# rescale.owin

From spatstat v1.12-8
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)
```

*Documentation reproduced from package spatstat, version 1.12-8, License: GPL (>= 2)*

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