1 // Created on: 2013-12-20
2 // Created by: Denis BOGOLEPOV
3 // Copyright (c) 2013-2014 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 _BVH_ObjectSet_Header
17 #define _BVH_ObjectSet_Header
19 #include <BVH_Set.hxx>
20 #include <BVH_Object.hxx>
22 //! Array of abstract entities (bounded by BVH boxes) to built BVH.
23 //! \tparam T Numeric data type
24 //! \tparam N Vector dimension
25 template<class T, int N>
26 class BVH_ObjectSet : public BVH_Set<T, N>
30 //! Type of array of geometric objects.
31 typedef NCollection_Vector<opencascade::handle<BVH_Object<T, N> > > BVH_ObjectList;
35 //! Creates new set of geometric objects.
38 //! Releases resources of set of geometric objects.
39 virtual ~BVH_ObjectSet() {}
43 //! Removes all geometric objects.
46 for (typename BVH_ObjectList::Iterator anObjectIter (myObjects); anObjectIter.More(); anObjectIter.Next())
48 anObjectIter.ChangeValue().Nullify();
53 //! Returns reference to the array of geometric objects.
54 BVH_ObjectList& Objects() { return myObjects; }
56 //! Returns reference to the array of geometric objects.
57 const BVH_ObjectList& Objects() const { return myObjects; }
61 //! Return total number of objects.
62 virtual Standard_Integer Size() const Standard_OVERRIDE { return myObjects.Size(); }
64 //! Returns AABB of entire set of objects.
65 using BVH_Set<T, N>::Box;
67 //! Returns AABB of the given object.
68 virtual BVH_Box<T, N> Box (const Standard_Integer theIndex) const Standard_OVERRIDE { return myObjects.Value (theIndex)->Box(); }
70 //! Returns centroid position along the given axis.
71 virtual T Center (const Standard_Integer theIndex, const Standard_Integer theAxis) const Standard_OVERRIDE
73 // Note: general implementation, not optimal
74 return BVH::CenterAxis<T, N>::Center (myObjects.Value (theIndex)->Box(), theAxis);
77 //! Performs transposing the two given objects in the set.
78 virtual void Swap (const Standard_Integer theIndex1, const Standard_Integer theIndex2) Standard_OVERRIDE
80 std::swap (myObjects.ChangeValue (theIndex1),
81 myObjects.ChangeValue (theIndex2));
86 BVH_ObjectList myObjects; //!< Array of geometric objects
90 #endif // _BVH_ObjectSet_Header