ST_SetNoData
Sets the NoData value for a specified band of a raster object.
Syntax
raster ST_SetNoData(raster rast, integer band_sn, double nodata_value);Parameters
| Parameter | Description |
|---|---|
rast | The raster object. |
band_sn | The band number, starting from 0. Set to -1 to apply the NoData value to all bands. |
nodata_value | The NoData value to set for the band. |
Examples
Set the NoData value of band 0 to 999.999:
UPDATE rast SET rast = ST_SetNoData(rast, 0, 999.999);Output:
(1 row)