style_catalogue(path = "./tmap_style_previews", styles = NA,
include.global.styles = TRUE)
style_catalog(path = "./tmap_style_previews", styles = NA,
include.global.styles = TRUE)tm_style_XXX function names. By default, it contains all styles that are included in tmap, and, if include.global.styles=TRUE, also the user defined tm_style_XXX function names.