[mkgmap-dev] Sea generationFrom Felix Hartmann extremecarver at gmail.com on Mon Nov 8 18:40:52 GMT 2010
On 04.11.2010 19:52, WanMil wrote: > Hi all, > > I have started to rework the sea generation code. There have been > several reports of problems with flooded tiles in the last weeks so I > think it is neccessary to improve some parts of it. > > The first thing I've started is to implement a flooded tile blocker. The > algorithm has been discussed a while ago on this list. It uses a > quadtree implementation which is able to return all points contained by > a polygon. The quadtree is filled with all highway points. If a sea > polygon contains too many points that belong to highways something is > wrong and the sea polygon is discarded. > Are you still working on the flooded tile blocker? I think that even with external coastline bits and pieces - above code should be implemented (or it would be great...). Else one will need for more or less any country (at least) an external coastline file.... Also sometimes large lakes flood a whole tile....
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