 | | Re: Tangent between two circles in 3D space?
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(...) Don, this is what I do for planar rubber bands and it works great if the two pulleys are in the same plane. But I can imagine a four pulley configuration where the first pulley is parallel to the YZ plane, the second pulley is parallel to the (...) (22 years ago, 21-Jan-03, to lugnet.cad.dev)
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| | Re: Tangent between two circles in 3D space?
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(...) It sounds like you want the intersection point of the 2nd circle with the plane of the first circle. I guess that should be exactly one point unless they're in the same plane. However, I don't see how the rubber band gets back to the first (...) (22 years ago, 21-Jan-03, to lugnet.cad.dev)
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| | Re: Wenn Lugnet.loc.de unerreichbar
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In lugnet.loc.de, Johannes Koehler writes: N'abend! (oder schönen späten Nachmittag? - kann mich zu nichts durchringen heute...) (...) Ich bin mir recht sicher, das würde dankbar aufgenommen! (...) Todd hat sich ja eh ziemlich von Lugnet (...) (22 years ago, 21-Jan-03, to lugnet.loc.de)
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| | Re: Immer noch wahr: Ist ja schon vorbei - Xmas 2002.
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Hallo! [Chat-Log] (...) - (...) ...und anderen. Aber dazu ist René eventuell nicht Insider genug auf (URL) ? Tschüß Jojo Langsam muß man aber doch wieder verstärkt auf die Dots achtgeben. (22 years ago, 21-Jan-03, to lugnet.loc.de)
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| | Re: Wenn Lugnet.loc.de unerreichbar wäre....
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In lugnet.loc.de, Johannes Koehler writes: Prost Nesquik! (...) _Noch keinen_, meinst Du hoffentlich. Willst ja wohl kein 'ewiger' Student bleiben, oder? [lugnet.loc.de.lit] (...) Sind wir uns ja einig und können diesen drögen Ast hier endgültig (...) (22 years ago, 21-Jan-03, to lugnet.loc.de)
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| | Re: Tangent between two circles in 3D space?
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(...) I'm sure you're probably looking for a solution with x,y,z coords, but just in case, the 2D solution is on page 7 of Graphics Gems, and also here: (URL) think you should be able to transform your circles into the x,y plane with one center at (...) (22 years ago, 21-Jan-03, to lugnet.cad.dev)
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| | Re: Wenn 1000steine ../ und überhaupt..
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Hallo! (...) Nana, an uns brauchst Du Deine Launenhaftigkeit aber nicht auszulassen... (...) Nur zu! Der Name der Herkunftsstadt des suspekten Subjekts, welches obskures Objekt Deiner Schmähung ist, ist es alleine schon wert, daß seiner Erwähnung (...) (22 years ago, 21-Jan-03, to lugnet.loc.de)
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| | Re: lsynthcp community development project setup on sourceforge
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Steven, I debated with myself about adding L3PAO, because it certainly has had a positive effect for people who don't like command lines (and even for some of those that do). LPub has all the capabilities of L3PAO plus a *lot* more, so I felt like (...) (22 years ago, 21-Jan-03, to lugnet.cad.dev)
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| | Re: Tangent between two circles in 3D space?
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(...) With two circles in the same plane you can have four possible tangent lines. LSynthcp uses this to calculate straight line segments of rubber bands around pulleys. In 3D space you can have circles that are tangent along one line. Imagine a (...) (22 years ago, 21-Jan-03, to lugnet.cad.dev)
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| | Re: Tangent between two circles in 3D space?
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(...) What have you tried so far? And which tangent? Think about it, there's an infinite number of solutions. Even on a plane there are multiple solutions. Recommendation: start with the book _Computational Geometry in C_ by Joseph O'Rourke. -Erik (22 years ago, 21-Jan-03, to lugnet.cad.dev)
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