This function is a wrapper of tm_lines
and tm_text
aimed to draw isopleths, which can be created with smooth_map
.
tm_iso(col = NA, text = "level", size = 0.5, remove.overlap = TRUE,
along.lines = TRUE, overwrite.lines = TRUE, ...)
line color. See tm_lines
.
text to display. By default, it is the variable named "level"
of the shape that is created with smooth_map
text size (see tm_text
)
see tm_text
see tm_text
see tm_text