r - How to change label format, distance between main text and plot, and put the number on the each parts? -


i plot pie chart questions on how modify it. code 

library(plotrix) df <- c(29, 29, 36,26) lbls <- c("blue(29)","gold(29)","green(36)","orange(26)") labelco <- c('blue','yellow','springgreen3','darkorange1') pie3d(df, main="yi li's color", labels=lbls, radius=0.5,        col = labelco ,labelrad=1.7,       explode=0.1)

and can pie chart below: pie chart made

is can teach me: how change label format(maybe choose times new roman), distance between main text , plot, , put number on each parts ? thank much. best regards,


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