Subject:
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Re: Parts with odd angles
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Newsgroups:
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lugnet.cad.dev
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Date:
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Thu, 15 Jul 1999 17:23:39 GMT
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Reply-To:
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jsproat@ioSAYNOTOSPAM.com
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Viewed:
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1188 times
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Sproaticus wrote:
> Terry K wrote:
> > On Wed, 14 Jul 1999 16:10:33 GMT, Sproaticus <jsproat@io.com> wrote:
> > > "Fredrik Glöckner" wrote:
> > > > Thanks, I'll compile a list of the parts I've had the need for some
> > > > angle to use and send it to you.
> > > I'm probably stating the obvious here, but... Please also include the
> > > coordinates for the pivot as well as the angle.
> > Not obvious to me. Clarify what you mean a little.
> Okay. In order to pivot a piece, you need two pieces of information: the
> *angle* of rotation, and the *axis* of rotation. Given one, it's a little
> work to figure out the other.
Note that the angle and axis of rotation can be wrapped up nicely in a LDraw
matrix -- suppose we supply this data as a preformatted matrix? Thus, a
Technic Motorcycle Pivot Rotation Guide would be an LDraw line with the
proper rotation matrix and a dummy part; the user would paste this line into
the model and line it up with the Technic Motorcycle Pivot.
i.e. If you have the Technic Motorcycle Pivot, you just copy & paste the
Techinc Motorcycle Pivot Rotation Guide after it. Then, you line it up with
the Technic Motorcycle Pivot and change its partname to the part you need at
that funky angle.
Cheers,
- jsproat
--
Jeremy H. Sproat <jsproat@io.com>
http://www.io.com/~jsproat
Darth Maul Lives
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Message is in Reply To:
 | | Re: Parts with odd angles
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| (...) Okay. In order to pivot a piece, you need two pieces of information: the *angle* of rotation, and the *axis* of rotation. Given one, it's a little work to figure out the other. Cheers, - jsproat (25 years ago, 15-Jul-99, to lugnet.cad.dev)
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