Name

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      MAPRINGS

Purpose

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      Plot rings (circles) on a map.

Category

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Calling Sequence

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      maprings, dist

Inputs

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      dist = radius of ring. in
        May be an array of distances.

Keyword Parameters

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Keywords

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        UNITS=units Units of dist (def=km).
          Available units (use 2 letters min):
          'radians' Radians.
          'degrees' Degrees.
          'nmiles' Nautical miles.
          'miles' Statute miles.
          'kms' Kilometers (default).
          'meters' Meters.
          'yards' Yards.
          'feet' Feet.
        LNG=lng, LAT=lat Center of ring.
          If not given will be interactive.
          lng and lat may be arrays.
        COLOR=clr Color of ring.
        THICKNESS=thk Thickness of ring.
        LINESTYLE=sty Linestyle of ring.
          Last 3 items may have a value for each value in dist.

Outputs

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Common Blocks

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Notes

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Modification History

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      R.Sterner, 2003 May 22
      R. Sterner, 2010 Oct 27 --- Converted arrays from () to [].
      R. Sterner, 2010 Oct 27 --- Added /CENTER.
  Copyright (C) 2003, 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.