[osg-users] Migration from OSG 3.1.5 to 3.4.0 / Qt 4 to Qt 5

Robert Osfield robert.osfield at gmail.com
Thu Dec 17 08:13:01 PST 2015

On 17 December 2015 at 15:29, Emmanuel Pot <emmanuel.pot at bentley.com> wrote:

> After a long investigation, it seems the way the camera was initialized
> was not working anymore. It was a bit painful that no error were raised,
> just this weird black background. But starting from the example and tuning
> our code worked at the end !

Good to hear you've track the issue down.

It's a shame you didn't upgrade a bit sooner as there was several
discussions about a bug fix to the core OSG that paradoxically caused
problems with applications that had erroneous camera set up code -
basically the original bug in the core OSG hid this erroneous camera set up
so fixing it ravelled the problem.  The original osgviewerQt example had to
error in the Camera set up code.  The fix was actually part of OSG-3.2, so
OSG-3.4 inherited it.

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