Add "daylight" layout method for unrooted trees.#124

Merged

GuangchuangYu merged 3 commits intoYuLab-SMU:masterfrom JustGitting:master

Apr 10, 2017

+731-76

Commits on Apr 6, 2017

Added layout.method parameter to ggtree.R to modify behaviour of layout method (unrooted).
JustGitting
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gitignore and Rbuildignore have been updated by RStudio. It was not my doing...
JustGitting
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Pull from fork of ggtree.
JustGitting
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