Re: [Gegl-developer] XML examples?

[Ville Sokk <ville sokk gmail com>]

On Fri, Jan 25, 2013 at 10:30 PM, Torsten Mohr <tmohr s netic de> wrote:
> Hello,
>
> sorry if this is off-topic here, i want to use gegl as command-line with XML
> graphs to process images.
>
> Googling for "gegl xml examples" i only found ONE example, i can't imagine
> that there isn't more available.
>
> Or is there some general description on how to use the gegl operators in XML?
>
> In the attached example (that works fine) it is not clear to me why first the
> blur is mentioned and then the load.  Is there documentation available about
> this?
>
> <?xml version='1.0' encoding='UTF-8'?>
> <gegl>
>        <node operation='gegl:gaussian-blur'>
>                <params>
>                        <param name='std-dev-x'>0.999</param>
>                        <param name='std-dev-y'>0.999</param>
>                </params>
>        </node>
>        <node operation='gegl:load'>
>                <params>
>                        <param name='path'>../haus.png</param>
>                </params>
>        </node>
> </gegl>
>
>
> Thanks for any hints,
> Torsten.

Operations are connected from bottom up. So the image goes from load
to blur. The output of a nested operation is connected to its parent's
aux. There will probably be a new xml format in the future (Bat'O
worked on it but hasn't finished it).