MASSExtra (version 1.2.2)

usr2in: Conversion functions for plotting

Description

Convert user coordinates to inch-based cordinates for the open display, and back again

Usage

usr2in(x, ...)
# S4 method for numeric
usr2in(
  x,
  y,
  usr = par("usr"),
  pin = par("pin"),
  xlog = par("xlog"),
  ylog = par("ylog"),
  ...
)
# S4 method for xy
usr2in(x, ...)
in2usr(x, ...)
# S4 method for numeric
in2usr(
  x,
  y,
  usr = par("usr"),
  pin = par("pin"),
  xlog = par("xlog"),
  ylog = par("ylog"),
  ...
)
# S4 method for xy
in2usr(x, ...)

Value

a complex vector of converted coordinates

Arguments

x, y

any of the forms that the coordinates of a scatterplot may be specified

...

additional arguments for methods

usr, pin

graphics parameters par("usr"), par("pin") (or replacements)

xlog, ylog

logicals: are the x- and/or y-scales logarithmic?