scale_linetype {ggplot2} | R Documentation |
Default line types based on a set supplied by Richard Pearson, University of Manchester. Continuous values can not be mapped to line types.
scale_linetype(..., na.value = "blank") scale_linetype_continuous(...) scale_linetype_discrete(..., na.value = "blank")
... |
common discrete scale parameters: |
na.value |
The linetype to use for |
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 # Common line types ---------------------------- df_lines <- data.frame( linetype = factor( 1:4, labels = c("solid", "longdash", "dashed", "dotted") ) ) ggplot(df_lines) + geom_hline(aes(linetype = linetype, yintercept = 0), size = 2) + scale_linetype_identity() + facet_grid(linetype ~ .) + theme_void(20)