ST_SetUpperLeft — 将栅格像素左上角的值设置为投影的X和Y坐标。
raster ST_SetUpperLeft ( raster rast , double precision x , double precision y ) ;
raster ST_SetUpperLeft (
)
将栅格左上角的值设置为投影的X和Y坐标
SELECT ST_SetUpperLeft(rast,-71.01,42.37) FROM dummy_rast WHERE rid = 2;
ST_UpperLeftX , ST_UpperLeftY