# fsMapViewSetMapHillShadeStrength<no value>
This function can be used to set the hill shading strength of 2D maps. This does not apply to aerial maps ([`FS_MAP_VIEW_MODE_AERIAL`](../fsmapviewsetviewmode/#remarks)). To disable hill shading, call this function with a strength of 0. By default, the hill shading strength is set to 0.


##### Syntax

``` wasm
bool fsMapViewSetMapHillShadeStrength(
    FsContext ctx,
    FsTextureId id,
    float fStrength
);
```


##### Members

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| 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`](../fsmapviewcreate/). |
| `fStrength` | The hill shading strength, where 0 corresponds to no shading and 1 to nominal shading strength. Must be greater than or equal to 0. |

{{< /table-wrapper >}}


##### Return Values

Returns `false` if:

-   no texture matches the given MapView ID
-   the `ctx` is invalid

Otherwise it will return `true`.


##### Remarks

N/A