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      Draw arrows on screen.


Calling Sequence

      arrow2, xt, yt, xh, yh


      xt, yt = x,y of arrow tail. in
      xh, yh = x,y of arrow head. in

Keyword Parameters


        /DATA means use data coordinates (def).
        /NORM means use normalized coordinates.
        /DEVICE means use device coordinates.
        COLOR=c arrow outline color (def=255).
          Make same as FILL for no outline.
        THICK=t arrow outline thickness (def=0).
        LINESTYLE=s arrow outline line style (def=0).
        FILL=f set arrow fill color (0-255, def = -1 = no fill).
        LENGTH=l Arrow head length in % plot width (def = 3).
        WIDTH=w Arrow head width in % plot width (def = 2).
        SHAFT=s Arrow shaft width in % plot width (def = 1).


Common Blocks


Modification History

      R. Sterner, 21 Sep, 1990
      R. Sterner, 11 Nov, 1993 --- renamed from arrow.
      R. Sterner, 20001 May 22 --- Cleaned up and plotted in /dev.
      R. Sterner, 2010 Apr 30 --- Converted arrays from () to [].
  Copyright (C) 1990, 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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