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ELL_LOX_SIDE

ELL_LOX_SIDE

Name


      ELL_LOX_SIDE

Purpose


      Find which side of a loxodrome a given point located on.

Category


Calling Sequence


      side = ell_lox_side( p1, p2, pt)

Inputs


      p1 = Start point of the loxodrome {lon:lon1, lat:lat1}. in
      p2 = End point of the loxodrome {lon:lon2, lat:lat2}. in
      pt = Point to check {lon:lont, lat:latt}. in
          If lont and latt are arrays side will be an array also.
      side = Side code (pt as seen from p1):
        -1 means pt is left of p2.
          0 means pt is aligned with p2.
        +1 means pt is right of p2.

Keyword Parameters


Outputs


Common Blocks


Notes


Modification History


      R. Sterner, 2009 Jan 15
  Copyright (C) 2009, 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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