Legacy ImageMagick Discussions Archive

I wrote a unix bash shell script to emulate it

I need to replicate it using ImageMagick only..... looking in the Gimp/src I found this

https://git.gnome.org/browse/gimp/tree/ ... d59edcb95d

Any way to do it with ImageMagick?

From the Gimp help The Color to Alpha command makes transparent all pixels of the active layer that have a selected color. An Alpha channel is created. It will attempt to preserve anti-aliasing information by using a partially intelligent routine that replaces weak color information with weak alpha ...