[mkgmap-dev] Multipolygons and bounding box

Fri Jan 8 22:07:44 GMT 2010

Hello WanMil,

> I am thinking about how to close polygons that are clipped by the 
> bounding box of the OSM file and are therefore not complete and not 
> closed? At the moment these ways are not handled by multipolygon code in 
> the mp branch. This causes lots of areas to disappear next to the 
> bounding box of the OSM files (example: Lake Neusiedel)
> 
> I have found the field bbox in Osm5XmlHandler. Does this field contain 
> the complete bounding box of the processed OSM file?

Yes.

> Do I have to 
> consider anything special using this bbox?

Err, like what?

> I want to use this bbox to close polygons that are located near the 
> border of the processed OSM file.

Rather like the sea generation code does, perhaps?

Cheers,

Mark