packages/vtk/src/bbtkStaticLecture.cxx

   1 #include "bbtkStaticLecture.h"
   2
   3
   4         void bbtkStaticLecture::setPixelValue(int i, int j, int k, vtkImageData* img, double value)
   5         {
   6                 //double rta;
   7                 int scalar_type = img->GetScalarType();
   8                 int* ext = img->GetExtent();
   9                 if (i < ext[0])
  10                         return;
  11                 if (i > ext[1])
  12                         return;
  13
  14                 if (j < ext[2])
  15                         return;
  16                 if (j > ext[3])
  17                         return;
  18
  19                 if (k < ext[4])
  20                         return;
  21                 if (k > ext[5])
  22                         return;
  23
  24                 switch (scalar_type)
  25                 {
  26                         case VTK_CHAR:
  27                                 char * ap2;
  28                                 ap2 = (char *) img->GetScalarPointer(i,j,k);
  29                                 *ap2 = (char) value;
  30                         break;
  31                         case VTK_UNSIGNED_CHAR:
  32                                 unsigned char * ap3;
  33                                 ap3 = (unsigned char *) img->GetScalarPointer(i,j,k);
  34                                 *ap3 = (unsigned char) value;
  35                         break;
  36                         case VTK_SHORT:
  37                                 short * ap4;
  38                                 ap4 = (short *) img->GetScalarPointer(i,j,k);
  39                                 *ap4 = (short) value;
  40                         break;
  41                         case VTK_UNSIGNED_SHORT:
  42                                 unsigned short * ap5;
  43                                 ap5 = (unsigned short *) img->GetScalarPointer(i,j,k);
  44                                 *ap5 = (unsigned short) value;
  45                         break;
  46                         case VTK_INT:
  47                                 int * ap6;
  48                                 ap6 = (int *) img->GetScalarPointer(i,j,k);
  49                                 *ap6 = (int) value;
  50                         break;
  51                         case VTK_UNSIGNED_INT:
  52                                 unsigned int * ap7;
  53                                 ap7 = (unsigned int *) img->GetScalarPointer(i,j,k);
  54                                 *ap7 = (unsigned int) value;
  55                         break;
  56                         case VTK_LONG:
  57                                 long * ap8;
  58                                 ap8 = (long *) img->GetScalarPointer(i,j,k);
  59                                 *ap8 = (long) value;
  60                         break;
  61                         case VTK_UNSIGNED_LONG:
  62                                 unsigned long * ap9;
  63                                 ap9 = (unsigned long *) img->GetScalarPointer(i,j,k);
  64                                 *ap9 = (unsigned long) value;
  65                         break;
  66                         case VTK_FLOAT:
  67                                 float * ap10;
  68                                 ap10 = (float *) img->GetScalarPointer(i,j,k);
  69                                 *ap10 = (float) value;
  70                         break;
  71                         case VTK_DOUBLE:
  72                                 double * ap11;
  73                                 ap11 = (double *) img->GetScalarPointer(i,j,k);
  74                                 *ap11 = (double) value;
  75                         break;
  76                 }
  77         }
  78         double bbtkStaticLecture::getPixelValue(int i, int j, int k, vtkImageData* img)
  79         {
  80                 double rta;
  81                 int scalar_type = img->GetScalarType();
  82                 int* ext = img->GetExtent();
  83                 if (i < ext[0])
  84                         i=ext[0];
  85                 if (i > ext[1])
  86                         i=ext[1];
  87
  88                 if (j < ext[2])
  89                         j=ext[2];
  90                 if (j > ext[3])
  91                         j=ext[3];
  92
  93                 if (k < ext[4])
  94                         k=ext[4];
  95                 if (k > ext[5])
  96                         k=ext[5];
  97
  98                 switch (scalar_type)
  99                 {
 100                         case VTK_CHAR:
 101                                 char * ap2;
 102                                 ap2 = (char *) img->GetScalarPointer(i,j,k);
 103                                 rta = (double) *ap2;
 104                         break;
 105                         case VTK_UNSIGNED_CHAR:
 106                                 unsigned char * ap3;
 107                                 ap3 = (unsigned char *) img->GetScalarPointer(i,j,k);
 108                                 rta = (double) *ap3;
 109                         break;
 110                         case VTK_SHORT:
 111                                 short * ap4;
 112                                 ap4 = (short *) img->GetScalarPointer(i,j,k);
 113                                 rta = (double) *ap4;
 114                         break;
 115                         case VTK_UNSIGNED_SHORT:
 116                                 unsigned short * ap5;
 117                                 ap5 = (unsigned short *) img->GetScalarPointer(i,j,k);
 118                                 rta = (double) *ap5;
 119                         break;
 120                         case VTK_INT:
 121                                 int * ap6;
 122                                 ap6 = (int *) img->GetScalarPointer(i,j,k);
 123                                 rta = (double) *ap6;
 124                         break;
 125                         case VTK_UNSIGNED_INT:
 126                                 unsigned int * ap7;
 127                                 ap7 = (unsigned int *) img->GetScalarPointer(i,j,k);
 128                                 rta = (double) *ap7;
 129                         break;
 130                         case VTK_LONG:
 131                                 long * ap8;
 132                                 ap8 = (long *) img->GetScalarPointer(i,j,k);
 133                                 rta = (double) *ap8;
 134                         break;
 135                         case VTK_UNSIGNED_LONG:
 136                                 unsigned long * ap9;
 137                                 ap9 = (unsigned long *) img->GetScalarPointer(i,j,k);
 138                                 rta = (double) *ap9;
 139                         break;
 140                         case VTK_FLOAT:
 141                                 float * ap10;
 142                                 ap10 = (float *) img->GetScalarPointer(i,j,k);
 143                                 rta = (double) *ap10;
 144                         break;
 145                         case VTK_DOUBLE:
 146                                 double * ap11;
 147                                 ap11 = (double *) img->GetScalarPointer(i,j,k);
 148                                 rta = (double) *ap11;
 149                         break;
 150                 }
 151                 return rta;
 152         }