The gazetteer place names are associated with different feature types (e.g. "Hill", "Mountain", "Water body"). This function lists the feature types that are present in a given data frame.
an_feature_types(gaz)data.frame or SpatialPointsDataFrame: as returned by an_read, an_preferred, or an_filter
character vector of country names
an_filter for filtering data according to feature type
if (FALSE) { # \dontrun{
g <- an_read(cache = "session")
## what feature types do we have in our data?
an_feature_types(g)
} # }