luciad::ObservableGeometryUtil Class Reference

This class provides utility methods for Observable instance for Geometry. More...

#include <luciad/geometries/observable/ObservableGeometryUtil.h>

Public Member Functions
	ObservableGeometryUtil ()=delete

Static Public Member Functions
static std::shared_ptr< Observable< std::shared_ptr< ArcBand > > >	deriveArcBand (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable ArcBand from the given observable geometry by casting the geometry instance to a ArcBand instance. More...
static std::shared_ptr< Observable< std::shared_ptr< BezierCurve > > >	deriveBezierCurve (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable BezierCurve from the given observable geometry by casting the geometry instance to a BezierCurve instance. More...
static std::shared_ptr< Observable< std::shared_ptr< CircleBy3Points > > >	deriveCircleBy3Points (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable CircleBy3Points from the given observable geometry by casting the geometry instance to a CircleBy3Points instance. More...
static std::shared_ptr< Observable< std::shared_ptr< CircleByCenterPoint > > >	deriveCircleByCenterPoint (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable CircleByCenterPoint from the given observable geometry by casting the geometry instance to a circle instance. More...
static std::shared_ptr< Observable< std::shared_ptr< CircularArcBy3Points > > >	deriveCircularArcBy3Points (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable CircularArcBy3Points from the given observable geometry by casting the geometry instance to a CircularArcBy3Points instance. More...
static std::shared_ptr< Observable< std::shared_ptr< CircularArcByBulge > > >	deriveCircularArcByBulge (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable CircularArcByBulge from the given observable geometry by casting the geometry instance to a CircularArcByBulge instance. More...
static std::shared_ptr< Observable< std::shared_ptr< CircularArcByCenterPoint > > >	deriveCircularArcByCenterPoint (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable CircularArcByCenterPoint from the given observable geometry by casting the geometry instance to a CircularArcByCenterPoint instance. More...
static std::shared_ptr< Observable< std::shared_ptr< CompositeCurve > > >	deriveCompositeCurve (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable CompositeCurve from the given observable geometry by casting the geometry instance to a CompositeCurve instance. More...
static std::shared_ptr< Observable< std::shared_ptr< CompositePatch > > >	deriveCompositePatch (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable CompositePatch from the given observable geometry by casting the geometry instance to a CompositePatch instance. More...
static std::shared_ptr< Observable< std::shared_ptr< CompositeRing > > >	deriveCompositeRing (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable CompositeRing from the given observable geometry by casting the geometry instance to a CompositeRing instance. More...
static std::shared_ptr< Observable< std::shared_ptr< Curve > > >	deriveCurve (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable Curve from the given observable geometry by casting the geometry instance to a Curve instance. More...
static std::shared_ptr< Observable< std::shared_ptr< Ellipse > > >	deriveEllipse (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable Ellipse from the given observable geometry by casting the geometry instance to an ellipse instance. More...
static std::shared_ptr< Observable< std::shared_ptr< EllipticalArc > > >	deriveEllipticalArc (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable EllipticalArc from the given observable geometry by casting the geometry instance to a EllipticalArc instance. More...
static std::shared_ptr< Observable< std::shared_ptr< ExtrudedGeometry > > >	deriveExtrudedGeometry (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable ExtrudedGeometry from the given observable geometry by casting the geometry instance to a ExtrudedGeometry instance. More...
static std::shared_ptr< Observable< std::shared_ptr< Line > > >	deriveLine (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable Line from the given observable geometry by casting the geometry instance to a Line instance. More...
static std::shared_ptr< Observable< std::shared_ptr< MultiGeometry > > >	deriveMultiGeometry (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable MultiGeometry from the given observable geometry by casting the geometry instance to a MultiGeometry instance. More...
static std::shared_ptr< Observable< std::shared_ptr< Patch > > >	derivePatch (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable Patch from the given observable geometry by casting the geometry instance to a patch instance. More...
static std::shared_ptr< Observable< std::shared_ptr< Point > > >	derivePoint (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable Point from the given observable geometry by casting the geometry instance to a point instance. More...
static std::shared_ptr< Observable< std::shared_ptr< Polygon > > >	derivePolygon (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable Polygon from the given observable geometry by casting the geometry instance to a Polygon instance. More...
static std::shared_ptr< Observable< std::shared_ptr< Polyline > > >	derivePolyline (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable Polyline from the given observable geometry by casting the geometry instance to a polyline instance. More...
static std::shared_ptr< Observable< std::shared_ptr< PolylineRing > > >	derivePolylineRing (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable PolylineRing from the given observable geometry by casting the geometry instance to a polyline ring instance. More...
static std::shared_ptr< Observable< std::shared_ptr< Ring > > >	deriveRing (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable Ring from the given observable geometry by casting the geometry instance to a Ring instance. More...
static std::shared_ptr< Observable< std::shared_ptr< Surface > > >	deriveSurface (const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &observableGeometry)
	Derives an Observable Surface from the given observable geometry by casting the geometry instance to a Surface instance. More...

Detailed Description

This class provides utility methods for Observable instance for Geometry.

Since

2020.1

Constructor & Destructor Documentation

ObservableGeometryUtil()

luciad::ObservableGeometryUtil::ObservableGeometryUtil ( )

delete

Member Function Documentation

deriveArcBand()

static std::shared_ptr< Observable< std::shared_ptr< ArcBand > > > luciad::ObservableGeometryUtil::deriveArcBand ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable ArcBand from the given observable geometry by casting the geometry instance to a ArcBand instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a ArcBand, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the ArcBand

Returns

a derived Observable

Since

2023.1.02

deriveBezierCurve()

static std::shared_ptr< Observable< std::shared_ptr< BezierCurve > > > luciad::ObservableGeometryUtil::deriveBezierCurve ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable BezierCurve from the given observable geometry by casting the geometry instance to a BezierCurve instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a BezierCurve, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the BezierCurve

Returns

a derived Observable

Since

2023.1.02

deriveCircleBy3Points()

static std::shared_ptr< Observable< std::shared_ptr< CircleBy3Points > > > luciad::ObservableGeometryUtil::deriveCircleBy3Points ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable CircleBy3Points from the given observable geometry by casting the geometry instance to a CircleBy3Points instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a CircleBy3Points, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the CircleBy3Points

Returns

a derived Observable

Since

2023.1.02

deriveCircleByCenterPoint()

static std::shared_ptr< Observable< std::shared_ptr< CircleByCenterPoint > > > luciad::ObservableGeometryUtil::deriveCircleByCenterPoint ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable CircleByCenterPoint from the given observable geometry by casting the geometry instance to a circle instance.

This observable circle will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a circle, the observable circle instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the observable circle instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the circle

Returns

a derived Observable

deriveCircularArcBy3Points()

static std::shared_ptr< Observable< std::shared_ptr< CircularArcBy3Points > > > luciad::ObservableGeometryUtil::deriveCircularArcBy3Points ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable CircularArcBy3Points from the given observable geometry by casting the geometry instance to a CircularArcBy3Points instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a CircularArcBy3Points, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the CircularArcBy3Points

Returns

a derived Observable

Since

2023.1.02

deriveCircularArcByBulge()

static std::shared_ptr< Observable< std::shared_ptr< CircularArcByBulge > > > luciad::ObservableGeometryUtil::deriveCircularArcByBulge ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable CircularArcByBulge from the given observable geometry by casting the geometry instance to a CircularArcByBulge instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a CircularArcByBulge, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the CircularArcByBulge

Returns

a derived Observable

Since

2023.1.02

deriveCircularArcByCenterPoint()

static std::shared_ptr< Observable< std::shared_ptr< CircularArcByCenterPoint > > > luciad::ObservableGeometryUtil::deriveCircularArcByCenterPoint ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable CircularArcByCenterPoint from the given observable geometry by casting the geometry instance to a CircularArcByCenterPoint instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a CircularArcByCenterPoint, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the CircularArcByCenterPoint

Returns

a derived Observable

Since

2023.1.02

deriveCompositeCurve()

static std::shared_ptr< Observable< std::shared_ptr< CompositeCurve > > > luciad::ObservableGeometryUtil::deriveCompositeCurve ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable CompositeCurve from the given observable geometry by casting the geometry instance to a CompositeCurve instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a CompositeCurve, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the CompositeCurve

Returns

a derived Observable

Since

2023.1.02

deriveCompositePatch()

static std::shared_ptr< Observable< std::shared_ptr< CompositePatch > > > luciad::ObservableGeometryUtil::deriveCompositePatch ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable CompositePatch from the given observable geometry by casting the geometry instance to a CompositePatch instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a CompositePatch, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the CompositePatch

Returns

a derived Observable

Since

2023.1.02

deriveCompositeRing()

static std::shared_ptr< Observable< std::shared_ptr< CompositeRing > > > luciad::ObservableGeometryUtil::deriveCompositeRing ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable CompositeRing from the given observable geometry by casting the geometry instance to a CompositeRing instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a CompositeRing, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the CompositeRing

Returns

a derived Observable

Since

2023.1.02

deriveCurve()

static std::shared_ptr< Observable< std::shared_ptr< Curve > > > luciad::ObservableGeometryUtil::deriveCurve ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable Curve from the given observable geometry by casting the geometry instance to a Curve instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a Curve, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the Curve

Returns

a derived Observable

Since

2023.1.02

deriveEllipse()

static std::shared_ptr< Observable< std::shared_ptr< Ellipse > > > luciad::ObservableGeometryUtil::deriveEllipse ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable Ellipse from the given observable geometry by casting the geometry instance to an ellipse instance.

This observable ellipse will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a ellipse, the observable ellipse instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the observable ellipse instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the ellipse

Returns

a derived Observable

deriveEllipticalArc()

static std::shared_ptr< Observable< std::shared_ptr< EllipticalArc > > > luciad::ObservableGeometryUtil::deriveEllipticalArc ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable EllipticalArc from the given observable geometry by casting the geometry instance to a EllipticalArc instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a EllipticalArc, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the EllipticalArc

Returns

a derived Observable

Since

2023.1.02

deriveExtrudedGeometry()

static std::shared_ptr< Observable< std::shared_ptr< ExtrudedGeometry > > > luciad::ObservableGeometryUtil::deriveExtrudedGeometry ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable ExtrudedGeometry from the given observable geometry by casting the geometry instance to a ExtrudedGeometry instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a ExtrudedGeometry, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the ExtrudedGeometry

Returns

a derived Observable

Since

2023.1.02

deriveLine()

static std::shared_ptr< Observable< std::shared_ptr< Line > > > luciad::ObservableGeometryUtil::deriveLine ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable Line from the given observable geometry by casting the geometry instance to a Line instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a Line, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the Line

Returns

a derived Observable

Since

2023.1.02

deriveMultiGeometry()

static std::shared_ptr< Observable< std::shared_ptr< MultiGeometry > > > luciad::ObservableGeometryUtil::deriveMultiGeometry ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable MultiGeometry from the given observable geometry by casting the geometry instance to a MultiGeometry instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a MultiGeometry, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the MultiGeometry

Returns

a derived Observable

Since

2023.1.02

derivePatch()

static std::shared_ptr< Observable< std::shared_ptr< Patch > > > luciad::ObservableGeometryUtil::derivePatch ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable Patch from the given observable geometry by casting the geometry instance to a patch instance.

This observable patch will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a patch, the observable patch instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the observable patch instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the patch

Returns

a derived Observable

derivePoint()

static std::shared_ptr< Observable< std::shared_ptr< Point > > > luciad::ObservableGeometryUtil::derivePoint ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable Point from the given observable geometry by casting the geometry instance to a point instance.

This observable point will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a point, the observable point instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the observable point instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the point

Returns

a derived Observable

derivePolygon()

static std::shared_ptr< Observable< std::shared_ptr< Polygon > > > luciad::ObservableGeometryUtil::derivePolygon ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable Polygon from the given observable geometry by casting the geometry instance to a Polygon instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a Polygon, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the Polygon

Returns

a derived Observable

Since

2023.1.02

derivePolyline()

static std::shared_ptr< Observable< std::shared_ptr< Polyline > > > luciad::ObservableGeometryUtil::derivePolyline ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable Polyline from the given observable geometry by casting the geometry instance to a polyline instance.

This observable polyline will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a polyline, the observable polyline instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the observable polyline instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the polyline

Returns

a derived Observable

derivePolylineRing()

static std::shared_ptr< Observable< std::shared_ptr< PolylineRing > > > luciad::ObservableGeometryUtil::derivePolylineRing ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable PolylineRing from the given observable geometry by casting the geometry instance to a polyline ring instance.

This observable polyline ring will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a polyline ring, the observable polyline ring instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the observable polyline ring instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the polyline ring

Returns

a derived Observable

deriveRing()

static std::shared_ptr< Observable< std::shared_ptr< Ring > > > luciad::ObservableGeometryUtil::deriveRing ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable Ring from the given observable geometry by casting the geometry instance to a Ring instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a Ring, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the Ring

Returns

a derived Observable

Since

2023.1.02

deriveSurface()

static std::shared_ptr< Observable< std::shared_ptr< Surface > > > luciad::ObservableGeometryUtil::deriveSurface ( const std::shared_ptr< Observable< std::shared_ptr< Geometry > > > &  observableGeometry )

static

Derives an Observable Surface from the given observable geometry by casting the geometry instance to a Surface instance.

This new observable will be updated when the given observable geometry changes.

Notes:

• When the observable geometry can not be cast to a Surface, the new observable instance will contain a nullptr value.
• When the observable geometry contains a nullptr value, the new observable instance will contain a nullptr value too.
• Observable::setValue will throw an exception for derived instances.

Parameters

observableGeometry

an observable geometry from which to derive the Surface

Returns

a derived Observable

Since

2023.1.02