/usr/include/oce/BVH_PrimitiveSet.hxx is in liboce-foundation-dev 0.17.2-2.
This file is owned by root:root, with mode 0o644.
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// Created by: Denis BOGOLEPOV
// Copyright (c) 2013-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _BVH_PrimitiveSet_Header
#define _BVH_PrimitiveSet_Header
#include <BVH_Object.hxx>
#include <BVH_Builder.hxx>
//! Set of abstract geometric primitives organized with bounding
//! volume hierarchy (BVH). Unlike an object set, this collection
//! is designed for storing structural elements of a single object
//! (such as triangles in the object triangulation). Because there
//! may be a large number of such elements, the implementations of
//! this interface should be sufficiently optimized.
//! \tparam T Numeric data type
//! \tparam N Vector dimension
template<class T, int N>
class BVH_PrimitiveSet : public BVH_Object<T, N>, public BVH_Set<T, N>
{
protected:
using BVH_Set<T, N>::Box;
public:
//! Creates set of abstract primitives.
BVH_PrimitiveSet();
//! Releases resources of set of abstract primitives.
virtual ~BVH_PrimitiveSet();
public:
//! Returns AABB of primitive set.
virtual BVH_Box<T, N> Box() const;
//! Returns BVH tree (and builds it if necessary).
virtual const NCollection_Handle<BVH_Tree<T, N> >& BVH();
//! Returns the method (builder) used to construct BVH.
virtual const NCollection_Handle<BVH_Builder<T, N> >& Builder() const;
//! Sets the method (builder) used to construct BVH.
virtual void SetBuilder (NCollection_Handle<BVH_Builder<T, N> >& theBuilder);
protected:
//! Updates BVH of primitive set.
virtual void Update();
protected:
NCollection_Handle<BVH_Tree<T, N> > myBVH; //!< Constructed bottom-level BVH
NCollection_Handle<BVH_Builder<T, N> > myBuilder; //!< Builder for bottom-level BVH
mutable BVH_Box<T, N> myBox; //!< Cached bounding box of geometric primitives
};
#include <BVH_PrimitiveSet.lxx>
#endif // _BVH_PrimitiveSet_Header
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