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102 lines
4.8 KiB
C++
102 lines
4.8 KiB
C++
// Created on: 2014-08-15
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// Created by: Varvara POSKONINA
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// Copyright (c) 2005-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _Select3D_InteriorSensitivePointSet_HeaderFile
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#define _Select3D_InteriorSensitivePointSet_HeaderFile
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#include <NCollection_Vector.hxx>
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#include <TColgp_HArray1OfPnt.hxx>
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#include <TColStd_HArray1OfInteger.hxx>
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#include <Select3D_SensitivePoly.hxx>
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#include <Select3D_SensitiveSet.hxx>
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class gp_Pnt;
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class SelectBasics_EntityOwner;
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typedef NCollection_Vector<Handle(Select3D_SensitivePoly)> Select3D_VectorOfHPoly;
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//! This class handles the selection of arbitrary point set with internal type of sensitivity.
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//! The main principle is to split the point set given onto planar convex polygons and search
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//! for the overlap with one or more of them through traverse of BVH tree.
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class Select3D_InteriorSensitivePointSet : public Select3D_SensitiveSet
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{
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public:
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//! Splits the given point set thePoints onto planar convex polygons
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Standard_EXPORT Select3D_InteriorSensitivePointSet (const Handle(SelectBasics_EntityOwner)& theOwnerId,
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const TColgp_Array1OfPnt& thePoints);
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//! Initializes the given array theHArrayOfPnt by 3d coordinates of vertices of the
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//! whole point set
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Standard_EXPORT virtual void GetPoints (Handle(TColgp_HArray1OfPnt)& theHArrayOfPnt);
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//! Returns the length of vector of planar convex polygons
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Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE;
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//! Returns bounding box of planar convex polygon with index theIdx
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Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIdx) const Standard_OVERRIDE;
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//! Returns geometry center of planar convex polygon with index
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//! theIdx in the vector along the given axis theAxis
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Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIdx,
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const Standard_Integer theAxis) const Standard_OVERRIDE;
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//! Swaps items with indexes theIdx1 and theIdx2 in the vector
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Standard_EXPORT virtual void Swap (const Standard_Integer theIdx1,
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const Standard_Integer theIdx2) Standard_OVERRIDE;
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//! Returns bounding box of the point set. If location
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//! transformation is set, it will be applied
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Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE;
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//! Returns center of the point set. If location
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//! transformation is set, it will be applied
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Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE;
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//! Returns the amount of points in set
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Standard_EXPORT virtual Standard_Integer NbSubElements() Standard_OVERRIDE;
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DEFINE_STANDARD_RTTIEXT(Select3D_InteriorSensitivePointSet,Select3D_SensitiveSet)
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protected:
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//! Checks whether the planar convex polygon with index theIdx
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//! in myPlanarPolygons overlaps the current selecting volume
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Standard_EXPORT virtual Standard_Boolean overlapsElement (SelectBasics_SelectingVolumeManager& theMgr,
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Standard_Integer theElemIdx,
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Standard_Real& theMatchDepth) Standard_OVERRIDE;
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//! Checks whether the entity with index theIdx is inside the current selecting volume
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Standard_EXPORT virtual Standard_Boolean elementIsInside (SelectBasics_SelectingVolumeManager& theMgr,
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const Standard_Integer theElemIdx) Standard_OVERRIDE;
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//! Calculates distance from the 3d projection of used-picked
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//! screen point to center of the geometry
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Standard_EXPORT virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE;
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protected:
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Select3D_VectorOfHPoly myPlanarPolygons; //!< Vector of planar polygons
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Handle(TColStd_HArray1OfInteger) myPolygonsIdxs; //!< Indexes array for BVH calculation
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gp_Pnt myCOG; //!< Center of the point set
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Select3D_BndBox3d myBndBox; //!< Bounding box of the point set
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};
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DEFINE_STANDARD_HANDLE(Select3D_InteriorSensitivePointSet, Select3D_SensitiveSet)
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#endif // _Select3D_InteriorSensitivePointSet_HeaderFile
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