Nico,
I had forgot about fonts. Since we want to be able to put text in our
graphics, that may pretty much require us to have a GUI. For your information,
it appears that xpra/winswitch is an extension of the facilities provided by
xvfb and in some cases makes use of xvfb.
Jonathan
On Mar 19, 2012, at 8:04 AM, Nicolas Vervelle wrote:
> Hi,
>
> You can check also tools like xvfb which can create a virtual display.
>
> Even without the GUI, image generation may require a display for some image
> operations (like fonts, ...), this is a Java limitation.
> I used xvfb in several projects where I needed to create images without
> having a real display.
>
> Nico
>
>
> On Mon, Mar 19, 2012 at 1:55 PM, Gutow, Jonathan H <gu...@uwosh.edu> wrote:
> I dug a little and agree it would be a significant undertaking to make the
> image generation work without the GUI. That said, we might want to put that
> on a long term to-do list.
>
> My solution is to run an Xsession using xpra & winswitch. As long as I
> launch the server process in the xpra Xsession, there is always a graphics
> environment available.
>
> Jonathan
Dr. Jonathan H. Gutow
Chemistry Department gu...@uwosh.edu
UW-Oshkosh Office:920-424-1326
800 Algoma Boulevard FAX:920-424-2042
Oshkosh, WI 54901
http://www.uwosh.edu/facstaff/gutow/
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