ST_Summary — Returns a text summary of the contents of the raster.
text ST_Summary(
raster rast)
;
SELECT ST_Summary( ST_AddBand( ST_AddBand( ST_AddBand( ST_MakeEmptyRaster(10, 10, 0, 0, 1, -1, 0, 0, 0) , 1, '8BUI', 1, 0 ) , 2, '32BF', 0, -9999 ) , 3, '16BSI', 0, NULL ) ); st_summary ------------------------------------------------------------------ Raster of 10x10 pixels has 3 bands and extent of BOX(0 -10,10 0)+ band 1 of pixtype 8BUI is in-db with NODATA value of 0 + band 2 of pixtype 32BF is in-db with NODATA value of -9999 + band 3 of pixtype 16BSI is in-db with no NODATA value (1 row)