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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 Cobbs888March 11, 2013 10:38PM
Re: T-Junctions re-visited Tim Gould468March 11, 2013 11:31PM
Re: T-Junctions re-visited Roland Melkert413March 12, 2013 11:17AM
Re: T-Junctions re-visited Ben Supnik425March 12, 2013 11:17AM
Re: T-Junctions re-visited Roland Melkert400March 12, 2013 11:22AM
Re: T-Junctions re-visited Ben Supnik382March 12, 2013 11:32AM
Re: T-Junctions re-visited Roland Melkert375March 12, 2013 11:41AM
Re: T-Junctions re-visited Ben Supnik384March 12, 2013 11:55AM
Re: T-Junctions re-visited Roland Melkert382March 13, 2013 10:08AM
Re: T-Junctions re-visited Travis Cobbs405March 13, 2013 11:27AM
Re: T-Junctions re-visited Allen Smith413March 12, 2013 02:01PM
Re: T-Junctions re-visited Michael Heidemann400March 13, 2013 09:27AM
Re: T-Junctions re-visited Ben Supnik380March 13, 2013 10:37AM
Re: T-Junctions re-visited Tim Gould390March 13, 2013 02:31PM
Re: T-Junctions re-visited Michael Heidemann371March 13, 2013 03:42PM
Re: T-Junctions re-visited Michael Heidemann401March 17, 2013 04:35AM
Re: T-Junctions re-visited Ben Supnik342March 17, 2013 08:43AM
Re: T-Junctions re-visited Michael Heidemann341March 17, 2013 08:59AM
Re: T-Junctions re-visited Ben Supnik333March 17, 2013 09:02AM
Re: T-Junctions re-visited Magnus Forsberg355March 17, 2013 09:15AM
Re: T-Junctions re-visited Travis Cobbs419March 17, 2013 10:09PM
Re: T-Junctions re-visited Ben Supnik384March 18, 2013 07:30AM
Re: T-Junctions re-visited Travis Cobbs381March 18, 2013 10:57AM
Re: T-Junctions re-visited Ben Supnik392March 18, 2013 11:27AM
Re: T-Junctions re-visited Travis Cobbs366March 18, 2013 12:23PM
Re: T-Junctions re-visited Ben Supnik427March 18, 2013 01:41PM
Re: T-Junctions re-visited Roland Melkert443March 18, 2013 02:51PM
Re: T-Junctions re-visited Travis Cobbs415March 18, 2013 02:59PM
Re: T-Junctions re-visited Roland Melkert479March 18, 2013 03:41PM
Re: T-Junctions re-visited Ben Supnik471March 18, 2013 06:09PM
Re: T-Junctions re-visited Roland Melkert412March 19, 2013 11:38AM
Re: T-Junctions re-visited Ben Supnik431March 19, 2013 11:43AM
Re: T-Junctions re-visited Roland Melkert453March 19, 2013 07:07PM
Re: T-Junctions re-visited Travis Cobbs426March 19, 2013 10:13PM
Re: T-Junctions re-visited Tim Gould431March 20, 2013 03:56AM
Re: T-Junctions re-visited Travis Cobbs394March 20, 2013 10:13AM
Re: T-Junctions re-visited Ben Supnik391March 20, 2013 10:23AM
Re: T-Junctions re-visited Travis Cobbs423March 20, 2013 10:29AM
Re: T-Junctions re-visited Travis Cobbs396March 20, 2013 10:26AM
Re: T-Junctions re-visited Ben Supnik375March 20, 2013 11:18AM
Re: T-Junctions re-visited Ben Supnik399March 20, 2013 06:42AM
Re: T-Junctions re-visited Roland Melkert376March 20, 2013 11:36AM
Re: T-Junctions re-visited Philippe Hurbain401March 20, 2013 06:36AM
Re: T-Junctions re-visited Ben Supnik442March 20, 2013 06:58AM
Re: T-Junctions re-visited Allen Smith442March 20, 2013 09:08AM
Re: T-Junctions re-visited Roland Melkert497March 20, 2013 11:35AM
Re: T-Junctions re-visited Ben Supnik918March 20, 2013 11:50AM
Re: T-Junctions re-visited Michael Heidemann450March 18, 2013 03:54PM
Re: T-Junctions re-visited Roland Melkert384March 13, 2013 10:03AM
Re: T-Junctions re-visited Tim Gould347March 13, 2013 03:56PM
Re: T-Junctions re-visited Sergio Reano340March 13, 2013 03:51PM
Re: T-Junctions re-visited Roland Melkert420March 13, 2013 04:36PM
Re: T-Junctions re-visited Tim Gould373March 13, 2013 05:10PM
Re: T-Junctions re-visited Ben Supnik417March 14, 2013 08:17PM
Re: T-Junctions re-visited Tim Gould474March 14, 2013 08:41PM
Re: T-Junctions re-visited Ben Supnik440March 15, 2013 10:56AM
Re: T-Junctions re-visited Roland Melkert387March 15, 2013 11:36AM
Re: T-Junctions re-visited Ben Supnik340March 13, 2013 06:58PM
Re: T-Junctions re-visited Roland Melkert349March 13, 2013 07:27PM
Re: T-Junctions re-visited Ben Supnik339March 13, 2013 07:37PM
Re: T-Junctions re-visited Roland Melkert388March 13, 2013 07:59PM
Re: T-Junctions re-visited Ben Supnik394March 13, 2013 08:18PM
Re: T-Junctions re-visited Travis Cobbs460March 14, 2013 03:23PM
Re: T-Junctions re-visited Roland Melkert471March 14, 2013 03:34PM
Re: T-Junctions re-visited Tim Gould459March 14, 2013 03:41PM
Re: T-Junctions re-visited Roland Melkert435March 15, 2013 11:33AM
Re: T-Junctions re-visited Tim Gould376March 13, 2013 07:43PM
Re: T-Junctions re-visited Roland Melkert368March 13, 2013 08:08PM
Re: T-Junctions re-visited Tim Gould387March 13, 2013 08:18PM
Re: T-Junctions re-visited Ben Supnik465March 14, 2013 08:15PM
Re: T-Junctions re-visited Roland Melkert437March 15, 2013 11:29AM
Re: T-Junctions re-visited Travis Cobbs419March 15, 2013 12:27PM
Re: T-Junctions re-visited Ben Supnik404March 15, 2013 05:08PM
Re: T-Junctions re-visited Travis Cobbs425March 16, 2013 11:29PM
Re: T-Junctions re-visited Ben Supnik341March 17, 2013 08:58AM
Re: T-Junctions re-visited Roland Melkert329March 17, 2013 12:35PM
Re: T-Junctions re-visited Travis Cobbs372March 18, 2013 12:28PM
Re: T-Junctions re-visited Travis Cobbs459March 18, 2013 12:32PM
Re: T-Junctions re-visited Roland Melkert417March 18, 2013 05:00PM
Re: T-Junctions re-visited Travis Cobbs443March 18, 2013 11:05PM
Re: T-Junctions re-visited Roland Melkert506March 19, 2013 11:38AM
Re: T-Junctions re-visited Sergio Reano447March 26, 2013 02:46PM
Re: T-Junctions re-visited Roland Melkert371March 27, 2013 11:19AM
Re: T-Junctions re-visited Sergio Reano472March 27, 2013 01:48PM



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