There is an osg::notify at osg::WARN level in the CullVisitor in
updateCalculatedNearFar(matrix, drawable, isBillboard).
There are several, actually, but I'm asking about this one:
if (d_near<0.0) osg::notify(osg::WARN)<<" 2) sett near with
d_near="<<d_near<< std::endl;
else _computed_znear = d_near;
Is there a specific case represented here, when d_near is negative? Does that
mean something specific?
An in-house customer of our code is trying to put an object at (just in, I
hope) the near clipping plane, and I think it is this object giving the d_near
< 0.0. Is the computed_znear not supposed to be < 0, I'd guess? I'm trying to
decide what we're seeing here.
Thanks,
andy
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