Re: [mkgmap-dev] new branch split-shape

2017-01-23 Thread Gerd Petermann
Hi Ticker, Ticker Berkin wrote > What aspect of sea polygons is getting worse? GPSMapEdit reports that the shapes require more memory, I think that means that --order-by-decreasing-area option still creates more shapes. Same problem with background shapes (0x4B). A quick work around might be to

Re: [mkgmap-dev] new branch split-shape

2017-01-23 Thread Ticker Berkin
Hi Gerd What aspect of sea polygons is getting worse? Once the new algo is shown not to cause problems: for quick/simple wins, I'd like to convert PolygonSplitter*, AreaClipper and MultiPolygonRelation to use the new code. I agree that ShapeMergeFilter should operate on the full map rather than

Re: [mkgmap-dev] new branch split-shape

2017-01-23 Thread Gerd Petermann
Hi Ticker, I did some more tests. With --order-by-decreasing-area enabled the branch is much faster, in fact the additional polygon splits are done with nearly no impact on run time, great! Still confusing for me is that the option has a negative effect on the sea polygons, so I 'll have a