[mkgmap-dev] [PATCH v1] Remove shrinks quadtree
From WanMil wmgcnfg at web.de on Tue Jan 10 21:56:16 GMT 2012
Hi, I implemented a shrinking remove in the elementquadtree which is used by the LocationHook. If enough elements have been removed the depth of the quadtree is shrinked. Sometimes this improves the performance, sometimes not. The patch seems to be not 100% correct because I do get different numbers of query results from the quadtree (patched finds 24974922 in 66 tiles, unpatched finds 24974934 elements in 66 tiles). WanMil -------------- next part -------------- A non-text attachment was scrubbed... Name: quadtree_remove_v1.patch Type: text/x-patch Size: 6575 bytes Desc: not available Url : http://lists.mkgmap.org.uk/pipermail/mkgmap-dev/attachments/20120110/9bbc352f/attachment.bin
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