rescale.owin
From spatstat v1.25-5
by Adrian Baddeley
Convert Window to Another Unit of Length
Converts a window to another unit of length.
Usage
## S3 method for class 'owin':
rescale(X, s)
Arguments
- X
- Window (object of class
"owin"
). - s
- Conversion factor: the new units are
s
times the old units.
Details
This is a method for the generic function rescale
.
The spatial coordinates in the window X
(and its window) will be re-expressed
in terms of a new unit of length that is s
times the current
unit of length given in X
.
(Thus, the coordinate values are divided by s
,
while the unit value is multiplied by s
).
The result is a window representing the same region of space, but re-expressed in a different unit.
Value
- Another window object (of class
"owin"
) representing the same window, but expressed in the new units.
Note
The result of this operation is equivalent to the original window.
If you want to actually change the coordinates by
a linear transformation, producing a window that is larger or smaller
than the original one, use affine
.
See Also
Examples
data(swedishpines)
W <- swedishpines$window
W
# coordinates are in decimetres (0.1 metre)
# convert to metres
rescale(W, 10)
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