openair (version 2.19.0)

quickText: Automatic text formatting for openair

Description

Workhorse function that automatically applies routine text formatting to common expressions and data names used in openair.

Usage

quickText(text, auto.text = TRUE)

Value

The function returns an expression for graphical evaluation.

Arguments

text

A character vector.

auto.text

A logical option. The default, TRUE, applies quickText to text and returns the result. The alternative, FALSE, returns text unchanged. (A number of openair functions enable/disable quickText using this option.

Author

Karl Ropkins.

Details

quickText is routine formatting lookup table. It screens the supplied character vector text and automatically applies formatting to any recognised character sub-series. The function is used in a number of openair functions and can also be used directly by users to format text components of their own graphs (see below).

Examples

# example 1
## see axis formatting in an openair plot, e.g.:
scatterPlot(mydata, x = "no2", y = "pm10")

# example 2
## using quickText in other plots
plot(mydata$no2, mydata$pm10,
  xlab = quickText("my no2 label"),
  ylab = quickText("pm10 [ ug.m-3 ]")
)