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      Plot a color bars with defined ranges.


Calling Sequence

      rbar, file


      file = color bar definition file name. in
      s = Instead a file may give a structure. in
        s must contain the following items:
        n: # colors
        clr: Array of n colors (24 bit values)
        tick_lab: n+1 Labels for ticks (some may be space)
        tick_flag: n+1 flags: 0=ignore, 1=show.
      The bar will have labels at the top and bottom and
      at each color boundary between. Some labels may be blank.

Keyword Parameters


        /vertical Plot a vertical color bar (default).
        /horizontal Plot a horizontal color bar.
        GET_STRUCT=s Read the structure from the file and return.
        /FILE_FORM Show help on the file format.
        ERROR=err Error flag: 0=ok.


Common Blocks


      Notes: Use plot keywords to position and control the bar.

Modification History

      R. Sterner, 2005 Jun 24
      R. Sterner, 2005 Jun 28 --- Fixed to preserve existing map scaling.
  Copyright (C) 2005, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.

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