Hello.

> I've been using Lilypond regularly for several years now with great 
> satisfaction.  Recently, I've begun using lilypond generated png files in 
> powerpoint presentations and I'd like to know if there is a way to 
> generate these files with a transparent (rather than white) background so 
> I can add something like a textured background image.  Any help is 
> greatly appreciated.

You can use the "convert" tool (part of "imagemagick" package) like this:

 $ convert test.png -transparent white test_tr.png

which will create "test_tr.png" with a transparent background.


Best,
Gilles


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