Hi,
On Friday 31 July 2009, David Guthrie wrote:
> In several different apps after switching to 2.8.0/2.8.1 from 2.6.0, we've
> started seeing frequent issues with NaN in the cull visitor, Specifically
> printed out from line 826 in CullVisitor.cpp
>
> osg::notify(osg::NOTICE)<<"CullVisitor::apply(Geode&) detected
> NaN,"<<std::endl <<" depth="<<depth<<",
> center=("<<bb.center()<<"),"<<std::endl <<" matrix="<<matrix<<std::endl;
>
>
> We're seeing in several, unrelated applications intermittently, and when it
> happens, nothing is rendering incorrectly that we can see. Normally when
> I've had NaN in the past, the whole scene just goes to the clear color or
> something like that.
>
> I'm see that the same error message has been there for some time. I'm
> perfectly willing to accept that there are math errors in our applications,
> I just wanted to know if anyone had seen the same issue and seen it pop up
> right after switching to 2.8.x?
With flightgear we have every now and then people with these problem too.
To better debug that stuff I have, at a higher notify level added a node path
output to the node where this happens.
So setting the notify level to DEBUG_INFO in the current *trunk* osg version
might give you a hint where to to start searching for a problem.
Greetings
Mathias
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