Detailed Description

MapLink track display manager.

This class handles the display of TSLTrack objects, for one or more TSLDrawingSurfaceBase instances. By default all of the added tracks will be displayed on all of the attached drawing surfaces. Each track must be assigned a numerical ID when added to the manager. These IDs are used to identify the Tracks within the manager, and do not need to be sequential. Tracks will be drawn in in ID order, with lower IDs drawn on top of higher IDs.

The manager provides the following track operations:

Position update.
Label update (velocity, heading, altitude).
Track visibility, on a per-surface basis.
History point visibility, on a per-Track, and per-surface basis.
Track selection markers, on a per-Track, and per-surface basis.
Direction indicator visibility, on a per-surface basis.

The track operation methods have been designed for frequent updates, and allow these operations to be performed in batches.

The manager has two distinct concepts for time:

Current time
Display time

Current time always represents the most up to date information that the manager has. Changes to tracks, e.g. adding or removing tracks or changing track positions, always update the track information at the current time.

Display time represents the active view of the tracks at a given time interval, which can be in the past. Querying tracks or track information in this case will return the track information as it was at that point in time rather than the current values for the track.

By default current time and display time are the same. When history tracking is enabled in the manager through historicDataExpiry() the two time values can be set differently through currentTime() and displayTime().

The memory usage when recording track history is minimised, by only storing the individual position/appearance values which have changed. However if data is stored for a long time, and very frequent updates are made to a lot of objects, the application may use a significant amount of memory.

Configuration of history points is performed by the TSLTrackDisplayManager, which provides the following settings:

History display type (TSLTrackDisplayManager::HistoryPointType).
Distance between history points.
Maximum number of history points per-track.
History point visibility, on a per-surface basis.
History point colour.

Public Types
enum	HistoryPointType { HistoryPointTypeNone , HistoryPointTypeSquare , HistoryPointTypeSymbol }
	The type of history points to display. More...

enum	ViewRotation { RotationNorthUp , RotationTrackUp }

Public Member Functions
void	destroy ()
	Delete the track display manager.

int	addDrawingSurface (TSLDrawingSurfaceBase surface, const char name)

bool	addTrack (TSLTrack::TrackID trackNumber, TSLTrack *track)

void	currentTime (uint64_t time)

void	cancelFollowTrack (int drawingSurfaceID)

void	clearAllHistoryPoints ()
	Remove all history points, for all tracks.

void	clearAllTracks ()
	Remove all tracks from the TSLTrackDisplayManager.

bool	clearAllTrackSelections (int drawingSurfaceID)

bool	cloneTrackInto (TSLTrack::TrackID trackNumber, TSLTrackDisplayManager *other)

bool	headingIndicatorsVisible (int drawingSurfaceID, bool visible)

void	historicDataExpiry (uint64_t time)

void	displayTime (uint64_t time)

bool	followTrack (int drawingSurfaceID, TSLTrack::TrackID trackNumber)

void	historyPointDistance (uint32_t distance)

void	numHistoryPoints (uint32_t size)

uint32_t	numHistoryPoints () const

void	historyPointType (HistoryPointType type)

void	historyPointSymbol (TSLTrackHistorySymbol *symbol)

bool	historyPointsVisible (int drawingSurfaceID, bool visibility)

bool	moveTrack (TSLTrack::TrackID trackNumber, double latitude, double longitude)

bool	moveTracks (uint32_t numberOfTracks, const TSLTrack::TrackID trackNumbers, const double latitudes, const double *longitudes)

uint32_t	numberOfTracks () const

uint32_t	numberOfCurrentTracks () const

TSLTrack *	queryTrack (TSLTrack::TrackID trackNumber)

TSLTrack *	queryTrackFromUserID (uint32_t id)

bool	removeDrawingSurface (int drawingSurfaceID)

bool	removeTrack (TSLTrack::TrackID trackNumber)

bool	selectTrack (int drawingSurfaceID, TSLTrack::TrackID trackNumber, bool selection)

bool	selectTracks (int drawingSurfaceID, uint32_t numberOfTracks, const TSLTrack::TrackID trackNumbers, const bool selections)

bool	trackIDs (uint32_t numberOfTracks, TSLTrack::TrackID *trackNumbers) const

bool	currentTrackIDs (uint32_t numberOfTracks, TSLTrack::TrackID *trackNumbers) const

bool	trackVisibility (int drawingSurfaceID, bool visibility)

bool	trackVisibility (int drawingSurfaceID, TSLTrack::TrackID trackNumber, bool visibility)

bool	trackVisibility (int drawingSurfaceID, uint32_t numberOfTracks, const TSLTrack::TrackID trackNumbers, const bool visibilities)

bool	updateTrackLabels (TSLTrack::TrackID trackNumber, double velocity, double heading, double altitude)

bool	updateTrackLabels (uint32_t numberOfTracks, const TSLTrack::TrackID trackNumbers, const double velocities, const double headings, const double altitudes)

bool	viewRotation (int drawingSurfaceID, ViewRotation viewRotation)

bool	addGraphic (TSLTrack::TrackID graphicID, TSLTrackGraphic *graphic)

TSLTrackGraphic *	queryGraphic (TSLTrack::TrackID graphicID) const

TSLTrackGraphic *	queryGraphicFromUserID (uint32_t id) const

uint32_t	numGraphics () const

TSLTrackGraphic *	getGraphic (uint32_t index) const

bool	updateGraphic (uint32_t index, TSLTrackGraphic *graphic)

bool	removeGraphic (uint32_t index)

bool	removeGraphic (TSLTrackGraphic *graphic)

void	removeAllGraphics ()
	Remove all graphics.

Static Public Member Functions
static TSLTrackDisplayManager *	create ()
	Create a TSLTrackDisplayManager.

Member Enumeration Documentation

◆ HistoryPointType

enum TSLTrackDisplayManager::HistoryPointType

The type of history points to display.

Enumerator
HistoryPointTypeNone	History points will not be displayed.
HistoryPointTypeSquare	History points will be displayed as a 3x3 pixel square.
HistoryPointTypeSymbol	History points will be displayed as a specific symbol, defined by TSLTrackDisplayManager::historyPointSymbol.

◆ ViewRotation

enum TSLTrackDisplayManager::ViewRotation

Defines whether the view will rotate automatically, when a drawing surface is set to follow a specific track.

Enumerator
RotationNorthUp	The view will not rotate.
RotationTrackUp	The view will rotate, following the direction of the specified track. See TSLTrackDisplayManager::followTrack.

Member Function Documentation

◆ addDrawingSurface()

int TSLTrackDisplayManager::addDrawingSurface	(	TSLDrawingSurfaceBase *	surface,
		const char *	name )

Add a drawing surface to the TSLTrackDisplayManager

Parameters

surface	The drawing surface to add.
name	The unique name for this drawing surface. A layer with this name will be created within the drawing surface, which can be used for decluttering/track query functionality. This name should be unique within the drawing surface, but multiple drawing surfaces may be added to the TSLTrackDisplayManager with the same name.

Returns: The numeric ID of the drawing surface, or -1 if the drawing surface was not added.

◆ addGraphic()

bool TSLTrackDisplayManager::addGraphic	(	TSLTrack::TrackID	graphicID,
		TSLTrackGraphic *	graphic )

Add a graphic to the track display

Parameters

graphicID	The ID of the graphic. This must not be used by any other graphic or track within the manager
graphic	The graphic to add. The application retains ownership of this object

Returns: true if the graphic was added, false otherwise

◆ addTrack()

bool TSLTrackDisplayManager::addTrack	(	TSLTrack::TrackID	trackNumber,
		TSLTrack *	track )

Add a track to the manager.

The track manager will take a reference to the TSLTrack. The application may continue to use the track for as long as it holds a reference.

A track cannot be added to multiple track managers at once. This method will return false if the track has been added to anther TSLTrackDisplayManager. Tracks may however be copied into another manager via cloneTrackInto.

The draw order of tracks is defined by their respective TrackIDs. Tracks with lower IDs will be drawn on top of tracks with higher IDs.

If a track already exists with the given ID, the new track will not be added. Tracks will be removed from the manager once removeTrack has been called. If the manager is storing historic data a track will not be removed until the historic data expiry period has passed.

Parameters

trackNumber	The numeric ID of the track. These IDs do not need to be sequential.
track	The track object to add.

Returns: true if the track was added, false otherwise.

◆ cancelFollowTrack()

void TSLTrackDisplayManager::cancelFollowTrack ( int drawingSurfaceID )

Stops an attached drawing surface from following a track.

Parameters

drawingSurfaceID the ID of the drawing surface in which to stop following the currently followed track.

◆ clearAllHistoryPoints()

void TSLTrackDisplayManager::clearAllHistoryPoints ( )

Remove all history points, for all tracks.

◆ clearAllTracks()

void TSLTrackDisplayManager::clearAllTracks ( )

Remove all tracks from the TSLTrackDisplayManager.

◆ clearAllTrackSelections()

bool TSLTrackDisplayManager::clearAllTrackSelections ( int drawingSurfaceID )

Clear all of the track selection markers for the given drawing surface

Parameters

drawingSurfaceID The ID of the DrawingSurface to clear the selection markers for.

Returns: true if the selections were cleared, false otherwise.

◆ cloneTrackInto()

bool TSLTrackDisplayManager::cloneTrackInto	(	TSLTrack::TrackID	trackNumber,
		TSLTrackDisplayManager *	other )

Copy a track into another TSLTrackDisplayManager.

This will clone the TSLTrack object, including all history point and per drawing surface information.

Parameters

trackNumber	The numeric ID of the track to clone.
other	The TSLTrackDisplayManager to add the track to.

Returns: true if the track was added to the other manager, false otherwise.

◆ create()

static TSLTrackDisplayManager * TSLTrackDisplayManager::create ( )

static

Create a TSLTrackDisplayManager.

◆ currentTime()

void TSLTrackDisplayManager::currentTime ( uint64_t time )

Set the current time.

Any updates applied to the TSLTrackDisplayManager or TSLTrack objects will be registered at this time.

If the currentTime value has not been set, or is set to 0, the manager will not store historic data, and will display the data in its current state.

If the currentTime value has been set, the manager will store historic data, until the expiry period has passed.

The granularity of time values is defined by the application, and therefore can be any desired value such as seconds since epoch or milliseconds since application start.

Parameters

time	The current time.

◆ currentTrackIDs()

bool TSLTrackDisplayManager::currentTrackIDs	(	uint32_t	numberOfTracks,
		TSLTrack::TrackID *	trackNumbers ) const

Query the track numbers that exist in the manager at the current time.

Parameters

numberOfTracks	The number of track numbers to query. This specifies the size of the 'trackNumbers' argument.
trackNumbers	An array which will be populated with the Track IDs.

Returns: true if the trackNumbers array was populated, false if an error occurred.

◆ destroy()

void TSLTrackDisplayManager::destroy ( )

Delete the track display manager.

◆ displayTime()

void TSLTrackDisplayManager::displayTime ( uint64_t time )

Set the display time for the manager.

When a display time is set, the manager will both display and return track data as it was at the given time interval. This means that tracks that did not exist at the given time interval will not be returned from queryTrack() and information methods on each TSLTrack object will return their values as they were at that time interval rather than the current values for the track.

If the display time is set to 0, the manager will display all track data in its current state.

Parameters

time	The time to display track data at.

See also: historicDataExpiry()

◆ followTrack()

bool TSLTrackDisplayManager::followTrack	(	int	drawingSurfaceID,
		TSLTrack::TrackID	trackNumber )

Set an attached drawing surface to follow a specific track.

If a drawing surface is set to follow tracks from multiple track display managers, it will follow the last track set.

Parameters

drawingSurfaceID	The ID of the drawing surface to modify.
trackNumber	The number of the track to follow

Returns: true of the drawing surface was set to follow the track, false otherwise.

◆ getGraphic()

TSLTrackGraphic * TSLTrackDisplayManager::getGraphic ( uint32_t index ) const

Query a graphic

Parameters

index The index of the graphic to query

Returns: The requested graphic or NULL on error

◆ headingIndicatorsVisible()

bool TSLTrackDisplayManager::headingIndicatorsVisible	(	int	drawingSurfaceID,
		bool	visible )

Set the visibility of all direction indicators, for a given drawing surface.

Parameters

drawingSurfaceID	The ID of the drawing surface to modify.
visible	The visibility of direction indicators.

Returns: true if the indicators were updated, false otherwise.

◆ historicDataExpiry()

void TSLTrackDisplayManager::historicDataExpiry ( uint64_t time )

The maximum period to store historic Track data for.

Data older than (currentTime - historicDataExpiry) will be deleted.

Parameters

time	The maximum period of time to store historic Track display data for.

◆ historyPointDistance()

void TSLTrackDisplayManager::historyPointDistance ( uint32_t distance )

Set the minimum distance between history points.

Parameters

distance The distance between points, in map units

◆ historyPointsVisible()

bool TSLTrackDisplayManager::historyPointsVisible	(	int	drawingSurfaceID,
		bool	visibility )

Set the visibility of all history points, for a given drawing surface.

Parameters

drawingSurfaceID	The drawing surface to modify.
visibility	The visibility of history points.

Returns: true if the visibility was set, false otherwise.

◆ historyPointSymbol()

void TSLTrackDisplayManager::historyPointSymbol ( TSLTrackHistorySymbol * symbol )

Set the symbol to use for history points.

This TSLTrackHistorySymbol object will be owned by the TSLTrackDisplayManager, and must not be deleted.

This will only be used if the history type is HistoryPointTypeSymbol.

Parameters

symbol The HistorySymbol to display.

◆ historyPointType()

void TSLTrackDisplayManager::historyPointType ( HistoryPointType type )

Set the type of history points to display.

Parameters

type	The type of points to display.

◆ moveTrack()

bool TSLTrackDisplayManager::moveTrack	(	TSLTrack::TrackID	trackNumber,
		double	latitude,
		double	longitude )

Update the position of a single track. This method always acts upon tracks at the current time.

All latitude and longitude values provided to the Track Manager SDK must be in the WGS84 datum.

Parameters

trackNumber	The track to modify.
latitude	The new latitude value of the specified track.
longitude	The new longitude value of the specified track.

Returns: true if the track was moved successfully, false otherwise.

◆ moveTracks()

bool TSLTrackDisplayManager::moveTracks	(	uint32_t	numberOfTracks,
		const TSLTrack::TrackID *	trackNumbers,
		const double *	latitudes,
		const double *	longitudes )

Update the positions of multiple tracks. This method always acts upon tracks at the current time.

All latitude and longitude values provided to the Track Manager SDK must be in the WGS84 datum.

Parameters

numberOfTracks	The number of tracks to set the position for. This specifies the size of the array arguments.
trackNumbers	An array of TrackIDs, which specify the tracks to modify.
latitudes	An array of doubles, which specify the latitude values for the corresponding track.
longitudes	An array of doubles, which specify the longitude values for the corresponding track.

Returns: true if all tracks were moved successfully, false otherwise.

◆ numberOfCurrentTracks()

uint32_t TSLTrackDisplayManager::numberOfCurrentTracks ( ) const

Query the number of tracks in the manager at the current time.

Returns: The number of tracks in the TSLTrackDisplayManager.

See also: numberOfTracks

◆ numberOfTracks()

uint32_t TSLTrackDisplayManager::numberOfTracks ( ) const

Query the number of tracks in the manager at the display time.

This can be different to the number of tracks that exist at the current time if tracks were removed from the manager after the active display time.

Returns: The number of tracks in the TSLTrackDisplayManager.

See also: numberOfCurrentTracks

◆ numGraphics()

uint32_t TSLTrackDisplayManager::numGraphics ( ) const

Query the number of graphics in the manager

Returns: The number of graphics

◆ numHistoryPoints() [1/2]

uint32_t TSLTrackDisplayManager::numHistoryPoints ( ) const

Get the number of history points which will be displayed per track.

Returns: The number of history points.

◆ numHistoryPoints() [2/2]

void TSLTrackDisplayManager::numHistoryPoints ( uint32_t size )

Set the number of history points to display per track.

If the number of points reaches this limit, old points will be removed. This setting applies to all tracks within this manager.

Parameters

size	The number of history points.

◆ queryGraphic()

TSLTrackGraphic * TSLTrackDisplayManager::queryGraphic ( TSLTrack::TrackID graphicID ) const

Query a graphic from the manager

Parameters

graphicID The ID of the graphic

Returns: The requested graphic, or NULL on error

◆ queryGraphicFromUserID()

TSLTrackGraphic * TSLTrackDisplayManager::queryGraphicFromUserID ( uint32_t id ) const

Query a graphic using a user ID

Parameters

id	The user ID of the graphic

Returns: The requested graphic, or NULL on error

◆ queryTrack()

TSLTrack * TSLTrackDisplayManager::queryTrack ( TSLTrack::TrackID trackNumber )

Query a track from the manager at the current display time.

Data queried from the returned TSLTrack object will be returned at the display time. If historic data is not being stored, it will be the current state of the object.

The returned track may be modified by the application however the application must not call release on the returned pointer

Parameters

trackNumber The ID of the track to query.

Returns: The requested TSLTrack object, or NULL if an invalid ID was specified.

◆ queryTrackFromUserID()

TSLTrack * TSLTrackDisplayManager::queryTrackFromUserID ( uint32_t id )

Query a track from the manager, using the given user ID.

If multiple tracks exist with the same user ID, the one with the lowest TrackID will be returned. This will be an expensive operation. If a fast query is required the queryTrack method should be used with the TrackID.

The returned track may be modified by the application however the application must not call release on the returned pointer

Parameters

id	The user ID of the track to query.

Returns: The Track with the specified id. NULL will be returned if the track was not found.

◆ removeAllGraphics()

void TSLTrackDisplayManager::removeAllGraphics ( )

Remove all graphics.

◆ removeDrawingSurface()

bool TSLTrackDisplayManager::removeDrawingSurface ( int drawingSurfaceID )

Remove a drawing surface instance from the TSLTrackDisplayManager.

Parameters

drawingSurfaceID The ID of the drawing surface to remove.

Returns: true if the drawing surface was removed, or false if an invalid ID was provided.

◆ removeGraphic() [1/2]

bool TSLTrackDisplayManager::removeGraphic ( TSLTrackGraphic * graphic )

Remove a graphic

Parameters

graphic The graphic to remove

Returns: true if the graphic was removed, false otherwise

◆ removeGraphic() [2/2]

bool TSLTrackDisplayManager::removeGraphic ( uint32_t index )

Remove a graphic

Parameters

index The index of the graphic to remove

Returns: true if the graphic was removed, false otherwise

◆ removeTrack()

bool TSLTrackDisplayManager::removeTrack ( TSLTrack::TrackID trackNumber )

Remove a track from the manager. This method always acts upon tracks at the current time and not the display time.

If historic data is not being stored, the TrackID may be re-used immediately. Otherwise it may be re-used once the historic data expiry time has passed.

Parameters

trackNumber The ID of the track to remove.

Returns: true if the track was removed, false otherwise.

◆ selectTrack()

bool TSLTrackDisplayManager::selectTrack	(	int	drawingSurfaceID,
		TSLTrack::TrackID	trackNumber,
		bool	selection )

Set the selection marker status on a track for a given drawing surface at the display time.

Parameters

drawingSurfaceID	The ID of the drawing surface.
trackNumber	The TrackID to modify.
selection	Whether to display the track selection marker.

Returns: true if the status was set successfully, false otherwise.

◆ selectTracks()

bool TSLTrackDisplayManager::selectTracks	(	int	drawingSurfaceID,
		uint32_t	numberOfTracks,
		const TSLTrack::TrackID *	trackNumbers,
		const bool *	selections )

Set the track selection marker status on multiple tracks for the given drawing surface at the display time.

Parameters

drawingSurfaceID	The ID of the drawing surface.
numberOfTracks	The number of tracks to modify. This specifies the size of the array arguments.
trackNumbers	An array which specifies the Track IDs to modify.
selections	An array which specifies the selection marker status for the corresponding tracks.

Returns: true if the statuses were set successfully, false otherwise.

◆ trackIDs()

bool TSLTrackDisplayManager::trackIDs	(	uint32_t	numberOfTracks,
		TSLTrack::TrackID *	trackNumbers ) const

Query the track numbers that exist in the manager at the display time.

Parameters

numberOfTracks	The number of track numbers to query. This specifies the size of the 'trackNumbers' argument.
trackNumbers	An array which will be populated with the Track IDs.

Returns: true if the trackNumbers array was populated, false if an error occurred.

◆ trackVisibility() [1/3]

bool TSLTrackDisplayManager::trackVisibility	(	int	drawingSurfaceID,
		bool	visibility )

Set the visibility of all tracks, for a given drawing surface.

Parameters

drawingSurfaceID	The ID of the drawing surface.
visibility	The new visibility setting for all tracks.

Returns: true if the visibility setting was applied, false otherwise.

◆ trackVisibility() [2/3]

bool TSLTrackDisplayManager::trackVisibility	(	int	drawingSurfaceID,
		TSLTrack::TrackID	trackNumber,
		bool	visibility )

Set the visibility of a single track, for a given drawing surface.

Parameters

drawingSurfaceID	The ID of the drawing surface.
trackNumber	The ID of the track to modify.
visibility	The new visibility setting for the specified track.

Returns: true if the visibility setting was applied, false otherwise.

◆ trackVisibility() [3/3]

bool TSLTrackDisplayManager::trackVisibility	(	int	drawingSurfaceID,
		uint32_t	numberOfTracks,
		const TSLTrack::TrackID *	trackNumbers,
		const bool *	visibilities )

Set the visibility of multiple tracks, for a given drawing surface.

Parameters

drawingSurfaceID	The ID of the drawing surface.
numberOfTracks	The number of tracks to update. The specifies the size of the array arguments.
trackNumbers	An array of TrackIDs, which specify the tracks to modify.
visibilities	An array of bools, which specify the visibility of the corresponding tracks.

Returns: true if all visibility settings were applied, false otherwise.

◆ updateGraphic()

bool TSLTrackDisplayManager::updateGraphic	(	uint32_t	index,
		TSLTrackGraphic *	graphic )

Update a graphic

Parameters

index	The index of the graphic to update
graphic	The replacement graphic. The application retains ownership of this object

Returns: true if the graphic was updated, false otherwise

◆ updateTrackLabels() [1/2]

bool TSLTrackDisplayManager::updateTrackLabels	(	TSLTrack::TrackID	trackNumber,
		double	velocity,
		double	heading,
		double	altitude )

Update the labels for a single track. This method always acts upon tracks at the current time and not the display time.

Parameters

trackNumber	The TrackID to modify
velocity	The new velocity of the track.
heading	The new heading of the track.
altitude	The new Altitude of the track.

Returns: true if the track labels were updated, false otherwise.

◆ updateTrackLabels() [2/2]

bool TSLTrackDisplayManager::updateTrackLabels	(	uint32_t	numberOfTracks,
		const TSLTrack::TrackID *	trackNumbers,
		const double *	velocities,
		const double *	headings,
		const double *	altitudes )

Update the labels for multiple tracks. This method always acts upon tracks at the current time and not the display time.

Parameters

numberOfTracks	The number of tracks to modify. This specifies the size of the array arguments.
trackNumbers	An array which specifies the track IDs to modify.
velocities	An array which specifies the new velocities of the corresponding tracks.
headings	An array which specifies the new headings of the corresponding tracks.
altitudes	An array which specifies the new altitudes of the corresponding tracks.

Returns: true if all track labels were updated, false otherwise.

◆ viewRotation()

bool TSLTrackDisplayManager::viewRotation	(	int	drawingSurfaceID,
		ViewRotation	viewRotation )

Set the view rotation mode for the given drawing surface.

Parameters

drawingSurfaceID	The ID of the drawing surface to modify.
viewRotation	The rotation setting for the drawing surface.

Returns: true if the rotation was set, false otherwise.

Detailed Description

Public Types

Public Member Functions

Static Public Member Functions

Member Enumeration Documentation

◆ HistoryPointType

◆ ViewRotation

Member Function Documentation

◆ addDrawingSurface()

◆ addGraphic()

◆ addTrack()

◆ cancelFollowTrack()

◆ clearAllHistoryPoints()

◆ clearAllTracks()

◆ clearAllTrackSelections()

◆ cloneTrackInto()

◆ create()

◆ currentTime()

◆ currentTrackIDs()

◆ destroy()

◆ displayTime()

◆ followTrack()

◆ getGraphic()

◆ headingIndicatorsVisible()

◆ historicDataExpiry()

◆ historyPointDistance()

◆ historyPointsVisible()

◆ historyPointSymbol()

◆ historyPointType()

◆ moveTrack()

◆ moveTracks()

◆ numberOfCurrentTracks()

◆ numberOfTracks()

◆ numGraphics()

◆ numHistoryPoints() [1/2]

◆ numHistoryPoints() [2/2]

◆ queryGraphic()

◆ queryGraphicFromUserID()

◆ queryTrack()

◆ queryTrackFromUserID()

◆ removeAllGraphics()

◆ removeDrawingSurface()

◆ removeGraphic() [1/2]

◆ removeGraphic() [2/2]

◆ removeTrack()

◆ selectTrack()

◆ selectTracks()

◆ trackIDs()

◆ trackVisibility() [1/3]

◆ trackVisibility() [2/3]

◆ trackVisibility() [3/3]

◆ updateGraphic()

◆ updateTrackLabels() [1/2]

◆ updateTrackLabels() [2/2]

◆ viewRotation()