Name

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      SUN_SHADE

Purpose

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      Make a colored shaded relief view of a surface array.

Category

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Calling Sequence

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      relief = sun_shade(surf, [alt, azi, smin, smax])

Inputs

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      surf = Surface array. in
      alt = Optional sun altitude (def = 60). in
      azi = Optional sun azimuth (def = 135). in
      smin = Optional min value to use for scaling. in
      smax = Optional max value to use for scaling. in
        If not specified the array min and max are used.
        These are useful to insure that different data
        arrays are scaled the same.

Keyword Parameters

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Outputs

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      relief = Shaded relief image. out

Common Blocks

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Notes

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      Note: Use shade_clt to get proper color table.

Modification History

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      J. Culbertson, 15 Feb, 1989.
      Re-entered by RES.
      Johns Hopkins University Applied Physics Laboratory.
      RES 31 Aug, 1989 --- converted to SUN.
      R. Sterner, 27 Jan, 1993 --- dropped reference to array.
      R. Sterner, 2010 Jun 04 --- Converted arrays from () to [].
  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.