[osg-submissions] Add slave camera

[Robert Osfield]

Hi Filip,

I've just reviewed this fix and its almost indentical to one I have
already checked in.

Cheers
Robert.

On Oct 8, 2007 8:02 AM,  <filip.holm at kongsberg.com> wrote:
> Hi Robert,
>
> I was aware of the binary compatibility breakage, but I got too caught up in the fact that osgViewer::View was the only place with SceneData. Seeing how elegantly it can be done makes me a bit embarrassed, but it also proves how much I have to learn about osg.
>
> There was a small logical error in the loop for adding the children to the slave camera. I've attached the fixed version.
>
> Thanks for this fix, it works great.
>
> Cheers,
> Filip
>
>
> > -----Original Message-----
> > From: osg-submissions-bounces at lists.openscenegraph.org
> > [mailto:osg-submissions-bounces at lists.openscenegraph.org] On
> > Behalf Of Robert Osfield
> > Sent: 6. oktober 2007 16:59
> > To: OpenSceneGraph Submissions
> > Subject: Re: [osg-submissions] Add slave camera
> >
> > Hi Filip,
> >
> > I've been wondering about the issue with binary compatibility
> > - and adding a virtual function breaks binary compatibility
> > which is bad news for 2.2.1.  It occurred to me that the only
> > way not to break binary compatibility would be to modify the
> > existing View::addSlave method so that it copied it's
> > Camera's subgraph from the master Camera's subgraph.
> >
> > I have modified and checked in the modified View.cpp, its
> > also attached.  I didn't have any example code to reproduce
> > the original so could you try at your end?
> >
> > Cheers,
> > Robert.
> >
>
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