[Talk-GB] Incorrect use of OS VectorMap District when mapping?

Henry Gomersall heng at cantab.net
Thu Feb 10 13:37:37 GMT 2011


On Thu, 2011-02-10 at 11:32 +0000, Andy Robinson (blackadder-lists)
wrote:
> >On Thu, 2011-02-10 at 10:30 +0000, Peter Miller wrote:
> >> On reflection possibly we should use river-bank as that has more
> >> information in it, but recommend that anyone importing does a
> 'bridge
> >> cleanup' at the same time.
> >
> >This is an area I'm actually really interested in (for rural rivers)
> and
> keen to
> >contribute. So far I've been put off by exactly this problem. Is a
> reasonable
> >approach to use the OS data for river edges and then fill in the gaps
> (bridges
> >etc) with OSM data?
> 
> +1
> 
> If the OS vector data is only assumed to be the banks and the
> additional
> data for flow direction, bridges and other features are added from
> survey/BING etc then we should end up with a very functional dataset. 

Further to this point, what happens when there is a river with a tarn
inline? For example:
http://osm.org/go/evO4TBvG

Should there be a continuous flow direction through the tarn?

cheers,
Henry




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