[osmosis-dev] [RFE] Add bounding shape to OSM dumps

[Apollinaris Schoell]

osmosis supports 2 options to keep ways and relations intact. but geofabrik extracts don't use it as far as I know. 
completeWays
completeRelations


On 20 Jan 2010, at 12:19 , WanMil wrote:

> Hello,
> 
> I am currently active in the mkgmap project and at the moment I am 
> developing the implementation of the multipolygon feature.
> 
> I am facing problems on the tile/dump boundaries. When mkgmap (and any 
> other software) processes an OSM dump it has no hard information which 
> shape was used to extract this dump. It could be a simple bounding box 
> but it could also be a complex shape (e.g. a country boundary). We can 
> guess only.
> This makes it nearly impossible to fill incomplete polygons reasonable.
> 
> In the real world it makes it impossible to draw the 
> austrian/german/swiss part of the Bodensee using the 
> austrian/german/swiss dump. A lot of problems related to flooding on 
> coastlines are also a reson for this.
> 
> So what do you think? I think it should not be a big problem for you to 
> add such an information because you already have the shape to extract 
> the data.
> What about the OSM format? Is there a DTD for the OSM format which must 
> be extended?
> 
> WanMil
> 
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