ST_PixelAsCentroid — Returns the centroid (point geometry) of the area represented by a pixel.
geometry ST_PixelAsCentroid(raster rast, integer x, integer y);
Returns the centroid (point geometry) of the area represented by a pixel.
Enhanced: 3.2.0 Faster now implemented in C.
Disponibilità: 2.1.0
SELECT ST_AsText(ST_PixelAsCentroid(rast, 1, 1)) FROM dummy_rast WHERE rid = 1;
st_astext
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POINT(1.5 2)