ST_RastFromHexWKB — 从知名二进制(Wkb)栅格的祸不单行表示中返回栅格值。
raster
ST_RastFromHexWKB
(
text
wkb
)
;
SELECT (ST_Metadata(
ST_RastFromHexWKB(
'010000000000000000000000400000000000000840000000000000E03F000000000000E03F000000000000000000000000000000000A0000000A001400'
)
)).* AS metadata;
upperleftx | upperlefty | width | height | scalex | scaley | skewx | skewy | srid | numbands
------------+------------+-------+--------+--------+--------+-------+-------+------+----------
0.5 | 0.5 | 10 | 20 | 2 | 3 | 0 | 0 | 10 | 0