[Talk-GB] OS boundary data as background images in PotlatchorJOSM

J.Woollacott woollac at hotmail.com
Fri Nov 16 15:07:39 GMT 2012

Agreed...  I like to reuse existing ways,  as an example, part of the 
dartmoor trace tries to follow an existing stream,  which was NPE created. 
We now have a stream and that part of the NP using the same way and nicely 
aligned to the trace and OS_StreetView.


-----Original Message----- 
From: Richard Fairhurst
Sent: Friday, November 16, 2012 2:29 PM
To: talk-gb at openstreetmap.org
Subject: Re: [Talk-GB] OS boundary data as background images in 

Jason Woollacott wrote:
> Just had a quick look at the Dartmoor gpx and it matches the road layout
> in a section I'm familiar with.  So looking good.

You're probably aware, but just in case... boundary relations are much
easier for mappers to work with when they reuse existing ways.

I recently repaired a rather nasty foul-up in the Lake District where
someone had created the National Park boundary using new ways, but shared
nodes. The result was that when a newbie wanted to upgrade a road to
tertiary, he accidentally selected the boundary way instead and ended up
creating a very wiggly tertiary ring road all round the National Park.

I've also seen a case in another National Park where the boundary, which
follows roads, was created with entirely new ways. The result was that
beautiful boundary-derived ways were sitting alongside 2006-vintage badly
traced roads from NPE which should have had the same geometry.

In other words, take your time - it's worth getting it right.


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