Navigation : PostGIS 3.3.6 Manual > rastbandarg rastbandarg rastbandarg Prev 12.1. Raster Support Data types Next Name rastbandarg — A composite type for use when needing to express a raster and a band index of that raster. Description A composite type for use when needing to express a raster and a band index of that raster. rast raster The raster in question/ nband integer 1-based value indicating the band of raster See Also ST_MapAlgebra (callback function version)