Legacy ImageMagick Discussions Archive • 2 jpgs to one TGA with alpha channel

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2 jpgs to one TGA with alpha channel

Posted: 2008-05-14T01:11:56-07:00

by kino

Hello !

I'm trying to convert two jpg-files to a TGA image with an alpha channel. First JPG has just colors, second one has an alpha.

Any hints ?

Jukka

Re: 2 jpgs to one TGA with alpha channel

Posted: 2008-05-14T10:19:18-07:00

by fmw42

see copy_opacity

http://www.imagemagick.org/Usage/compose/#copyopacity

Re: 2 jpgs to one TGA with alpha channel

Posted: 2008-05-14T23:04:34-07:00

by kino

Yippiee, I did it:

convert diffuse.jpg alpha.jpg -colorspace RGB -alpha Off -compose copy_opacity -composite final_image.tga