| Layout for graphs with cycles [message #188729] |
Fri, 22 July 2005 14:53  |
Eclipse User |
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Originally posted by: stephan.vern.chem.tu-berlin.de
Hi,
I currently discover that the DirectedGraphLayout class has problems
with graphs, which includes cycles.
java.lang.RuntimeException: Cycle detected in graph
at
org.eclipse.draw2d.internal.graph.InitialRankSolver.solve(In itialRankSolver.java:53)
at
org.eclipse.draw2d.internal.graph.InitialRankSolver.visit(In itialRankSolver.java:34)
at
org.eclipse.draw2d.graph.DirectedGraphLayout.visit(DirectedG raphLayout.java:104)
Is there any way organize graphs with cycles? Does other layouts exists?
Thank you, Stephan Michels.
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| Re: Layout for graphs with cycles [message #188777 is a reply to message #188729] |
Fri, 22 July 2005 16:05  |
| Eclipse User |
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Originally posted by: none.us.ibm.com
Cycles are removed automatically unless they contain self loops. You should
remove all self loops.
If you continue to have problem please provide a test case which builds the
problematic graph.
"Stephan Michels" <stephan@vern.chem.tu-berlin.de> wrote in message
news:899cd5c89dd04435df7a980a36cdc478$1@www.eclipse.org...
> Hi,
> I currently discover that the DirectedGraphLayout class has problems
> with graphs, which includes cycles.
>
> java.lang.RuntimeException: Cycle detected in graph
> at
> org.eclipse.draw2d.internal.graph.InitialRankSolver.solve(In itialRankSolver.java:53)
> at
> org.eclipse.draw2d.internal.graph.InitialRankSolver.visit(In itialRankSolver.java:34)
> at
> org.eclipse.draw2d.graph.DirectedGraphLayout.visit(DirectedG raphLayout.java:104)
>
> Is there any way organize graphs with cycles? Does other layouts exists?
>
> Thank you, Stephan Michels.
>
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| Re: Layout for graphs with cycles [message #188800 is a reply to message #188777] |
Fri, 22 July 2005 16:51 |
| Eclipse User |
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Originally posted by: stephan.vern.chem.tu-berlin.de
Randy Hudson wrote:
> Cycles are removed automatically unless they contain self loops. You should
> remove all self loops.
> If you continue to have problem please provide a test case which builds the
> problematic graph.
Yes, the self loops were indeed the problem. Thank you.
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