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X3D: behind-the-scenes

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Here is a look at the 3d technology which drives vrmath behind the scenes. It is called X3D and has its own web site. Understanding this technology not only helps in how vrmath extends turtle graphics into 3d but opens the door to a large world of virtual reality in general (x3dom, web3d). It turns out that the vrmath editor is itself a good tool to get to know X3D. Here is how.

aplesch's picture

smoother gears

smoother tooth

Trying to get a smoother appearance for the curved gear teeth involves lessons both in logo programming and in the underlying 3d display technology.