> ## 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_SetValue

Returns a raster by replacing the value of pixel specified by `colX` and `rowY`.

## Signatures

```sql theme={"system"}
RS_SetValue(raster: Raster, bandIndex: Integer = 1, colX: Integer, rowY: Integer, newValue: Double)
```

## Parameters

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

<ParamField body="bandIndex" type="Integer" required default="1">
  The band index value.
</ParamField>

<ParamField body="colX" type="Integer" required>
  The col x value.
</ParamField>

<ParamField body="rowY" type="Integer" required>
  The row y value.
</ParamField>

<ParamField body="newValue" type="Double" required>
  The new pixel value to set.
</ParamField>

## Return type

<ResponseField type="Raster">
  The resulting raster.
</ResponseField>

## Example

```sql theme={"system"}
SELECT RS_BandAsArray(
               RS_SetValue(
                       RS_AddBandFromArray(
                               RS_MakeEmptyRaster(1, 5, 5, 0, 0, 1, -1, 0, 0, 0),
                           [1,1,1,0,0,0,1,2,3,3,5,6,7,0,0,3,0,0,3,0,0,0,0,0,0], 1, 0d
                           ),
                       1, 2, 2, 255
                   )
           )
```

```
[1.0, 1.0, 1.0, 0.0, 0.0, 0.0, 255.0, 2.0, 3.0, 3.0, 5.0, 6.0, 7.0, 0.0, 0.0, 3.0, 0.0, 0.0, 3.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
```