Comment 2 for bug 523912
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| Mathieu Bastian (mathieu.bastian) wrote Re: YfanHu's Multivel replace the node id, label and weight of some nodes by "null" | #2 |
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The bug is real but it's not exactly well described.
What YifanHU multilevel algorithm does is that it groups nodes in clusters to fasten layouting. As a result new meta-nodes are created during the process. These meta-nodes don't have any attributes and have default size 1 (tiny). When the algorithm finish it ungroups these meta-nodes and therefore meta-nodes are deleted.
With you dataset it appears that Yifan-Hu Multilevel doesn't finish well and leave meta-nodes. You can see that they remains by clicking on "Hierarchy". Instead of a unique Level, you have two levels.
I'll rename the bug accordingly.