOverlayManager::myOverlays

protected

osg::ref_ptr<osg::Node> makVrv::DtOsgTerrainOverlayManager::myTerrainNode

protected

osg::StateSet* makVrv::DtOsgTerrainOverlayManager::myOriginalState

protected

std::vector<std::string> makVrv::DtOsgTerrainOverlayManager::myOriginalDescriptions

protected

DtDe& makVrv::DtOsgTerrainOverlayManager::myDe

protected

bool makVrv::DtOsgTerrainOverlayManager::myInitializedFlag

protected

int makVrv::DtOsgTerrainOverlayManager::myMaxTextureUnits

protected

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

• include/vrvOsg/DtOsgTerrainOverlayManager.h