- col
color of the simple features. See the col argument of tm_polygons, tm_lines and tm_symbols.
- size
size of the dots. See the size argument tm_symbols. By default, the size is similar to dot size (see tm_dots)
- shape
shape of the dots. See the shape argument tm_symbols. By default, dots are shown.
- lwd
width of the lines. See the lwd argument of tm_lines
- lty
type of the lines. See the lty argument of tm_lines
- alpha
transparency number. See alpha argument of tm_polygons, tm_lines and tm_symbols
- palette
palette. See palette argument of tm_polygons, tm_lines and tm_symbols
- border.col
color of the borders. See border.col argument of tm_polygons and tm_symbols.
- border.lwd
line width of the borders. See border.lwd argument of tm_polygons and tm_symbols.
- border.lty
line type of the borders. See border.lwd argument of tm_polygons and tm_symbols.
- border.alpha
transparency of the borders. See border.alpha argument of tm_polygons and tm_symbols.
- group
name of the group to which this layer belongs in view mode. Each group can be selected or deselected in the layer control item. Set group = NULL to hide the layer in the layer control item. By default, it will be set to the name of the shape (specified in tm_shape).
- ...
other arguments passed on to tm_polygons, tm_lines and tm_symbols