Subject:
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Re: View matrix used for default 3D view expressed in LDLite terms
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Newsgroups:
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lugnet.cad.mlcad
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Date:
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Mon, 22 Oct 2001 14:06:10 GMT
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Viewed:
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2838 times
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In lugnet.cad.mlcad, Larry Pieniazek writes:
> In lugnet.cad.mlcad, Tore Eriksson writes:
> > If you look into LDraw.ini, you'll find the post:
> > Natural=0.625,0,1.075,0.5375,1.25,-0.3125,-1.25,0,2.5
> > quite similar to the one you asked about (I call it Larry here):
> > Larry=0.63,0.00,1.08,0.54,1.25,-0.31,-1.25,0.00,2.50
> >
> > They're just differently rounded.
>
> If it's just differently rounded then that's not it. (the one Don gave
> wasn't it either I don't think, the initial rotation should be 45 degrees
> rather than 60, I think... )
Yeah, you're right, it looks more like a 45 degree turn followed by about
a 23 degree tilt. Try this:
-A0.707104,0,0.707104,0.276288,0.920505,-0.276288,-0.650895,0.390731,0.650895
> If I could get MLCad to tell me what matrix it was using for a rotation I'd
> get at it that way. Does anyone know how to get it to do that?
>
> But the default 3D view that MLCad uses is not Natural, it's something else.
> Either that or LDLite is introducing distortion somewhere in the render.
>
> I am trying to render something in LDLite that will have exactly the same
> orientation (and shape squishing, if any) as when I rendered it in MLCad. If
> I can't get the orientation the same it will be a much more extensive edit
> of the document (30 pages worth) that uses the images...
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