Name

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      COLOR_WHEEL

Purpose

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      Pick a color using a color wheel.

Category

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Calling Sequence

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      color_wheel, clr

Inputs

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Keyword Parameters

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Keywords

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        /VARYWHEEL means vary wheel brightness using bar.
        XPOS=xpos, YPOS=ypos Window position.
        SIZE=sz Size of color wheel (def=200).

Outputs

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      clr = Returned color. out
        -1 means ignore new color.

Common Blocks

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Notes

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      Notes: color is selected by clicking on a color
        wheel and brightness bar.

Modification History

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      R. Sterner, 2000 Aug 22
      R. Sterner, 2001 Feb 15 --- Added HSV and RGB listing.
      R. Sterner, 2010 May 03 --- Converted arrays from () to [].
  Copyright (C) 2000, 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.