Subject:
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Re: Tangent between two circles in 3D space?
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Newsgroups:
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lugnet.cad.dev
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Date:
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Tue, 21 Jan 2003 15:26:40 GMT
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Viewed:
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618 times
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In lugnet.cad.dev, Kevin Clague writes:
> Anyone know how to find out the tangent between two cicles in 3D space?
Wouldn't they have to be on the same plane in order to find the tangency? Or
did you mean the tangency of two spheres?
Steven
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Message has 2 Replies:
 | | 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 (...) (21 years ago, 21-Jan-03, to lugnet.cad.dev)
| | | 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 (...) (21 years ago, 21-Jan-03, to lugnet.cad.dev)
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