[magick-users] Converting 16-bit GRAY files to 8 bits

[Anthony Thyssen]

On Mon, 2 Feb 2009 12:12:32 -0800
magick-users-bounces at imagemagick.org wrote:

| >I do have Q16. I did some variants of the 'convert gradient:' commands
| >in your other message and got both 8-bit and 16-bit grey-scale PNG's.
| >It seems that the statement
| >      To force the use of an single 8bit greyscale channel use either
| >        convert  input.jpg  -type Scale       gray.png
| >        convert  input.jpg  -type GrayScale   gray.png
| >at http://www.imagemagick.org/Usage/formats/#png_formats
| >is incorrect.
| >
| >But I still don't know how to change my 12-bit pixels to 8 bits :-(
| 
| 
| 
| There is no such thing as -type Scale as far as I know.
| 
| convert -list type
| 
| will show you all the options for -type
| 
There use to be!   Removing...



  Anthony Thyssen ( System Programmer )    <A.Thyssen at griffith.edu.au>
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   PROGRAM  (pro'-gram)  [n] A magic spell cast over a computer allowing
      it to turn one's input into error messages.  [vt] To engage in a
      pastime similar to banging one's head against a wall,  but, with
      fewer opportunities for reward.                <dissel at nunic.nu.edu>
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     Anthony's Home is his Castle     http://www.cit.gu.edu.au/~anthony/