[Talk-transit] Proposal for a new transport tag

Richard Mann richard.mann.westoxford at gmail.com
Thu Mar 1 08:44:45 GMT 2012


On Thu, Mar 1, 2012 at 6:51 AM, Andre Joost <andre+joost at nurfuerspam.de>wrote:

> The renderer has to look up every bus service on a road, and count them
> together. This is not a simple thing with current mapnik.
>
>
>
Yes indeed. I've done it by applying local external rules (if ref=X13 then
behave as if frequency=6, because I know its frequency is supplemented by
another service). This would be better solved with some form of
pre-processing to amalgamate frequencies, though that's not trivial. Not
impossible though (the data processing is easy; it's getting the data in a
manipulable form that's fiddly).
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