| units | R Documentation |
xinch and yinch convert the specified number of inches
given as their arguments into the correct units for plotting with
graphics functions. Usually, this only makes sense when normal
coordinates are used, i.e., no log scale (see the
log argument to par).
xyinch does the same for a pair of numbers xy,
simultaneously.
xinch(x = 1, warn.log = TRUE) yinch(y = 1, warn.log = TRUE) xyinch(xy = 1, warn.log = TRUE)
x, y |
numeric vector |
xy |
numeric of length 1 or 2. |
warn.log |
logical; if |
all(c(xinch(), yinch()) == xyinch()) # TRUE
xyinch()
xyinch #- to see that is really delta{"usr"} / "pin"
## plot labels offset 0.12 inches to the right
## of plotted symbols in a plot
with(mtcars, {
plot(mpg, disp, pch = 19, main = "Motor Trend Cars")
text(mpg + xinch(0.12), disp, row.names(mtcars),
adj = 0, cex = .7, col = "blue")
})
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