@@ -14,15 +14,13 @@

 ##' @author Yu Guangchuang

 geom_tree <- function(mapping=NULL, data=NULL, layout="rectangular", multiPhylo=FALSE, ...) {

     stat_tree(data=data, mapping=mapping, geom="segment",

-              layout=layout, multiPhylo=multiPhylo, lineend="round",

-              position='identity', show.legend=NA,

-              inherit.aes=TRUE, na.rm=TRUE, ...)

+              layout=layout, multiPhylo=multiPhylo, ...)

 }

 stat_tree <- function(mapping=NULL, data=NULL, geom="segment", position="identity",

                       layout="rectangular", multiPhylo=FALSE, lineend="round", ...,

-                      show.legend=NA, inherit.aes=TRUE, na.rm=FALSE) {

+                      show.legend=NA, inherit.aes=TRUE, na.rm=TRUE, check.param=TRUE) {

     default_aes <- aes_(x=~x, y=~y,node=~node, parent=~parent)

     if (multiPhylo) {

@@ -4,7 +4,7 @@ ggtree: an R package for visualization and annotation of phylogenetic trees with

 [![releaseVersion](https://img.shields.io/badge/release%20version-1.6.4-green.svg?style=flat)](https://bioconductor.org/packages/ggtree) [![develVersion](https://img.shields.io/badge/devel%20version-1.7.4-green.svg?style=flat)](https://github.com/GuangchuangYu/ggtree) [![Bioc](http://www.bioconductor.org/shields/years-in-bioc/ggtree.svg)](https://www.bioconductor.org/packages/devel/bioc/html/ggtree.html#since) [![total](https://img.shields.io/badge/downloads-16878/total-blue.svg?style=flat)](https://bioconductor.org/packages/stats/bioc/ggtree) [![month](https://img.shields.io/badge/downloads-1621/month-blue.svg?style=flat)](https://bioconductor.org/packages/stats/bioc/ggtree) <img src="logo.png" align="right" />

-[![Project Status: Active - The project has reached a stable, usable state and is being actively developed.](http://www.repostatus.org/badges/latest/active.svg)](http://www.repostatus.org/#active) [![codecov](https://codecov.io/gh/GuangchuangYu/ggtree/branch/master/graph/badge.svg)](https://codecov.io/gh/GuangchuangYu/ggtree) [![Last-changedate](https://img.shields.io/badge/last%20change-2016--11--28-green.svg)](https://github.com/GuangchuangYu/ggtree/commits/master) [![GitHub forks](https://img.shields.io/github/forks/GuangchuangYu/ggtree.svg)](https://github.com/GuangchuangYu/ggtree/network) [![GitHub stars](https://img.shields.io/github/stars/GuangchuangYu/ggtree.svg)](https://github.com/GuangchuangYu/ggtree/stargazers) [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://awesome-r.com/#awesome-r-graphic-displays)

+[![Project Status: Active - The project has reached a stable, usable state and is being actively developed.](http://www.repostatus.org/badges/latest/active.svg)](http://www.repostatus.org/#active) [![codecov](https://codecov.io/gh/GuangchuangYu/ggtree/branch/master/graph/badge.svg)](https://codecov.io/gh/GuangchuangYu/ggtree) [![Last-changedate](https://img.shields.io/badge/last%20change-2016--11--30-green.svg)](https://github.com/GuangchuangYu/ggtree/commits/master) [![GitHub forks](https://img.shields.io/github/forks/GuangchuangYu/ggtree.svg)](https://github.com/GuangchuangYu/ggtree/network) [![GitHub stars](https://img.shields.io/github/stars/GuangchuangYu/ggtree.svg)](https://github.com/GuangchuangYu/ggtree/stargazers) [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://awesome-r.com/#awesome-r-graphic-displays)

 [![platform](http://www.bioconductor.org/shields/availability/devel/ggtree.svg)](https://www.bioconductor.org/packages/devel/bioc/html/ggtree.html#archives) [![Build Status](http://www.bioconductor.org/shields/build/devel/bioc/ggtree.svg)](https://bioconductor.org/checkResults/devel/bioc-LATEST/ggtree/) [![Linux/Mac Travis Build Status](https://img.shields.io/travis/GuangchuangYu/ggtree/master.svg?label=Mac%20OSX%20%26%20Linux)](https://travis-ci.org/GuangchuangYu/ggtree) [![AppVeyor Build Status](https://img.shields.io/appveyor/ci/Guangchuangyu/ggtree/master.svg?label=Windows)](https://ci.appveyor.com/project/GuangchuangYu/ggtree) [![install with bioconda](https://img.shields.io/badge/install%20with-bioconda-green.svg?style=flat)](http://bioconda.github.io/recipes/bioconductor-ggtree/README.html)

@@ -18,7 +18,7 @@ Please cite the following article when using `ggtree`:

 **G Yu**, DK Smith, H Zhu, Y Guan, TTY Lam<sup>\*</sup>. ggtree: an R package for visualization and annotation of phylogenetic trees with their covariates and other associated data. ***Methods in Ecology and Evolution***. *accepted*

-[![doi](https://img.shields.io/badge/doi-10.1111/2041--210X.12628-green.svg?style=flat)](http://dx.doi.org/10.1111/2041-210X.12628) [![citation](https://img.shields.io/badge/cited%20by-1-green.svg?style=flat)](https://scholar.google.com.hk/scholar?oi=bibs&hl=en&cites=7268358477862164627) [![Altmetric](https://img.shields.io/badge/Altmetric-272-green.svg?style=flat)](https://www.altmetric.com/details/10533079)

+[![doi](https://img.shields.io/badge/doi-10.1111/2041--210X.12628-green.svg?style=flat)](http://dx.doi.org/10.1111/2041-210X.12628) [![citation](https://img.shields.io/badge/cited%20by-1-green.svg?style=flat)](https://scholar.google.com.hk/scholar?oi=bibs&hl=en&cites=7268358477862164627) [![Altmetric](https://img.shields.io/badge/Altmetric-274-green.svg?style=flat)](https://www.altmetric.com/details/10533079)

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