[mkgmap-dev] Commit r3843: Improve throughput and efficiency of ShapeMergeFilter

Mon Mar 13 14:47:33 GMT 2017

Hi all,

I've noticed that ShapeMergeFilter is still consuming lots of CPU time for some tiles with many islands
(using the default style).

A single tile in a Finland needed > 21 minutes with r3842, with r3843 it is done in ~ 80 seconds.

I've also noticed that it is not useful to call WrongAngleFixer only for merged shapes.
Looking at this now.

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von svn commit <svn at mkgmap.org.uk>
Gesendet: Montag, 13. März 2017 15:40:40
An: mkgmap-svn at lists.mkgmap.org.uk; mkgmap-dev at lists.mkgmap.org.uk
Betreff: [mkgmap-dev] Commit r3843: Improve throughput and efficiency of        ShapeMergeFilter

Version mkgmap-r3843 was committed by gerd on Mon, 13 Mar 2017

Improve throughput and efficiency of ShapeMergeFilter

- Much faster for tiles with lots of islands (--precomp-sea)
- Finds a few more possible merges

http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=3843
_______________________________________________
mkgmap-dev mailing list
mkgmap-dev at lists.mkgmap.org.uk
http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev