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DOT

DOT

Name


      DOT

Purpose


      Used by SUN_SHADE for dot prod. of surf. normal & sun vect.

Category


Calling Sequence


      r = dot(s,[azi,alt])

Inputs


      s = Surface array to be shaded. in
      azi = Light azimuth (deg, def = 135). in
      alt = Light altitude (deg, def = 60). in

Keyword Parameters


Outputs


      r = dot products: surface normals and sun vector. out

Common Blocks


Notes


Modification History


      R. Sterner. 8 Mar, 1989.
      R. Sterner, 27 Jan, 1993 --- dropped reference to array.
      Slightly modified version of routine by J. Culbertson.
      R. Sterner, 2010 May 04 --- Converted arrays from () to [].
      Johns Hopkins University Applied Physics Laboratory.
  Copyright (C) 1989, 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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