rescue.rectangle
From spatstat v1.25-1
by Adrian Baddeley
Convert Window Back To Rectangle
Determines whether the given window is really a rectangle aligned with the coordinate axes, and if so, converts it to a rectangle object.
Usage
rescue.rectangle(W)
Arguments
- W
- A window (object of class
"owin"
).
Details
This function decides whether the window W
is actually a rectangle
aligned with the coordinate axes. This will be true if
W
is
- a rectangle (window object of type
"rectangle"
); - a polygon (window object of type
"polygonal"
with a single polygonal boundary) that is a rectangle aligned with the coordinate axes; - a binary mask (window object of type
"mask"
) in which all the pixel entries areTRUE
.
"rectangle"
.
If not, the function returns W
.
Value
- Another object of class
"owin"
representing the same window.
See Also
Examples
w <- owin(poly=list(x=c(0,1,1,0),y=c(0,0,1,1)))
rw <- rescue.rectangle(w)
w <- as.mask(unit.square())
rw <- rescue.rectangle(w)
Community examples
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