# incircle

From spatstat v1.42-2
by Adrian Baddeley

##### Find Largest Circle Inside Window

Find the largest circle contained in a given window.

##### Usage

`incircle(W)`inradius(W)

##### Arguments

- W
- A window (object of class
`"owin"`

).

##### Details

Given a window `W`

of any type and shape,
the function `incircle`

determines the largest circle
that is contained inside `W`

, while `inradius`

computes its
radius only.

For non-rectangular windows, the incircle is computed approximately
by finding the maximum of the distance map (see
`distmap`

) of the complement of the window.

##### Value

- The result of
`incircle`

is a list with entries`x,y,r`

giving the location`(x,y)`

and radius`r`

of the incircle.The result of

`inradius`

is the numerical value of radius.

##### See Also

##### Examples

```
W <- square(1)
Wc <- incircle(W)
plot(W)
plot(disc(Wc$r, c(Wc$x, Wc$y)), add=TRUE)
plot(letterR)
Rc <- incircle(letterR)
plot(disc(Rc$r, c(Rc$x, Rc$y)), add=TRUE)
W <- as.mask(letterR)
plot(W)
Rc <- incircle(W)
plot(disc(Rc$r, c(Rc$x, Rc$y)), add=TRUE)
```

*Documentation reproduced from package spatstat, version 1.42-2, License: GPL (>= 2)*

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