[mkgmap-dev] Splitter Error

Wed Mar 13 08:53:35 GMT 2013

Hi,

please try the attached patch (which is just a quick hack). It implements a
special mode in the split algo (only for polygons).
Activate it with --x-marine-device=true and use it in combination with
--preserve-element-order
and your prepro. 
Does that improve your map?

marine_device_v1.patch
<http://gis.19327.n5.nabble.com/file/n5753014/marine_device_v1.patch>  

Gerd


RheinSkipper wrote
> Ah, I begin to understand. With a few polygons of test data (which might
> fit into a single sub division), changing order in the input had the
> desired effect on the drawing order. But with bigger input the results
> were somehow random.
> 
> I hope a practical way can be found to deal with this problem. If one
> could specify a layer or priority value for several tags within the style
> file, maybe mkgmap could collect polygons of equal priority in different
> sub divisions and sort the whole sub divisions in corresponding order.
> 
> If it would be necessary to break the map into areas that fit into sub
> divisions, this could be made optional just for marine maps which do not
> support routing anyway. Maybe it´s easier without the routing stuff.


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