Create icon(s) to be used to represent points on a map feature layer pchIcons is used within TADA_addPoints

Uses the different plotting symbols available in R to create PNG files that can be used as markers on a map feature layer.

Usage

pchIcons(
  pch = 1,
  width = 30,
  height = 30,
  bg = "transparent",
  col = "black",
  lwd = NULL
)

Arguments

pch

Plot character code; either a single number or a vector of multiple numbers. Possible values available at http://www.sthda.com/english/wiki/r-plot-pch-symbols-the-different-point-shapes-available-in-r. Defaults to 1 (an open circle).

width

Width of the plot character. Defaults to 30 pixels.

height

Height of the plot character. Defaults to 30 pixels.

bg

Background color of the plot character Defaults to transparent.

col

Color(s) of the plot character(s). Defaults to black.

lwd

Line width. Optional, defaults to NULL.

Value

Path(s) to PNG file(s) in a temp folder on user's computer.

Examples

if (FALSE) {
# Create three PNG files, a red circle, blue triangle, and yellow "X", each on a green background.
pchIcons(c(1, 2, 4), 40, 40, "green", c("red", "blue", "yellow"))
}