---
title: "init(mapRect:)"
framework: mapkit
role: symbol
role_heading: Initializer
path: "mapkit/mapcircle/init(maprect:)"
---

# init(mapRect:)

Creates the largest possible circle centered within the given map rectangle.

## Declaration

```swift
init(mapRect: MKMapRect)
```

## Parameters

- `mapRect`: The rectangle to center the circle within.

## See Also

### Creating a map circle

- [init(_:)](mapkit/mapcircle/init(_:).md)
- [init(center:radius:)](mapkit/mapcircle/init(center:radius:).md)