1 // Created on: 2014-08-15
2 // Created by: Varvara POSKONINA
3 // Copyright (c) 2005-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _Select3D_InteriorSensitivePointSet_HeaderFile
17 #define _Select3D_InteriorSensitivePointSet_HeaderFile
19 #include <NCollection_Vector.hxx>
21 #include <Handle_SelectBasics_EntityOwner.hxx>
22 #include <TColgp_HArray1OfPnt.hxx>
23 #include <TColStd_HArray1OfInteger.hxx>
25 #include <Select3D_SensitivePoly.hxx>
26 #include <Select3D_SensitiveSet.hxx>
29 class SelectBasics_EntityOwner;
31 typedef NCollection_Vector<Handle(Select3D_SensitivePoly)> Select3D_VectorOfHPoly;
33 //! This class handles the selection of arbitrary point set with internal type of sensitivity.
34 //! The main principle is to split the point set given onto planar convex polygons and search
35 //! for the overlap with one or more of them through traverse of BVH tree.
36 class Select3D_InteriorSensitivePointSet : public Select3D_SensitiveSet
40 //! Splits the given point set thePoints onto planar convex polygons
41 Standard_EXPORT Select3D_InteriorSensitivePointSet (const Handle(SelectBasics_EntityOwner)& theOwnerId,
42 const TColgp_Array1OfPnt& thePoints);
44 //! Initializes the given array theHArrayOfPnt by 3d coordinates of vertices of the
46 Standard_EXPORT virtual void GetPoints (Handle(TColgp_HArray1OfPnt)& theHArrayOfPnt);
48 //! Returns the length of vector of planar convex polygons
49 Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE;
51 //! Returns bounding box of planar convex polygon with index theIdx
52 Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIdx) const Standard_OVERRIDE;
54 //! Returns geometry center of planar convex polygon with index
55 //! theIdx in the vector along the given axis theAxis
56 Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIdx,
57 const Standard_Integer theAxis) const Standard_OVERRIDE;
59 //! Swaps items with indexes theIdx1 and theIdx2 in the vector
60 Standard_EXPORT virtual void Swap (const Standard_Integer theIdx1,
61 const Standard_Integer theIdx2) Standard_OVERRIDE;
63 //! Returns bounding box of the point set. If location
64 //! transformation is set, it will be applied
65 Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE;
67 //! Returns center of the point set. If location
68 //! transformation is set, it will be applied
69 Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE;
71 //! Returns the amount of points in set
72 Standard_EXPORT virtual Standard_Integer NbSubElements() Standard_OVERRIDE;
74 DEFINE_STANDARD_RTTI(Select3D_InteriorSensitivePointSet, Select3D_SensitiveSet)
78 //! Checks whether the planar convex polygon with index theIdx
79 //! in myPlanarPolygons overlaps the current selecting volume
80 Standard_EXPORT virtual Standard_Boolean overlapsElement (SelectBasics_SelectingVolumeManager& theMgr,
81 Standard_Integer theElemIdx,
82 Standard_Real& theMatchDepth) Standard_OVERRIDE;
84 //! Checks whether the entity with index theIdx is inside the current selecting volume
85 Standard_EXPORT virtual Standard_Boolean elementIsInside (SelectBasics_SelectingVolumeManager& theMgr,
86 const Standard_Integer theElemIdx) Standard_OVERRIDE;
88 //! Calculates distance from the 3d projection of used-picked
89 //! screen point to center of the geometry
90 Standard_EXPORT virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE;
94 Select3D_VectorOfHPoly myPlanarPolygons; //!< Vector of planar polygons
95 Handle_TColStd_HArray1OfInteger myPolygonsIdxs; //!< Indexes array for BVH calculation
96 gp_Pnt myCOG; //!< Center of the point set
97 Select3D_BndBox3d myBndBox; //!< Bounding box of the point set
100 DEFINE_STANDARD_HANDLE(Select3D_InteriorSensitivePointSet, Select3D_SensitiveSet)
102 #endif // _Select3D_InteriorSensitivePointSet_HeaderFile