I thought the approach was not to have multiple parents, but to render into an image.
On Jul 25, 2013, at 5:26 PM, Chien Yang <chien.y...@oracle.com> wrote: > We don't support sharable Node. Some one will have to do the cloning of the > scenegraph, either the application or JavaFX. Now I may have opened a can of > worms. ;-) > > - Chien > > On 7/25/2013 5:20 PM, Richard Bair wrote: >> Having to clone the nodes hardly seems like simultaneous viewing from >> different points of view? >> >> On Jul 25, 2013, at 5:17 PM, Chien Yang <chien.y...@oracle.com> wrote: >> >>> Hi August, >>> >>> We did talk through some use cases such as PIP and rear view mirror. >>> You can do simultaneous viewing from different points of view into a single >>> 3D scene via the use of SubScenes. The key point, as you have clearly >>> stated, is the need to clone the scene graph nodes per SubScene. >>> >>> - Chien >>> >>> On 7/25/2013 10:37 AM, Richard Bair wrote: >>>> Hi August, >>>> >>>>>> "I think we already do multiple active cameras?" >>>>>> >>>>>> More precisely: simultaneous viewing from different points of view into >>>>>> a single 3D scene graph was meant, i.e. several cameras are attached to >>>>>> one scene graph. >>>>>> A SubScene has exactly one camera attached which renders the associated >>>>>> scene graph into the corresponding SubScene's rectangle. Implementing >>>>>> simultaneous viewing requires a cloned 3D scene graph for the second, >>>>>> third, and so on SubScene/Camera. Material, Mesh, and Image objects can >>>>>> be re-used because they are shareable. Animations of Nodes' Transforms >>>>>> seem to be shareable as well. But Transitions (Rotate, Scale, Translate) >>>>>> have to be cloned because they operate on a Node's methods directly. So, >>>>>> simultaneous viewing seems practicable. >>>> Jasper or Kevin will have to comment, but I know this scenario was talked >>>> about extensively in the design for the renderToImage and cameras, and I >>>> thought this was possible today. >>>> >
