[Talk-transit] Summary of Public Transport Proposal Criticism -> a real example from Zürich

Dominik Mahrer (Teddy) teddy at teddy.ch
Mon Feb 7 16:38:02 GMT 2011

On 02/07/2011 10:45 AM, Richard Mann wrote:
> On Mon, Feb 7, 2011 at 5:39 AM, Dominik Mahrer (Teddy)<teddy at teddy.ch>  wrote:
>> I did not play around with actual renderers, but in theory the renderer
>> should be able to get the diagram out of the order of the stops, regardless
>> of the role. If one stop is twice in the route relation it should be obvious
>> that it has to be some kind of loop. So in theory forward_stop and
>> backward_stop can be replaced by the role stop.
> In theory data users should be able to do without roles at all (though
> they might appreciate some help if there are a lot of
> direction-specific stop names), and data users should be encouraged
> not to depend on them.
> I think the "simplified" advice is that roles aren't required (but
> that if you want to make the line-diagram service work with a
> two-directions relation, then - for the moment - you need to do xyz).
> Can anyone point me to a route relation with platform&  stop members,
> so I can check how the line-diagram service works in that situation?

A normal route with two variants in one direction:

A kind of ring route, but first/last tree stops are identical:


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