[OSM-talk] Two different ways with the same nodes?

Shaun McDonald shaun at shaunmcdonald.me.uk
Fri Feb 12 08:34:29 GMT 2010


On 12 Feb 2010, at 06:17, edodd at billiau.net wrote:

>> On Thu, Feb 11, 2010 at 4:57 PM, <edodd at billiau.net> wrote:
>> 
>>>> Hi,
>>>> 
>>>> Stefan Pflumm wrote:
>>>>> this ways are all highways.
>>>> 
>>>> It surely is unusual for two highways sharing the same nodes, and I
>>>> cannot think of an example where this would make sense. But that
>>> doesn't
>>>> mean there is none; can you give an example?
>>>> 
>>>> Bye
>>>> Frederik
>>>> 
>>> Double-decker bridge
>>> 
>> 
>> The ways should not share nodes, because the ways don't intersect.
>> 
> That is exactly why the duplicated nodes should not be merged. They
> 'appear' to share the same node, because we are not differentiating
> according to height in the database.
> 

Why not offset the nodes a little to make them easier to work with and be able to see that there is two ways there?

Shaun





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