Point Cloud Library (PCL)  1.9.1-dev
binary_node.h
1 /*
2 Copyright (c) 2006, Michael Kazhdan and Matthew Bolitho
3 All rights reserved.
4 
5 Redistribution and use in source and binary forms, with or without modification,
6 are permitted provided that the following conditions are met:
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8 Redistributions of source code must retain the above copyright notice, this list of
9 conditions and the following disclaimer. Redistributions in binary form must reproduce
10 the above copyright notice, this list of conditions and the following disclaimer
11 in the documentation and/or other materials provided with the distribution.
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13 Neither the name of the Johns Hopkins University nor the names of its contributors
14 may be used to endorse or promote products derived from this software without specific
15 prior written permission.
16 
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
18 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO THE IMPLIED WARRANTIES
19 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
20 SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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22 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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27 */
28 
29 #ifndef BINARY_NODE_INCLUDED
30 #define BINARY_NODE_INCLUDED
31 
32 #define MSVC_2010_FIX 1
33 
34 namespace pcl
35 {
36  namespace poisson
37  {
38  template<class Real>
39  class BinaryNode
40  {
41  public:
42  static inline int CenterCount( int depth ) { return 1<<depth; }
43  static inline int CornerCount( int depth ) { return (1<<depth)+1; }
44  static inline int CumulativeCenterCount( int maxDepth ) { return (1<<(maxDepth+1))-1; }
45  static inline int CumulativeCornerCount( int maxDepth ) { return (1<<(maxDepth+1))+maxDepth; }
46  static inline int Index( int depth , int offSet ) { return (1<<depth)+offSet-1; }
47  static inline int CenterIndex( int depth , int offSet ) { return (1<<depth)+offSet-1; }
48  static inline int CornerIndex( int depth , int offSet ) { return (1<<depth)+offSet+depth; }
49 
50  static inline int CornerIndex( int maxDepth , int depth , int offSet , int forwardCorner ){ return (offSet+forwardCorner)<<(maxDepth-depth); }
51  static inline Real CornerIndexPosition(int index,int maxDepth){ return Real(index)/(1<<maxDepth); }
52  static inline Real Width(int depth){ return Real(1.0/(1<<depth)); }
53  static inline void CenterAndWidth( int depth , int offset , Real& center , Real& width )
54  {
55  width=Real (1.0/(1<<depth) );
56  center=Real((0.5+offset)*width);
57  }
58  static inline void CenterAndWidth( int idx , Real& center , Real& width )
59  {
60  int depth , offset;
61  DepthAndOffset( idx , depth , offset );
62  CenterAndWidth( depth , offset , center , width );
63  }
64  static inline void DepthAndOffset( int idx , int& depth , int& offset )
65  {
66  int i=idx+1;
67 #if MSVC_2010_FIX
68  depth = 0;
69 #else // !MSVC_2010_FIX
70  depth = -1;
71 #endif // MSVC_2010_FIX
72  while( i )
73  {
74  i >>= 1;
75  depth++;
76  }
77 #if MSVC_2010_FIX
78  depth--;
79 #endif // MSVC_2010_FIX
80  offset = ( idx+1 ) - (1<<depth);
81  }
82  };
83 
84 
85  }
86 }
87 
88 #endif // BINARY_NODE_INCLUDED
static int CornerIndex(int maxDepth, int depth, int offSet, int forwardCorner)
Definition: binary_node.h:50
static void CenterAndWidth(int idx, Real &center, Real &width)
Definition: binary_node.h:58
This file defines compatibility wrappers for low level I/O functions.
Definition: convolution.h:45
static int CumulativeCenterCount(int maxDepth)
Definition: binary_node.h:44
static Real CornerIndexPosition(int index, int maxDepth)
Definition: binary_node.h:51
static int CenterCount(int depth)
Definition: binary_node.h:42
static int CumulativeCornerCount(int maxDepth)
Definition: binary_node.h:45
static int CornerIndex(int depth, int offSet)
Definition: binary_node.h:48
static int Index(int depth, int offSet)
Definition: binary_node.h:46
static void CenterAndWidth(int depth, int offset, Real &center, Real &width)
Definition: binary_node.h:53
static Real Width(int depth)
Definition: binary_node.h:52
static int CenterIndex(int depth, int offSet)
Definition: binary_node.h:47
static int CornerCount(int depth)
Definition: binary_node.h:43
static void DepthAndOffset(int idx, int &depth, int &offset)
Definition: binary_node.h:64