[Talk-GB] highway=trunk Roads and Cycle Navigation
ianmspencer at gmail.com
ianmspencer at gmail.com
Mon Jul 28 11:16:32 UTC 2014
David,
I’ve acknowledged this elsewhere and understand the problem better. I only had the perspective from having been hit by this problem from several sources over a number of years. I now realise it is a more general problem and am better armed to help point the producers in the right direction.
However, I am a little disappointed that you seem to conceive of a world where there are the lovely helpful mapping community and the routing people are not lovely and helpful but evil commercial exploiters of our work. The mapping I use with various Garmin devices has been freely developed and provided without expectation of payment and OSM would not be the success it is without the support of that community.
Regards
Ian
From: David Woolley
Sent: Monday, 28 July 2014 10:32
To: talk-gb at openstreetmap.org
On 27/07/14 22:26, ianmspencer at gmail.com wrote:
> So there should be a clear tagging that is distinct for the meaning
> of “trunk (UK sense)” vs “trunk (International sense)
The logical conclusion of this would be that there would have to be a
different tag for every jurisdiction. In this context a jurisdiction
could be a city, not just a country, as they all have the potential to
change the rules independently of each other, at any time. (Although I
can't think of a good example for routing, at the moment, rules for
highways differ from the rest of the county in London, e.g. there are
more strict rules on pavement parking and blocking dropped kerbs.)
That would actually make life more difficult for routing software
developers, as they would need to have a table listing all of the
variants, even if most where the the same.
The current rules are set for the benefit of the many amateur mappers,
not for the few professional software developers.
Even in areas where the rules require the use of a single international
standard, namely phone numbers, the British amateur mappers regularly
break the rule by giving national format numbers or even +44(0) format
numbers, because that is how they are used to representing them, and
because it is more difficult for part time mappers to learn and remember
the rules than it should be for a professional software developer.
Of course commercial software development managers, when given something
apparently free for cost, do tend not to budget for the cost of making
it usable in their application.
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