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SomeoneElse wrote on 27/08/2010 11:35:
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On 27/08/2010 11:22, Ian Spencer wrote:
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There is a relationship type route with network tag uk_ldp, and
in Potlatch it already renders the long distance paths in a
different way, so in principle it should be easy. Not sure
whether that has been adopted though.<br>
<br>
<a moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://www.openstreetmap.org/edit?lat=52.37191&lon=-1.67649&zoom=15">http://www.openstreetmap.org/edit?lat=52.37191&lon=-1.67649&zoom=15</a>
(note the green wide path down the middle).<br>
<br>
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Excellent - the "official" LDPs sound like a good place to start
because there's not many of them, and a map rendering those nicely
at a decent scale isn't something that I'm aware of elsewhere.<br>
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Had a quick look at Nick's current rendering which is a good stab as
you said. The thing that sticks out is that there are very few
footpaths rendered as public footpaths. It is unsurprising that this
happens because Potlatch et al have defaults when you select public
footpath that just implement footpath. The biggest job for any
reliable map would be to get mappers to properly identify which
paths are probably public footpaths (said in such ways because even
OS deny being reliable for that determination). THis is where map
rendering becomes an art and where a decision gets taken as to
whether to render footpaths as public footpaths unless...<br>
<br>
To sort that out, you'd need a tool like keepright to highlight
footpaths without access tags (I think that is where the legal
status is held). In the UK any signposted public footpath would have
this or permissive way, unless you then get into something else that
needs mapping for walkers - open access areas.<br>
<br>
Spenny<br>
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