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Gary Williams wrote in message ... (...) a (...) Well, what I meant to say is: Matrices with negative determinants may be used for mirroring a part, BUT the matrix should never be assumed to perform the actual inversion. If a matrix has a negative (...) (26 years ago, 21-Oct-99, to lugnet.cad.dev)
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| | Re: Line in the Sand
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Steve Bliss wrote in message <380e2b8e.12563517@l...et.com>... (...) An orientation matrix doesn't contain enough information to invert an asymmetrical part; if you assume it does, this would result in a part with a mirrored shape. I propose that (...) (26 years ago, 21-Oct-99, to lugnet.cad.dev)
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| | Re: Line in the Sand
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Steve Bliss wrote... (...) Good idea, it's hard to discuss in so many threads. (...) Thank you for the well-written summary. Well-written because I agree with 99% of it ;) (...) Yes, too bad I'm off for an Internet-free :( 4-day week-end at the sea (...) (26 years ago, 21-Oct-99, to lugnet.cad.dev)
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| | Re: Line in the Sand
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(...) I would. This is WAY better than most of the crap requirements I have to rationalize into some semblance of something to keep paying customers happy. Very nice work, Steve. Written in a way that made it understandable to someone that doesn't (...) (26 years ago, 20-Oct-99, to lugnet.cad.dev)
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| | Re: Object Orientation & DAT files & CLIPPING/WINDING [DAT]
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Steve Bliss wrote... (...) "Hey, (...) But it *is* compatible with LDraw! You left out my example (which BTW had the INVERT placed incorrectly :-), so I'll repeat it. stud2.dat is the hollow stud used on technic bricks. It uses two cylinders: 1 16 0 (...) (26 years ago, 20-Oct-99, to lugnet.cad.dev)
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