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Scale for line patterns.

Source: R/scale-linetype.r
scale_linetype.Rd

Default line types based on a set supplied by Richard Pearson, University of Manchester. Line types can not be mapped to continuous values.

Usage

scale_linetype(..., na.value = "blank")

scale_linetype_continuous(...)

scale_linetype_discrete(..., na.value = "blank")

Arguments

...

common discrete scale parameters: name, breaks, labels, na.value, limits and guide. See discrete_scale for more details

na.value

The linetype to use for NA values.

Examples

base <- ggplot(economics_long, aes(date, value01))
base + geom_line(aes(group = variable))

base + geom_line(aes(linetype = variable))


# See scale_manual for more flexibility