@@ -1,5 +1,7 @@

 CHANGES IN VERSION 1.5.2

 ------------------------

+ o more accurate ylim & angle for circular layout <2016-05-10, Tue>

+   + https://github.com/GuangchuangYu/ggtree/issues/40

  o supports phylo4d object <2016-05-10, Tue>

    + https://github.com/GuangchuangYu/ggtree/issues/47

@@ -92,7 +92,7 @@ ggtree <- function(tr,

         p <- p + coord_polar(theta = "y")

         ## refer to: https://github.com/GuangchuangYu/ggtree/issues/6

         ## and also have some space for tree scale (legend)

-        p <- p + scale_y_continuous(limits=c(0, max(p$data$y)))

+        p <- p + scale_y_continuous(limits=c(0, max(p$data$y)+1))

     } 

     return(p)

@@ -584,7 +584,7 @@ as.data.frame.phylo_ <- function(x, layout="rectangular",

     ## angle for all layout, if 'rectangular', user use coord_polar, can still use angle

     ## if (layout == "circular") {

     idx <- match(1:N, order(res$y))

-    angle <- -360/(1+N) * (1:N+1)

+    angle <- -360/(3+N) * (1:N+1)

     angle <- angle[idx]

     res$angle <- angle + 90

     ## }