<div dir="ltr">Iterating over the 5000 children would be pretty slow - what if you could discard some of these children without even looking at them? A hierarchy of sorts, where you can ignore large swaths of those children, would help...<div>Consider, for example, using a k-d tree: <a href="http://www.openscenegraph.org/index.php/documentation/user-guides/107-kdtrees">http://www.openscenegraph.org/index.php/documentation/user-guides/107-kdtrees</a></div><div><br></div><div>Or you can do this on your own, if you like, by grouping nearby nodes into their own osg::Group. Depends what your underlying data looks like.</div><div><br></div><div><br></div><div><br></div><div>I would not recommend combining the geometry into a single drawable unless you expect all of them to be visible at once, and that each piece of geometry is fairly small.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Mar 1, 2020 at 9:07 AM AndrewC <<a href="mailto:admin@a-cunningham.com">admin@a-cunningham.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hi,<br></div><div>I was wondering what the best practices are for dealing with a complex scene graph where a single osg::Group might have , say, 5000 children where each child is fairly simple osg::Geom geometry. Clearly, this is inefficient and draws slowly.<br></div><div>So obviously, compiling/collecting the geometry into one drawable would be much more efficient. osgUtil::Optimizer does not seem to do this for me, or am I missing something?</div><div><br></div><div>Andrew<br></div></div>
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