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I have a glass with some liquid in it. The glass is a Bezier spline
lathe, and the liquid is a slightly smaller lathe intersected with a
horizontal plane. Now I know I could put a meniscus on the surface with
a torus and some more CSG, but since the liquid is a lathe and I don't
know its diameter at the height I want the surface, I don't know where
to put the torus. So, is there some way to get PoV to evaluate the
Bezier cubic at the desired height and use this to place the torus; even
better, is there an easier way to do the meniscus?
Thanks in advance,
Daniel
--
The most important thing about a programming language is the name. A
language will not succeed without a name. I have recently invented a
very good name and I am looking for a suitable language. -- Knuth
http://people.pwf.cam.ac.uk/dh286/publickey.asc .:. keyid 885b170d
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Daniel Hulme <pov### [at] doublezero uklinuxnet> wrote:
> So, is there some way to get PoV to evaluate the
> Bezier cubic at the desired height and use this to place the torus;
Not AFAIK, but you can use trace() to get the location of the surface
of the lathe at a certain height and use that.
> even
> better, is there an easier way to do the meniscus?
Probably not (at least not with POV-Ray SDL).
--
#macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb M()}}
N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}// - Warp -
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> Not AFAIK, but you can use trace() to get the location of the
> surface of the lathe at a certain height and use that.
Thanks, that works great. Now I just have to get the media to do
sensible things.
Daniel
--
The most important thing about a programming language is the name. A
language will not succeed without a name. I have recently invented a
very good name and I am looking for a suitable language. -- Knuth
http://people.pwf.cam.ac.uk/dh286/publickey.asc .:. keyid 885b170d
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dh286 eh? I'm cgj20, a Churchill mathmo. Know of any other Cambridge pov-ray
users?
-Chris
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> dh286 eh? I'm cgj20, a Churchill mathmo. Know of any other Cambridge
> pov-ray users?
Mark MacKey apparently came to do a PhD in Chemistry, but I emailed him
a few months back and never got a reply. Some of his stuff is at
www.swallowtail.org/gallery/
There must be some more about somewhere...
Daniel
--
The most important thing about a programming language is the name. A
language will not succeed without a name. I have recently invented a
very good name and I am looking for a suitable language. -- Knuth
http://people.pwf.cam.ac.uk/dh286/publickey.asc .:. keyid 885b170d
Post a reply to this message
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