This class is an interface for different types of selecting intersector, defining different selection types, like point, box or polyline selection. It contains signatures of functions for detection of overlap by sensitive entity and initializes some data for building the selecting intersector. More...

#include <SelectMgr_BaseIntersector.hxx>

Inheritance diagram for SelectMgr_BaseIntersector:

[legend]

Public Member Functions
	SelectMgr_BaseIntersector ()
	Creates new empty selecting volume. More...

virtual	~SelectMgr_BaseIntersector ()
	Destructor. More...

virtual void	Build ()=0
	Builds intersector according to internal parameters. More...

SelectMgr_SelectionType	GetSelectionType () const
	Returns selection type of this intersector. More...

virtual Standard_Boolean	IsScalable () const =0
	Checks if it is possible to scale this intersector. More...

virtual void	SetPixelTolerance (const Standard_Integer theTol)
	Sets pixel tolerance. It makes sense only for scalable intersectors (built on a single point). This method does nothing for the base class. More...

virtual Handle< SelectMgr_BaseIntersector >	ScaleAndTransform (const Standard_Integer theScaleFactor, const gp_GTrsf &theTrsf, const Handle< SelectMgr_FrustumBuilder > &theBuilder) const =0
	Note that this method does not perform any checks on type of the frustum. More...

const Handle< Graphic3d_Camera > &	Camera () const
	Return camera definition. More...

virtual void	SetCamera (const Handle< Graphic3d_Camera > &theCamera)
	Saves camera definition. More...

virtual void	WindowSize (Standard_Integer &theWidth, Standard_Integer &theHeight) const
	Returns current window size. This method doesn't set any output values for the base class. More...

virtual void	SetWindowSize (const Standard_Integer theWidth, const Standard_Integer theHeight)
	Sets current window size. This method does nothing for the base class. More...

virtual void	SetViewport (const Standard_Real theX, const Standard_Real theY, const Standard_Real theWidth, const Standard_Real theHeight)
	Sets viewport parameters. This method does nothing for the base class. More...

virtual const gp_Pnt &	GetNearPnt () const
	Returns near point of intersector. This method returns zero point for the base class. More...

virtual const gp_Pnt &	GetFarPnt () const
	Returns far point of intersector. This method returns zero point for the base class. More...

virtual const gp_Dir &	GetViewRayDirection () const
	Returns direction ray of intersector. This method returns zero direction for the base class. More...

virtual const gp_Pnt2d &	GetMousePosition () const
	Returns current mouse coordinates. This method returns infinite point for the base class. More...

virtual void	GetPlanes (NCollection_Vector< SelectMgr_Vec4 > &thePlaneEquations) const
	Stores plane equation coefficients (in the following form: Ax + By + Cz + D = 0) to the given vector. This method only clears input vector for the base class. More...

virtual Standard_Boolean	OverlapsBox (const SelectMgr_Vec3 &theBoxMin, const SelectMgr_Vec3 &theBoxMax, const SelectMgr_ViewClipRange &theClipRange, SelectBasics_PickResult &thePickResult) const =0
	SAT intersection test between defined volume and given axis-aligned box. More...

virtual Standard_Boolean	OverlapsBox (const SelectMgr_Vec3 &theBoxMin, const SelectMgr_Vec3 &theBoxMax, Standard_Boolean *theInside=NULL) const =0
	Returns true if selecting volume is overlapped by axis-aligned bounding box with minimum corner at point theMinPt and maximum at point theMaxPt. More...

virtual Standard_Boolean	OverlapsPoint (const gp_Pnt &thePnt, const SelectMgr_ViewClipRange &theClipRange, SelectBasics_PickResult &thePickResult) const =0
	Intersection test between defined volume and given point. More...

virtual Standard_Boolean	OverlapsPoint (const gp_Pnt &thePnt) const =0
	Intersection test between defined volume and given point Does not perform depth calculation, so this method is defined as helper function for inclusion test. Therefore, its implementation makes sense only for rectangular frustum with box selection mode activated. More...

virtual Standard_Boolean	OverlapsPolygon (const TColgp_Array1OfPnt &theArrayOfPnts, Select3D_TypeOfSensitivity theSensType, const SelectMgr_ViewClipRange &theClipRange, SelectBasics_PickResult &thePickResult) const =0
	SAT intersection test between defined volume and given ordered set of points, representing line segments. The test may be considered of interior part or boundary line defined by segments depending on given sensitivity type. More...

virtual Standard_Boolean	OverlapsSegment (const gp_Pnt &thePnt1, const gp_Pnt &thePnt2, const SelectMgr_ViewClipRange &theClipRange, SelectBasics_PickResult &thePickResult) const =0
	Checks if line segment overlaps selecting frustum. More...

virtual Standard_Boolean	OverlapsTriangle (const gp_Pnt &thePnt1, const gp_Pnt &thePnt2, const gp_Pnt &thePnt3, Select3D_TypeOfSensitivity theSensType, const SelectMgr_ViewClipRange &theClipRange, SelectBasics_PickResult &thePickResult) const =0
	SAT intersection test between defined volume and given triangle. The test may be considered of interior part or boundary line defined by triangle vertices depending on given sensitivity type. More...

virtual Standard_Boolean	OverlapsSphere (const gp_Pnt &theCenter, const Standard_Real theRadius, Standard_Boolean *theInside=NULL) const =0
	Returns true if selecting volume is overlapped by sphere with center theCenter and radius theRadius. More...

virtual Standard_Boolean	OverlapsSphere (const gp_Pnt &theCenter, const Standard_Real theRadius, const SelectMgr_ViewClipRange &theClipRange, SelectBasics_PickResult &thePickResult) const =0
	Returns true if selecting volume is overlapped by sphere with center theCenter and radius theRadius. More...

virtual Standard_Boolean	OverlapsCylinder (const Standard_Real theBottomRad, const Standard_Real theTopRad, const Standard_Real theHeight, const gp_Trsf &theTrsf, const Standard_Boolean theIsHollow, const SelectMgr_ViewClipRange &theClipRange, SelectBasics_PickResult &thePickResult) const =0
	Returns true if selecting volume is overlapped by cylinder (or cone) with radiuses theBottomRad and theTopRad, height theHeight and transformation to apply theTrsf. More...

virtual Standard_Boolean	OverlapsCylinder (const Standard_Real theBottomRad, const Standard_Real theTopRad, const Standard_Real theHeight, const gp_Trsf &theTrsf, const Standard_Boolean theIsHollow, Standard_Boolean *theInside=NULL) const =0
	Returns true if selecting volume is overlapped by cylinder (or cone) with radiuses theBottomRad and theTopRad, height theHeight and transformation to apply theTrsf. More...

virtual Standard_Boolean	OverlapsCircle (const Standard_Real theBottomRad, const gp_Trsf &theTrsf, const Standard_Boolean theIsFilled, const SelectMgr_ViewClipRange &theClipRange, SelectBasics_PickResult &thePickResult) const =0
	Returns true if selecting volume is overlapped by circle with radius theRadius, boolean theIsFilled and transformation to apply theTrsf. The position and orientation of the circle are specified via theTrsf transformation for gp::XOY() with center in gp::Origin(). More...

virtual Standard_Boolean	OverlapsCircle (const Standard_Real theBottomRad, const gp_Trsf &theTrsf, const Standard_Boolean theIsFilled, Standard_Boolean *theInside=NULL) const =0
	Returns true if selecting volume is overlapped by circle with radius theRadius, boolean theIsFilled and transformation to apply theTrsf. The position and orientation of the circle are specified via theTrsf transformation for gp::XOY() with center in gp::Origin(). More...

virtual Standard_Real	DistToGeometryCenter (const gp_Pnt &theCOG) const
	Measures distance between 3d projection of user-picked screen point and given point theCOG. It makes sense only for intersectors built on a single point. This method returns infinite value for the base class. More...

virtual gp_Pnt	DetectedPoint (const Standard_Real theDepth) const
	Calculates the point on a view ray that was detected during the run of selection algo by given depth. It makes sense only for intersectors built on a single point. This method returns infinite point for the base class. More...

virtual void	DumpJson (Standard_OStream &theOStream, Standard_Integer theDepth=-1) const
	Dumps the content of me into the stream. More...

virtual Standard_Boolean	RaySphereIntersection (const gp_Pnt &theCenter, const Standard_Real theRadius, const gp_Pnt &theLoc, const gp_Dir &theRayDir, Standard_Real &theTimeEnter, Standard_Real &theTimeLeave) const
	Checks whether the ray that starts at the point theLoc and directs with the direction theRayDir intersects with the sphere with center at theCenter and radius TheRadius. More...

virtual Standard_Boolean	RayCylinderIntersection (const Standard_Real theBottomRadius, const Standard_Real theTopRadius, const Standard_Real theHeight, const gp_Pnt &theLoc, const gp_Dir &theRayDir, const Standard_Boolean theIsHollow, Standard_Real &theTimeEnter, Standard_Real &theTimeLeave) const
	Checks whether the ray that starts at the point theLoc and directs with the direction theRayDir intersects with the hollow cylinder (or cone) More...

virtual Standard_Boolean	RayCircleIntersection (const Standard_Real theRadius, const gp_Pnt &theLoc, const gp_Dir &theRayDir, const Standard_Boolean theIsFilled, Standard_Real &theTime) const
	Checks whether the ray that starts at the point theLoc and directs with the direction theRayDir intersects with the circle. More...

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor. More...

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing. More...

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter. More...

virtual	~Standard_Transient ()
	Destructor must be virtual. More...

virtual void	Delete () const
	Memory deallocator for transient classes. More...

virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object. More...

Standard_Boolean	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type. More...

Standard_Boolean	IsInstance (const Standard_CString theTypeName) const
	Returns a true value if this is an instance of TypeName. More...

Standard_Boolean	IsKind (const opencascade::handle< Standard_Type > &theType) const
	Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

Standard_Boolean	IsKind (const Standard_CString theTypeName) const
	Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

Standard_Transient *	This () const
	Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero. More...

Standard_Integer	GetRefCount () const
	Get the reference counter of this object. More...

void	IncrementRefCounter () const
	Increments the reference counter of this object. More...

Standard_Integer	DecrementRefCounter () const
	Decrements the reference counter of this object; returns the decremented value. More...

Protected Attributes
Handle< Graphic3d_Camera >	myCamera
	camera definition (if builder isn't NULL it is the same as its camera) More...

SelectMgr_SelectionType	mySelectionType
	type of selection More...

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object. More...

Static Public Member Functions inherited from Standard_Transient
static const char *	get_type_name ()
	Returns a type descriptor about this object. More...

static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class. More...

Detailed Description

This class is an interface for different types of selecting intersector, defining different selection types, like point, box or polyline selection. It contains signatures of functions for detection of overlap by sensitive entity and initializes some data for building the selecting intersector.

Constructor & Destructor Documentation

◆ SelectMgr_BaseIntersector()

SelectMgr_BaseIntersector::SelectMgr_BaseIntersector ( )

Creates new empty selecting volume.

◆ ~SelectMgr_BaseIntersector()

virtual SelectMgr_BaseIntersector::~SelectMgr_BaseIntersector ( )

virtual

Destructor.

Member Function Documentation

◆ Build()

virtual void SelectMgr_BaseIntersector::Build ( )

pure virtual

Builds intersector according to internal parameters.

Implemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ Camera()

const Handle< Graphic3d_Camera >& SelectMgr_BaseIntersector::Camera ( ) const

inline

Return camera definition.

◆ DetectedPoint()

virtual gp_Pnt SelectMgr_BaseIntersector::DetectedPoint ( const Standard_Real theDepth ) const

virtual

Calculates the point on a view ray that was detected during the run of selection algo by given depth. It makes sense only for intersectors built on a single point. This method returns infinite point for the base class.

Reimplemented in SelectMgr_TriangularFrustumSet, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ DistToGeometryCenter()

virtual Standard_Real SelectMgr_BaseIntersector::DistToGeometryCenter ( const gp_Pnt & theCOG ) const

virtual

Measures distance between 3d projection of user-picked screen point and given point theCOG. It makes sense only for intersectors built on a single point. This method returns infinite value for the base class.

Reimplemented in SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ DumpJson()

virtual void SelectMgr_BaseIntersector::DumpJson	(	Standard_OStream &	theOStream,
		Standard_Integer	theDepth = `-1`
	)		const

virtual

Dumps the content of me into the stream.

Reimplemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_RectangularFrustum, SelectMgr_Frustum< N >, SelectMgr_Frustum< 3 >, SelectMgr_Frustum< 4 >, SelectMgr_BaseFrustum, and SelectMgr_AxisIntersector.

◆ GetFarPnt()

virtual const gp_Pnt& SelectMgr_BaseIntersector::GetFarPnt ( ) const

virtual

Returns far point of intersector. This method returns zero point for the base class.

Reimplemented in SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ GetMousePosition()

virtual const gp_Pnt2d& SelectMgr_BaseIntersector::GetMousePosition ( ) const

virtual

Returns current mouse coordinates. This method returns infinite point for the base class.

Reimplemented in SelectMgr_RectangularFrustum.

◆ GetNearPnt()

virtual const gp_Pnt& SelectMgr_BaseIntersector::GetNearPnt ( ) const

virtual

Returns near point of intersector. This method returns zero point for the base class.

Reimplemented in SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ GetPlanes()

virtual void SelectMgr_BaseIntersector::GetPlanes ( NCollection_Vector< SelectMgr_Vec4 > & thePlaneEquations ) const

inlinevirtual

Stores plane equation coefficients (in the following form: Ax + By + Cz + D = 0) to the given vector. This method only clears input vector for the base class.

Reimplemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, and SelectMgr_RectangularFrustum.

◆ GetSelectionType()

SelectMgr_SelectionType SelectMgr_BaseIntersector::GetSelectionType ( ) const

inline

Returns selection type of this intersector.

◆ GetViewRayDirection()

virtual const gp_Dir& SelectMgr_BaseIntersector::GetViewRayDirection ( ) const

virtual

Returns direction ray of intersector. This method returns zero direction for the base class.

Reimplemented in SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ IsScalable()

virtual Standard_Boolean SelectMgr_BaseIntersector::IsScalable ( ) const

pure virtual

Checks if it is possible to scale this intersector.

Implemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ OverlapsBox() [1/2]

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsBox	(	const SelectMgr_Vec3 &	theBoxMin,
		const SelectMgr_Vec3 &	theBoxMax,
		const SelectMgr_ViewClipRange &	theClipRange,
		SelectBasics_PickResult &	thePickResult
	)		const

pure virtual

SAT intersection test between defined volume and given axis-aligned box.

Implemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ OverlapsBox() [2/2]

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsBox	(	const SelectMgr_Vec3 &	theBoxMin,
		const SelectMgr_Vec3 &	theBoxMax,
		Standard_Boolean *	theInside = `NULL`
	)		const

pure virtual

Returns true if selecting volume is overlapped by axis-aligned bounding box with minimum corner at point theMinPt and maximum at point theMaxPt.

Implemented in SelectMgr_TriangularFrustum, SelectMgr_TriangularFrustumSet, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ OverlapsCircle() [1/2]

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsCircle	(	const Standard_Real	theBottomRad,
		const gp_Trsf &	theTrsf,
		const Standard_Boolean	theIsFilled,
		const SelectMgr_ViewClipRange &	theClipRange,
		SelectBasics_PickResult &	thePickResult
	)		const

pure virtual

Returns true if selecting volume is overlapped by circle with radius theRadius, boolean theIsFilled and transformation to apply theTrsf. The position and orientation of the circle are specified via theTrsf transformation for gp::XOY() with center in gp::Origin().

Implemented in SelectMgr_TriangularFrustum, SelectMgr_AxisIntersector, SelectMgr_TriangularFrustumSet, and SelectMgr_RectangularFrustum.

◆ OverlapsCircle() [2/2]

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsCircle	(	const Standard_Real	theBottomRad,
		const gp_Trsf &	theTrsf,
		const Standard_Boolean	theIsFilled,
		Standard_Boolean *	theInside = `NULL`
	)		const

pure virtual

Returns true if selecting volume is overlapped by circle with radius theRadius, boolean theIsFilled and transformation to apply theTrsf. The position and orientation of the circle are specified via theTrsf transformation for gp::XOY() with center in gp::Origin().

Implemented in SelectMgr_TriangularFrustum, SelectMgr_AxisIntersector, SelectMgr_TriangularFrustumSet, and SelectMgr_RectangularFrustum.

◆ OverlapsCylinder() [1/2]

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsCylinder	(	const Standard_Real	theBottomRad,
		const Standard_Real	theTopRad,
		const Standard_Real	theHeight,
		const gp_Trsf &	theTrsf,
		const Standard_Boolean	theIsHollow,
		const SelectMgr_ViewClipRange &	theClipRange,
		SelectBasics_PickResult &	thePickResult
	)		const

pure virtual

Returns true if selecting volume is overlapped by cylinder (or cone) with radiuses theBottomRad and theTopRad, height theHeight and transformation to apply theTrsf.

Implemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ OverlapsCylinder() [2/2]

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsCylinder	(	const Standard_Real	theBottomRad,
		const Standard_Real	theTopRad,
		const Standard_Real	theHeight,
		const gp_Trsf &	theTrsf,
		const Standard_Boolean	theIsHollow,
		Standard_Boolean *	theInside = `NULL`
	)		const

pure virtual

Returns true if selecting volume is overlapped by cylinder (or cone) with radiuses theBottomRad and theTopRad, height theHeight and transformation to apply theTrsf.

Implemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ OverlapsPoint() [1/2]

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsPoint ( const gp_Pnt & thePnt ) const

pure virtual

Intersection test between defined volume and given point Does not perform depth calculation, so this method is defined as helper function for inclusion test. Therefore, its implementation makes sense only for rectangular frustum with box selection mode activated.

Implemented in SelectMgr_RectangularFrustum, SelectMgr_AxisIntersector, SelectMgr_TriangularFrustumSet, and SelectMgr_TriangularFrustum.

◆ OverlapsPoint() [2/2]

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsPoint	(	const gp_Pnt &	thePnt,
		const SelectMgr_ViewClipRange &	theClipRange,
		SelectBasics_PickResult &	thePickResult
	)		const

pure virtual

Intersection test between defined volume and given point.

Implemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ OverlapsPolygon()

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsPolygon	(	const TColgp_Array1OfPnt &	theArrayOfPnts,
		Select3D_TypeOfSensitivity	theSensType,
		const SelectMgr_ViewClipRange &	theClipRange,
		SelectBasics_PickResult &	thePickResult
	)		const

pure virtual

SAT intersection test between defined volume and given ordered set of points, representing line segments. The test may be considered of interior part or boundary line defined by segments depending on given sensitivity type.

Implemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ OverlapsSegment()

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsSegment	(	const gp_Pnt &	thePnt1,
		const gp_Pnt &	thePnt2,
		const SelectMgr_ViewClipRange &	theClipRange,
		SelectBasics_PickResult &	thePickResult
	)		const

pure virtual

Checks if line segment overlaps selecting frustum.

Implemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ OverlapsSphere() [1/2]

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsSphere	(	const gp_Pnt &	theCenter,
		const Standard_Real	theRadius,
		const SelectMgr_ViewClipRange &	theClipRange,
		SelectBasics_PickResult &	thePickResult
	)		const

pure virtual

Returns true if selecting volume is overlapped by sphere with center theCenter and radius theRadius.

Implemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ OverlapsSphere() [2/2]

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsSphere	(	const gp_Pnt &	theCenter,
		const Standard_Real	theRadius,
		Standard_Boolean *	theInside = `NULL`
	)		const

pure virtual

Returns true if selecting volume is overlapped by sphere with center theCenter and radius theRadius.

Implemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_AxisIntersector, and SelectMgr_RectangularFrustum.

◆ OverlapsTriangle()

virtual Standard_Boolean SelectMgr_BaseIntersector::OverlapsTriangle	(	const gp_Pnt &	thePnt1,
		const gp_Pnt &	thePnt2,
		const gp_Pnt &	thePnt3,
		Select3D_TypeOfSensitivity	theSensType,
		const SelectMgr_ViewClipRange &	theClipRange,
		SelectBasics_PickResult &	thePickResult
	)		const

pure virtual

SAT intersection test between defined volume and given triangle. The test may be considered of interior part or boundary line defined by triangle vertices depending on given sensitivity type.

Implemented in SelectMgr_TriangularFrustumSet, SelectMgr_TriangularFrustum, SelectMgr_RectangularFrustum, and SelectMgr_AxisIntersector.

◆ RayCircleIntersection()

virtual Standard_Boolean SelectMgr_BaseIntersector::RayCircleIntersection	(	const Standard_Real	theRadius,
		const gp_Pnt &	theLoc,
		const gp_Dir &	theRayDir,
		const Standard_Boolean	theIsFilled,
		Standard_Real &	theTime
	)		const

virtual

Checks whether the ray that starts at the point theLoc and directs with the direction theRayDir intersects with the circle.

Parameters

[in]	theRadius	the circle radius
[in]	theLoc	the location of the ray
[in]	theRayDir	the ray direction
[in]	theIsFilled	true if it's a circle, false if it's a circle outline
[out]	theTime	the intersection

◆ RayCylinderIntersection()

virtual Standard_Boolean SelectMgr_BaseIntersector::RayCylinderIntersection	(	const Standard_Real	theBottomRadius,
		const Standard_Real	theTopRadius,
		const Standard_Real	theHeight,
		const gp_Pnt &	theLoc,
		const gp_Dir &	theRayDir,
		const Standard_Boolean	theIsHollow,
		Standard_Real &	theTimeEnter,
		Standard_Real &	theTimeLeave
	)		const

virtual

Checks whether the ray that starts at the point theLoc and directs with the direction theRayDir intersects with the hollow cylinder (or cone)

Parameters

[in]	theBottomRadius	the bottom cylinder radius
[in]	theTopRadius	the top cylinder radius
[in]	theHeight	the cylinder height
[in]	theLoc	the location of the ray
[in]	theRayDir	the ray direction
[in]	theIsHollow	true if the cylinder is hollow
[out]	theTimeEnter	the entering the intersection
[out]	theTimeLeave	the leaving the intersection

◆ RaySphereIntersection()

virtual Standard_Boolean SelectMgr_BaseIntersector::RaySphereIntersection	(	const gp_Pnt &	theCenter,
		const Standard_Real	theRadius,
		const gp_Pnt &	theLoc,
		const gp_Dir &	theRayDir,
		Standard_Real &	theTimeEnter,
		Standard_Real &	theTimeLeave
	)		const

virtual

Checks whether the ray that starts at the point theLoc and directs with the direction theRayDir intersects with the sphere with center at theCenter and radius TheRadius.

◆ ScaleAndTransform()

virtual Handle< SelectMgr_BaseIntersector > SelectMgr_BaseIntersector::ScaleAndTransform	(	const Standard_Integer	theScaleFactor,
		const gp_GTrsf &	theTrsf,
		const Handle< SelectMgr_FrustumBuilder > &	theBuilder
	)		const

pure virtual

Note that this method does not perform any checks on type of the frustum.

Parameters

theScaleFactor	[in] scale factor for new intersector or negative value if undefined; IMPORTANT: scaling makes sense only for scalable ::IsScalable() intersectors (built on a single point)!
theTrsf	[in] transformation for new intersector or gp_Identity if undefined
theBuilder	[in] an optional argument that represents corresponding settings for re-constructing transformed frustum from scratch; could be NULL if reconstruction is not expected furthermore

Returns: a copy of the frustum resized according to the scale factor given and transforms it using the matrix given

Implemented in SelectMgr_RectangularFrustum, SelectMgr_AxisIntersector, SelectMgr_TriangularFrustumSet, and SelectMgr_TriangularFrustum.

◆ SetCamera()

virtual void SelectMgr_BaseIntersector::SetCamera ( const Handle< Graphic3d_Camera > & theCamera )

virtual

Saves camera definition.

Reimplemented in SelectMgr_BaseFrustum, and SelectMgr_AxisIntersector.

◆ SetPixelTolerance()

virtual void SelectMgr_BaseIntersector::SetPixelTolerance ( const Standard_Integer theTol )

virtual

Sets pixel tolerance. It makes sense only for scalable intersectors (built on a single point). This method does nothing for the base class.

Reimplemented in SelectMgr_BaseFrustum.

◆ SetViewport()

virtual void SelectMgr_BaseIntersector::SetViewport	(	const Standard_Real	theX,
		const Standard_Real	theY,
		const Standard_Real	theWidth,
		const Standard_Real	theHeight
	)

virtual

Sets viewport parameters. This method does nothing for the base class.

Reimplemented in SelectMgr_BaseFrustum.

◆ SetWindowSize()

virtual void SelectMgr_BaseIntersector::SetWindowSize	(	const Standard_Integer	theWidth,
		const Standard_Integer	theHeight
	)

virtual

Sets current window size. This method does nothing for the base class.

Reimplemented in SelectMgr_BaseFrustum.

◆ WindowSize()

virtual void SelectMgr_BaseIntersector::WindowSize	(	Standard_Integer &	theWidth,
		Standard_Integer &	theHeight
	)		const

virtual

Returns current window size. This method doesn't set any output values for the base class.

Reimplemented in SelectMgr_BaseFrustum.

Field Documentation

◆ myCamera

Handle< Graphic3d_Camera > SelectMgr_BaseIntersector::myCamera

protected

camera definition (if builder isn't NULL it is the same as its camera)

◆ mySelectionType

SelectMgr_SelectionType SelectMgr_BaseIntersector::mySelectionType

protected

type of selection

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

SelectMgr_BaseIntersector.hxx

SelectMgr_BaseIntersector Class Referenceabstract

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ SelectMgr_BaseIntersector()

◆ ~SelectMgr_BaseIntersector()

Member Function Documentation

◆ Build()

◆ Camera()

◆ DetectedPoint()

◆ DistToGeometryCenter()

◆ DumpJson()

◆ GetFarPnt()

◆ GetMousePosition()

◆ GetNearPnt()

◆ GetPlanes()

◆ GetSelectionType()

◆ GetViewRayDirection()

◆ IsScalable()

◆ OverlapsBox() [1/2]

◆ OverlapsBox() [2/2]

◆ OverlapsCircle() [1/2]

◆ OverlapsCircle() [2/2]

◆ OverlapsCylinder() [1/2]

◆ OverlapsCylinder() [2/2]

◆ OverlapsPoint() [1/2]

◆ OverlapsPoint() [2/2]

◆ OverlapsPolygon()

◆ OverlapsSegment()

◆ OverlapsSphere() [1/2]

◆ OverlapsSphere() [2/2]

◆ OverlapsTriangle()

◆ RayCircleIntersection()

◆ RayCylinderIntersection()

◆ RaySphereIntersection()

◆ ScaleAndTransform()

◆ SetCamera()

◆ SetPixelTolerance()

◆ SetViewport()

◆ SetWindowSize()

◆ WindowSize()

Field Documentation

◆ myCamera

◆ mySelectionType