> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wherobots.com/llms.txt
> Use this file to discover all available pages before exploring further.

# RS_Rotation

Returns the uniform rotation of the raster in radian.

<img src="https://mintcdn.com/wherobots/AayJA2u8CknIeTgt/images/sql-functions/RS_Rotation/RS_Rotation.svg?fit=max&auto=format&n=AayJA2u8CknIeTgt&q=85&s=7acc6382a9bac720d6c7017c13475995" alt="RS_Rotation" width="620" height="380" data-path="images/sql-functions/RS_Rotation/RS_Rotation.svg" />

## Signatures

```sql theme={"system"}
RS_Rotation(raster: Raster)
```

## Parameters

<ParamField body="raster" type="Raster" required>
  The input raster.
</ParamField>

## Return type

<ResponseField type="Double">
  A numeric value.
</ResponseField>

## Example

```sql theme={"system"}
SELECT RS_Rotation(
        RS_MakeEmptyRaster(2, 10, 15, 1, 2, 1, -2, 1, 2, 0)
        )
```

```
-1.1071487177940904
```