# corners

From spatstat v1.21-0
by Adrian Baddeley

##### Corners of a rectangle

Returns the four corners of a rectangle

##### Usage

`corners(window)`

##### Arguments

##### Details

This trivial function is occasionally convenient.
If `window`

is of type `"rectangle"`

this returns the
four corners of the window itself;
otherwise, it returns the corners of the bounding rectangle
of the window.

##### Value

- A list with two components
`x`

and`y`

, which are numeric vectors of length 4 giving the coordinates of the four corner points of the (bounding rectangle of the) window.

##### See Also

##### Examples

```
w <- unit.square()
corners(w)
# returns list(x=c(0,1,0,1),y=c(0,0,1,1))
```

*Documentation reproduced from package spatstat, version 1.21-0, License: GPL (>= 2)*

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