Legacy ImageMagick Discussions Archive

When I display the three images in my browser (the first and last images are identical!)
That to mean means IM did the right thing.

That DOESN'T mean IM did the right thing. You can't see the differences in browser - you must open them in graphic editor, like Photoshop.

So, here is explained ...

There is a small example images:

Original RGB : http://www.vyzj-art.cz/im-test/raven_head_rgb.jpg
CMYK converted via Photoshop : http://www.vyzj-art.cz/im-test/raven_head_cmyk_PS.jpg
CMYK converted via ImageMagick : http://www.vyzj-art.cz/im-test/raven_head_cmyk_IM.jpg

Just open it in Photoshop ...

Convert to CMY is not right solution for us. We need convert images for printing.

Perhaps you need to explain 'putting black in the other channels'
If we convert image via ImageMagick, in black color we get this values:
C: 0% | M : 0% | Y: 0% | K: 99%

If we convert image via Photoshop (for ...

Hi,

we try to convert image via imagemagick from RGB to CMYK, but we need to split black into the other channels (CMY), not only into K channel. In the past, this function could do "undercolor", but today not. How can we solve this problem please?

Thanks!