[X3D-Public] implementing stereo display

Charles P. Lamb CLamb at acm.org
Tue Sep 13 20:17:58 PDT 2011

Lately, I've been thinking about how to best produce stereo imagery using X3D.  I've noticed that FreeWRL does it all in the browser.  I'm wondering if a better approach is to have two active viewpoint nodes--one mapped to the browser left image display and one to the browser right image display.  This will allow for more flexibility.

The problem is that at least one of the parameters belongs in both the browser side and in the scene side.  Although the lines of sight are almost always set as parallel I can imagine a user wanting to experiment with non-parallel lines of sight.  I can see the inter-aperture distance changed within the scene as a creative decision.  However, the intra-aperture distance will also need to be changed based on the size of the display and the distance to the viewer.

Anyone have any other thoughts?

Charles P. Lamb
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