DescTools (version 0.99.18)

Canvas: Canvas for Geometric Plotting

Description

This is just a wrapper for creating an empty plot with suitable defaults for plotting geometric shapes.

Usage

Canvas(xlim = NULL, ylim = xlim, main = NULL, xpd = par("xpd"), mar=c(5.1,5.1,5.1,5.1), asp = 1, bg = par("bg"), usrbg = "white", ...)

Arguments

xlim, ylim
the xlims and ylims for the plot. Default is c(-1, 1).

xpd
expand drawing area, defaults to par("xpd").

main
the main title on top of the plot.

mar
set margins. Defaults to c(5.1,5.1,5.1,5.1).

asp
numeric, giving the aspect ratio y/x. (See plot.window for details. Default is 1.

bg
the background color of the plot, defaults to par("bg"), which usually will be "white".

usrbg
the color of the user space of the plot, defaults to "white".

...
additional arguments are passed to the plot() command.

Value

a list of all the previous values of the parameters changed (returned invisibly)

Details

The plot is created with these settings: asp = 1, xaxt = "n", yaxt = "n", xlab = "", ylab = "", frame.plot = FALSE.

Examples

Run this code
Canvas(7)
text(0, 0, "Hello world!", cex=5)

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