Menu for the package stsdas.foc.foccs

    encounts - Compute encircled energy (counts) for star images.
    fextract - Extract regions around stars in a focus image.
    faradius - Compute average radius of autocorrelation of star images.
     fradius - Compute average radius of star images.
    fsquares - Compute sum-of-squares sharpness criterion.
       fblot - Blot out focus images of a star.
      fgauss - Fit a Gaussian to output from 'fsquares' to find focus.
      fhyper - Fit a hyperbola to output from 'faradius' or 'fradius' to 
               find focus.
       flall - Do all steps to make a flat field (UNI file).
    flborder - Replace border by extrapolating from nearest pixel.
    flcorner - Replace corner of f/48 internal flat with external flat.
     flmakev - Make a mask table from a mask image for use by 'flvmask'.
      flnorm - Normalize a flat field by dividing by average of middle region.
     flvmask - Apply a mask table to interpolate along vertical lines.

Type "help foccs opt=sys" for more information about the 'foccs' package.