A.I.M.S algorithms


nearestneighborresampler_d.h
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33 
34 
35 #ifndef AIMS_RESAMPLING_NEARESTNEIGHBORRESAMPLER_D_H
36 #define AIMS_RESAMPLING_NEARESTNEIGHBORRESAMPLER_D_H
37 
39 
40 template <class T>
41 void
43  const Motion &invTransform3d,
44  const T &outBackground,
45  const Point3df &outLocation,
46  T &outValue, int t )
47 {
48 
49  Point3df inLocation = invTransform3d.transform( outLocation );
50 
51  doResample(inVolume, inLocation, outBackground, outValue, t);
52 }
53 
54 template <class T>
55 void
57  const Point3df &inLocation,
58  const T &outBackground,
59  T &outValue, int t )
60 {
61  Point3df normalizedInLocation = inLocation;
62  normalizedInLocation[0] += 0.5;
63  normalizedInLocation[1] += 0.5;
64  normalizedInLocation[2] += 0.5;
65 
66  int x = ( int )normalizedInLocation[0];
67  int y = ( int )normalizedInLocation[1];
68  int z = ( int )normalizedInLocation[2];
69 
70  if ( ( normalizedInLocation[0] < 0.0 ) &&
71  ( ( double )x != normalizedInLocation[0] ) )
72  {
73 
74  -- x;
75 
76  }
77  if ( ( normalizedInLocation[1] < 0.0 ) &&
78  ( ( double )y != normalizedInLocation[1] ) )
79  {
80 
81  -- y;
82 
83  }
84  if ( ( normalizedInLocation[2] < 0.0 ) &&
85  ( ( double )z != normalizedInLocation[2] ) )
86  {
87 
88  -- z;
89 
90  }
91 
92  if ( ( x >= 0 ) && ( x < inVolume.dimX() ) &&
93  ( y >= 0 ) && ( y < inVolume.dimY() ) &&
94  ( z >= 0 ) && ( z < inVolume.dimZ() ) )
95  {
96 
97  outValue = inVolume( x, y, z, t );
98 
99  }
100  else
101  {
102 
103  outValue = outBackground;
104 
105  }
106 
107 }
108 
109 #endif
110 
int dimX() const
void doResample(const AimsData< T > &inVolume, const Point3df &inLocation, const T &outBackground, T &outValue, int t)
Point3dd transform(double x, double y, double z) const
int dimZ() const
int dimY() const