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htmlx3dom

x3dom artefact rendering

I'm just discovering X3DOM and playing with it. I have draw a chair with sketchup and converted to x3d with meshlab. I'm using the "html5" syntax to write my page. Depending on "something" I have diferent rendering and I don't know what.

Rendering I consider ok: http://aws.ysagon.com/x3d/x3dom/ok.html

Rendering I consider not ok: http://aws.ysagon.com/x3d/x3dom/bad.html

What bother me is that the one I consider ok is the one with html error (the tag <Coordinate> is self closed and should not). In the bad example, the tag is not self closed.

Can someone please explain me why it seems to have two rendering mode?

Thanks!

Solution

  • Ok I figured out what was the problem. When there is a syntax error in my html file, the <Normal vector" ..."> isn't used and in my case without this vector the rendering appears better. I now have to figure why!

    edit:

    The normal vector was "wrong" (at least for x3dom). Generating a correct normal vector along with the object did the trick. So it seems it's better to have no normal than a "bad" normal.