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[mkgmap-dev] [Patch v1] improve roundabout checks

From Gerd Petermann GPetermann_muenchen at hotmail.com on Wed Aug 3 14:40:23 BST 2016

Hi all,

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

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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