-// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2022 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
/*!
* \brief 3D tree of anything.
* Methods to implement in a descendant are:
- * - Bnd_B3d* buildRootBox(); // box of the whole tree
+ * - Bnd_B3d* buildRootBox(); // box of a tree
* - descendant* newChild() const; // a new child instance
- * - void buildChildrenData(); // Fill in data of the children
+ * - void buildChildrenData(); // distribute own data among children
*/
class SMESHUtils_EXPORT SMESH_Octree : public SMESH_Tree< Bnd_B3d, 8 >
{
// Constructor. limit must be provided at tree root construction.
// limit will be deleted by SMESH_Octree
SMESH_Octree (SMESH_TreeLimit* limit=0);
+ virtual ~SMESH_Octree() {};
// Compute the bigger dimension of my box
double maxSize() const;
// Return index of a child the given point is in
- inline int getChildIndex(double x, double y, double z, const gp_XYZ& boxMiddle)const;
+ inline static int getChildIndex(double x, double y, double z, const gp_XYZ& boxMiddle);
protected:
// Allocate a bndbox according to childIndex. childIndex is zero based
virtual Bnd_B3d* newChildBox(int childIndex) const;
+
+ // Change size of a box by a factor; each dimension changes independently of others
+ virtual void enlargeByFactor( Bnd_B3d* box, double factor ) const;
};
//================================================================================
/*!
* \brief Return index of a child the given point is in
*/
-inline int SMESH_Octree::getChildIndex(double x, double y, double z, const gp_XYZ& mid) const
+inline int SMESH_Octree::getChildIndex(double x, double y, double z, const gp_XYZ& mid)
{
return (x > mid.X()) + ( y > mid.Y())*2 + (z > mid.Z())*4;
}