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From:	Abhijit Kshirsagar <abhijit86k AT gmail DOT com>
Date:	Wed, 9 Apr 2014 22:39:31 +0530
Message-ID:	<CACNnPRkQCnvmKmFZejVWJUBu=yWuwHobQMrEYAyqYHhuOGZXUg@mail.gmail.com>
Subject:	Re: [geda-user] schdiff and gEDA/gaf 1.9
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On Tue, Jan 28, 2014 at 12:29 AM, Vladimir Zhbanov <vzhbanov AT gmail DOT com> wrote:
> Abhijit, you can try to rename your ~/.gEDA/gschemrc and ~/.gEDA/gafrc
> to something differing in order to check if your config affects your
> schdiff output. Use a fresh project without any rc-files to check that.
> Then you can separately run each of the commands in the schdiff script
> to see if the text will exist in the $LEFTPNG, $RIGHTPNG, and $DIFFPNG
> images.

Its definitely a color scheme problem. No text in the $LEFTPNG,
$RIGHTPNG etc either for the dark background, but I get faint gray
text for light background.

Funny thing is - if my ~/.gEDA/gschemrc has the line:
(load (build-path geda-rc-path "gschem-colormap-lightbg"))
I get the schematic diff image with dark background, and vice versa.

> BTW, I've found my schdiff changes do not work for the current geda-gaf
> version, probably because of reverts made by Peter Clifton.

Which version of gEDA gaf do you have?
I'm running gEDA/gaf 1.9.0 (g222ae70) and having no problems, except one -

When I run "gaf export --format=png schematic.sch" on a schematic
which references a missing symbol, the result is a zero byte file, but
gaf export gives no indication of any problem.

gaf export should either make an image the best it can (with missing
symbols either as triangles) or return a non-0 value - and not fail
silently.

I've added a filesize check as a workaround, in addition to adding
Peter's suggestions on setting size, margins and dpi (attached).

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