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Message #00750
[Bug 654030] Re: NullPointerException on importing CSV data in Data Laboratory
Thanks again for this, Mathieu - really appreciate the fast response.
Just following up again on the parallel edges question: what I'm
wondering is whether there's a way to get Gephi to accept edges which
appear only in specific time slices when importing CSVs of edges.
For example, say I want an edge to exist only during 2001-2003 and
2005-2007 - which could be expressed like this:
source,target,Time Interval
a,b,<[2001,2003]>
a,b,<[2005,2007]>
At the moment, importing this CSV into Gephi ignores the second line
(it's regarded as a parallel edge).
Does Gephi do slices at all at the moment, and if so, how do you express
them in the internal time interval notation ?
Axel
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NullPointerException on importing CSV data in Data Laboratory
https://bugs.launchpad.net/bugs/654030
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Team, which is subscribed to 0.7.
Status in Gephi - Network exploration and manipulation: Fix Committed
Status in Gephi 0.7 series: Fix Committed
Bug description:
Graph API throws NPE because source or target is null
Stack trace:
java.lang.NullPointerException
at org.gephi.graph.dhns.core.GraphFactoryImpl.newEdge(GraphFactoryImpl.java:128)
at org.gephi.graph.dhns.core.GraphFactoryImpl.newEdge(GraphFactoryImpl.java:123)
at org.gephi.graph.dhns.core.GraphFactoryImpl.newEdge(GraphFactoryImpl.java:47)
at org.gephi.datalab.impl.GraphElementsControllerImpl.buildEdge(GraphElementsControllerImpl.java:431)
at org.gephi.datalab.impl.GraphElementsControllerImpl.createEdge(GraphElementsControllerImpl.java:89)
at org.gephi.datalab.impl.AttributeColumnsControllerImpl.importCSVToEdgesTable(AttributeColumnsControllerImpl.java:597)
at org.gephi.datalab.plugin.manipulators.general.ui.ImportCSVUIWizardAction.performAction(ImportCSVUIWizardAction.java:85)
at org.gephi.datalab.plugin.manipulators.general.ImportCSV.execute(ImportCSV.java:40)
References