[mkgmap-dev] Commit: r1627: Merge the style-speed branch to trunk.From svn commit svn at mkgmap.org.uk on Sun Apr 4 14:52:14 BST 2010
Version 1627 was commited by steve on 2010-04-04 14:52:14 +0100 (Sun, 04 Apr 2010) Merge the style-speed branch to trunk. This drops all tags that are not used right at the point of reading from the input file. This has varying benefits depending on the input data. In the best case, we avoid creating Node objects for a large number of points that should just stay as Coord objects. As the Node object contains numerous sub objects such as the Tags object this saving can be very large. Even on ways, where it is rarely possible to avoid creating a Tags object, you can reduce the number of resize operations needed. The biggest benefit is for Denmark and countries that have had automated bulk imports. In the UK the difference is merely in the 10s of megabytes rather than the hundreds or thousands.
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