Open CASCADE Technology  7.6.0
Public Member Functions

SelectMgr_SelectingVolumeManager Class Reference

This class is used to switch between active selecting volumes depending on selection type chosen by the user. The sample of correct selection volume initialization procedure: More...

#include <SelectMgr_SelectingVolumeManager.hxx>

Inheritance diagram for SelectMgr_SelectingVolumeManager:
Inheritance graph
[legend]

Public Member Functions

 SelectMgr_SelectingVolumeManager ()
 Creates instances of all available selecting volume types. More...
 
virtual ~SelectMgr_SelectingVolumeManager ()
 
void InitPointSelectingVolume (const gp_Pnt2d &thePoint)
 Creates, initializes and activates rectangular selecting frustum for point selection. More...
 
void InitBoxSelectingVolume (const gp_Pnt2d &theMinPt, const gp_Pnt2d &theMaxPt)
 Creates, initializes and activates rectangular selecting frustum for box selection. More...
 
void InitPolylineSelectingVolume (const TColgp_Array1OfPnt2d &thePoints)
 Creates, initializes and activates set of triangular selecting frustums for polyline selection. More...
 
void InitAxisSelectingVolume (const gp_Ax1 &theAxis)
 Creates and activates axis selector for point selection. More...
 
void InitSelectingVolume (const Handle< SelectMgr_BaseIntersector > &theVolume)
 Sets as active the custom selecting volume. More...
 
void BuildSelectingVolume ()
 Builds previously initialized selecting volume. More...
 
const Handle< SelectMgr_BaseIntersector > & ActiveVolume () const
 Returns active selecting volume that was built during last run of OCCT selection mechanism. More...
 
virtual Standard_Integer GetActiveSelectionType () const override
 Return selection type. More...
 
virtual SelectMgr_SelectingVolumeManager ScaleAndTransform (const Standard_Integer theScaleFactor, const gp_GTrsf &theTrsf, const Handle< SelectMgr_FrustumBuilder > &theBuilder) 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...
 
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 Note: this method should be called after selection volume building else exception will be thrown. More...
 
void SetViewport (const Standard_Real theX, const Standard_Real theY, const Standard_Real theWidth, const Standard_Real theHeight)
 Updates viewport in all selecting volumes Note: this method should be called after selection volume building else exception will be thrown. More...
 
void SetPixelTolerance (const Standard_Integer theTolerance)
 Updates pixel tolerance in all selecting volumes Note: this method should be called after selection volume building else exception will be thrown. More...
 
void WindowSize (Standard_Integer &theWidth, Standard_Integer &theHeight) const
 Returns window size. More...
 
void SetWindowSize (const Standard_Integer theWidth, const Standard_Integer theHeight)
 Updates window size in all selecting volumes Note: this method should be called after selection volume building else exception will be thrown. More...
 
virtual Standard_Boolean OverlapsBox (const SelectMgr_Vec3 &theBoxMin, const SelectMgr_Vec3 &theBoxMax, SelectBasics_PickResult &thePickResult) const override
 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 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 OverlapsPoint (const gp_Pnt &thePnt, SelectBasics_PickResult &thePickResult) const override
 Intersection test between defined volume and given point. More...
 
virtual Standard_Boolean OverlapsPoint (const gp_Pnt &thePnt) const override
 Intersection test between defined volume and given point. More...
 
virtual Standard_Boolean OverlapsPolygon (const TColgp_Array1OfPnt &theArrayOfPts, Standard_Integer theSensType, SelectBasics_PickResult &thePickResult) const 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 OverlapsSegment (const gp_Pnt &thePnt1, const gp_Pnt &thePnt2, SelectBasics_PickResult &thePickResult) const override
 Checks if line segment overlaps selecting frustum. More...
 
virtual Standard_Boolean OverlapsTriangle (const gp_Pnt &thePnt1, const gp_Pnt &thePnt2, const gp_Pnt &thePnt3, Standard_Integer theSensType, SelectBasics_PickResult &thePickResult) const 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_Boolean OverlapsSphere (const gp_Pnt &theCenter, const Standard_Real theRadius, SelectBasics_PickResult &thePickResult) const override
 Intersection test between defined volume and given sphere. More...
 
virtual Standard_Boolean OverlapsSphere (const gp_Pnt &theCenter, const Standard_Real theRadius, Standard_Boolean *theInside=NULL) const override
 Intersection test between defined volume and given sphere. More...
 
virtual Standard_Boolean OverlapsCylinder (const Standard_Real theBottomRad, const Standard_Real theTopRad, const Standard_Real theHeight, const gp_Trsf &theTrsf, SelectBasics_PickResult &thePickResult) const override
 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, Standard_Boolean *theInside=NULL) const override
 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_Real DistToGeometryCenter (const gp_Pnt &theCOG) const 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 void AllowOverlapDetection (const Standard_Boolean theIsToAllow)
 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
 Returns flag indicating if partial overlapping of entities is allowed or should be rejected. More...
 
const Handle< Graphic3d_SequenceOfHClipPlane > & ViewClipping () const
 Return view clipping planes. More...
 
const Handle< Graphic3d_SequenceOfHClipPlane > & ObjectClipping () const
 Return object clipping planes. More...
 
void SetViewClipping (const Handle< Graphic3d_SequenceOfHClipPlane > &theViewPlanes, const Handle< Graphic3d_SequenceOfHClipPlane > &theObjPlanes, const SelectMgr_SelectingVolumeManager *theWorldSelMgr)
 Valid for point selection only! Computes depth range for clipping planes. More...
 
void SetViewClipping (const SelectMgr_SelectingVolumeManager &theOther)
 Copy clipping planes from another volume manager. More...
 
const SelectMgr_ViewClipRangeViewClipRanges () const
 Return clipping range. More...
 
void SetViewClipRanges (const SelectMgr_ViewClipRange &theRange)
 Set clipping range. More...
 
const gp_PntGetVertices () 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...
 
virtual gp_Dir GetViewRayDirection () const override
 Valid only for point and rectangular selection. Returns view ray direction. More...
 
virtual Standard_Boolean IsScalableActiveVolume () const override
 Checks if it is possible to scale current active selecting volume. More...
 
virtual gp_Pnt2d GetMousePosition () const override
 Returns mouse coordinates for Point selection mode. 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...
 
virtual void DumpJson (Standard_OStream &theOStream, Standard_Integer theDepth=-1) const override
 Dumps the content of me into the stream. More...
 
void BuildSelectingVolume (const gp_Pnt2d &thePoint)
 
void BuildSelectingVolume (const gp_Pnt2d &theMinPt, const gp_Pnt2d &theMaxPt)
 
void BuildSelectingVolume (const TColgp_Array1OfPnt2d &thePoints)
 
- Public Member Functions inherited from SelectBasics_SelectingVolumeManager
 SelectBasics_SelectingVolumeManager ()
 Empty constructor. More...
 
virtual ~SelectBasics_SelectingVolumeManager ()
 Destructor. More...
 
virtual Standard_Boolean OverlapsBox (const NCollection_Vec3< Standard_Real > &theBoxMin, const NCollection_Vec3< Standard_Real > &theBoxMax, SelectBasics_PickResult &thePickResult) const =0
 Returns true if selecting volume is overlapped by box theBox. More...
 
virtual Standard_Boolean OverlapsBox (const NCollection_Vec3< Standard_Real > &theBoxMin, const NCollection_Vec3< Standard_Real > &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 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...
 
Standard_Boolean Overlaps (const NCollection_Vec3< Standard_Real > &theBoxMin, const NCollection_Vec3< Standard_Real > &theBoxMax, SelectBasics_PickResult &thePickResult) const
 
Standard_Boolean Overlaps (const NCollection_Vec3< Standard_Real > &theBoxMin, const NCollection_Vec3< Standard_Real > &theBoxMax, Standard_Boolean *theInside=NULL) const
 
Standard_Boolean Overlaps (const gp_Pnt &thePnt, SelectBasics_PickResult &thePickResult) const
 
Standard_Boolean Overlaps (const gp_Pnt &thePnt) const
 
Standard_Boolean Overlaps (const Handle< TColgp_HArray1OfPnt > &theArrayOfPts, Standard_Integer theSensType, SelectBasics_PickResult &thePickResult) const
 
Standard_Boolean Overlaps (const TColgp_Array1OfPnt &theArrayOfPts, Standard_Integer theSensType, SelectBasics_PickResult &thePickResult) const
 
Standard_Boolean Overlaps (const gp_Pnt &thePnt1, const gp_Pnt &thePnt2, SelectBasics_PickResult &thePickResult) const
 
Standard_Boolean Overlaps (const gp_Pnt &thePnt1, const gp_Pnt &thePnt2, const gp_Pnt &thePnt3, Standard_Integer theSensType, SelectBasics_PickResult &thePickResult) const
 

Additional Inherited Members

- Static Public Attributes inherited from SelectBasics_SelectingVolumeManager
static const SelectMgr_SelectionType Point = SelectMgr_SelectionType_Point
 Deprecated static const class members aren't supported for Visual Studio prior to 2015 (vc14) and GCC >= 5.0 and GCC < 6.3 (due to bug when warning was raised without member usage). More...
 
static const SelectMgr_SelectionType Box = SelectMgr_SelectionType_Box
 
static const SelectMgr_SelectionType Polyline = SelectMgr_SelectionType_Polyline
 
static const SelectMgr_SelectionType Unknown = SelectMgr_SelectionType_Unknown
 

Detailed Description

This class is used to switch between active selecting volumes depending on selection type chosen by the user. The sample of correct selection volume initialization procedure:

aMgr.InitPointSelectingVolume (aMousePos);
aMgr.SetPixelTolerance (aTolerance);
aMgr.SetCamera (aCamera);
aMgr.SetWindowSize (aWidth, aHeight);
aMgr.BuildSelectingVolume();

Constructor & Destructor Documentation

◆ SelectMgr_SelectingVolumeManager()

SelectMgr_SelectingVolumeManager::SelectMgr_SelectingVolumeManager ( )

Creates instances of all available selecting volume types.

◆ ~SelectMgr_SelectingVolumeManager()

virtual SelectMgr_SelectingVolumeManager::~SelectMgr_SelectingVolumeManager ( )
inlinevirtual

Member Function Documentation

◆ ActiveVolume()

const Handle< SelectMgr_BaseIntersector >& 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

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

◆ BuildSelectingVolume() [1/4]

void SelectMgr_SelectingVolumeManager::BuildSelectingVolume ( )

Builds previously initialized selecting volume.

◆ BuildSelectingVolume() [2/4]

void SelectMgr_SelectingVolumeManager::BuildSelectingVolume ( const gp_Pnt2d theMinPt,
const gp_Pnt2d theMaxPt 
)
Deprecated:
("Deprecated method - InitBoxSelectingVolume() and Build() should be used instead")

◆ BuildSelectingVolume() [3/4]

void SelectMgr_SelectingVolumeManager::BuildSelectingVolume ( const gp_Pnt2d thePoint)
Deprecated:
("Deprecated method - InitPointSelectingVolume() and Build() methods should be used instead")

◆ BuildSelectingVolume() [4/4]

void SelectMgr_SelectingVolumeManager::BuildSelectingVolume ( const TColgp_Array1OfPnt2d thePoints)
Deprecated:
("Deprecated method - InitPolylineSelectingVolume() and Build() should be used instead")

◆ Camera()

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

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) const
overridevirtual

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

Implements SelectBasics_SelectingVolumeManager.

◆ DumpJson()

virtual void SelectMgr_SelectingVolumeManager::DumpJson ( Standard_OStream theOStream,
Standard_Integer  theDepth = -1 
) const
overridevirtual

Dumps the content of me into the stream.

Reimplemented from SelectBasics_SelectingVolumeManager.

◆ GetActiveSelectionType()

virtual Standard_Integer SelectMgr_SelectingVolumeManager::GetActiveSelectionType ( ) const
overridevirtual

Return selection type.

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.

◆ GetMousePosition()

virtual gp_Pnt2d SelectMgr_SelectingVolumeManager::GetMousePosition ( ) const
overridevirtual

Returns mouse coordinates for Point selection mode.

Returns
infinite point in case of unsupport of mouse position for this active selection volume.

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
overridevirtual

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.

◆ GetViewRayDirection()

virtual gp_Dir SelectMgr_SelectingVolumeManager::GetViewRayDirection ( ) const
overridevirtual

Valid only for point and rectangular selection. Returns view ray direction.

Implements SelectBasics_SelectingVolumeManager.

◆ InitAxisSelectingVolume()

void SelectMgr_SelectingVolumeManager::InitAxisSelectingVolume ( const gp_Ax1 theAxis)

Creates and activates axis selector for point selection.

◆ InitBoxSelectingVolume()

void SelectMgr_SelectingVolumeManager::InitBoxSelectingVolume ( const gp_Pnt2d theMinPt,
const gp_Pnt2d theMaxPt 
)

Creates, initializes and activates rectangular selecting frustum for box selection.

◆ InitPointSelectingVolume()

void SelectMgr_SelectingVolumeManager::InitPointSelectingVolume ( const gp_Pnt2d thePoint)

Creates, initializes and activates rectangular selecting frustum for point selection.

◆ InitPolylineSelectingVolume()

void SelectMgr_SelectingVolumeManager::InitPolylineSelectingVolume ( const TColgp_Array1OfPnt2d thePoints)

Creates, initializes and activates set of triangular selecting frustums for polyline selection.

◆ InitSelectingVolume()

void SelectMgr_SelectingVolumeManager::InitSelectingVolume ( const Handle< SelectMgr_BaseIntersector > &  theVolume)

Sets as active the custom selecting volume.

◆ IsOverlapAllowed()

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::IsOverlapAllowed ( ) const
overridevirtual

Returns flag indicating if partial overlapping of entities is allowed or should be rejected.

Implements SelectBasics_SelectingVolumeManager.

◆ IsScalableActiveVolume()

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::IsScalableActiveVolume ( ) const
overridevirtual

Checks if it is possible to scale current active selecting volume.

Implements SelectBasics_SelectingVolumeManager.

◆ ObjectClipping()

const Handle< Graphic3d_SequenceOfHClipPlane >& SelectMgr_SelectingVolumeManager::ObjectClipping ( ) const
inline

Return object clipping planes.

◆ OverlapsBox() [1/2]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::OverlapsBox ( const SelectMgr_Vec3 theBoxMin,
const SelectMgr_Vec3 theBoxMax,
SelectBasics_PickResult thePickResult 
) const
overridevirtual

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

◆ OverlapsBox() [2/2]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::OverlapsBox ( const SelectMgr_Vec3 theBoxMin,
const SelectMgr_Vec3 theBoxMax,
Standard_Boolean theInside = NULL 
) const
overridevirtual

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

◆ OverlapsCylinder() [1/2]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::OverlapsCylinder ( const Standard_Real  theBottomRad,
const Standard_Real  theTopRad,
const Standard_Real  theHeight,
const gp_Trsf theTrsf,
SelectBasics_PickResult thePickResult 
) const
overridevirtual

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

Implements SelectBasics_SelectingVolumeManager.

◆ OverlapsCylinder() [2/2]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::OverlapsCylinder ( const Standard_Real  theBottomRad,
const Standard_Real  theTopRad,
const Standard_Real  theHeight,
const gp_Trsf theTrsf,
Standard_Boolean theInside = NULL 
) const
overridevirtual

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

Implements SelectBasics_SelectingVolumeManager.

◆ OverlapsPoint() [1/2]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::OverlapsPoint ( const gp_Pnt thePnt) const
overridevirtual

Intersection test between defined volume and given point.

Implements SelectBasics_SelectingVolumeManager.

◆ OverlapsPoint() [2/2]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::OverlapsPoint ( const gp_Pnt thePnt,
SelectBasics_PickResult thePickResult 
) const
overridevirtual

Intersection test between defined volume and given point.

Implements SelectBasics_SelectingVolumeManager.

◆ OverlapsPolygon()

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::OverlapsPolygon ( const TColgp_Array1OfPnt theArrayOfPts,
Standard_Integer  theSensType,
SelectBasics_PickResult thePickResult 
) const
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.

◆ OverlapsSegment()

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::OverlapsSegment ( const gp_Pnt thePnt1,
const gp_Pnt thePnt2,
SelectBasics_PickResult thePickResult 
) const
overridevirtual

Checks if line segment overlaps selecting frustum.

Implements SelectBasics_SelectingVolumeManager.

◆ OverlapsSphere() [1/2]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::OverlapsSphere ( const gp_Pnt theCenter,
const Standard_Real  theRadius,
SelectBasics_PickResult thePickResult 
) const
overridevirtual

Intersection test between defined volume and given sphere.

Implements SelectBasics_SelectingVolumeManager.

◆ OverlapsSphere() [2/2]

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::OverlapsSphere ( const gp_Pnt theCenter,
const Standard_Real  theRadius,
Standard_Boolean theInside = NULL 
) const
overridevirtual

Intersection test between defined volume and given sphere.

Implements SelectBasics_SelectingVolumeManager.

◆ OverlapsTriangle()

virtual Standard_Boolean SelectMgr_SelectingVolumeManager::OverlapsTriangle ( const gp_Pnt thePnt1,
const gp_Pnt thePnt2,
const gp_Pnt thePnt3,
Standard_Integer  theSensType,
SelectBasics_PickResult thePickResult 
) const
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.

◆ ScaleAndTransform()

virtual SelectMgr_SelectingVolumeManager SelectMgr_SelectingVolumeManager::ScaleAndTransform ( const Standard_Integer  theScaleFactor,
const gp_GTrsf theTrsf,
const Handle< SelectMgr_FrustumBuilder > &  theBuilder 
) 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: @theScaleFactor must be initialized as any negative value;
  • scale only is needed: @theTrsf 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.

◆ SetCamera()

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

Updates camera projection and orientation matrices in all selecting volumes Note: this method should be called after selection volume building else exception will be thrown.

◆ SetPixelTolerance()

void SelectMgr_SelectingVolumeManager::SetPixelTolerance ( const Standard_Integer  theTolerance)

Updates pixel tolerance in all selecting volumes Note: this method should be called after selection volume building else exception will be thrown.

◆ SetViewClipping() [1/2]

void SelectMgr_SelectingVolumeManager::SetViewClipping ( const Handle< Graphic3d_SequenceOfHClipPlane > &  theViewPlanes,
const Handle< Graphic3d_SequenceOfHClipPlane > &  theObjPlanes,
const SelectMgr_SelectingVolumeManager theWorldSelMgr 
)

Valid for point selection only! Computes depth range for clipping planes.

Parameters
theViewPlanes[in] global view planes
theObjPlanes[in] object planes
theWorldSelMgr[in] selection volume in world space for computing clipping plane ranges

◆ SetViewClipping() [2/2]

void SelectMgr_SelectingVolumeManager::SetViewClipping ( const SelectMgr_SelectingVolumeManager theOther)

Copy clipping planes from another volume manager.

◆ SetViewClipRanges()

void SelectMgr_SelectingVolumeManager::SetViewClipRanges ( const SelectMgr_ViewClipRange theRange)
inline

Set clipping range.

◆ 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 Note: this method should be called after selection volume building else exception will be thrown.

◆ SetWindowSize()

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

Updates window size in all selecting volumes Note: this method should be called after selection volume building else exception will be thrown.

◆ ViewClipping()

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

Return view clipping planes.

◆ ViewClipRanges()

const SelectMgr_ViewClipRange& SelectMgr_SelectingVolumeManager::ViewClipRanges ( ) const
inline

Return clipping range.

◆ WindowSize()

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

Returns window size.


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