Pack Legends

packLegend(..., gap = unit(2, "mm"), row_gap = unit(2, "mm"), column_gap = unit(2, "mm"),
    direction = c("vertical", "horizontal"),
    max_width = NULL, max_height = NULL, list = NULL)

Arguments

...

A list of objects returned by Legend.

gap

Gap between two neighbouring legends. The value is a unit object with length of one. It is the same as row_gap if the direction if vertial and the same as column_gap if the direction is horizontal.

row_gap

Horizontal gaps between legends.

column_gap

Vertical gaps between legends.

direction

The direction to arrange legends.

max_width

The maximal width of the total packed legends. It only works for horizontal arrangement. If the total width of the legends exceeds it, the legends will be arranged into multiple rows.

max_height

Similar as max_width, but for the vertical arrangment of legends.

list

The list of legends can be specified as a list.

Value

A Legends-class object.

See also

Examples

require(circlize) col_fun = colorRamp2(c(0, 0.5, 1), c("blue", "white", "red")) lgd1 = Legend(at = 1:6, legend_gp = gpar(fill = 1:6), title = "legend1") lgd2 = Legend(col_fun = col_fun, title = "legend2", at = c(0, 0.25, 0.5, 0.75, 1)) pd = packLegend(lgd1, lgd2) draw(pd, test = "two legends")
pd = packLegend(lgd1, lgd2, direction = "horizontal") draw(pd, test = "two legends packed horizontally")