as.rectangle | R Documentation |
Extract the window frame of a window or other spatial dataset
as.rectangle(w, ...)
w |
A window, or a dataset that has a window.
Either a window (object of class |
... |
Optional. Auxiliary data to help determine the window. If
|
This function is the quickest way to determine a bounding rectangle for a spatial dataset.
If w
is a window, the function
just extracts the outer bounding rectangle
of w
as given by its elements xrange,yrange
.
The function can also be applied to any spatial dataset that has a window:
for example, a point pattern (object of class "ppp"
) or
a line segment pattern (object of class "psp"
).
The bounding rectangle of the window of the dataset is extracted.
Use the function boundingbox
to compute the smallest
bounding rectangle of a dataset.
A window (object of class "owin"
)
of type "rectangle"
representing a rectangle.
and \rolf
owin
,
as.owin
,
boundingbox
w <- owin(c(0,10),c(0,10), poly=list(x=c(1,2,3,2,1), y=c(2,3,4,6,7)))
r <- as.rectangle(w)
# returns a 10 x 10 rectangle
as.rectangle(lansing)
as.rectangle(copper$SouthLines)
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