Doxygen Source Code Documentation
imaver.c File Reference
#include <mrilib.h>#include <string.h>Go to the source code of this file.
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| #define | MAX(x, y) (((x)>(y))?(x):(y)) |
Functions | |
| int | main (int argc, char *argv[]) |
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\** File : SUMA.c
Input paramters :
Definition at line 16 of file imaver.c. References argc, MRI_IMAGE::kind, machdep(), mri_free(), mri_read_just_one(), mri_stat_seq(), mri_to_short(), and mri_write().
00017 {
00018 int narg , narg_ave,narg_sig ;
00019 MRI_IMAGE * imin , ** imstat ;
00020 int to_short = -1 ;
00021
00022 /*** process command switches ***/
00023
00024 if( argc < 5 || strncmp(argv[1],"-help",2) == 0 ){
00025 printf( "Usage: imaver out_ave out_sig input_images ...\n"
00026 " (use - to skip output of out_ave and/or out_sig)\n"
00027 "* Computes the mean and standard deviation, pixel-by-pixel,\n"
00028 " of a whole bunch of images.\n"
00029 "* Write output images in 'short int' format if inputs are\n"
00030 " short ints, otherwise output images are floating point.\n"
00031 ) ;
00032 exit(0) ;
00033 }
00034
00035 machdep() ;
00036
00037 narg = 1 ;
00038
00039 /*** process input files ***/
00040
00041 narg_ave = narg++ ;
00042 narg_sig = narg++ ;
00043
00044 do{
00045 imin = mri_read_just_one( argv[narg] ) ;
00046 if( imin == NULL ) continue ; /* skip this image! */
00047
00048 if( to_short == -1 ) to_short = (imin->kind == MRI_short) ;
00049
00050 (void) mri_stat_seq( imin ) ;
00051 mri_free( imin ) ;
00052 } while( ++narg < argc ) ;
00053
00054 /*** compute output ***/
00055
00056 imstat = mri_stat_seq( NULL ) ;
00057
00058 if( strcmp(argv[narg_ave],"-") != 0 ){
00059 if( to_short ) imin = mri_to_short( 1.0 , imstat[0] ) ;
00060 else imin = imstat[0] ;
00061
00062 mri_write( argv[narg_ave] , imin ) ;
00063 mri_free( imin ) ;
00064 }
00065
00066 if( strcmp(argv[narg_sig],"-") != 0 ){
00067 if( to_short ) imin = mri_to_short( 1.0 , imstat[1] ) ;
00068 else imin = imstat[1] ;
00069
00070 mri_write( argv[narg_sig] , imin ) ;
00071 mri_free( imin ) ;
00072 }
00073
00074 exit(0) ;
00075 }
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