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viadata.h

00001 
00002 #include <viaio/VImage.h>
00003 #include <viaio/VGraph.h>
00004 #include <viaio/Volumes.h>
00005 
00006 #ifdef __cplusplus
00007 extern "C" {
00008 #endif
00009 
00021 typedef struct SNodeStruct {
00022   VNodeBaseRec base;
00023   VShort type;
00024   VShort col;
00025   VShort row; 
00026   VShort band;
00027   VShort label;
00028 } SNodeRec, *SNode;
00029 
00030 
00031 
00043 typedef struct FNodeStruct {
00044   VNodeBaseRec base;
00045   VFloat type;
00046   VFloat x;
00047   VFloat y; 
00048   VFloat z;
00049   VFloat label;
00050 } FNodeRec, *FNode;
00051 
00052 
00063 typedef struct {
00064   short b;
00065   short r;
00066   short c;
00067 } Voxel, *VoxelList;
00068 
00069 
00070 
00080 typedef struct {
00081   short r;
00082   short c;
00083 } Pixel, *PixelList;
00084 
00085 
00097 typedef struct {
00098   short b;
00099   short r;
00100   short c;
00101   float val;
00102 } VPoint;
00103 
00104 
00115 typedef struct pointStruct{
00116   float x;
00117   float y;
00118   float z;
00119 } XPoint;
00120 
00121 
00122 
00123 /*
00124 ** access to a pixel
00125 */
00126 #define VPixelIndex(image, i) \
00127    ((VPointer) ((char *) (VImageData(image) + (i) * VPixelSize (image))))
00128 
00129 /*
00130 ** fast implementation of rounding
00131 */
00132 #define VRintPos(x) ((int)((x) + 0.5))
00133 #define VRintNeg(x) ((int)((x) - 0.5))
00134 #define VRint(x)  ((x) >= 0 ? VRintPos(x) : VRintNeg(x))
00135 
00136 #define VFloor(x) ((x) >= 0 ? (int)((x+0.000001)) : (int)((x) - 0.999999))
00137 
00138 #define VCeilPos(x) (VRint((x)) == (x) ? (x) : (int)(x+0.99999))
00139 #define VCeilNeg(x) (VRint((x)) == (x) ? (x) : (int)(x+0.00001))
00140 #define VCeil(x) ((x) >= 0 ? VCeilPos(x) : VCeilNeg(x))
00141 
00142 
00143 /*
00144 ** some other stuff
00145 */
00146 #define VSqr(x) ((x) * (x))
00147 #define VAbs(x) ((x) > 0 > ? (x) : -(x))
00148 
00149 
00150 #ifdef __cplusplus
00151 }                               /* extern "C" */
00152 #endif                          /* __cplusplus */
00153 

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