ILOAD image_file load the image IDISP display it ISCALE change scaling and colours ICOLOUR to highlight features IBROWSE browse around looking at data values ICONTOUR put on some contours IBOXSTATS statistics on sections of image ISLICE profiles of sections of image ICLOSE shut down
ILOAD raw load unsubtracted, raw image IDISP display it IEX SOURCE LIST=source_list remove auto-detected sources IPATCH patch up holes ISTATS get new peak values ISCALE change scaling to bring out peaks IPEAKS mark high spots IEX PIX remove other high spots IPATCH patch new holes ISAVE bgnd save to file ILOAD raw reload raw image ISUB bgnd subtract background IDISP display it . . ICLOSE
ILOAD image load image IDISP display it IZOOM zoom in on relevant section IBROWSE investigate data values ICONTOUR mark with contours IRADIAL plot radial distribution IPSF compare with point-spread-function IAZIM look for azimuthal variation . . ICLOSE
ILOAD image load image IDISP display it IGRID 1 put RA/DEC grid on it IZOOM zoom in on area of interest IMODE switch to keyboard mode IPOSIT (RA) (DEC) find exact spot IBOXSTATS get max and min of small area ISCALE rescale to highlight features ICONTOUR put on contours . . ICLOSE