Class which will keep track of Intervisibility between an origin and an end point. More...

Inheritance diagram for makVrv::DtAttachableIntervisibilityUpdater:

Classes
struct	IntersectionInformation

Public Member Functions
	DtAttachableIntervisibilityUpdater (DtDe &de, DtElementID id)
	CTOR.
virtual	~DtAttachableIntervisibilityUpdater ()
	DTOR.
virtual void	setFixedDistance (bool)
	If true, sets the end point to be a fixed distance (given the current distance) from the start point, if the start points moves and the end point is not attached.
Public Member Functions inherited from makVrv::DtLineModelUpdater
	DtLineModelUpdater (DtDe &de, DtElementID id)
	CTOR.
virtual	~DtLineModelUpdater ()
	DTOR.
virtual void	setStartPoint (const DtVector &position)
	Sets the origin of the line (absolute)
virtual void	attachStartPoint (DtElementID id)
	Sets the origin of the line to be attached to an element.
virtual void	setStartPointOffset (const DtVector &offset)
	Sets the offset of the start attach point.
virtual void	setEndPoint (const DtVector &position)
	Sets the end of the Intervisibility line (absolute)
virtual void	attachEndPoint (DtElementID id)
	Sets the end of the line to be attached to an element.
virtual void	setEndPointOffset (const DtVector &offset)
	Sets the offset of the end attach point.
virtual DtVector	calculateStartPoint ()
	Accessor for the origin of the line.
virtual DtVector	calculateEndPoint ()
	Accessor for the end point of the line.
virtual void	setSceneObject (DtSceneObject *sceneObject)
	Override to set model set to use for intersections.
Public Member Functions inherited from makVrv::DtAttachableUpdater
	DtAttachableUpdater (DtDe &de, DtUniqueID id)
	CTOR.
virtual	~DtAttachableUpdater ()
	DTOR.
virtual bool	needsUpdate (DtTime tNow)
	Does this updater need to update?
virtual void	addAttachedPoint (const DtVector &position, int targetVertexIndex)
	Add a (vertex) attach point.
virtual void	addAttachedPoint (DtUniqueID uniqueID, int targetVertexIndex)
	Add a (object) attach point.
virtual void	addAttachedPoint (DtUniqueID uniqueID, int vtx1, int vtx2, double proportion, int targetVertexIndex)
	Add a (linear) attach point.
virtual const AttachedPoint &	attachedPoint (int targetVertexIndex) const
	Returns the attached point at the given vertex.
virtual void	setPositionOffset (const DtVector &offset)
	positionally offset the attach points by this amount.
virtual void	setWorldPositionOffset (const DtVector &offset)
	positionally offset the specific attach point by this amount in world (database) coordinates.
virtual void	setPositionOffset (const DtVector &offset, int vtx)
	positionally offset the specific attach point by this amount.
virtual void	setOrientationOffset (const DtTaitBryan &offset)
	rotationally offset the attach points by this amount.
virtual void	setWorldOrientationOffset (const DtTaitBryan &offset)
	rotationally offset the attach points by this amount in world (database) coordinates
virtual void	setAttachedPointMode (unsigned int mode, int vtx)
	Set whether an attached point updates position, orientation, or both.
virtual void	doAttachment (DtTime tNow)
	Find the actual position and orientation based on the attach points and offsets.
DtTime	lastUpdateTime () const
Public Member Functions inherited from makVrv::DtTickable
virtual	~DtTickable ()
	Virtual DTOR.
virtual void	setUpdatePeriod (unsigned int period)
	Specify how often (in # of frames) this tickable should call update.
virtual unsigned int	updatePeriod () const

Protected Member Functions
virtual void	update (DtTime tNow)
	Sees if inter-visibility needs to be recalculated, and, if so recalculates and sets all associated lines.
virtual bool	doIntersection ()
	Does intersection if points have changed. Returns true if something has changed.
virtual void	updateSceneObject (DtTime tNow)
virtual double	calculateDistance (const DtVector &start, const DtVector &end, DtVector *circleOrigin=0) const
	Calculates distance based on topo coordinates in 3 dimensions.
virtual void	calculateFixedDistance ()
	Calculates the distance from the start to end point and assigns to myFixedDistance member.
virtual DtVector	fixedDistanceFrom (const DtVector &start, const DtVector &end, double heading, double distance) const
	Given a heading and distance, returns a fixed distance from the start point with altitude clamped at the new ground location.
virtual double	calculateHeading (const DtVector &start, const DtVector &end) const
	Calculates topographic heading from start to end point.
virtual DtVector	clamp (const DtVector &pt) const
	Returns the ground clamped position.
Protected Member Functions inherited from makVrv::DtLineModelUpdater
virtual void	cleanup (PointInformation &pointInfo)
	Cleans up (resets) information for given point.
virtual DtVector	offsetPoint (DtVector point, const DtVector &offset, const DtTaitBryan &ori=DtTaitBryan()) const
	Offsets the given point and returns new position Applies the given offset to the input point at the given orientation.
virtual DtVector	getAttachedPosition (PointInformation &pointInfo)
	Gets the attached position of the given point Attempts to get and return the attached position of the given point, and returns pointInfo.position if obtaining the attached scene object or updater failed.
virtual void	getSceneInformation (const PointInformation &info, DtUniqueID &sceneId)
	Gets the id of the attached element to use for positioning.
virtual void	slot_attachedSceneObjectToBeDeleted (DtUniqueID, PointInformation *)
	Called when scene object that this item is attached to is to be deleted.
virtual void	slot_attachedUpdaterToBeDeleted (DtUniqueID, PointInformation *)
	Called when updater of attached scene object is to be deleted.
Protected Member Functions inherited from makVrv::DtAttachableUpdater
virtual bool	pointLocationAndOrientation (AttachedPoint *point, double simTime, DtVector &location, DtTaitBryan &orientation)
virtual void	removeAttachedPoint (int vtx, DtVector *positionOffset=0)
	Returns current position offset in supplied pointer.
virtual void	slot_sceneObjectToBeDeleted (const DtUniqueID &id)
virtual void	slot_attachedSceneObjectToBeDeleted (const DtUniqueID &)
virtual void	slot_attachedUpdaterToBeDeleted (const DtUniqueID &id)
Protected Member Functions inherited from makVrv::DtTickable
	DtTickable (DtTickableManagerInterface *manager)
	CTOR.
	DtTickable ()
	Unimplemented default CTOR.
virtual void	slot_managerAboutToBeDeleted ()

Protected Attributes
IntersectionInformation	myIntersectionInformation
bool	myFixDistance
double	myFixedDistance
double	myFixedHeading
Protected Attributes inherited from makVrv::DtLineModelUpdater
PointInformation	myStartPoint
PointInformation	myEndPoint
Protected Attributes inherited from makVrv::DtAttachableUpdater
DtDe &	myDe
	The display engine.
DtUniqueID	myUniqueId
	This distributed object's unique identifier.
DtSceneObject *	mySceneObject
	A pointer to the current scene object being updated.
DtTime	myLastUpdateTime
	The last time stamp when the update()
AttachedPointsVector	myAttachedPoints
DtVector	myPositionOffset
DtTaitBryan	myOrientationOffset
DtVector	myWorldPositionOffset
DtTaitBryan	myWorldOrientationOffset
DtUniqueID	mySceneObjectId
Protected Attributes inherited from makVrv::DtTickable
DtTickableManagerInterface *	myManager
	Pointer to manager for removal during destruction.
DtSignalConnectionManager	myConnections
unsigned int	myFrameCounter
unsigned int	myFrameToUpdate
unsigned int	myUpdatePeriod

Additional Inherited Members
Public Types inherited from makVrv::DtAttachableUpdater
enum	AttachedPointType { AttachedPointTypeVertex, AttachedPointTypeObject, AttachedPointTypeProportional, AttachedPointTypeDeprecatedObject, AttachedPointTypeInvalidObject }
	Types of attachments. More...
enum	AttachedPointMode { AttachedPointModePositionAndOrientation, AttachedPointModePositionOnly, AttachedPointModeOrientationOnly }
Protected Types inherited from makVrv::DtAttachableUpdater
typedef std::vector < AttachedPoint * >	AttachedPointsVector

Detailed Description

Class which will keep track of Intervisibility between an origin and an end point.

Will update all scene objects attached to it with the Intervisibility information.

Constructor & Destructor Documentation

makVrv::DtAttachableIntervisibilityUpdater::DtAttachableIntervisibilityUpdater	(	DtDe &	de,
		DtElementID	id
	)

CTOR.

virtual makVrv::DtAttachableIntervisibilityUpdater::~DtAttachableIntervisibilityUpdater ( )

virtual

DTOR.

Member Function Documentation

virtual void makVrv::DtAttachableIntervisibilityUpdater::setFixedDistance ( bool )

virtual

If true, sets the end point to be a fixed distance (given the current distance) from the start point, if the start points moves and the end point is not attached.

Default is false

virtual void makVrv::DtAttachableIntervisibilityUpdater::update ( DtTime tNow )

protectedvirtual

Sees if inter-visibility needs to be recalculated, and, if so recalculates and sets all associated lines.

Reimplemented from makVrv::DtLineModelUpdater.

Reimplemented in makVrv::DtAttachableEntityFanUpdater.

virtual bool makVrv::DtAttachableIntervisibilityUpdater::doIntersection ( )

protectedvirtual

Does intersection if points have changed. Returns true if something has changed.

Reimplemented in makVrv::DtAttachableEntityFanUpdater, and makVrv::DtAttachableFanUpdater.

virtual void makVrv::DtAttachableIntervisibilityUpdater::updateSceneObject ( DtTime tNow )

protectedvirtual

Implements makVrv::DtLineModelUpdater.

Reimplemented in makVrv::DtAttachableEntityFanUpdater, and makVrv::DtAttachableFanUpdater.

virtual double makVrv::DtAttachableIntervisibilityUpdater::calculateDistance	(	const DtVector &	start,
		const DtVector &	end,
		DtVector *	circleOrigin = `0`
	)		const

protectedvirtual

Calculates distance based on topo coordinates in 3 dimensions.

virtual void makVrv::DtAttachableIntervisibilityUpdater::calculateFixedDistance ( )

protectedvirtual

Calculates the distance from the start to end point and assigns to myFixedDistance member.

virtual DtVector makVrv::DtAttachableIntervisibilityUpdater::fixedDistanceFrom	(	const DtVector &	start,
		const DtVector &	end,
		double	heading,
		double	distance
	)		const

protectedvirtual

Given a heading and distance, returns a fixed distance from the start point with altitude clamped at the new ground location.

Returned in local database coordinates

virtual double makVrv::DtAttachableIntervisibilityUpdater::calculateHeading	(	const DtVector &	start,
		const DtVector &	end
	)		const

protectedvirtual

Calculates topographic heading from start to end point.

virtual DtVector makVrv::DtAttachableIntervisibilityUpdater::clamp ( const DtVector & pt ) const

protectedvirtual

Returns the ground clamped position.

Member Data Documentation

IntersectionInformation makVrv::DtAttachableIntervisibilityUpdater::myIntersectionInformation

protected

bool makVrv::DtAttachableIntervisibilityUpdater::myFixDistance

protected

double makVrv::DtAttachableIntervisibilityUpdater::myFixedDistance

protected

double makVrv::DtAttachableIntervisibilityUpdater::myFixedHeading

protected

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

/exports/nfedora7-1/nightly/docs/vrforcesDevelopment.tot/include/vrvCore/DtAttachableIntervisibilityUpdater.h

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation