getMapping {ggiraphExtra}

extract variable name from mapping, aes

Description

extract variable name from mapping, aes

Usage

getMapping(mapping, varname)

Arguments

mapping

aesthetic mapping

varname

variable name to extract

Value

variable name in character

Examples

require(ggplot2)
mapping=aes(colour=sex)
mapping=aes(x=c(Sepal.Length,Sepal.Width,Petal.Length,Petal.Width))
getMapping(mapping,"colour")
getMapping(mapping,"x")