Does this mean that Kosmo implemented there own rendering logic? I think
that is the path that UDig took, and I think it would be a real
pain-in-the-neck to duplicate. Not to mention the fact that using the Java
2D API makes it easier for programmers to tool around with OpenJUMP's
rendering system because they don't have to learn a bunch of custom code. We
should also have an easier time reaping the benefits of improvements to Java
2D in the future.
I think UDig went this approach because they were using SWT, but David can
probably enlighten us on that.
The Sunburned Surveyor
P.S. - Larry noted the great deal of code added to Kosmo. I don't think
there is any doubt these guys are doing a lot of work with OpenJUMP, but we
should remember that quantity doesn't always mean quality. I should have
mentioned this on my previous message.
On 2/27/07, David Zwiers <[EMAIL PROTECTED]> wrote:
Some explanation may have to do with the rendering technology used: Jump
uses Java 2D while Geotools (kosmos / udig) use direct draw (if I recall
correctly).
David
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:
[EMAIL PROTECTED] On Behalf Of Larry Becker
Sent: February 27, 2007 4:18 PM
To: List for discussion of JPP development and use.
Subject: Re: [JPP-Devel] OpenJUMP at FOSSGIS in Berlin
I can't explain it, but I can benchmark it. For the burlulc.shp
redraw render speed benchmark (not counting time to load shape file):
No color theming.
uDig: 3 seconds.
Kosmo: 5 seconds.
gvSIG: 9 seconds.
OpenJump, SkyJUMP: 13 seconds.
with color theming on LUCODE
uDig: 6 seconds.
Kosmo: 8 seconds.
OpenJump, SkyJUMP: 13 seconds.
Kosmo_0.8.3_windows feels more responsive than OpenJump, and even uDig
because of the very quick screen update cycle.
regards,
Larry
On 2/27/07, Stefan Steiniger <[EMAIL PROTECTED]> wrote:
> Hei guys,
>
> > Besides
> > the new data sources, the most exciting potential seems to be in their
> > renderer (which I have not tested yet.)
>
> i actually wondered what is the advance of heaving separate renderers
> for points, lines and polygons???
>
> can somebody explain this?
>
> btw: if we would have a team of 5 developer..? dont know how far we
> could be. Actually i guess on Jump were working only 3 people?
>
> stefan
>
> > The message I would sound at this conference is that the source code
> > finally seems to be available now for anyone with sufficient
> > motivation to pull together a FOSS JUMP-based ArcMap killer.
> >
> > regards,
> > Larry
> >
> > On 2/27/07, Ugo Taddei <[EMAIL PROTECTED]> wrote:
> >> Hello everyone,
> >>
> >> I'll be reporting on OpenJUMP and derivates at the FOSSGIS 2007
Conference next
> >> month in Berlin:
> >>
> >> http://www.fossgis.de/wiki/index.php/Main_Page (German, only sorry
:-(
> >>
> >> I'm taking the freedom to speak in name of this group and I'll be
happy to
> >> include and mention any JUMP/OpenJUMP. So far I have
> >>
> >> JUMP
> >> OpenJUMP
> >> SkyJUMP
> >> The French connection? (Arnaud, R1, Michaël) Have you still got an
official version?
> >> PIROL
> >> deeJUMP
> >>
> >> Have I forgot something?
> >>
> >> Oh, yes, and if any one has anything to say and would like me to,
speak out loud
> >> now, or wait till next year :-)
> >>
> >> Cheers,
> >>
> >> Ugo
> >>
> >> --
> >> l a t / l o n GmbH
> >> Aennchenstrasse 19 53177 Bonn, Germany
> >> phone ++49 +228 184960 fax ++49 +228 1849629
> >> http://www.lat-lon.de http://www.deegree.org
> >>
> >>
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> >
> >
>
>
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