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 // HYDRO HYDROData_Octree : Octree implementation (from SMESH module)
24 // File : HYDROData_Octree.cxx
25 // Created : Tue Jan 16 16:00:00 2007
26 // Author : Nicolas Geimer & Aurélien Motteux(OCC)
29 #include "HYDROData_Octree.hxx"
32 * Constructor. limit must be provided at tree root construction.
33 * limit will be deleted by HYDROData_Octree.
35 HYDROData_Octree::HYDROData_Octree(HYDROData_TreeLimit* limit) :
41 * \brief Allocate a bndbox according to childIndex. childIndex is zero based
43 Bnd_B3d* HYDROData_Octree::newChildBox(int childIndex) const
45 gp_XYZ min = getBox()->CornerMin();
46 gp_XYZ max = getBox()->CornerMax();
47 gp_XYZ HSize = (max - min) / 2.;
48 gp_XYZ childHsize = HSize / 2.;
50 gp_XYZ minChild(min.X() + childIndex % 2 * HSize.X(),
51 min.Y() + (childIndex % 4) / 2 * HSize.Y(),
52 min.Z() + (childIndex >= 4) * HSize.Z());
54 return new Bnd_B3d(minChild + childHsize, childHsize);
58 * \brief Compute the bigger dimension of my box
60 double HYDROData_Octree::maxSize() const
62 if (getBox() && !getBox()->IsVoid())
64 gp_XYZ min = getBox()->CornerMin();
65 gp_XYZ max = getBox()->CornerMax();
66 gp_XYZ Size = (max - min);
67 double returnVal = (Size.X() > Size.Y()) ? Size.X() : Size.Y();
68 return (returnVal > Size.Z()) ? returnVal : Size.Z();