Special:
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[DAT] (requires LDraw-compatible viewer)
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Subject:
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Re: OK here's the real problem! (Was: Re: Finding a rotation matrix for a triangle)
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Newsgroups:
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lugnet.cad
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Date:
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Tue, 6 Dec 2005 17:03:06 GMT
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Viewed:
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1823 times
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In lugnet.cad, Niels Bugge wrote:
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What I need now, is to turn the edge down at the same angle as the surface of
the quad, and since I don’t want to loose the previous two steps (scaling and
first angling), I have to do it via the rotation vector command in MLCAD “on
top” of them.
As far as I can see, what you’re suggesting is simply to enter a new rotation
matrix via notepad, but that will of course delete the two other nessecary
steps, unless you use a much more complex formula that includes the effect of
all three steps.
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Take the edge line:
1 2 -30 4 10 -3.69552 0 -1.53073 0 1 0 1.53073 0 -3.69552 1-4edge.dat
Put it in a separate subfile. Include that subfile with
no rotation matrix. Now apply a new MLCad rotation to the
subfile. Finally inline the subfile to concatenate the
matrices.
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