Purtroppo la scelta non e' facile, dipende da dove prevedi di usarlo.
come contributo ti riporto questo trafiletto tratto dal doc.
ISO19128 (WMS).
NOTE The use of geographic CRSs with axis order of longitude before latitude differs from historical convention.
Users in the international aviation and marine sectors may expect latitude to be before longitude, and a different
coordinate display may have safety implications, especially in an emergency response situation. Although this
International Standard does not specify human user interfaces, developers of user interfaces for WMSs are cautioned that
all references to latitude and longitude, for example user input of bounding box or readout of cursor coordinates, should
show latitude before longitude.
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