Examples

Get statistics for background region...

 > IREG ANN                - define annular region
 > ISTATS                  - get stats for that region

 > IREG NOTCIRC            - select region outside given circle
 > IREG ADDANN             - add an annular region (mirror support?)
 > IREG ADDSLI             - add rectangular area (rib?)
 > IREG ADDSLI             - repeat for other ribs
 > IDISP                   - clear away construction lines
 > IREG SHO                - show outline of accumulated region
 > IREG EXP FILE=RIBS.ARD  - save ARD text to file
 > IEXC REG CURR           - set quality for this region
 > IREG WHO                - reselect whole image for further
                             processing

 > ILOAD new-image DISP \
 > IREG IMP TEXT=RIBS.ARD  - use ARD text saved earlier
 > IEXC REG CURR

 > IREG XSP AUTO

 > IREG CIR                - select area of image containing source
 > IREG ANDCON LEV=x       - select pixels within this area greater
 > IEXC REG CURR           - than given level and remove