If you are using Q16 IM, then the output will be upscaled to 16-bits, so add -depth 8
convert demo.jpg -channel rgba -matte -transparent black -depth 8 demo.rgba >Hi All, > >I am still struggling to convert a JPG to rgba my command looks >something like this > >convert demo.jpg -channel rgba -matte -transparent black demo.rgba > >Now my original file is 512x512 I would expect my output file to be 1M = >512 x 512 x 4 (rgba) however my file is 2M any ideas ? > >Cheers >Chris Howell >Software Engineer >the PYXIS innovation >Kingston, Ontario. >w:www.pyxisinnovation.com _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
