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#include <funtools.h>
int main(int argc, char **argv)
{
int i, j, bitpix, dim1, dim2;
double *buf;
unsigned char *cbuf;
short *sbuf;
int *ibuf;
float *fbuf;
double *dbuf;
Fun fun;
/* sanity check */
if( argc < 2 ) return 1;
/* open file for reading */
if( !(fun=FunOpen(argv[1], "r", NULL)) ){
fprintf(stderr, "ERROR: can't open funtools file: %s\n", argv[1]);
return 1;
}
/* extract (and bin, if necessary) data into a double prec. image buffer */
/* data type is not specified and therefore is that of the file */
if( !(buf = FunImageGet(fun, NULL, NULL)) ){
fprintf(stderr, "ERROR: can't get image: %s\n", argv[1]);
return 1;
}
/* get image dimensions after FunImageGet, in case an image section
was specified on the command line, which changes image dimensions */
FunInfoGet(fun, FUN_SECT_BITPIX, &bitpix,
FUN_SECT_DIM1, &dim1, FUN_SECT_DIM2, &dim2, 0);
/* set appropriate data type buffer to point to image buffer */
switch(bitpix){
case 8: cbuf = (unsigned char *)buf; break;
case 16: sbuf = (short *)buf; break;
case 32: ibuf = (int *)buf; break;
case -32: fbuf = (float *)buf; break;
case -64: dbuf = (double *)buf; break;
}
/* loop through image */
for(i=0; i<dim2; i++){
for(j=0; j<dim1; j++){
switch(bitpix){
case 8: fprintf(stdout, "%4d ", cbuf[i*dim1+j]); break;
case 16: fprintf(stdout, "%6d ", sbuf[i*dim1+j]); break;
case 32: fprintf(stdout, "%9d ", ibuf[i*dim1+j]); break;
case -32: fprintf(stdout, "%.2f ", fbuf[i*dim1+j]); break;
case -64: fprintf(stdout, "%.6f ", dbuf[i*dim1+j]); break;
}
}
fprintf(stdout, "\n");
}
/* close file */
FunClose(fun);
return 0;
}
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