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[protege-owl] twopi, radial layout of large hierarchies

Tania Tudorache tudorache at stanford.edu
Wed Aug 22 12:44:01 PDT 2007


Olivier,

There are several visualization plugins that might help. TGVizTab seems 
to do what you want: http://users.ecs.soton.ac.uk/ha/TGVizTab/TGVizTab.htm

And probably also Jambalaya: 
http://www.thechiselgroup.org/~chisel/projects/jambalaya/jambalaya.html

Cheers,
Tania


schmitt at med.uni-rostock.de wrote:
> Hello,
>
> does anybody know how to visualize a class hierarchy developed with protege
> in a radial layout like twopi allows?
>
> twopi is supported by GraphViz
> (http://www.graphviz.org/Gallery/twopi/twopi2.html).
>
> twopi draws graphs using a radial layout (see G. Wills, Symposium on
> Graph Drawing GD'97, September, 1997). Basically, one node is chosen
> as the center and put at the origin. The remaining nodes are placed on
> a sequence of concentric circles centered about the origin, each a
> fixed radial distance from the previous circle. All nodes distance 1
> from the center are placed on the first circle; all nodes distance 1
> from a node on the first circle are placed on the second circle; and
> so forth.
>
> Or is it possible to build a twopi-Tab within protege?
> Maybe the following list of graph generators as Tabs:
> dot - filter for drawing directed graphs
> neato - filter for drawing undirected graphs
> twopi - filter for radial layouts of graphs
> circo - filter for circular layout of graphs
> fdp - filter for drawing undirected graphs
> http://linux.die.net/man/1/twopi
>
> Thanks for help, Oliver
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