# coyote: WINDOWIMAGE

- coyote/Graphics
- [Source code]

Description

      Allows the user to interactively adjust image contrast by means of "windowing and
      leveling" the image. Move the cursor vertically in the window to adjust the image
      stretch "window". Move the cursor horizontally in the window to adjust the image
      "level".

Categories

      Graphics

Params

      image: in, required, type=any
           Any 2D array that you wish to adjust the contrast of.

Keywords

      brewer: in, optional, type=boolean, default=0
          Set this keyword to indicate a Brewer color table is desired.
      colortable: in, optional, type=integer, default=0
           The index number of a color table to load with cgLoadCT.
      neutralcolor: in, optional, type=string
          The name of the color to use for values outside the image "window" in
          the color table. If a default grayscale color table is loaded, the default
          color is "rose", otherwise the default is "black".
      reverse: in, optional, type=boolean, default=0
          Set this keyword if you wish to reverse the color table.

Examples

      To see a demonstation::
         IDL> WindowImage

Author

      FANNING SOFTWARE CONSULTING::
          David W. Fanning
          1645 Sheely Drive
          Fort Collins, CO 80526 USA
          Phone: 970-221-0438
          E-mail: david@idlcoyote.com
          Coyote's Guide to IDL Programming: http://www.idlcoyote.com

History

      Change History::
         Written, 29 November 2010. DWF.
         Added color protection to the program. 30 Nov 2010. DWF.
         Modification of cgImage command to prevent flashing. 27 Feb 2011. DWF.

Copyright

      Copyright (c) 2010, Fanning Software Consulting, Inc.