[mkgmap-dev] render closed waterway polygons?

Sun Oct 28 17:39:33 GMT 2012

Sounds great Steve!
I will try it on the whole Benelux and with other water features too (drain, river, stream, dam).
I have made a poi list of 'problem' areas so I can check the results.

> Hi
> 
> Attached is my latest version of the patch.
> 
> I've tried it out on the Netherlands with this style:
> 
> <<<version>>>
> 0
> <<<lines>>>
> waterway=canal & natural!=water [0x1f resolution 18 continue]
> 
> <<<polygons>>>
> waterway=canal [0x3c resolution 18]
> 
> 
> Before the patch there are numerous obvious problems where waterways
> cross the tile boundaries, but I am unable to find a single one
> with the patch.
> 
> This patch differs from the first, now the isClosed() routine works
> exactly the same as before *except* when the way is incomplete, in
> which case the previously set closed flag is returned.
> 
> So all generated ways (coastlines, multipolygons etc) should be
> unaffected,
> and of course all generated polygons should be complete, unless they
> were derived from incomplete ways.
> 
> Pre-built jar at: http://files.mkgmap.org.uk/download/74/mkgmap.jar
> 
> ..Steve
> 
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