RS_BandIsNoData

Returns true if the band is filled with only nodata values. Band 1 is assumed if not specified.

Format: RS_BandIsNoData(raster: Raster, band: Integer = 1)

Return type: Boolean

Since: v1.5.0

SQL Example

WITH rast_table AS (SELECT RS_AddBandFromArray(RS_MakeEmptyRaster(1, 2, 2, 0, 0, 1), ARRAY(10d, 10d, 10d, 10d), 1, 10d) as rast)
SELECT RS_BandIsNoData(rast) from rast_table

Output:

true