Open CASCADE Technology
7.0.0

This class is used to switch between active selecting volumes depending on selection type chosen by the user. More...
#include <SelectMgr_SelectingVolumeManager.hxx>
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_Trsf &theTrsf) 
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) 
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 
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 axisaligned 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 axisaligned 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 userpicked 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. Is valid for point selection only. 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 
void  SetViewClipping (const Graphic3d_SequenceOfHClipPlane &thePlanes) 
Valid for point selection only! Computes depth range for global (defined for the whole view) clipping planes. More...  
const gp_Pnt *  GetVertices () const 
A set of helper functions that return rectangular selecting frustum data. More...  
gp_Pnt  GetNearPnt () const 
gp_Pnt  GetFarPnt () const 
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 axisaligned bounding box with minimum corner at point theMinPt and maximum at point theMaxPt. 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...  
This class is used to switch between active selecting volumes depending on selection type chosen by the user.
SelectMgr_SelectingVolumeManager::SelectMgr_SelectingVolumeManager  (  Standard_Boolean  theToAllocateFrustums = Standard_True  ) 
Creates instances of all available selecting volume types.

inlinevirtual 

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.
void SelectMgr_SelectingVolumeManager::BuildSelectingVolume  (  const gp_Pnt2d &  thePoint  ) 
Builds rectangular selecting frustum for point selection.
void SelectMgr_SelectingVolumeManager::BuildSelectingVolume  (  const gp_Pnt2d &  theMinPt, 
const gp_Pnt2d &  theMaxPt  
) 
Builds rectangular selecting frustum for box selection.
void SelectMgr_SelectingVolumeManager::BuildSelectingVolume  (  const TColgp_Array1OfPnt2d &  thePoints  ) 
Builds set of triangular selecting frustums for polyline selection.

overridevirtual 
Calculates the point on a view ray that was detected during the run of selection algo by given depth. Is valid for point selection only.
Implements SelectBasics_SelectingVolumeManager.

overridevirtual 
Measures distance between 3d projection of userpicked screen point and given point theCOG.
Implements SelectBasics_SelectingVolumeManager.

overridevirtual 
Implements SelectBasics_SelectingVolumeManager.
gp_Pnt SelectMgr_SelectingVolumeManager::GetFarPnt  (  )  const 
gp_Pnt SelectMgr_SelectingVolumeManager::GetNearPnt  (  )  const 
const gp_Pnt* SelectMgr_SelectingVolumeManager::GetVertices  (  )  const 
A set of helper functions that return rectangular selecting frustum data.

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

overridevirtual 
Implements SelectBasics_SelectingVolumeManager.

overridevirtual 
SAT intersection test between defined volume and given axisaligned box.

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

overridevirtual 
Intersection test between defined volume and given point.
Implements SelectBasics_SelectingVolumeManager.

overridevirtual 
Intersection test between defined volume and given point.
Implements SelectBasics_SelectingVolumeManager.

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.

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.

overridevirtual 
Checks if line segment overlaps selecting frustum.
Implements SelectBasics_SelectingVolumeManager.

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.
const Graphic3d_Mat4d& SelectMgr_SelectingVolumeManager::ProjectionMatrix  (  )  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:
void SelectMgr_SelectingVolumeManager::SetActiveSelectionType  (  const SelectionType &  theType  ) 
void SelectMgr_SelectingVolumeManager::SetCamera  (  const Handle< Graphic3d_Camera >  theCamera  ) 
Updates camera projection and orientation matrices in all selecting volumes.
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.
void SelectMgr_SelectingVolumeManager::SetPixelTolerance  (  const Standard_Integer  theTolerance  ) 
Updates pixel tolerance in all selecting volumes.
void SelectMgr_SelectingVolumeManager::SetViewClipping  (  const Graphic3d_SequenceOfHClipPlane &  thePlanes  ) 
Valid for point selection only! Computes depth range for global (defined for the whole view) clipping planes.
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.
void SelectMgr_SelectingVolumeManager::SetWindowSize  (  const Standard_Integer  theWidth, 
const Standard_Integer  theHeight  
) 
Updates window size in all selecting volumes.
const Graphic3d_Mat4d& SelectMgr_SelectingVolumeManager::WorldViewMatrix  (  )  const 
const Graphic3d_WorldViewProjState& SelectMgr_SelectingVolumeManager::WorldViewProjState  (  )  const 