Standards

Pixel is Area

Convention defining pixel anchoring at the cell upper left corner.

Official documentation : https://docs.ogc.org/is/19-008r4/19-008r4.html#_pixelisarea_raster_space

Pixel is Point

Convention defining pixel anchoring at the cell center rather than the corner.

Official documentation : https://docs.ogc.org/is/19-008r4/19-008r4.html#_pixelispoint_raster_space