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MAP_ARRHD

MAP_ARRHD

Name


      MAP_ARRHD

Purpose


      Plot an arrow head on a map.

Category


Calling Sequence


      map_arrhd, lng, lat

Inputs


      lng, lat = Longitude and Latitude of arrow head. in

Keyword Parameters


Keywords


        HEADING=hd Azimuth arrow head points (def=0).
        LENGTH=len Length of arrow head (def=20).
        UNITS=unt Units of length.
          'kms' Kilometers (Default).
          'miles' Statute miles.
          'nmiles' Nautical miles.
          'feet' Feet.
          'yards' Yards.
          'degrees' Degrees (great circle).
          'radians' Radians (great circle).
          'pixels' Device coordinates.
        COLOR=clr outline color (def=!p.color).
        THICKNESS=thk outline thickness (def=!p.thick).
        FILL=fclr fill color (def=none).
        SHAPE=shp Arrow head shape (1=fat, 0=thin, def=0.5).
        /BASE means plot arrow head base only.
        LABEL=lbl Optional label (def=none).
        LCOLOR=lclr Label color (def=color).
        LTHICK=lthk Label thick (def=thk).
        LSIZE=lsz Label size (def=1.0).
        LORIENT=lori Label angle, relative to track.
        LOFFSET=loff Label offset from track. + on 3:00 side of
          track (right side), - on 9:00 side (left side).
          Values like 1.5, or 2, or -2.
        LALIGN=lagn Label alignment from offset pt.
          Works like xyouts align keyword.

Outputs


Common Blocks


Notes


Modification History


      R. Sterner, 2000 Jun 30
      R. Sterner, 2001 Aug 16 --- Added Pixels.
      R. Sterner, 2004 Apr 01 --- Pixels broke. Fixed.
  Copyright (C) 2000, 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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