Graphviz DOT arrange Nodes in circles, layout too "compact"

Posted by Ivo Wetzel on Stack Overflow See other posts from Stack Overflow or by Ivo Wetzel
Published on 2010-04-16T00:00:30Z Indexed on 2010/04/16 0:43 UTC
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layout

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I'm halfway there please see the edit

OK here's my problem, I'm generating a graph of a python module, including all the files with their functions/methods/classes.

I want to arrange it so, that nodes gather in circles around their parent nodes, currently everything is on one gargantuan horizontal row, which makes the thing >50k pixels wide and also let's the svg converter fail(only renders about the half of the graph).

I went trough the docs(http://www.graphviz.org/doc/info/attrs.html) but couldn't find anything that seems to do the trick.

So the question is:
Is there a simple way to do this or do I have to layout the whole thing by myself? :/

EDIT:
Thanks to Andrews comment I've got the right layout, the only problem now is that it's a bit to "compact"... so the question now is, how to fix this?

Test

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