Subject:
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Re: Conditional Ring primitive?
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Newsgroups:
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lugnet.cad
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Date:
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Fri, 12 Dec 2008 21:04:53 GMT
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Viewed:
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6904 times
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In lugnet.cad, Travis Cobbs wrote:
> In lugnet.cad, Philippe Hurbain wrote:
> > > But if you prove me wrong and find a way...
> >
> > Mmhhh... maybe by setting 2 conditional rings on the junction. Each condring
> > would be set between a cylinder and a cone. Scaling the ring would adapt to
> > various cone slopes. Of course 2 rings would be needed, one for converging
> > cones, one for diverging ones.
> >
> > What do you think (except that I'm clear as mud...)
>
> It sounds like it would work, but I'm not sure if people would go for it. Of
> course, if the POTM competitions are anything to go by, you're making a majority
> of the complicated parts right now, so if you go with it, that's probably all we
> need ;-). It would double the number of conditionals anywhere it's used, but we
> already do that with various cylinder and torus primitives, and it's not like
> these kinds of curved surfaces are likely to have a huge impact on most (any?)
> models.
My comment about needing twice the geometry for the edge was based on a
misunderstanding of what you wrote. Based on what I now assume you meant, two
wouldn't be required for each joint. However, your solution would only work if
the cones on either side of the joint had a change of angle that made things
symmetric. I was thinking of having two rings act together to form the edge, in
a similar way that the end of a 1/4 cylinder works right now. I THINK that
could be set up to allow the cones on either side to have arbitrary angles that
don't have to match, but I'd have to think about it more to be sure.
--Travis
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Message is in Reply To:
 | | Re: Conditional Ring primitive?
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| (...) It sounds like it would work, but I'm not sure if people would go for it. Of course, if the POTM competitions are anything to go by, you're making a majority of the complicated parts right now, so if you go with it, that's probably all we need (...) (16 years ago, 12-Dec-08, to lugnet.cad)
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