Scale for line patterns.

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.

Description

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