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From: unkwb on 8 Jul 2008 05:39
Hi group,

We are looking for a graph and layout library (in Java). Some
constraints:

- There must be no runtime royalties, but we are willing to pay for
the IDE / development libraries. But there must be no fees to
distribute the written programs, which are part of a bigger solution
and will be part of commercial solution.
- The graph shall be displayed as WebStart application or applet.
- We need different layout algorithms. The nodes shall be rendered in
different ways.
- Speed is the key. The rendering must be fast for graphs with 1000+
nodes.
- GPL is not possible, since it will be part of a commercial solution.
- Access to the data will be handled via XML or WebServices.
- The framework shall have a good look and feel, and nice layout.

Has somebody succesfully implemeted something similar and kindly give
us a hint which framework might be a good solution.

Regards Horst


Reference: JavaGraphToolxx
From: Arne Vajhøj on 8 Jul 2008 17:43
unkwb(a)web.de wrote:
> We are looking for a graph and layout library (in Java). Some
> constraints:
>
> - There must be no runtime royalties, but we are willing to pay for
> the IDE / development libraries. But there must be no fees to
> distribute the written programs, which are part of a bigger solution
> and will be part of commercial solution.
> - The graph shall be displayed as WebStart application or applet.
> - We need different layout algorithms. The nodes shall be rendered in
> different ways.
> - Speed is the key. The rendering must be fast for graphs with 1000+
> nodes.
> - GPL is not possible, since it will be part of a commercial solution.
> - Access to the data will be handled via XML or WebServices.
> - The framework shall have a good look and feel, and nice layout.
>
> Has somebody succesfully implemeted something similar and kindly give
> us a hint which framework might be a good solution.

You should absolutely consider JFreeChart for the graphics library.

Arne
From: unkwb on 16 Jul 2008 04:03
Thanks for the feedback, JFreeChart is an excellent framework, but it
does not support graph layout but only charts.
Regards HW



On Jul 8, 11:43 pm, Arne Vajhøj <a...(a)vajhoej.dk> wrote:
> un...(a)web.de wrote:
> > We are looking for a graph and layout library (in Java). Some
> > constraints:
>
> > - There must be no runtime royalties, but we are willing to pay for
> > the IDE / development libraries. But there must be no fees to
> > distribute the written programs, which are part of a bigger solution
> > and will be part of commercial solution.
> > - The graph shall be displayed as WebStart application or applet.
> > - We need different layout algorithms. The nodes shall be rendered in
> > different ways.
> > - Speed is the key. The rendering must be fast for graphs with 1000+
> > nodes.
> > - GPL is not possible, since it will be part of a commercial solution.
> > - Access to the data will be handled via XML or WebServices.
> > - The framework shall have a good look and feel, and nice layout.
>
> > Has somebody succesfully implemeted something similar and kindly give
> > us a hint which framework might be a good solution.
>
> You should absolutely consider JFreeChart for the graphics library.
>
> Arne

From: Larry A Barowski on 16 Jul 2008 09:09

<unkwb(a)web.de> wrote in message
news:efd80553-5779-47bd-8ba3-62689db8207d(a)x41g2000hsb.googlegroups.com...
> Hi group,
>
> We are looking for a graph and layout library (in Java). Some
> constraints:
> ...
> - We need different layout algorithms. The nodes shall be rendered in
> different ways.

What kinds of layouts do you need?
Do you need algorithmic edge routing?


From: Arne Vajhøj on 16 Jul 2008 20:12
unkwb(a)web.de wrote:
> On Jul 8, 11:43 pm, Arne Vajh�j <a...(a)vajhoej.dk> wrote:
>> un...(a)web.de wrote:
>>> We are looking for a graph and layout library (in Java). Some
>>> constraints:
>>> - There must be no runtime royalties, but we are willing to pay for
>>> the IDE / development libraries. But there must be no fees to
>>> distribute the written programs, which are part of a bigger solution
>>> and will be part of commercial solution.
>>> - The graph shall be displayed as WebStart application or applet.
>>> - We need different layout algorithms. The nodes shall be rendered in
>>> different ways.
>>> - Speed is the key. The rendering must be fast for graphs with 1000+
>>> nodes.
>>> - GPL is not possible, since it will be part of a commercial solution.
>>> - Access to the data will be handled via XML or WebServices.
>>> - The framework shall have a good look and feel, and nice layout.
>>> Has somebody succesfully implemeted something similar and kindly give
>>> us a hint which framework might be a good solution.
>> You should absolutely consider JFreeChart for the graphics library.
> Thanks for the feedback, JFreeChart is an excellent framework, but it
> does not support graph layout but only charts.

What do you mean by graph layout ? In my experience you can
customize the look of graphs in JFreeChart a lot.

Arne
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