# fsMapViewSet2DViewRadiusInMeters This function can be used to set the number of meters around the aircraft to be displayed on the MapView.     ##### Syntax ``` wasm bool fsMapViewSet2DViewRadiusInMeters( FsContext ctx, FsTextureId id, float fRadius ) ```   ##### Members {{< table-wrapper >}} | Parameters | Description | |------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `ctx` | A value of type `FsContext` provided as an argument of the gauge callback. | | `id` | The MapView render ID as returned by the function `fsMapViewCreate`. | | `fRadius` | The radius around the aircraft, in meters, to be viewed in the MapView. Value is clamped between 0 and 5000000. Note that for the weather radar, rain is rendered *at most* out to 250km (250,0000m). | {{< /table-wrapper >}}   ##### Return Values Returns false if: - no texture matches the given MapView ID - the `ctx` is invalid Otherwise it will return true.   ##### Remarks This function is only valid when [fsMapViewSet3D](fsmapviewset3d/) is set to false (ie: 3D is disabled).