[mkgmap-dev] rendering roundabouts

Thu Dec 2 11:58:34 GMT 2010

On Thu, Dec 02, 2010 at 12:37:39PM +0100, Minko wrote:
>On the dutch osm forum this particular roundabout has raised some 
>questions about how mkgmap deals with filtering those nodes. Does it 
>calculate an avarage position of a cluster of nodes that are (too) 
>close to each other and group them into one node? Is this the reason 
>why those jagged lines show up on the garmin img?

Are you using the option remove-short-arcs? I do not know how it works, 
but in the worst case, it does not calculate any averages, but just 
merges nodes that are too close together, until no too-close nodes 
remain. A random node would end up being selected as the representative 
of the cluster.

	Marko