mapsf (version 0.11.0)

mf_prop: Plot proportional symbols

Description

Plot proportional symbols.

Usage

mf_prop(
  x,
  var,
  inches = 0.3,
  val_max,
  lwd_max = 20,
  symbol = "circle",
  col = "tomato4",
  border = getOption("mapsf.fg"),
  lwd = 0.7,
  leg_pos = mf_get_leg_pos(x),
  leg_title = var,
  leg_title_cex = 0.8,
  leg_val_cex = 0.6,
  leg_val_rnd = 0,
  leg_frame = FALSE,
  leg_frame_border = getOption("mapsf.fg"),
  leg_horiz = FALSE,
  leg_adj = c(0, 0),
  leg_fg = getOption("mapsf.fg"),
  leg_bg = getOption("mapsf.bg"),
  leg_size = 1,
  add = TRUE
)

Value

x is (invisibly) returned.

Arguments

x

object of class sf

var

name(s) of the variable(s) to plot

inches

size of the biggest symbol (radius for circles, half width for squares) in inches.

val_max

maximum value used for proportional symbols

lwd_max

line width of the largest line

symbol

type of symbols, 'circle' or 'square'

col

color

border

border color

lwd

border width

leg_pos

position of the legend, one of 'topleft', 'top','topright', 'right', 'bottomright', 'bottom', 'bottomleft', 'left' or a vector of two coordinates in map units (c(x, y)). If leg_pos = NA then the legend is not plotted. If leg_pos = 'interactive' click onthe map to choose the legend position.

leg_title

legend title

leg_title_cex

size of the legend title

leg_val_cex

size of the values in the legend

leg_val_rnd

number of decimal places of the values in the legend

leg_frame

whether to add a frame to the legend (TRUE) or not (FALSE)

leg_frame_border

border color of the legend frame

leg_horiz

display the legend horizontally (for proportional symbols and choropleth types)

leg_adj

adjust the postion of the legend in x and y directions

leg_fg

color of the legend foreground

leg_bg

color of the legend backgournd

leg_size

size of the legend; 2 means two times bigger

add

whether to add the layer to an existing plot (TRUE) or not (FALSE)

Examples

mtq <- mf_get_mtq()
mf_map(mtq)
mf_map(mtq, "POP", "prop")

mf_map(mtq)
mf_map(
  x = mtq, var = "POP", type = "prop",
  inches = .4, symbol = "circle", val_max = 90000,
  col = "tomato1", border = "blue", lwd = 1,
  leg_pos = "right", leg_title = "Population",
  leg_title_cex = 1, leg_val_cex = .8, leg_val_rnd = 0,
  leg_frame = TRUE, add = TRUE
)