GET/GCURSOR | read coordinates from graphics screen |
CENTER/GAUSS | computes center of a 1-dim. or 2-dim. feature |
MODIFY/GCURSOR | change data line of an image interactively |
INTEGRATE/APERTURE | compute flux inside an aperture |
INTEGRATE/LINE | integrate row of a frame using the cursor |
INTEGRATE/STAR | compute flux, radius and background of stars |