Version: 9.12.0
SMESH_Quadtree.hxx
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4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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22 
23 // SMESH_Quadtree : Quartree implementation
24 // File : SMESH_Quadtree.hxx
25 // Module : SMESH
26 //
27 #ifndef _SMESH_Quadtree_HXX_
28 #define _SMESH_Quadtree_HXX_
29 
30 #include "SMESH_Utils.hxx"
31 #include "SMESH_Tree.hxx"
32 #include <Bnd_B2d.hxx>
33 
41 class SMESHUtils_EXPORT SMESH_Quadtree : public SMESH_Tree< Bnd_B2d, 4 >
42 {
43 public:
45 
46  // Constructor. limit must be provided at tree root construction.
47  // limit will be deleted by SMESH_Quadtree
49 
50  // Compute the bigger dimension of my box
51  double maxSize() const;
52 
53  // Return index of a child the given point is in
54  //inline int getChildIndex(double x, double y, const gp_XY& boxMiddle)const;
55 
56  protected:
57 
58  // Allocate a bndbox according to childIndex. childIndex is zero based
59  virtual Bnd_B2d* newChildBox(int childIndex) const;
60 
61  // Change size of a box by a factor; each dimension changes independently of others
62  virtual void enlargeByFactor( Bnd_B2d* box, double factor ) const;
63 };
64 
65 //================================================================================
69 //================================================================================
70 
71 // inline int SMESH_Quadtree::getChildIndex(double x, double y, const gp_XY& mid) const
72 // {
73 // return (x > mid.X()) + ( y > mid.Y())*2 + (z > mid.Z())*4;
74 // }
75 
76 #endif
#define SMESHUtils_EXPORT
Definition: SMESH_Utils.hxx:37
2D tree of anything.
Definition: SMESH_Quadtree.hxx:42
SMESH_Tree< Bnd_B2d, 4 > TBaseTree
Definition: SMESH_Quadtree.hxx:44
Base class for 2D and 3D trees.
Definition: SMESH_Tree.hxx:60
virtual double maxSize() const =0
virtual void enlargeByFactor(box_type *box, double factor) const =0
virtual box_type * newChildBox(int childIndex) const =0
Definition: SMESH_Tree.hxx:38