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Data Structures | Public Member Functions | Protected Member Functions

SelectMgr_RectangularFrustum Class Reference

This class contains representation of rectangular selecting frustum, created in case of point and box selection, and algorithms for overlap detection between selecting frustum and sensitive entities. The principle of frustum calculation: More...

#include <SelectMgr_RectangularFrustum.hxx>

Inheritance diagram for SelectMgr_RectangularFrustum:
Inheritance graph
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Data Structures

struct  SelectionRectangle
 Auxiliary structure to define selection primitive (point or box) In case of point selection min and max points are identical. More...
 

Public Member Functions

 SelectMgr_RectangularFrustum ()
 Creates rectangular selecting frustum. More...
 
void Init (const gp_Pnt2d &thePoint)
 Initializes volume according to the point and given pixel tolerance. More...
 
void Init (const gp_Pnt2d &theMinPnt, const gp_Pnt2d &theMaxPnt)
 Initializes volume according to the selected rectangle. More...
 
virtual void Build () override
 Builds volume according to internal parameters. NOTE: it should be called after Init() method. More...
 
virtual Standard_Boolean IsScalable () const override
 Checks if it is possible to scale this frustum. It is true for frustum built on a single point. More...
 
virtual Handle< SelectMgr_BaseIntersectorScaleAndTransform (const Standard_Integer theScaleFactor, const gp_GTrsf &theTrsf, const Handle< SelectMgr_FrustumBuilder > &theBuilder) const override
 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: More...
 
virtual Standard_Boolean OverlapsBox (const SelectMgr_Vec3 &theBoxMin, const SelectMgr_Vec3 &theBoxMax, const SelectMgr_ViewClipRange &theClipRange, 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) 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, const SelectMgr_ViewClipRange &theClipRange, 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 &theArrayOfPnts, Select3D_TypeOfSensitivity theSensType, const SelectMgr_ViewClipRange &theClipRange, 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, const SelectMgr_ViewClipRange &theClipRange, 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, Select3D_TypeOfSensitivity theSensType, const SelectMgr_ViewClipRange &theClipRange, 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, const SelectMgr_ViewClipRange &theClipRange, 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) 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, const SelectMgr_ViewClipRange &theClipRange, 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. It makes sense only for frustums built on a single point. 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. More...
 
const gp_PntGetVertices () const
 A set of helper functions that return rectangular selecting frustum data. More...
 
virtual const gp_PntGetNearPnt () const override
 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 const gp_PntGetFarPnt () const override
 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 const gp_DirGetViewRayDirection () const override
 Returns view ray direction. More...
 
virtual const gp_Pnt2dGetMousePosition () const override
 Returns current mouse coordinates. 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...
 
- Public Member Functions inherited from SelectMgr_Frustum< 4 >
 SelectMgr_Frustum ()
 
- Public Member Functions inherited from SelectMgr_BaseFrustum
 SelectMgr_BaseFrustum ()
 Creates new selecting volume with pixel tolerance set to 2, orthographic camera and empty frustum builder. More...
 
virtual ~SelectMgr_BaseFrustum ()
 Destructor. More...
 
void SetBuilder (const Handle< SelectMgr_FrustumBuilder > &theBuilder)
 Nullifies the builder created in the constructor and copies the pointer given. More...
 
virtual void SetCamera (const Handle< Graphic3d_Camera > &theCamera) override
 Saves camera definition and passes it to builder. More...
 
virtual void SetPixelTolerance (const Standard_Integer theTol) override
 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 void SetWindowSize (const Standard_Integer theWidth, const Standard_Integer theHeight) override
 Sets current window size. This method does nothing for the base class. More...
 
virtual void WindowSize (Standard_Integer &theWidth, Standard_Integer &theHeight) const override
 Returns current window size. This method doesn't set any output values for the base class. More...
 
virtual void SetViewport (const Standard_Real theX, const Standard_Real theY, const Standard_Real theWidth, const Standard_Real theHeight) override
 Passes viewport parameters to builder. More...
 
Standard_Boolean IsBoundaryIntersectSphere (const gp_Pnt &theCenter, const Standard_Real theRadius, const gp_Dir &thePlaneNormal, const TColgp_Array1OfPnt &theBoundaries, Standard_Boolean &theBoundaryInside) const
 Checks whether the boundary of the current volume selection intersects with a sphere or are there it's boundaries lying inside the sphere. More...
 
- Public Member Functions inherited from SelectMgr_BaseIntersector
 SelectMgr_BaseIntersector ()
 Creates new empty selecting volume. More...
 
virtual ~SelectMgr_BaseIntersector ()
 Destructor. More...
 
SelectMgr_SelectionType GetSelectionType () const
 Returns selection type of this intersector. More...
 
const Handle< Graphic3d_Camera > & Camera () const
 Return camera definition. 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, 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 cylinder (or cone) with radiuses theBottomRad and theTopRad and height theHeights. More...
 
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor. More...
 
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing. More...
 
Standard_Transientoperator= (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_TransientThis () 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 Member Functions

void segmentSegmentDistance (const gp_Pnt &theSegPnt1, const gp_Pnt &theSegPnt2, SelectBasics_PickResult &thePickResult) const
 
bool segmentPlaneIntersection (const gp_Vec &thePlane, const gp_Pnt &thePntOnPlane, SelectBasics_PickResult &thePickResult) const
 
- Protected Member Functions inherited from SelectMgr_Frustum< 4 >
Standard_Boolean hasBoxOverlap (const SelectMgr_Vec3 &theBoxMin, const SelectMgr_Vec3 &theBoxMax, Standard_Boolean *theInside=NULL) const
 Returns true if selecting volume is overlapped by axis-aligned bounding box with minimum corner at point theMinPt and maximum at point theMaxPt. More...
 
Standard_Boolean hasPointOverlap (const gp_Pnt &thePnt) const
 SAT intersection test between defined volume and given point. More...
 
Standard_Boolean hasSegmentOverlap (const gp_Pnt &thePnt1, const gp_Pnt &thePnt2) const
 SAT intersection test between defined volume and given segment. More...
 
Standard_Boolean hasPolygonOverlap (const TColgp_Array1OfPnt &theArrayOfPnts, gp_Vec &theNormal) const
 SAT intersection test between frustum given and planar convex polygon represented as ordered point set. More...
 
Standard_Boolean hasTriangleOverlap (const gp_Pnt &thePnt1, const gp_Pnt &thePnt2, const gp_Pnt &thePnt3, gp_Vec &theNormal) const
 SAT intersection test between defined volume and given triangle. More...
 
Standard_Boolean hasSphereOverlap (const gp_Pnt &thePnt1, const Standard_Real theRadius, Standard_Boolean *theInside=NULL) const
 Intersection test between defined volume and given sphere. More...
 
Standard_Boolean hasCylinderOverlap (const Standard_Real theBottomRad, const Standard_Real theTopRad, const Standard_Real theHeight, const gp_Trsf &theTrsf, Standard_Boolean *theInside=NULL) const
 Intersection test between defined volume and given cylinder (or cone). More...
 
Standard_Boolean IsDotInside (const gp_Pnt &thePnt, const TColgp_Array1OfPnt &theVertices) const
 Checking whether the point thePnt is inside the shape with borders theVertices. thePnt and theVertices lie in the same plane. 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...
 
- Protected Attributes inherited from SelectMgr_Frustum< 4 >
gp_Vec myPlanes [N+2]
 Plane equations. More...
 
gp_Pnt myVertices [N *2]
 Vertices coordinates. More...
 
Standard_Real myMaxVertsProjections [N+2]
 Cached projections of vertices onto frustum plane directions. More...
 
Standard_Real myMinVertsProjections [N+2]
 Cached projections of vertices onto frustum plane directions. More...
 
Standard_Real myMaxOrthoVertsProjections [3]
 Cached projections of vertices onto directions of ortho unit vectors. More...
 
Standard_Real myMinOrthoVertsProjections [3]
 Cached projections of vertices onto directions of ortho unit vectors. More...
 
gp_Vec myEdgeDirs [6]
 Cached edge directions. More...
 
- Protected Attributes inherited from SelectMgr_BaseFrustum
Standard_Integer myPixelTolerance
 Pixel tolerance. More...
 
Handle< SelectMgr_FrustumBuildermyBuilder
 A tool implementing methods for volume build. More...
 
- Protected Attributes inherited from SelectMgr_BaseIntersector
Handle< Graphic3d_CameramyCamera
 camera definition (if builder isn't NULL it is the same as its camera) More...
 
SelectMgr_SelectionType mySelectionType
 type of selection More...
 

Detailed Description

This class contains representation of rectangular selecting frustum, created in case of point and box selection, and algorithms for overlap detection between selecting frustum and sensitive entities. The principle of frustum calculation:

Constructor & Destructor Documentation

◆ SelectMgr_RectangularFrustum()

SelectMgr_RectangularFrustum::SelectMgr_RectangularFrustum ( )

Creates rectangular selecting frustum.

Member Function Documentation

◆ Build()

virtual void SelectMgr_RectangularFrustum::Build ( )
overridevirtual

Builds volume according to internal parameters. NOTE: it should be called after Init() method.

Implements SelectMgr_BaseIntersector.

◆ DetectedPoint()

virtual gp_Pnt SelectMgr_RectangularFrustum::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.

Reimplemented from SelectMgr_BaseIntersector.

◆ DistToGeometryCenter()

virtual Standard_Real SelectMgr_RectangularFrustum::DistToGeometryCenter ( const gp_Pnt theCOG) const
overridevirtual

Measures distance between 3d projection of user-picked screen point and given point theCOG. It makes sense only for frustums built on a single point.

Reimplemented from SelectMgr_BaseIntersector.

◆ DumpJson()

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

Dumps the content of me into the stream.

Reimplemented from SelectMgr_Frustum< 4 >.

◆ GetFarPnt()

virtual const gp_Pnt& SelectMgr_RectangularFrustum::GetFarPnt ( ) const
inlineoverridevirtual

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.

Reimplemented from SelectMgr_BaseIntersector.

◆ GetMousePosition()

virtual const gp_Pnt2d& SelectMgr_RectangularFrustum::GetMousePosition ( ) const
overridevirtual

Returns current mouse coordinates.

Reimplemented from SelectMgr_BaseIntersector.

◆ GetNearPnt()

virtual const gp_Pnt& SelectMgr_RectangularFrustum::GetNearPnt ( ) const
inlineoverridevirtual

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.

Reimplemented from SelectMgr_BaseIntersector.

◆ GetPlanes()

virtual void SelectMgr_RectangularFrustum::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.

Reimplemented from SelectMgr_BaseIntersector.

◆ GetVertices()

const gp_Pnt* SelectMgr_RectangularFrustum::GetVertices ( ) const
inline

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

◆ GetViewRayDirection()

virtual const gp_Dir& SelectMgr_RectangularFrustum::GetViewRayDirection ( ) const
inlineoverridevirtual

Returns view ray direction.

Reimplemented from SelectMgr_BaseIntersector.

◆ Init() [1/2]

void SelectMgr_RectangularFrustum::Init ( const gp_Pnt2d theMinPnt,
const gp_Pnt2d theMaxPnt 
)

Initializes volume according to the selected rectangle.

◆ Init() [2/2]

void SelectMgr_RectangularFrustum::Init ( const gp_Pnt2d thePoint)

Initializes volume according to the point and given pixel tolerance.

◆ IsScalable()

virtual Standard_Boolean SelectMgr_RectangularFrustum::IsScalable ( ) const
overridevirtual

Checks if it is possible to scale this frustum. It is true for frustum built on a single point.

Implements SelectMgr_BaseIntersector.

◆ OverlapsBox() [1/2]

virtual Standard_Boolean SelectMgr_RectangularFrustum::OverlapsBox ( const SelectMgr_Vec3 theBoxMin,
const SelectMgr_Vec3 theBoxMax,
const SelectMgr_ViewClipRange theClipRange,
SelectBasics_PickResult thePickResult 
) const
overridevirtual

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

Implements SelectMgr_BaseIntersector.

◆ OverlapsBox() [2/2]

virtual Standard_Boolean SelectMgr_RectangularFrustum::OverlapsBox ( const SelectMgr_Vec3 theBoxMin,
const SelectMgr_Vec3 theBoxMax,
Standard_Boolean theInside 
) 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.

Implements SelectMgr_BaseIntersector.

◆ OverlapsCylinder() [1/2]

virtual Standard_Boolean SelectMgr_RectangularFrustum::OverlapsCylinder ( const Standard_Real  theBottomRad,
const Standard_Real  theTopRad,
const Standard_Real  theHeight,
const gp_Trsf theTrsf,
const SelectMgr_ViewClipRange theClipRange,
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 SelectMgr_BaseIntersector.

◆ OverlapsCylinder() [2/2]

virtual Standard_Boolean SelectMgr_RectangularFrustum::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 SelectMgr_BaseIntersector.

◆ OverlapsPoint() [1/2]

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

Intersection test between defined volume and given point.

Implements SelectMgr_BaseIntersector.

◆ OverlapsPoint() [2/2]

virtual Standard_Boolean SelectMgr_RectangularFrustum::OverlapsPoint ( const gp_Pnt thePnt,
const SelectMgr_ViewClipRange theClipRange,
SelectBasics_PickResult thePickResult 
) const
overridevirtual

Intersection test between defined volume and given point.

Implements SelectMgr_BaseIntersector.

◆ OverlapsPolygon()

virtual Standard_Boolean SelectMgr_RectangularFrustum::OverlapsPolygon ( const TColgp_Array1OfPnt theArrayOfPnts,
Select3D_TypeOfSensitivity  theSensType,
const SelectMgr_ViewClipRange theClipRange,
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 SelectMgr_BaseIntersector.

◆ OverlapsSegment()

virtual Standard_Boolean SelectMgr_RectangularFrustum::OverlapsSegment ( const gp_Pnt thePnt1,
const gp_Pnt thePnt2,
const SelectMgr_ViewClipRange theClipRange,
SelectBasics_PickResult thePickResult 
) const
overridevirtual

Checks if line segment overlaps selecting frustum.

Implements SelectMgr_BaseIntersector.

◆ OverlapsSphere() [1/2]

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

Intersection test between defined volume and given sphere.

Implements SelectMgr_BaseIntersector.

◆ OverlapsSphere() [2/2]

virtual Standard_Boolean SelectMgr_RectangularFrustum::OverlapsSphere ( const gp_Pnt theCenter,
const Standard_Real  theRadius,
Standard_Boolean theInside 
) const
overridevirtual

Intersection test between defined volume and given sphere.

Implements SelectMgr_BaseIntersector.

◆ OverlapsTriangle()

virtual Standard_Boolean SelectMgr_RectangularFrustum::OverlapsTriangle ( const gp_Pnt thePnt1,
const gp_Pnt thePnt2,
const gp_Pnt thePnt3,
Select3D_TypeOfSensitivity  theSensType,
const SelectMgr_ViewClipRange theClipRange,
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 SelectMgr_BaseIntersector.

◆ ScaleAndTransform()

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

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.

Implements SelectMgr_BaseIntersector.

◆ segmentPlaneIntersection()

bool SelectMgr_RectangularFrustum::segmentPlaneIntersection ( const gp_Vec thePlane,
const gp_Pnt thePntOnPlane,
SelectBasics_PickResult thePickResult 
) const
protected

◆ segmentSegmentDistance()

void SelectMgr_RectangularFrustum::segmentSegmentDistance ( const gp_Pnt theSegPnt1,
const gp_Pnt theSegPnt2,
SelectBasics_PickResult thePickResult 
) const
protected

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