Add margins to rectangle
Adds a margin to a rectangle.
grow.rectangle(W, xmargin=0, ymargin=xmargin, fraction=NULL)
W |
A window (object of class |
xmargin |
Width of horizontal margin to be added. A single nonnegative number, or a vector of length 2 indicating margins of unequal width at left and right. |
ymargin |
Height of vertical margin to be added. A single nonnegative number, or a vector of length 2 indicating margins of unequal width at bottom and top. |
fraction |
Fraction of width and height to be added.
A number greater than zero, or a numeric vector of length 2 indicating
different fractions of width and of height, respectively.
Incompatible with specifying |
This is a simple convenience function to add a margin of specified width and height on each side of a rectangular window. Unequal margins can also be added.
Another object of class "owin" representing the
window after margins are added.
Adrian Baddeley Adrian.Baddeley@curtin.edu.au, Rolf Turner r.turner@auckland.ac.nz and Ege Rubak rubak@math.aau.dk.
w <- square(10) # add a margin of width 1 on all four sides square12 <- grow.rectangle(w, 1) # add margin of width 3 on the right side # and margin of height 4 on top. v <- grow.rectangle(w, c(0,3), c(0,4)) # grow by 5 percent on all sides grow.rectangle(w, fraction=0.05)
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