as.owin
From spatstat v1.3-2
by Adrian Baddeley
Convert Data To Class owin
Converts data specifying an observation window
in any of several formats, into an object of class "owin"
.
- Keywords
- spatial
Usage
as.owin(W)
Arguments
- W
- Data specifying an observation window, in any of several formats described under Details below.
Details
The class "owin"
is a way of specifying the observation window
for a point pattern. See owin.object
for an overview.
This function converts data in any of several formats
into an object of class "owin"
for use by the spatstat
package. The argument W
may be
- an object of class
"owin"
- a structure with entries
xrange
,yrange
specifying the$x$and$y$dimensions of a rectangle - a four-element vector
(interpreted as
(xmin, xmax, ymin, ymax)
) specifying the$x$and$y$dimensions of a rectangle - a structure with entries
xl
,xu
,yl
,yu
specifying the$x$and$y$dimensions of a rectangle as(xmin, xmax) = (xl, xu)
and(ymin, ymax) = (yl, yu)
. This will accept objects of classspp
used in the Venables and Ripleyspatial
library. - an object of class
ppp
(in which case the object'swindow
structure will be extracted).
Value
- An object of class
"owin"
(seeowin.object
) specifying an observation window.
See Also
Examples
library(spatstat)
w <- as.owin(c(0,1,0,1))
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