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Re: T-Junctions re-visited
March 26, 2013 02:46PM
While talking about smoothing you must also consider the quality of the smoothing.
You can take some kind of really GOOD smothing at the cost of loading time, or just ignore smoothing having short timings.
In the middle you can have some kind of deals with these parameters...

In SR3DBuilder the 4186.dat part loads in 3.5 seconds on a Centrino 2 2GHz processor and the quality is good enough compromise.

I can give some useful hints about performance on that part:
- using indexed primitives reduces from about 330.000 vertex to about 110.000
- caching already optimized parts in memory allows loading the same part in less then 0.1 sec
- to averate the normals in a vertex I consider the angle between the current vertex normal already computed and the new one I'm going to test. If the angle between them is <45° then the new normal value will be averaged, otherwise a new vertex in the same position is added with the new normal value. This is not the best quality in some cases (part 32197), but is good enough in most of them
SubjectAuthorViewsPosted
T-Junctions re-visited Travis Cobbs575March 11, 2013 10:38PM
Re: T-Junctions re-visited Tim Gould255March 11, 2013 11:31PM
Re: T-Junctions re-visited Roland Melkert229March 12, 2013 11:17AM
Re: T-Junctions re-visited Ben Supnik233March 12, 2013 11:17AM
Re: T-Junctions re-visited Roland Melkert229March 12, 2013 11:22AM
Re: T-Junctions re-visited Ben Supnik226March 12, 2013 11:32AM
Re: T-Junctions re-visited Roland Melkert209March 12, 2013 11:41AM
Re: T-Junctions re-visited Ben Supnik231March 12, 2013 11:55AM
Re: T-Junctions re-visited Roland Melkert219March 13, 2013 10:08AM
Re: T-Junctions re-visited Travis Cobbs248March 13, 2013 11:27AM
Re: T-Junctions re-visited Allen Smith266March 12, 2013 02:01PM
Re: T-Junctions re-visited Michael Heidemann234March 13, 2013 09:27AM
Re: T-Junctions re-visited Ben Supnik232March 13, 2013 10:37AM
Re: T-Junctions re-visited Tim Gould227March 13, 2013 02:31PM
Re: T-Junctions re-visited Michael Heidemann223March 13, 2013 03:42PM
Re: T-Junctions re-visited Michael Heidemann204March 17, 2013 04:35AM
Re: T-Junctions re-visited Ben Supnik198March 17, 2013 08:43AM
Re: T-Junctions re-visited Michael Heidemann196March 17, 2013 08:59AM
Re: T-Junctions re-visited Ben Supnik203March 17, 2013 09:02AM
Re: T-Junctions re-visited Magnus Forsberg204March 17, 2013 09:15AM
Re: T-Junctions re-visited Travis Cobbs229March 17, 2013 10:09PM
Re: T-Junctions re-visited Ben Supnik226March 18, 2013 07:30AM
Re: T-Junctions re-visited Travis Cobbs232March 18, 2013 10:57AM
Re: T-Junctions re-visited Ben Supnik231March 18, 2013 11:27AM
Re: T-Junctions re-visited Travis Cobbs228March 18, 2013 12:23PM
Re: T-Junctions re-visited Ben Supnik243March 18, 2013 01:41PM
Re: T-Junctions re-visited Roland Melkert243March 18, 2013 02:51PM
Re: T-Junctions re-visited Travis Cobbs224March 18, 2013 02:59PM
Re: T-Junctions re-visited Roland Melkert227March 18, 2013 03:41PM
Re: T-Junctions re-visited Ben Supnik238March 18, 2013 06:09PM
Re: T-Junctions re-visited Roland Melkert235March 19, 2013 11:38AM
Re: T-Junctions re-visited Ben Supnik245March 19, 2013 11:43AM
Re: T-Junctions re-visited Roland Melkert274March 19, 2013 07:07PM
Re: T-Junctions re-visited Travis Cobbs246March 19, 2013 10:13PM
Re: T-Junctions re-visited Tim Gould234March 20, 2013 03:56AM
Re: T-Junctions re-visited Travis Cobbs221March 20, 2013 10:13AM
Re: T-Junctions re-visited Ben Supnik206March 20, 2013 10:23AM
Re: T-Junctions re-visited Travis Cobbs221March 20, 2013 10:29AM
Re: T-Junctions re-visited Travis Cobbs222March 20, 2013 10:26AM
Re: T-Junctions re-visited Ben Supnik205March 20, 2013 11:18AM
Re: T-Junctions re-visited Ben Supnik222March 20, 2013 06:42AM
Re: T-Junctions re-visited Roland Melkert224March 20, 2013 11:36AM
Re: T-Junctions re-visited Philippe Hurbain226March 20, 2013 06:36AM
Re: T-Junctions re-visited Ben Supnik224March 20, 2013 06:58AM
Re: T-Junctions re-visited Allen Smith224March 20, 2013 09:08AM
Re: T-Junctions re-visited Roland Melkert238March 20, 2013 11:35AM
Re: T-Junctions re-visited Ben Supnik593March 20, 2013 11:50AM
Re: T-Junctions re-visited Michael Heidemann239March 18, 2013 03:54PM
Re: T-Junctions re-visited Roland Melkert230March 13, 2013 10:03AM
Re: T-Junctions re-visited Tim Gould205March 13, 2013 03:56PM
Re: T-Junctions re-visited Sergio Reano209March 13, 2013 03:51PM
Re: T-Junctions re-visited Roland Melkert269March 13, 2013 04:36PM
Re: T-Junctions re-visited Tim Gould226March 13, 2013 05:10PM
Re: T-Junctions re-visited Ben Supnik214March 14, 2013 08:17PM
Re: T-Junctions re-visited Tim Gould273March 14, 2013 08:41PM
Re: T-Junctions re-visited Ben Supnik266March 15, 2013 10:56AM
Re: T-Junctions re-visited Roland Melkert227March 15, 2013 11:36AM
Re: T-Junctions re-visited Ben Supnik210March 13, 2013 06:58PM
Re: T-Junctions re-visited Roland Melkert215March 13, 2013 07:27PM
Re: T-Junctions re-visited Ben Supnik196March 13, 2013 07:37PM
Re: T-Junctions re-visited Roland Melkert210March 13, 2013 07:59PM
Re: T-Junctions re-visited Ben Supnik235March 13, 2013 08:18PM
Re: T-Junctions re-visited Travis Cobbs257March 14, 2013 03:23PM
Re: T-Junctions re-visited Roland Melkert262March 14, 2013 03:34PM
Re: T-Junctions re-visited Tim Gould276March 14, 2013 03:41PM
Re: T-Junctions re-visited Roland Melkert239March 15, 2013 11:33AM
Re: T-Junctions re-visited Tim Gould198March 13, 2013 07:43PM
Re: T-Junctions re-visited Roland Melkert213March 13, 2013 08:08PM
Re: T-Junctions re-visited Tim Gould209March 13, 2013 08:18PM
Re: T-Junctions re-visited Ben Supnik271March 14, 2013 08:15PM
Re: T-Junctions re-visited Roland Melkert258March 15, 2013 11:29AM
Re: T-Junctions re-visited Travis Cobbs233March 15, 2013 12:27PM
Re: T-Junctions re-visited Ben Supnik247March 15, 2013 05:08PM
Re: T-Junctions re-visited Travis Cobbs230March 16, 2013 11:29PM
Re: T-Junctions re-visited Ben Supnik197March 17, 2013 08:58AM
Re: T-Junctions re-visited Roland Melkert204March 17, 2013 12:35PM
Re: T-Junctions re-visited Travis Cobbs223March 18, 2013 12:28PM
Re: T-Junctions re-visited Travis Cobbs238March 18, 2013 12:32PM
Re: T-Junctions re-visited Roland Melkert232March 18, 2013 05:00PM
Re: T-Junctions re-visited Travis Cobbs260March 18, 2013 11:05PM
Re: T-Junctions re-visited Roland Melkert273March 19, 2013 11:38AM
Re: T-Junctions re-visited Sergio Reano266March 26, 2013 02:46PM
Re: T-Junctions re-visited Roland Melkert218March 27, 2013 11:19AM
Re: T-Junctions re-visited Sergio Reano267March 27, 2013 01:48PM



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