Subject:
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Re: Part: Plate 2 x 2 with hand rail
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Newsgroups:
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lugnet.cad
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Date:
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Thu, 1 Apr 1999 01:44:36 GMT
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Viewed:
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1673 times
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On Wed, 31 Mar 1999 22:54:58 GMT, "Tim McSweeney"
<tim##NO_SPAM##@ams.co.nz> wrote:
> > > I only have one issue with it (that I know about), On the diagonal arms, the intersection with torus in the corners is Drawn as a
> > > perfect circle but in fact it should be some sort of funky Ellipse. Is this acceptable as is? if not is there an easy way to
> > > calculate what the correct shape is?
> >
> > Take your circle primitive, and skew it instead of rotating.
> >
> > Instead of
> >
> > 1 16 0 0 0 1 0 0 0 1 0 0 0 1 4-4edge.dat
> >
> > start with
> >
> > 1 16 0 0 0 1 0 0 1 0 0 0 0 1 4-4edge.dat
> >
> > This makes Y the same value as X at all points on the curve. This may not
> > be right, I'm not able to test it right now, you may have to involve the Z
> > component of Y as well.
>
>
> Ok, I'm not sure I understand that 100% but I'll go have a play and see what I can do, It's given me somethign to chew on.
>
> (Time to drag out the graphics text book )
In this case, you're taking a circle and projecting it onto the plane where
X=Y. So the commandline I gave you does exactly that. Makes the X and Y
components exactly the same.
Steve
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Message has 1 Reply:
 | | Re: Part: Plate 2 x 2 with hand rail
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| (...) Ok I think I'm with you, (unfortunately I'm at work so I have to do all this in my head :) The result of the above transformation should be a circle skewed upwards into an ellipse, Seen from above it looks like a circle and seen form along (...) (27 years ago, 1-Apr-99, to lugnet.cad)
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Message is in Reply To:
| | Re: Part: Plate 2 x 2 with hand rail
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| (...) Ok, I'm not sure I understand that 100% but I'll go have a play and see what I can do, It's given me somethign to chew on. (Time to drag out the graphics text book ) Tim (27 years ago, 31-Mar-99, to lugnet.cad)
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