mf_legend_p function

Plot a legend for a proportional symbols map

Deprecated.

This function plots a legend for proportional symbols.

mf_legend_p(
  pos = "left",
  val,
  col = "tomato4",
  inches,
  symbol = "circle",
  border,
  lwd = 0.7,
  title = "Legend Title",
  title_cex = 0.8,
  val_cex = 0.6,
  val_rnd = 0,
  frame = FALSE,
  bg,
  fg,
  cex = 1,
  self_adjust = FALSE
)

Arguments

• pos: position of the legend, one of "topleft", "top", "topright", "right", "bottomright", "bottom", "bottomleft", "left", "interactive" or a vector of two coordinates in map units (c(x, y)).
• val: vector of values (at least min and max).
• col: color of the symbols
• inches: size of the biggest symbol (radius for circles, half width for squares) in inches
• symbol: type of symbols, 'circle' or 'square'
• border: color of the symbols borders
• lwd: width of the symbols borders
• title: title of the legend
• title_cex: size of the legend title
• val_cex: size of the values in the legend
• val_rnd: number of decimal places of the values in the legend.
• frame: whether to add a frame to the legend (TRUE) or not (FALSE)
• bg: background of the legend
• fg: foreground of the legend
• cex: size of the legend; 2 means two times bigger
• self_adjust: if TRUE values are self-adjusted to keep min, max and intermediate rounded values

Returns

No return value, a legend is displayed.

Examples

## Not run:

plot.new()
plot.window(xlim = c(0, 1), ylim = c(0, 1), asp = 1)
mf_legend_p(val = c(1, 20, 100), col = "red", inches = .3)
## End(Not run)