This class is used to switch between active selecting volumes depending on selection type chosen by the user. More...

#include <SelectMgr_SelectingVolumeManager.hxx>

Inheritance diagram for SelectMgr_SelectingVolumeManager:

Public Member Functions
	SelectMgr_SelectingVolumeManager (Standard_Boolean theToAllocateFrustums=Standard_True)
	Creates instances of all available selecting volume types. More...

virtual	~SelectMgr_SelectingVolumeManager ()

virtual SelectMgr_SelectingVolumeManager	ScaleAndTransform (const Standard_Integer theScaleFactor, const gp_GTrsf &theTrsf, const Handle< SelectMgr_FrustumBuilder > &theBuilder=NULL) const
	IMPORTANT: Scaling makes sense only for frustum built on a single point! Note that this method does not perform any checks on type of the frustum. More...

virtual Standard_Integer	GetActiveSelectionType () const override

void	SetActiveSelectionType (const SelectionType &theType)

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

void	SetCamera (const Handle< Graphic3d_Camera > theCamera)
	Updates camera projection and orientation matrices in all selecting volumes. More...

void	SetCamera (const Graphic3d_Mat4d &theProjection, const Graphic3d_Mat4d &theWorldView, const Standard_Boolean theIsOrthographic, const Graphic3d_WorldViewProjState &theWVPState=Graphic3d_WorldViewProjState())
	Updates camera projection and orientation matrices in all selecting volumes. More...

const Graphic3d_Mat4d &	ProjectionMatrix () const

const Graphic3d_Mat4d &	WorldViewMatrix () const

void	WindowSize (Standard_Integer &theWidth, Standard_Integer &theHeight) const

const Graphic3d_WorldViewProjState &	WorldViewProjState () const

void	SetViewport (const Standard_Real theX, const Standard_Real theY, const Standard_Real theWidth, const Standard_Real theHeight)
	Updates viewport in all selecting volumes. More...

void	SetPixelTolerance (const Standard_Integer theTolerance)
	Updates pixel tolerance in all selecting volumes. More...

void	SetWindowSize (const Standard_Integer theWidth, const Standard_Integer theHeight)
	Updates window size in all selecting volumes. More...

void	BuildSelectingVolume (const gp_Pnt2d &thePoint)
	Builds rectangular selecting frustum for point selection. More...

void	BuildSelectingVolume (const gp_Pnt2d &theMinPt, const gp_Pnt2d &theMaxPt)
	Builds rectangular selecting frustum for box selection. More...

void	BuildSelectingVolume (const TColgp_Array1OfPnt2d &thePoints)
	Builds set of triangular selecting frustums for polyline selection. More...

virtual Standard_Boolean	Overlaps (const SelectMgr_Vec3 &theBoxMin, const SelectMgr_Vec3 &theBoxMax, Standard_Real &theDepth) override
	SAT intersection test between defined volume and given axis-aligned box. More...

virtual Standard_Boolean	Overlaps (const SelectMgr_Vec3 &theBoxMin, const SelectMgr_Vec3 &theBoxMax, Standard_Boolean *theInside=NULL) override
	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	Overlaps (const gp_Pnt &thePnt, Standard_Real &theDepth) override
	Intersection test between defined volume and given point. More...

virtual Standard_Boolean	Overlaps (const gp_Pnt &thePnt) override
	Intersection test between defined volume and given point. More...

virtual Standard_Boolean	Overlaps (const Handle< TColgp_HArray1OfPnt > &theArrayOfPts, Standard_Integer theSensType, Standard_Real &theDepth) override
	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	Overlaps (const TColgp_Array1OfPnt &theArrayOfPts, Standard_Integer theSensType, Standard_Real &theDepth) override
	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	Overlaps (const gp_Pnt &thePnt1, const gp_Pnt &thePnt2, Standard_Real &theDepth) override
	Checks if line segment overlaps selecting frustum. More...

virtual Standard_Boolean	Overlaps (const gp_Pnt &thePnt1, const gp_Pnt &thePnt2, const gp_Pnt &thePnt3, Standard_Integer theSensType, Standard_Real &theDepth) override
	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_Real	DistToGeometryCenter (const gp_Pnt &theCOG) override
	Measures distance between 3d projection of user-picked screen point and given point theCOG. More...

virtual gp_Pnt	DetectedPoint (const Standard_Real theDepth) const override
	Calculates the point on a view ray that was detected during the run of selection algo by given depth. Throws exception if active selection type is not Point. More...

virtual Standard_Boolean	IsClipped (const Graphic3d_SequenceOfHClipPlane &thePlanes, const Standard_Real &theDepth)
	Checks if the point of sensitive in which selection was detected belongs to the region defined by clipping planes. More...

virtual void	AllowOverlapDetection (const Standard_Boolean theIsToAllow)
	Is used for rectangular selection only If theIsToAllow is false, only fully included sensitives will be detected, otherwise the algorithm will mark both included and overlapped entities as matched. More...

virtual Standard_Boolean	IsOverlapAllowed () const override

const Handle< Graphic3d_SequenceOfHClipPlane > &	ViewClipping () const
	Return view clipping planes. More...

void	SetViewClipping (const Handle< Graphic3d_SequenceOfHClipPlane > &thePlanes)
	Valid for point selection only! Computes depth range for global (defined for the whole view) clipping planes. More...

Standard_Boolean	SetViewClippingEnabled (const Standard_Boolean theToEnable)
	Set if view clipping plane is enabled or not. More...

const gp_Pnt *	GetVertices () const
	A set of helper functions that return rectangular selecting frustum data. More...

virtual gp_Pnt	GetNearPickedPnt () const override
	Valid only for point and rectangular selection. Returns projection of 2d mouse picked point or projection of center of 2d rectangle (for point and rectangular selection correspondingly) onto near view frustum plane. More...

virtual gp_Pnt	GetFarPickedPnt () const override
	Valid only for point and rectangular selection. Returns projection of 2d mouse picked point or projection of center of 2d rectangle (for point and rectangular selection correspondingly) onto far view frustum plane. More...

Handle< SelectMgr_BaseFrustum >	ActiveVolume () const
	Returns active selecting volume that was built during last run of OCCT selection mechanism. More...

virtual void	GetPlanes (NCollection_Vector< SelectMgr_Vec4 > &thePlaneEquations) const override
	Stores plane equation coefficients (in the following form: Ax + By + Cz + D = 0) to the given vector. More...

Public Member Functions inherited from SelectBasics_SelectingVolumeManager
	SelectBasics_SelectingVolumeManager ()

virtual	~SelectBasics_SelectingVolumeManager ()

virtual Standard_Boolean	Overlaps (const NCollection_Vec3< Standard_Real > &theBoxMin, const NCollection_Vec3< Standard_Real > &theBoxMax, Standard_Real &theDepth)=0
	Returns true if selecting volume is overlapped by box theBox. More...

virtual Standard_Boolean	Overlaps (const NCollection_Vec3< Standard_Real > &theBoxMin, const NCollection_Vec3< Standard_Real > &theBoxMax, Standard_Boolean *theInside=NULL)=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 void	GetPlanes (NCollection_Vector< NCollection_Vec4< Standard_Real > > &thePlaneEquations) const =0
	Stores plane equation coefficients (in the following form: Ax + By + Cz + D = 0) to the given vector. More...

Additional Inherited Members
Public Types inherited from SelectBasics_SelectingVolumeManager
enum	SelectionType { Point, Box, Polyline, Unknown }
	Available selection types. More...

Protected Attributes inherited from SelectBasics_SelectingVolumeManager
SelectionType	myActiveSelectionType
	Active selection type: point, box or polyline. More...

Detailed Description

This class is used to switch between active selecting volumes depending on selection type chosen by the user.

Constructor & Destructor Documentation

◆ SelectMgr_SelectingVolumeManager()

SelectMgr_SelectingVolumeManager::SelectMgr_SelectingVolumeManager ( Standard_Boolean theToAllocateFrustums = Standard_True )

Creates instances of all available selecting volume types.

◆ ~SelectMgr_SelectingVolumeManager()

virtual SelectMgr_SelectingVolumeManager::~SelectMgr_SelectingVolumeManager ( )

inlinevirtual

Member Function Documentation

◆ ActiveVolume()

Handle< SelectMgr_BaseFrustum > SelectMgr_SelectingVolumeManager::ActiveVolume ( ) const

inline

Returns active selecting volume that was built during last run of OCCT selection mechanism.

◆ AllowOverlapDetection()

virtual void SelectMgr_SelectingVolumeManager::AllowOverlapDetection ( const Standard_Boolean theIsToAllow )

virtual

Is used for rectangular selection only If theIsToAllow is false, only fully included sensitives will be detected, otherwise the algorithm will mark both included and overlapped entities as matched.

◆ BuildSelectingVolume() [1/3]

void SelectMgr_SelectingVolumeManager::BuildSelectingVolume ( const gp_Pnt2d & thePoint )

Builds rectangular selecting frustum for point selection.

◆ BuildSelectingVolume() [2/3]

void SelectMgr_SelectingVolumeManager::BuildSelectingVolume	(	const gp_Pnt2d &	theMinPt,
		const gp_Pnt2d &	theMaxPt
	)

Builds rectangular selecting frustum for box selection.

◆ BuildSelectingVolume() [3/3]

void SelectMgr_SelectingVolumeManager::BuildSelectingVolume ( const TColgp_Array1OfPnt2d & thePoints )

Builds set of triangular selecting frustums for polyline selection.

◆ Camera()

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

inline

Returns current camera definition.

◆ DetectedPoint()

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

overridevirtual

Calculates the point on a view ray that was detected during the run of selection algo by given depth. Throws exception if active selection type is not Point.

Implements SelectBasics_SelectingVolumeManager.

◆ DistToGeometryCenter()

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

overridevirtual

Measures distance between 3d projection of user-picked screen point and given point theCOG.

Implements SelectBasics_SelectingVolumeManager.

◆ GetActiveSelectionType()

virtual Standard_Integer SelectMgr_SelectingVolumeManager::GetActiveSelectionType ( ) const

overridevirtual

Implements SelectBasics_SelectingVolumeManager.

◆ GetFarPickedPnt()

virtual gp_Pnt SelectMgr_SelectingVolumeManager::GetFarPickedPnt ( ) const

overridevirtual

Valid only for point and rectangular selection. Returns projection of 2d mouse picked point or projection of center of 2d rectangle (for point and rectangular selection correspondingly) onto far view frustum plane.

Implements SelectBasics_SelectingVolumeManager.

◆ GetNearPickedPnt()

virtual gp_Pnt SelectMgr_SelectingVolumeManager::GetNearPickedPnt ( ) const

overridevirtual

Valid only for point and rectangular selection. Returns projection of 2d mouse picked point or projection of center of 2d rectangle (for point and rectangular selection correspondingly) onto near view frustum plane.

Implements SelectBasics_SelectingVolumeManager.

◆ GetPlanes()

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

inlineoverridevirtual

Stores plane equation coefficients (in the following form: Ax + By + Cz + D = 0) to the given vector.

◆ GetVertices()

const gp_Pnt* SelectMgr_SelectingVolumeManager::GetVertices ( ) const

A set of helper functions that return rectangular selecting frustum data.

◆ IsClipped()

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::IsClipped	(	const Graphic3d_SequenceOfHClipPlane &	thePlanes,
		const Standard_Real &	theDepth
	)

virtual

Checks if the point of sensitive in which selection was detected belongs to the region defined by clipping planes.

◆ IsOverlapAllowed()

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::IsOverlapAllowed ( ) const

overridevirtual

Implements SelectBasics_SelectingVolumeManager.

◆ Overlaps() [1/8]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps	(	const SelectMgr_Vec3 &	theBoxMin,
		const SelectMgr_Vec3 &	theBoxMax,
		Standard_Real &	theDepth
	)

overridevirtual

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

◆ Overlaps() [2/8]

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

overridevirtual

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

◆ Overlaps() [3/8]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps	(	const gp_Pnt &	thePnt,
		Standard_Real &	theDepth
	)

overridevirtual

Intersection test between defined volume and given point.

Implements SelectBasics_SelectingVolumeManager.

◆ Overlaps() [4/8]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps ( const gp_Pnt & thePnt )

overridevirtual

Intersection test between defined volume and given point.

Implements SelectBasics_SelectingVolumeManager.

◆ Overlaps() [5/8]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps	(	const Handle< TColgp_HArray1OfPnt > &	theArrayOfPts,
		Standard_Integer	theSensType,
		Standard_Real &	theDepth
	)

overridevirtual

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.

Implements SelectBasics_SelectingVolumeManager.

◆ Overlaps() [6/8]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps	(	const TColgp_Array1OfPnt &	theArrayOfPts,
		Standard_Integer	theSensType,
		Standard_Real &	theDepth
	)

overridevirtual

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.

Implements SelectBasics_SelectingVolumeManager.

◆ Overlaps() [7/8]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps	(	const gp_Pnt &	thePnt1,
		const gp_Pnt &	thePnt2,
		Standard_Real &	theDepth
	)

overridevirtual

Checks if line segment overlaps selecting frustum.

Implements SelectBasics_SelectingVolumeManager.

◆ Overlaps() [8/8]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps	(	const gp_Pnt &	thePnt1,
		const gp_Pnt &	thePnt2,
		const gp_Pnt &	thePnt3,
		Standard_Integer	theSensType,
		Standard_Real &	theDepth
	)

overridevirtual

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.

Implements SelectBasics_SelectingVolumeManager.

◆ ProjectionMatrix()

const Graphic3d_Mat4d& SelectMgr_SelectingVolumeManager::ProjectionMatrix ( ) const

Returns: current projection transformation common for all selecting volumes

◆ ScaleAndTransform()

virtual SelectMgr_SelectingVolumeManager SelectMgr_SelectingVolumeManager::ScaleAndTransform	(	const Standard_Integer	theScaleFactor,
		const gp_GTrsf &	theTrsf,
		const Handle< SelectMgr_FrustumBuilder > &	theBuilder = `NULL`
	)		const

virtual

IMPORTANT: Scaling makes sense only for frustum built on a single point! Note that this method does not perform any checks on type of the frustum.

Returns a copy of the frustum resized according to the scale factor given and transforms it using the matrix given. There are no default parameters, but in case if:

transformation only is needed: must be initialized as any negative value;
scale only is needed: must be set to gp_Identity. Builder is an optional argument that represents corresponding settings for re-constructing transformed frustum from scratch. Can be null if reconstruction is not expected furthermore.

◆ SetActiveSelectionType()

void SelectMgr_SelectingVolumeManager::SetActiveSelectionType ( const SelectionType & theType )

◆ SetCamera() [1/2]

void SelectMgr_SelectingVolumeManager::SetCamera ( const Handle< Graphic3d_Camera > theCamera )

Updates camera projection and orientation matrices in all selecting volumes.

◆ SetCamera() [2/2]

void SelectMgr_SelectingVolumeManager::SetCamera	(	const Graphic3d_Mat4d &	theProjection,
		const Graphic3d_Mat4d &	theWorldView,
		const Standard_Boolean	theIsOrthographic,
		const Graphic3d_WorldViewProjState &	theWVPState = `Graphic3d_WorldViewProjState()`
	)

Updates camera projection and orientation matrices in all selecting volumes.

◆ SetPixelTolerance()

void SelectMgr_SelectingVolumeManager::SetPixelTolerance ( const Standard_Integer theTolerance )

Updates pixel tolerance in all selecting volumes.

◆ SetViewClipping()

void SelectMgr_SelectingVolumeManager::SetViewClipping ( const Handle< Graphic3d_SequenceOfHClipPlane > & thePlanes )

Valid for point selection only! Computes depth range for global (defined for the whole view) clipping planes.

◆ SetViewClippingEnabled()

Standard_Boolean SelectMgr_SelectingVolumeManager::SetViewClippingEnabled ( const Standard_Boolean theToEnable )

Set if view clipping plane is enabled or not.

Returns: previous flag value

◆ SetViewport()

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

Updates viewport in all selecting volumes.

◆ SetWindowSize()

void SelectMgr_SelectingVolumeManager::SetWindowSize	(	const Standard_Integer	theWidth,
		const Standard_Integer	theHeight
	)

Updates window size in all selecting volumes.

◆ ViewClipping()

const Handle< Graphic3d_SequenceOfHClipPlane >& SelectMgr_SelectingVolumeManager::ViewClipping ( ) const

inline

Return view clipping planes.

◆ WindowSize()

void SelectMgr_SelectingVolumeManager::WindowSize	(	Standard_Integer &	theWidth,
		Standard_Integer &	theHeight
	)		const

◆ WorldViewMatrix()

const Graphic3d_Mat4d& SelectMgr_SelectingVolumeManager::WorldViewMatrix ( ) const

Returns: current world view transformation common for all selecting volumes

◆ WorldViewProjState()

const Graphic3d_WorldViewProjState& SelectMgr_SelectingVolumeManager::WorldViewProjState ( ) const

Returns: current camera world view projection transformation state common for all selecting volumes

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

SelectMgr_SelectingVolumeManager.hxx

SelectMgr_SelectingVolumeManager Class Reference

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ SelectMgr_SelectingVolumeManager()

◆ ~SelectMgr_SelectingVolumeManager()

Member Function Documentation

◆ ActiveVolume()

◆ AllowOverlapDetection()

◆ BuildSelectingVolume() [1/3]

◆ BuildSelectingVolume() [2/3]

◆ BuildSelectingVolume() [3/3]

◆ Camera()

◆ DetectedPoint()

◆ DistToGeometryCenter()

◆ GetActiveSelectionType()

◆ GetFarPickedPnt()

◆ GetNearPickedPnt()

◆ GetPlanes()

◆ GetVertices()

◆ IsClipped()

◆ IsOverlapAllowed()

◆ Overlaps() [1/8]

◆ Overlaps() [2/8]

◆ Overlaps() [3/8]

◆ Overlaps() [4/8]

◆ Overlaps() [5/8]

◆ Overlaps() [6/8]

◆ Overlaps() [7/8]

◆ Overlaps() [8/8]

◆ ProjectionMatrix()

◆ ScaleAndTransform()

◆ SetActiveSelectionType()

◆ SetCamera() [1/2]

◆ SetCamera() [2/2]

◆ SetPixelTolerance()

◆ SetViewClipping()

◆ SetViewClippingEnabled()

◆ SetViewport()

◆ SetWindowSize()

◆ ViewClipping()

◆ WindowSize()

◆ WorldViewMatrix()

◆ WorldViewProjState()