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View Labels - crash when trimming all nodes in a displayed tree #534

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GoogleCodeExporter opened this issue Mar 27, 2015 · 3 comments
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@GoogleCodeExporter
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What steps will reproduce the problem?
1.  Trim a tree to match the basedata, but where no branches match so all will 
be deleted

What is the expected output? What do you see instead?
It should display nothing, instead it crashes.  

This is possibly caused by the labels_group not being updated, but a 
work-around is to not centre the tree when the sum of branch lengths is zero.  


Original issue reported on code.google.com by shawnlaffan on 3 Dec 2014 at 4:26

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