1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
#include <viaio/VImage.h>
#include <viaio/VGraph.h>
#include <viaio/Volumes.h>
#ifdef __cplusplus
extern "C" {
#endif
/*!
\struct SNode
\brief data struct for representing nodes in a graph.
\param VShort <b> col</b> column index
\param VShort <b>row</b> row index
\param VShort <b>band</b> slice (band) index
\param VShort <b>label</b> node label
\par Author:
Gabriele Lohmann, MPI-CBS
*/
typedef struct SNodeStruct {
VNodeBaseRec base;
VShort type;
VShort col;
VShort row;
VShort band;
VShort label;
} SNodeRec, *SNode;
/*!
\struct FNode
\brief data struct for representing nodes in a graph.
\param VFloat <b>x</b> column index
\param VFloat <b>y</b> row index
\param VFloat <b>z</b> slice (band) index
\param VFloat <b>val</b> node label
\par Author:
Gabriele Lohmann, MPI-CBS
*/
typedef struct FNodeStruct {
VNodeBaseRec base;
VFloat type;
VFloat x;
VFloat y;
VFloat z;
VFloat label;
} FNodeRec, *FNode;
/*!
\struct VoxelList
\brief data struct for representing voxels.
\param short <b>b</b> slice (band) index
\param short <b>r</b> row index
\param short <b>c</b> column index
\par Author:
Gabriele Lohmann, MPI-CBS
*/
typedef struct {
short b;
short r;
short c;
} Voxel, *VoxelList;
/*!
\struct PixelList
\brief data struct for representing pixels.
\param short <b>r</b> row index
\param short <b>c</b> column index
\par Author:
Gabriele Lohmann, MPI-CBS
*/
typedef struct {
short r;
short c;
} Pixel, *PixelList;
/*!
\struct VPoint
\brief data struct for representing labelled voxels. The label is a float value.
\param short <b>b</b> slice (band) index
\param short <b>r</b> row index
\param short <b>c</b> column index
\param float <b>val</b> label value
\par Author:
Gabriele Lohmann, MPI-CBS
*/
typedef struct {
short b;
short r;
short c;
float val;
} VPoint;
/*!
\struct XPoint
\brief data struct for representing 3D points.
\param float <b>x</b> slice (band) index
\param float <b>y</b> row index
\param float <b>z</b> column index
\par Author:
Gabriele Lohmann, MPI-CBS
*/
typedef struct pointStruct{
float x;
float y;
float z;
} XPoint;
/*
** access to a pixel
*/
#define VPixelIndex(image, i) \
((VPointer) ((char *) (VImageData(image) + (i) * VPixelSize (image))))
/*
** fast implementation of rounding
*/
#define VRintPos(x) ((int)((x) + 0.5))
#define VRintNeg(x) ((int)((x) - 0.5))
#define VRint(x) ((x) >= 0 ? VRintPos(x) : VRintNeg(x))
#define VFloor(x) ((x) >= 0 ? (int)((x+0.000001)) : (int)((x) - 0.999999))
#define VCeilPos(x) (VRint((x)) == (x) ? (x) : (int)(x+0.99999))
#define VCeilNeg(x) (VRint((x)) == (x) ? (x) : (int)(x+0.00001))
#define VCeil(x) ((x) >= 0 ? VCeilPos(x) : VCeilNeg(x))
/*
** some other stuff
*/
#define VSqr(x) ((x) * (x))
#define VAbs(x) ((x) > 0 > ? (x) : -(x))
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
|
