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      Plot a point or segment on current map.


Calling Sequence

      ell_plot_pt, p1 [, p2]


      p1 = Point to plot. in
      p2 = Optional endpoint of segment to plot. in
        Both points are structures {lon:lon,lat:lat}.
        Structure p1 may be a segment instead of a single
        point: {lon1:lon1,lat1:lat1,lon2:lon2,lat2:lat2}.

Keyword Parameters


        PSYM=psym Plot symbol for a point (or segment endpoints).
        Other plot keywords also allowed.
        AZI=azi Optional azimuth from p1 (if p1 is a single pt).
        RADIUS=r Option radius (m) from p1 (if a single point).
          This will plot a circle about p1.


Common Blocks


      Notes: If given two points a segment along a geodesic
        will be plotted.

Modification History

      R. Sterner, 2007 Aug 05
      R. Sterner, 2007 Sep 19 --- Upgraded to plot a segment also.
      R. Sterner, 2008 Feb 08 --- Added RADIUS=r.
      R. Sterner, 2008 Feb 11 --- Allows plot symbols at segment ends.
  Copyright (C) 2007, 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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