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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 Cobbs644March 11, 2013 10:38PM
Re: T-Junctions re-visited Tim Gould297March 11, 2013 11:31PM
Re: T-Junctions re-visited Roland Melkert276March 12, 2013 11:17AM
Re: T-Junctions re-visited Ben Supnik285March 12, 2013 11:17AM
Re: T-Junctions re-visited Roland Melkert259March 12, 2013 11:22AM
Re: T-Junctions re-visited Ben Supnik267March 12, 2013 11:32AM
Re: T-Junctions re-visited Roland Melkert258March 12, 2013 11:41AM
Re: T-Junctions re-visited Ben Supnik269March 12, 2013 11:55AM
Re: T-Junctions re-visited Roland Melkert264March 13, 2013 10:08AM
Re: T-Junctions re-visited Travis Cobbs286March 13, 2013 11:27AM
Re: T-Junctions re-visited Allen Smith306March 12, 2013 02:01PM
Re: T-Junctions re-visited Michael Heidemann273March 13, 2013 09:27AM
Re: T-Junctions re-visited Ben Supnik267March 13, 2013 10:37AM
Re: T-Junctions re-visited Tim Gould256March 13, 2013 02:31PM
Re: T-Junctions re-visited Michael Heidemann258March 13, 2013 03:42PM
Re: T-Junctions re-visited Michael Heidemann252March 17, 2013 04:35AM
Re: T-Junctions re-visited Ben Supnik236March 17, 2013 08:43AM
Re: T-Junctions re-visited Michael Heidemann235March 17, 2013 08:59AM
Re: T-Junctions re-visited Ben Supnik245March 17, 2013 09:02AM
Re: T-Junctions re-visited Magnus Forsberg236March 17, 2013 09:15AM
Re: T-Junctions re-visited Travis Cobbs309March 17, 2013 10:09PM
Re: T-Junctions re-visited Ben Supnik264March 18, 2013 07:30AM
Re: T-Junctions re-visited Travis Cobbs273March 18, 2013 10:57AM
Re: T-Junctions re-visited Ben Supnik283March 18, 2013 11:27AM
Re: T-Junctions re-visited Travis Cobbs264March 18, 2013 12:23PM
Re: T-Junctions re-visited Ben Supnik284March 18, 2013 01:41PM
Re: T-Junctions re-visited Roland Melkert293March 18, 2013 02:51PM
Re: T-Junctions re-visited Travis Cobbs262March 18, 2013 02:59PM
Re: T-Junctions re-visited Roland Melkert291March 18, 2013 03:41PM
Re: T-Junctions re-visited Ben Supnik279March 18, 2013 06:09PM
Re: T-Junctions re-visited Roland Melkert281March 19, 2013 11:38AM
Re: T-Junctions re-visited Ben Supnik305March 19, 2013 11:43AM
Re: T-Junctions re-visited Roland Melkert316March 19, 2013 07:07PM
Re: T-Junctions re-visited Travis Cobbs289March 19, 2013 10:13PM
Re: T-Junctions re-visited Tim Gould274March 20, 2013 03:56AM
Re: T-Junctions re-visited Travis Cobbs263March 20, 2013 10:13AM
Re: T-Junctions re-visited Ben Supnik251March 20, 2013 10:23AM
Re: T-Junctions re-visited Travis Cobbs266March 20, 2013 10:29AM
Re: T-Junctions re-visited Travis Cobbs268March 20, 2013 10:26AM
Re: T-Junctions re-visited Ben Supnik245March 20, 2013 11:18AM
Re: T-Junctions re-visited Ben Supnik265March 20, 2013 06:42AM
Re: T-Junctions re-visited Roland Melkert257March 20, 2013 11:36AM
Re: T-Junctions re-visited Philippe Hurbain260March 20, 2013 06:36AM
Re: T-Junctions re-visited Ben Supnik268March 20, 2013 06:58AM
Re: T-Junctions re-visited Allen Smith275March 20, 2013 09:08AM
Re: T-Junctions re-visited Roland Melkert286March 20, 2013 11:35AM
Re: T-Junctions re-visited Ben Supnik670March 20, 2013 11:50AM
Re: T-Junctions re-visited Michael Heidemann283March 18, 2013 03:54PM
Re: T-Junctions re-visited Roland Melkert260March 13, 2013 10:03AM
Re: T-Junctions re-visited Tim Gould240March 13, 2013 03:56PM
Re: T-Junctions re-visited Sergio Reano244March 13, 2013 03:51PM
Re: T-Junctions re-visited Roland Melkert309March 13, 2013 04:36PM
Re: T-Junctions re-visited Tim Gould271March 13, 2013 05:10PM
Re: T-Junctions re-visited Ben Supnik251March 14, 2013 08:17PM
Re: T-Junctions re-visited Tim Gould319March 14, 2013 08:41PM
Re: T-Junctions re-visited Ben Supnik313March 15, 2013 10:56AM
Re: T-Junctions re-visited Roland Melkert267March 15, 2013 11:36AM
Re: T-Junctions re-visited Ben Supnik236March 13, 2013 06:58PM
Re: T-Junctions re-visited Roland Melkert250March 13, 2013 07:27PM
Re: T-Junctions re-visited Ben Supnik235March 13, 2013 07:37PM
Re: T-Junctions re-visited Roland Melkert249March 13, 2013 07:59PM
Re: T-Junctions re-visited Ben Supnik275March 13, 2013 08:18PM
Re: T-Junctions re-visited Travis Cobbs296March 14, 2013 03:23PM
Re: T-Junctions re-visited Roland Melkert305March 14, 2013 03:34PM
Re: T-Junctions re-visited Tim Gould319March 14, 2013 03:41PM
Re: T-Junctions re-visited Roland Melkert283March 15, 2013 11:33AM
Re: T-Junctions re-visited Tim Gould248March 13, 2013 07:43PM
Re: T-Junctions re-visited Roland Melkert245March 13, 2013 08:08PM
Re: T-Junctions re-visited Tim Gould250March 13, 2013 08:18PM
Re: T-Junctions re-visited Ben Supnik308March 14, 2013 08:15PM
Re: T-Junctions re-visited Roland Melkert305March 15, 2013 11:29AM
Re: T-Junctions re-visited Travis Cobbs275March 15, 2013 12:27PM
Re: T-Junctions re-visited Ben Supnik291March 15, 2013 05:08PM
Re: T-Junctions re-visited Travis Cobbs275March 16, 2013 11:29PM
Re: T-Junctions re-visited Ben Supnik233March 17, 2013 08:58AM
Re: T-Junctions re-visited Roland Melkert236March 17, 2013 12:35PM
Re: T-Junctions re-visited Travis Cobbs261March 18, 2013 12:28PM
Re: T-Junctions re-visited Travis Cobbs282March 18, 2013 12:32PM
Re: T-Junctions re-visited Roland Melkert274March 18, 2013 05:00PM
Re: T-Junctions re-visited Travis Cobbs306March 18, 2013 11:05PM
Re: T-Junctions re-visited Roland Melkert329March 19, 2013 11:38AM
Re: T-Junctions re-visited Sergio Reano312March 26, 2013 02:46PM
Re: T-Junctions re-visited Roland Melkert263March 27, 2013 11:19AM
Re: T-Junctions re-visited Sergio Reano312March 27, 2013 01:48PM



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