>  Docs Center  >  Libraries  >  JHU/APL/S1R  >  SPHGC

SPHGC

SPHGC

Name


      SPHGC

Purpose


      Find intersections of two great circles on sphere.

Category


Calling Sequence


      sphgc, an1,at1,an2,at2,bn1,bt1,bn2,bt2,pn1,pt1,pn2,pt2

Inputs


      an1, at1 = Longitude and Latitude of point A1 on GC A. in
      an2, at2 = Longitude and Latitude of point A2 on GC A. in
      bn1, bt1 = Longitude and Latitude of point B1 on GC B. in
      bn2, bt2 = Longitude and Latitude of point B2 on GC B. in

Keyword Parameters


Keywords


        flag=f Flag: 0=no poles found, 1=OK.

Outputs


      pn1, pt1 = Longitude and Latitude of pole 1. out
      pn2, pt2 = Longitude and Latitude of pole 2. out

Common Blocks


Notes


      Notes: all coordinates in degrees.

Modification History


      R. Sterner, 1994 Sep 20
  Copyright (C) 1994, 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.



© 2019 Harris Geospatial Solutions, Inc. |  Legal
My Account    |    Store    |    Contact Us