On 9/04/2015 4:49 PM, Andrew Errington wrote:
There is no regional default if the units are not specified.

Not the default unit, but the default speed limit.  Reference....

http://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Maxspeed





--
Andrew


On 9 April 2015 at 15:42, Warin <[email protected] <mailto:[email protected]>> wrote:

    Sorry .. I have not made that clear ..

    The default speed limit for motorways on OSM  in, say, Australia
    would be taking regionally, while that for USA would be different
    and taken for that region?

    See http://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Maxspeed ?


    On 9/04/2015 4:16 PM, Lukas Sommer wrote:

            b) values would interpreted by region. Most of the world
            would be Celsius, USA would be Fahrenheit. (Similar to
            defaults for speed on roads.)

        Please note that speed limits are _not_ interpreted by regions.
        http://wiki.openstreetmap.org/wiki/Key:maxspeed states that
        the unit
        has to be added explicitly when it’s not km/h – independent of the
        region where you are mapping.

        Region-dependent interpretation of units is IMHO a quite bad idea.

        2015-04-09 5:41 GMT, Bryce Nesbitt <[email protected]
        <mailto:[email protected]>>:

            How it's entered into the database, and how it's
            displayed, are two
            separate things.  Humans are messy.  Unless the API starts
            validating
            entries, entries will vary in format, even if we
            officially say that "46 C"
            is the official format.  But software can parse and
            normalize numbers.

            That said: temperature=___ is a problematic tag regardless
            of the
            formatting of the data.




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