ST_SetUpperLeft — 将栅格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(
)
将栅格像素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