Hello, I'd love to test this if there was a GEOS implementation of it... Will it be difficult to port quickly?
Thanks, Stephen On Wed, Oct 8, 2008 at 5:22 PM, Martin Davis <[EMAIL PROTECTED]>wrote: > Larry, a question about your testing. Were these geometries polygons or > linestrings? The reason I ask is that I have one optimization > (simplification) which is working for polygons, but not yet for linestrings. > I'm curious to know whether the speed improvement was due to all the > optimizations, or just one. > > Larry Becker wrote: > >> Congratulations Martin! Buffering 41 complex aircraft features took 83 >> seconds with your old algorithm, and only 2 seconds using your new one. I >> could find no anomalies. >> >> regards, >> Larry Becker >> >> On Wed, Oct 8, 2008 at 4:23 PM, Martin Davis <[EMAIL PROTECTED]<mailto: >> [EMAIL PROTECTED]>> wrote: >> >> JTS'ers, >> >> As you may have experienced, buffering in JTS currently has some >> performance challenges in situations involving large buffer >> distances. I'm excited to say that I've implemented some code >> enhancements which *dramatically* improve buffer performance in >> these cases (as well as providing an overall improvement). >> >> I've tested this code as extensively as I can, and am pretty >> confident that it is robust and accurate. But it's always good to >> have other people beat on it as well! >> >> So, is anyone out there ready, able and willing to test out the >> new buffering code? Ideally this would be someone who has a >> application which uses buffering in a significant way, and which >> allows determining the performance and correctness characteristics >> effectively. I'm looking for feedback to either confirm that this >> really is an improvement, or some test cases which reveal issues >> if there are any. >> >> If you're able to help out, you can either download and build the >> codebase from CVS, or I've built an alpha release of JTS 1.10 >> which is available here: >> >> http://tsusiatsoftware.net/jts/files/jts-1.10-alpha.zip >> >> Thanks - Martin >> >> -- Martin Davis >> Senior Technical Architect >> Refractions Research, Inc. >> (250) 383-3022 >> >> _______________________________________________ >> jts-devel mailing list >> [email protected] >> <mailto:[email protected]> >> http://lists.refractions.net/mailman/listinfo/jts-devel >> >> >> >> >> -- >> http://amusingprogrammer.blogspot.com/ >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> jts-devel mailing list >> [email protected] >> http://lists.refractions.net/mailman/listinfo/jts-devel >> >> > > -- > Martin Davis > Senior Technical Architect > Refractions Research, Inc. > (250) 383-3022 > > _______________________________________________ > jts-devel mailing list > [email protected] > http://lists.refractions.net/mailman/listinfo/jts-devel >
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