I have a bridge for sale in Brooklyn too! Low mileage! ;) Thanks.
On Fri, Feb 22, 2013 at 10:34 AM, Robert Osfield <[email protected]>wrote: > Hi Chirs, > > I think it's a plausible story :-) > > I have now merged and submitted the fix to svn/trunk. > > Robert. > > On 22 February 2013 16:33, Chris Hanson <[email protected]> wrote: > > Well, remember, this isn't even my code. This is all core OSG code, in > the > > databasepager. So, I'm not claiming to be an expert in what it does, or > was > > intended to do. I can probably try to track down where it happened, > roughly, > > but I don't think I left breadcrumbs after finding the actual cause. > > > > This was an already valid LightPointNode that was loaded by the FLT > loader, > > called from the databasepager. For reasons I didn't totally understand, I > > believe as part of osgUtil optmization, this loaded node was cloned > prior to > > being inserted into the live graph, and the clone was what actually > ended up > > in the graph. At this point, I can't recall if the bbox of the source > node > > was actually already computed and valid, or if in fact the problem was > that > > it was not, but that the copy constructor was not setting the max/min > values > > to FLT_MAX which would then trigger a later computation of the bbox. My > > memory suggests it was the latter -- the bbox values were uninitialized > and > > therefore didn't trigger a recompute when they needed to. > > > > Does that make sense? > > > -- Chris 'Xenon' Hanson, omo sanza lettere. [email protected] http://www.alphapixel.com/ Training • Consulting • Contracting 3D • Scene Graphs (Open Scene Graph/OSG) • OpenGL 2 • OpenGL 3 • OpenGL 4 • GLSL • OpenGL ES 1 • OpenGL ES 2 • OpenCL Digital Imaging • GIS • GPS • osgEarth • Terrain • Telemetry • Cryptography • Digital Audio • LIDAR • Kinect • Embedded • Mobile • iPhone/iPad/iOS • Android @alphapixel <https://twitter.com/alphapixel> facebook.com/alphapixel (775) 623-PIXL [7495]
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