Hi, I found libkdtree a few days ago and found out that the default distance is manhattan distance but I need sqrt distance. Anyone had any clue to how to do this? Thanks Ning -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.alioth.debian.org/pipermail/libkdtree-devel/attachments/20140929/273066e8/attachment.html>