ViewpointGroupPrototype.x3d
ViewpointGroup contains Viewpoint and ViewpointGroup nodes, allowing nested lists and viewpoint scoping in viewpoint lists. This is a developmental example for potential specification improvement. It is needed because (a) currently specified rules for X3D/VRML node binding state that behavior of child Viewpoints beneath Switch/LOD/etc. is undefined, and (b) browser viewpoint list display behavior is undefined.
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