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ST_PixelAsCentroid

ST_PixelAsCentroid
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Name

ST_PixelAsCentroid — Returns the centroid (point geometry) of the area represented by a pixel.

Synopsis

geometry ST_PixelAsCentroid ( raster rast , integer x , integer y ) ;

Description

Returns the centroid (point geometry) of the area represented by a pixel.

Enhanced: 3.2.0 Faster now implemented in C.

Availability: 2.1.0

Examples 

SELECT ST_AsText(ST_PixelAsCentroid(rast, 1, 1)) FROM dummy_rast WHERE rid = 1;

  st_astext
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 POINT(1.5 2)