mf_legend_c function

Plot a legend for a choropleth map

Deprecated.

This function plots a legend for a choropleth map.

mf_legend_c(
  pos = "topleft",
  val,
  pal,
  title = "Legend Title",
  title_cex = 0.8,
  val_cex = 0.6,
  val_rnd = 2,
  col_na = "white",
  no_data = FALSE,
  no_data_txt = "No Data",
  frame = FALSE,
  border,
  bg,
  fg,
  cex = 1
)

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: break labels
• pal: a set of colors.
• 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.
• col_na: color for missing values
• no_data: if TRUE a "missing value" box is plotted
• no_data_txt: label for missing values
• frame: whether to add a frame to the legend (TRUE) or not (FALSE)
• border: color of the boxes' borders
• bg: background of the legend
• fg: foreground of the legend
• cex: size of the legend; 2 means two times bigger

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_c(val = c(1, 2, 3, 4), pal = c("red1", "red3", "red4"))
## End(Not run)