Robert, Thanks for the tips. After experimenting with the code in the osghud example, I was finally able to get a basic version of what I wanted working with the CompositeViewer.
However, I now have another question. I want to be able to take a screenshot of the entire screen. I currently have a PostDrawCallback that successfully takes a screenshot, but since this callback is set on the main scene's camera, it only takes a screenshot of the main scene (and doesn't include the contents of the additional view/camera in the corner). The setPostDrawCallback method is only available from osg::Camera Is there a way to remedy this? Or am I going to have to write code to individually screenshot every camera in the CompositeViewer and then stitch together and overlay each into a single screenshot? Thanks again, Michael Robert Osfield wrote: > Hi Michael, > > osgViewer::CompositeViewer is the appropriate tool for this type of > work, although you can use a slave camera in osgViewer::Viewer to as > well, but this isn't as logically clean. The osghud examples provide > a range of examples of use of an iscene graph camera, a slave camera, > and a separate view - its for doing a HUD but the ideas are similar. > > As to why it isn't working for you, but best guess is that there is a > rendering order issue with the cameras - the full screen view > rendering after the insert view. osg::Camera has support for > specifying the rendering order, so try something like > > insert_camera->setRenderOrder(osg::Camera::POST_RENDER); > > You can also provide an int to setRenderOrder as a second parameter to > help differentiate between multiple post/pre draw cameras. > > Robert. _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
