Alex, xvfb works for our headless
node R graphics and possibly other packages.
I seem to remember writing a wiki entry but a search didn't find it...

I see someone on the dev list found the toolfactory code which does a lot
of sensible things automatically to create a pretty useful html index for a
folder full of pdfs/pngs/xls/....

On Mon, Dec 17, 2012 at 11:14 PM, Bossers, Alex <> wrote:

> Samual,
> We do the same as Peter mentioned.
> We generate pdfs or you could generate a mixed datatype html file linking
> to seperate documents/images (like the fastQC tool).
> If you get the export to png working on a headless server without
> desktop/gui..please let me know. In our hands it only works on full desktop
> linux environments somehow.
> Alex
> -----Oorspronkelijk bericht-----
> Van: [mailto:
>] Namens Samuel Lampa
> Verzonden: zondag 16 december 2012 23:14
> Aan: Peter Cock
> CC:
> Onderwerp: Re: [galaxy-dev] Integrating generated graphics from cli tool?
> On 12/14/2012 07:40 PM, Peter Cock wrote:
> > On Fri, Dec 14, 2012 at 6:18 PM, Samuel Lampa <>
> wrote:
> >
> > There are existing tools which produce a PDF file as a Galaxy output,
> > shown as its own 'green box' in the history. This works quite nicely
> > if the browser shows the PDF in-line, but one one of my machines (not
> > sure which browser off hand) it insists on downloading the PDF and
> > opening it instead - which isn't quite as smooth an interface.
> Thanks for the info!
> Seems like that could be one way of doing it. I would probably output png
> rather than pdf, and that might work better.
> Best
> // Samuel
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