ST_PixelAsPoint — Returns a point geometry of the pixel's upper-left corner.
geometry ST_PixelAsPoint(
raster rast, integer columnx, integer rowy)
;
Returns a point geometry of the pixel's upper-left corner.
Availability: 2.1.0
SELECT ST_AsText(ST_PixelAsPoint(rast, 1, 1)) FROM dummy_rast WHERE rid = 1; st_astext ---------------- POINT(0.5 0.5)