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[mkgmap-dev] Ideas for via ways in turn restrictions

From Nakor Osm nakor.osm at gmail.com on Wed May 5 18:55:45 BST 2010


Not sure if this was ever mentioned/explored before.

I looked at the document at
http://svn.parabola.me.uk/display/trunk/doc/nod.txt which indicates that a
turn restriction is in fact 3 nodes and 2 ways and at cgpsmapper
documentation where they mention that you can have 3 roads restrictions
using 4 nodes.

Taking a concrete example, I was wondering if relation
275622<http://www.openstreetmap.org/browse/relation/275622>could be
coded in the following manner in the NOD subfile:
NODES: 62593962 <http://www.openstreetmap.org/browse/node/62593962>,
62593964 <http://www.openstreetmap.org/browse/node/62593964>,
62591273 <http://www.openstreetmap.org/browse/node/62591273>
WAYS: 39800738 <http://www.openstreetmap.org/browse/way/39800738>,
8731732 <http://www.openstreetmap.org/browse/way/8731732>

Unfortunately my knowledge of mkgmap/IMG file format prevents me of trying
this but if someone wants to give it a try I would be happy to hear back
from them.


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