[osg-users] osgViewer::View::getCameraContainingPosition() returns weird results when using slave cameras

[Jason Beverage]

Hi Glenn and Robert,

Glenn, your code worked great, thanks alot, I really appreciate it.  The
posts from you and Hesicong over the last few months about using OSG via
C++/CLI have made using OSG in a .NET environment much nicer than what we
were previously doing.

Robert, I'm in no major hurry to get that issues fixed since I'm just using
osgViewer::Viewer and things seem to be working as expected correctly now.

Thanks for all your help!

Jason

On Wed, May 28, 2008 at 3:12 PM, Robert Osfield <robert.osfield at gmail.com>
wrote:

> Hi Jason,
>
> On Wed, May 28, 2008 at 5:48 PM, Jason Beverage <jasonbeverage at gmail.com>
> wrote:
> > Did you ever find a fix for this issue?  I believe I might be running
> into
> > the same problem.
>
> There is still a problem with the set up of events within
> CompositeViewer with certainly window/camera combinations, it almost
> works, but not quite precisely as it should.   One can see an artefact
> in when running:
>
>   osgcompositeviewer cow.osg
>
> Try using the trackball manipulator in the lower right cow view.  The
> mouse interactive doesn't quite behave as it should suggesting that
> the x,y projected into the local view aren't correct.   I haven't
> looked at this issue recently, but the last time I looked I couldn't
> spot the cause.  I really need to just spend a day going through the
> code with a fine tooth comb to spot what is happening to the mouse
> events as they are processed.  Events needs to be processed by the
> CompositeViewer as it has to decide event focus to the correct view,
> then handle slave cameras etc, to projected the mouse coords into a
> consistent coordinate frame for a single view - it's a lot more
> complex that one would at first expect, the internal complexity comes
> from hiding the actual complexity of the setup.
>
> I can't tackle this bug hunt right away as I've already spent most of
> this week on submissions/bug fixing and need to get on with other
> work...   I'll try to make time to resolve this next week.  Ping me
> next week if I haven't started work on it.
>
> Robert.
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>
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