DtTerrainSymbolUpdater Class Reference

Inheritance diagram for DtTerrainSymbolUpdater:

List of all members.

Public Member Functions
	DtTerrainSymbolUpdater ()
virtual	~DtTerrainSymbolUpdater ()
virtual void	init (DtTMArea *area)
	Initializes the updater by setting up the update callbacks.
virtual bool	calculateHeading (const DtTaitBryan &geocentricOrientation, const DtVector &disLocation, double &angle, DtVector &localHeading, DtTaitBryan &localOrientation, const Coordinate_System *cs) const
virtual double	greatCircleDistance (const DtVector &origin, const DtVector &end) const
	Given radian coordinates (lon in x, lat in y, alt in z) calculate the great circle distance between the two points using the semiMajor axis of the current map datum.
virtual double	headingAngleTo (const DtVector &observerPosition, const DtVector &targetPosition, const Coordinate_System &coordinateSystem) const
	Returns the heading angle in radians from observer position to target position.
virtual double	meterLengthOfDegreeOfLongitude (double lon) const
	Returns length of a degree of longitude. Must supply value in radians.
virtual double	meterLengthOfDegreeOfLatitude (double lat) const
	Returns length of a degree of latitude. Must supply value in radians.
virtual double	range (const QVector< DtPoint > *pnts, bool useGreatCircle=false) const
	Routines to get range and bearing information.
Static Public Member Functions
static DtTMSymbolUpdater *	create ()
	Returns a newly created instance of a DtTMSymbolUpdater.
static QString	convertFromSource (const DtPoint &pnt)
	Converts the current database point to the coordinate system currently selected by the user and returns a string that represents the single line representation of the x, y, z point.
static double	elevationAngleTo (const DtVector &observerPosition, const DtVector &targetPosition, const Coordinate_System &coordinateSystem)
	Returns the elevation angle in radians from observer position to target position.
static void	updateCompassDataCb (const DtTMSymbolUpdater *updater, DtSymbol &s, const DtModelData &d, void *usr)
	Symbol update callbacks.
static void	updateTerrainDataCb (const DtTMSymbolUpdater *updater, DtSymbol &s, const DtModelData &d, void *usr)
Protected Member Functions
virtual DtSymbol *	createTerrainNodeChildSymbol (const DtSpecification &spec, const DtTerrainModelData &data, void *usr) const
virtual DtSymbol *	createTerrainEdgeChildSymbol (const DtTerrainModelData &data, void *usr) const
virtual void	updateCompassOrigin (DtSymbol &s) const
	Given the compass symbol, update the origin (screen) to be reflective of the position on the screen, update the origin.
virtual bool	updateNodeOptions (DtCompositeSymbol *comp, const DtTMDisplayOptions *opt, const DtTerrainModelData &d, void *usr) const
virtual bool	updateEdgeOptions (DtCompositeSymbol *comp, const DtTMDisplayOptions *opt, const DtTerrainModelData &d, void *usr) const
virtual void	updateNodeSymbol (DtSymbol &s, DtTerrainModelData &, void *usr) const
virtual void	updateNodeSymbol (DtCompositeSymbol *comp, DtTerrainModelData &, void *usr) const
virtual void	updateEdgeSymbol (DtSymbol &s, DtTerrainModelData &, void *usr) const
virtual void	updateEdgeSymbol (DtCompositeSymbol *comp, DtTerrainModelData &, void *usr) const
virtual void	updateSymbol (DtLineSymbol &, const DtSpecification &, DtSegmentList &, DtTerrainModelData &, void *usr) const
	Inspect the model data to see if the point list needs to be updated.
virtual void	updateSymbol (DtCircleSymbol &, const DtSpecification &, DtSegmentList &, DtTerrainModelData &, void *usr) const
virtual void	updateSymbol (DtBoxSymbol &, const DtSpecification &, DtSegmentList &, DtTerrainModelData &, void *usr) const
virtual void	updateCompassData (DtSymbol &s, const DtCompassModelData &d, void *usr) const
virtual void	updateTerrainData (DtSymbol &s, DtTerrainModelData &d, void *usr) const

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Constructor & Destructor Documentation

DtTerrainSymbolUpdater::DtTerrainSymbolUpdater

(

)

virtual DtTerrainSymbolUpdater::~DtTerrainSymbolUpdater

(

)

[virtual]

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Member Function Documentation

static DtTMSymbolUpdater* DtTerrainSymbolUpdater::create

(

)

[static]

Returns a newly created instance of a DtTMSymbolUpdater.

Reimplemented from DtTMSymbolUpdater.

virtual void DtTerrainSymbolUpdater::init

(

DtTMArea *

area

)

[virtual]

Initializes the updater by setting up the update callbacks.

Reimplemented from DtTMSymbolUpdater.

virtual bool DtTerrainSymbolUpdater::calculateHeading	(	const DtTaitBryan &	geocentricOrientation,
		const DtVector &	disLocation,
		double &	angle,
		DtVector &	localHeading,
		DtTaitBryan &	localOrientation,
		const Coordinate_System *	cs
	)		const [virtual]

static QString DtTerrainSymbolUpdater::convertFromSource

(

const DtPoint &

pnt

)

[static]

Converts the current database point to the coordinate system currently selected by the user and returns a string that represents the single line representation of the x, y, z point.

static double DtTerrainSymbolUpdater::elevationAngleTo	(	const DtVector &	observerPosition,
		const DtVector &	targetPosition,
		const Coordinate_System &	coordinateSystem
	)		[static]

Returns the elevation angle in radians from observer position to target position.

Positions must be in the given coordinate system.

virtual double DtTerrainSymbolUpdater::greatCircleDistance	(	const DtVector &	origin,
		const DtVector &	end
	)		const [virtual]

Given radian coordinates (lon in x, lat in y, alt in z) calculate the great circle distance between the two points using the semiMajor axis of the current map datum.

virtual double DtTerrainSymbolUpdater::headingAngleTo	(	const DtVector &	observerPosition,
		const DtVector &	targetPosition,
		const Coordinate_System &	coordinateSystem
	)		const [virtual]

Returns the heading angle in radians from observer position to target position.

Positions must be in the given coordinate system.

virtual double DtTerrainSymbolUpdater::meterLengthOfDegreeOfLongitude

(

double

lon

)

const [virtual]

Returns length of a degree of longitude. Must supply value in radians.

virtual double DtTerrainSymbolUpdater::meterLengthOfDegreeOfLatitude

(

double

lat

)

const [virtual]

Returns length of a degree of latitude. Must supply value in radians.

virtual double DtTerrainSymbolUpdater::range	(	const QVector< DtPoint > *	pnts,
		bool	useGreatCircle = false
	)		const [virtual]

Routines to get range and bearing information.

Use greatCircle calculation if flag is true. Note that the pnts must be in radians in this case with the lon in x, lat in y and alt in z

virtual DtSymbol* DtTerrainSymbolUpdater::createTerrainNodeChildSymbol	(	const DtSpecification &	spec,
		const DtTerrainModelData &	data,
		void *	usr
	)		const [protected, virtual]

virtual DtSymbol* DtTerrainSymbolUpdater::createTerrainEdgeChildSymbol	(	const DtTerrainModelData &	data,
		void *	usr
	)		const [protected, virtual]

virtual void DtTerrainSymbolUpdater::updateCompassOrigin

(

DtSymbol &

s

)

const [protected, virtual]

Given the compass symbol, update the origin (screen) to be reflective of the position on the screen, update the origin.

virtual bool DtTerrainSymbolUpdater::updateNodeOptions	(	DtCompositeSymbol *	comp,
		const DtTMDisplayOptions *	opt,
		const DtTerrainModelData &	d,
		void *	usr
	)		const [protected, virtual]

virtual bool DtTerrainSymbolUpdater::updateEdgeOptions	(	DtCompositeSymbol *	comp,
		const DtTMDisplayOptions *	opt,
		const DtTerrainModelData &	d,
		void *	usr
	)		const [protected, virtual]

virtual void DtTerrainSymbolUpdater::updateNodeSymbol	(	DtSymbol &	s,
		DtTerrainModelData &	,
		void *	usr
	)		const [protected, virtual]

virtual void DtTerrainSymbolUpdater::updateNodeSymbol	(	DtCompositeSymbol *	comp,
		DtTerrainModelData &	,
		void *	usr
	)		const [protected, virtual]

virtual void DtTerrainSymbolUpdater::updateEdgeSymbol	(	DtSymbol &	s,
		DtTerrainModelData &	,
		void *	usr
	)		const [protected, virtual]

virtual void DtTerrainSymbolUpdater::updateEdgeSymbol	(	DtCompositeSymbol *	comp,
		DtTerrainModelData &	,
		void *	usr
	)		const [protected, virtual]

virtual void DtTerrainSymbolUpdater::updateSymbol	(	DtLineSymbol &	,
		const DtSpecification &	,
		DtSegmentList &	,
		DtTerrainModelData &	,
		void *	usr
	)		const [protected, virtual]

Inspect the model data to see if the point list needs to be updated.

If it does, then update the point list in both the model data and the symbol

virtual void DtTerrainSymbolUpdater::updateSymbol	(	DtCircleSymbol &	,
		const DtSpecification &	,
		DtSegmentList &	,
		DtTerrainModelData &	,
		void *	usr
	)		const [protected, virtual]

virtual void DtTerrainSymbolUpdater::updateSymbol	(	DtBoxSymbol &	,
		const DtSpecification &	,
		DtSegmentList &	,
		DtTerrainModelData &	,
		void *	usr
	)		const [protected, virtual]

virtual void DtTerrainSymbolUpdater::updateCompassData	(	DtSymbol &	s,
		const DtCompassModelData &	d,
		void *	usr
	)		const [protected, virtual]

Parameters:

Symbol

s must be a DtPointObjectSymbol

virtual void DtTerrainSymbolUpdater::updateTerrainData	(	DtSymbol &	s,
		DtTerrainModelData &	d,
		void *	usr
	)		const [protected, virtual]

Parameters:

Symbol

s must be a DtCompositeSymbol

static void DtTerrainSymbolUpdater::updateCompassDataCb	(	const DtTMSymbolUpdater *	updater,
		DtSymbol &	s,
		const DtModelData &	d,
		void *	usr
	)		[static]

Symbol update callbacks.

Updater must be a DtTerrainSymbolUpdater object type

Parameters:

Updater	must be a DtTerrainSymbolUpdater
Symbol	s must be a DtPointObjectSymbol
Model	data d must be a DtCompassModelData

static void DtTerrainSymbolUpdater::updateTerrainDataCb	(	const DtTMSymbolUpdater *	updater,
		DtSymbol &	s,
		const DtModelData &	d,
		void *	usr
	)		[static]

Parameters:

Updater	must be a DtTerrainSymbolUpdater
Symbol	s must be a DtCompositeSymbol
Model	data d must be a DtTerrainModelData

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

• include/terrainqt/terrainSymbolUpdater.h