Menu for the package stsdas.hst_calib.foc.focgeom

       fitxy - Compute four-parameter linear fit to X,Y vs V2,V3.
      evalxy - Evaluate the fit computed by 'fitxy'.
     newgeom - Geometrically correct an image.
       p2geo - Evaluate polynomial fit file and make a GEO image for 'newgeom'.
    rappendx - Append reseau entries from one file to another.
    rdifferx - Plot histogram of differences between entries in separate files.
 rdirectoryx - Print directory of all entries in a reseau file.
     rdprint - Print difference between two reseau entries.
      resavg - Average reseau entries.
     resfind - Automatically find reseau marks.
   revalfitx - Evaluate, at certain points, fit produced by 'rfitx'.
     rextrap - Extrapolate a reseau grid by one row or column on all sides.
      rfindx - Locate reseau marks in an image.
       rfitx - Calculate fit of distorted coordinates to reference coordinates.
       rfixx - Fix holes in reseau file entries.
       rgenx - Generate a reseau file or entry.
     rinterx - Perform simple interpolation between reseau grids.
    rmarkerx - Interactively modify the positions in a reseau table.
      rplotx - Plot magnified vector differences between reseau grids.
     rprintx - Print out reseau mark coordinates.
       rstat - Print statistics about one or two reseau entries.
     rsubset - Extract or print a subset of a reseau grid.
      rtodbx - Put reseau data in a form suitable for geometry tasks in
               the 'images' package.
 rtransformx - Perform linear transformations on reseau coordinates.
  slitanglex - Measure the angle of long slit spectrum to AXIS1.
    tevalfit - Evaluate a surface fit on positions in an ASCII file.

(Type "help focgeom opt=sys" for more information about 'focgeom'.)
(Type "help reseau_files" for more information about reseau files.)
(Type "help foc_conventions" for more information about FOC-specific 
conventions.)