[mkgmap-dev] How to split polygons into boundary relations with common ways?

Tue Jan 24 22:27:24 GMT 2012

On Jan 24, 2012, at 1:58 PM, Marko Mäkelä wrote:

> On Tue, Jan 24, 2012 at 07:58:21AM -0800, Apollinaris Schoell wrote:
>> Don't know any software for osm files. But if you could create shape 
>> files first then there are 1 or 2 converters from shape to osm format 
>> which can create the relations and remove duplicate ways.
> 
> Right, ogr2osm should be one of them. I guess I will have to go back 
> from osm to shape format and then try my luck with these converters.
> 
> Do you know if there is any shape file converter that would merge nearby 
> nodes to a single OSM node id? In this data set, adjacent areas 
> sometimes have nodes in almost the same position. This should be a 
> problem in the original dataset and not a coordinate transformation 
> artefact, because a transformation could map multiple points to one 
> point, but not vice versa.
> 

never found any good solution for merging points or simplify except Josm

> 	Marko
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