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[mkgmap-dev] [Patch v2] improve roundabout checks

From Mike Baggaley mike at tvage.co.uk on Thu Aug 4 22:40:38 BST 2016

HI Gerd, that looks like a good start. The attached patch improves on it
slightly by ignoring highways that do not have access for cars.







From: Gerd Petermann [mailto:GPetermann_muenchen at hotmail.com] 
Sent: 03 August 2016 14:40
To: mkgmap-dev at lists.mkgmap.org.uk
Subject: [mkgmap-dev] [Patch v1] improve roundabout checks


Hi all,


attached is a patch for the roundabout checks. It adds a test that will warn

a node on a roundabout is connected to more than one routable way 

(ways which are not accessable are not counted, e.g. highway=construction
with the default style)

The check is only performed when option

--check-roundabouts is used, you have  to enable logging to see the result.
The check is implemented in class RouteNode, so a config line in
logging.properties might be



A binary based on r3688 is here:



Note that this check is very basic, it doesn't ignore when the road is going
straight through the roundabout

or when it builds a tagent. If you think that this produces too many false
warning I may add 

code for this. 



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