Re: File Size Tricks?
Tom Gaskins (tag@hpcvusm.cv.hp.com)
Tue, 17 Oct 1995 16:24:56 -0700
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James Waldrop: "Re: File Size Tricks?"
>Avoid shipping normals around the net; wherever possible, let the
>browser generate them automatically.
Whoa! Vertex normals aren't extraneous information that can be recalculated.
They define the lighted shape of the model, and can be calculated accurately
only from the original geometry the VRML IndexedFaceSet is approximating.
Models that want to be lit should include them.
Perhaps the VAG could assemble a real and accepted list of guidelines for
achieving performance and decreasing file-size.
Tom
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