Create an interactive model viewer bound to a live <canvas>. If WebGL is unavailable the handle is
still returned but inert; it emits a renderer-unsupported event (flushed to the first onEvent
subscriber) so the consumer can fall back to a renderModelStill image (DD-021 §6).
Create an interactive model viewer bound to a live
<canvas>. If WebGL is unavailable the handle is still returned but inert; it emits arenderer-unsupportedevent (flushed to the firstonEventsubscriber) so the consumer can fall back to arenderModelStillimage (DD-021 §6).