Name

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      ELL_DIST_MATCH

Purpose

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      Find point with equal distance to 2 reference points.

Category

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Calling Sequence

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      ell_dist_match, p1, p2, p3, azi, pm

Inputs

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      p1, p2 = Reference points. in
      p3 = Starting search point. in
        Points are structures:
          {lon:lon, lat:lat}.
      azi = Azimuth of geodesic through p3. in

Keyword Parameters

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Keywords

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        AZIMUTH=[a1,a2] Final azimuths from point pm
          to points p1 and p2.
        TOL=tol Tolerance in meters (def=0.001).
        ERROR=err Error flag: 0=ok.

Outputs

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      pm = Distance matching point. out

Common Blocks

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Notes

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Modification History

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      R. Sterner, 2007 Aug 05
      R. Sterner, 2007 Sep 21
      R. Sterner, 2008 Nov 25 --- Detected undefined tp and returned error.
      R. Sterner, 2010 Jan 03 --- Fixed an undefined err, Dropped help,/st,...
  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.