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Grayscale Issue while converting from RGB

https://imagemagick.com/discourse-server/viewtopic.php?t=6237

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Posted: 2006-03-30T12:04:57-07:00
by magick
Add -colors 256 to your command line to produce a 1 sample per pixel grayscale TIFF image.

Posted: 2006-03-31T06:11:27-07:00
by magick
Add the -colors option after the input filename:
  • convert F:\sites1\imagemagick\images\DHP0391.jpg -strip -colorspace gray -colors 256 F:\sites1\imagemagick\images\DHP0391_gray_tif.tiff
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