[mkgmap-dev] New code for splitting polygon

Sun Jan 8 10:20:19 GMT 2017

Hi Gerd

Will do. Can you point me to an example of the preferred style for a
unit test.

Thanks
Ticker

On Sat, 2017-01-07 at 18:14 +0000, Gerd Petermann wrote:
> Hi Ticker,
> 
> sounds great. Please can you add some unit tests to show what it does
> with holes, points on the split line
> and one or more line segments  on the split line?
> 
> Gerd
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> von Ticker Berkin <rwb-mkgmap at jagit.co.uk>
> Gesendet: Samstag, 7. Januar 2017 18:36:31
> An: mkgmap development
> Betreff: [mkgmap-dev] New code for splitting polygon
> 
> Hi Gerd
> 
> I've written some new code for splitting polygons in an efficient
> manner. The main interface takes a shape and line of latitude or
> longitude and returns 2 lists of shapes on either side of the line.
> There is also a function to clip to rectangle.
> 
> I've put the code in util/ShapeSplitter but it could go elsewhere if
> you prefer.
> 
> So far I've only converted build/MapArea to use it, but I think it
> can
> be used throughout eventually. For the moment I've commented out the
> old code in MapArea, but this can be deleted in a while.
> 
> Regards
> Ticker
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