1 // Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // HYDROData_Quadtree : Quadtree implementation (from SMESH module)
24 // File : HYDROData_Quadtree.cxx
27 #include "HYDROData_Quadtree.hxx"
30 * Constructor. limit must be provided at tree root construction.
31 * limit will be deleted by HYDROData_Quadtree.
33 HYDROData_Quadtree::HYDROData_Quadtree(HYDROData_TreeLimit* limit) :
39 * \brief Allocate a bndbox according to childIndex. childIndex is zero based
41 Bnd_B2d* HYDROData_Quadtree::newChildBox(int childIndex) const
43 gp_XY ming = getBox()->CornerMin();
44 gp_XY maxg = getBox()->CornerMax();
45 gp_XY HSize = (maxg - ming) / 2.;
46 gp_XY childHsize = HSize / 2.;
48 gp_XY minChild(ming.X() + childIndex % 2 * HSize.X(), ming.Y() + (childIndex > 1) * HSize.Y());
50 return new Bnd_B2d(minChild + childHsize, childHsize);
54 * \brief Compute the biggest dimension of my box
56 double HYDROData_Quadtree::maxSize() const
58 if (getBox() && !getBox()->IsVoid())
60 gp_XY ming = getBox()->CornerMin();
61 gp_XY maxg = getBox()->CornerMax();
62 gp_XY Size = (maxg - ming);
63 double returnVal = (Size.X() > Size.Y()) ? Size.X() : Size.Y();