How to rotate/flip/swap the two branches (subtrees) that come from one node.

[Àlbert Rafels]

As fas as I know, in a phylogenetic tree, you can swap the branches (all the subtree for each branch) from the same node without affecting the topology of it. Thus is just a matter of customizing the aspect of the tree, but I didn't find any option for that.

Can anyone help me?

Thanks

[Jaime Huerta Cepas]

Hi Albert, 

you can use node.swap_children() to swap specific branches. 

To re-order all branches in a tree, you can also use tree.ladderize() and tree.sort_descendants()

cheers, 

-jaime

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[Àlbert Rafels]

Sincerely thanks jaime, 'tree.ladderize()' is exactly what I was looking for. 

El miércoles, 21 de diciembre de 2016, 15:56:16 (UTC+1), Jaime escribió:

Hi Albert, 

you can use node.swap_children() to swap specific branches. 

To re-order all branches in a tree, you can also use tree.ladderize() and tree.sort_descendants()

cheers, 

-jaime

On 21 December 2016 at 10:18, Àlbert Rafels <araf...@gmail.com> wrote:

As fas as I know, in a phylogenetic tree, you can swap the branches (all the subtree for each branch) from the same node without affecting the topology of it. Thus is just a matter of customizing the aspect of the tree, but I didn't find any option for that.

Can anyone help me?

Thanks

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