---
title: "mapViewWillStartRenderingMap(_:)"
framework: mapkit
role: symbol
role_heading: Instance Method
path: "mapkit/mkmapviewdelegate/mapviewwillstartrenderingmap(_:)"
---

# mapViewWillStartRenderingMap(_:)

Tells the delegate that the map view is about to start rendering some of its tiles.

## Declaration

```swift
optional func mapViewWillStartRenderingMap(_ mapView: MKMapView)
```

## Parameters

- `mapView`: The map view that’s about to start rendering.

## Discussion

Discussion The map view calls this method when the map reveals one or more tiles that require rendering.

## See Also

### Loading the map data

- [mapViewWillStartLoadingMap(_:)](mapkit/mkmapviewdelegate/mapviewwillstartloadingmap(_:).md)
- [mapViewDidFinishLoadingMap(_:)](mapkit/mkmapviewdelegate/mapviewdidfinishloadingmap(_:).md)
- [mapViewDidFailLoadingMap(_:withError:)](mapkit/mkmapviewdelegate/mapviewdidfailloadingmap(_:witherror:).md)
- [mapViewDidFinishRenderingMap(_:fullyRendered:)](mapkit/mkmapviewdelegate/mapviewdidfinishrenderingmap(_:fullyrendered:).md)