説明

ラスタの中身の概要が文字列で返されます。

Availability: 2.1.0

例

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)
                                

関連情報

ST_MetaData, ST_BandMetaData, ST_Summary ST_Extent