Hello Jean-Sébastien, I guess it wouldn't work, because I use the setUpViewerAsEmbeddedInWindow(...)-Method of the osgViewer::Viewer. The composite viewer don't have this function.
Cheers Martin -------- Original-Nachricht -------- > Datum: Wed, 03 Nov 2010 10:45:46 -0400 > Von: "Jean-Sébastien Guay" <jean-sebastien.g...@cm-labs.com> > An: OpenSceneGraph Users <osg-users@lists.openscenegraph.org> > Betreff: Re: [osg-users] How can I calculate a matrix via a MatrixManipulator > Hello Martin, > > > Yes I know, but I won't to use the CompositeViewer. Because I will use > this feature in the gtk embedded viewer. > > CompositeViewer and embedded graphics contexts are two separate things. > You can still use a CompositeViewer even if you use an embedded graphics > context. > > In your case, I assume you're using a single window with multiple views > overlaid over the main one? You could create multiple osgViewer::Views, > then set the same GraphicsContext (GraphicsWindowEmbedded in your case I > guess) on all the views' main cameras. Then set a different > CameraManipulator on each view and you're set. > > Having now looked at the osgviewerGTK code, I see it has a class > OSGGTKDrawingArea that derives from osgViewer::Viewer. That strikes me > as unnecessary coupling, but I've only looked at the code quickly, so I > don't know the details. You could make this derive from CompositeViewer > instead. I don't know what it uses from osgViewer::Viewer - perhaps > instead of deriving, it could have a pointer to an osgViewer::ViewerBase > instead? Then it would be independent of the viewer type. > > Anyways, I can imagine it's probably more work than what you want to do, > but CompositeViewer is the tool you need, so using things as designed > will be more future-proof. Alternatively calling getInverseMatrix() and > setting that matrix on the camera you want might work, or might not. Or > just don't use a camera manipulator and write your own event handler > that will manipulate the camera's view matrix. > > Hope this helps, > > J-S > -- > ______________________________________________________ > Jean-Sebastien Guay jean-sebastien.g...@cm-labs.com > http://www.cm-labs.com/ > http://whitestar02.webhop.org/ > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Neu: GMX De-Mail - Einfach wie E-Mail, sicher wie ein Brief! Jetzt De-Mail-Adresse reservieren: http://portal.gmx.net/de/go/demail _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
