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 | | Re: Line in the Sand
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| (...) Yes. How are you on travel? :-) (25 years ago, 21-Oct-99, to lugnet.cad.dev)
| | | | | Re: Several replies to CLIPPING / WINDING
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| (...) Sorry, you are right here. I allways think in some form of winding (CW or CCW) so this one slipped me, once again sorry, you are right. Can't assume nothing. (...) what I said was relative to my way of thinking, without the previous sentence, (...) (25 years ago, 21-Oct-99, to lugnet.cad.dev)
| | | | | Re: Line in the Sand
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| (...) Thanks. (blushing) Can that be translated into paying work? (...) That's because it's written by someone who keeps the matrix-math reference material very close at hand whenever he's got to actually go under the hood. (...) Issue 1: should the (...) (25 years ago, 21-Oct-99, to lugnet.cad.dev)
| | | | | Re: Object Orientation & DAT files & CLIPPING/WINDING
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| (...) You are right. Or more precisely, I was wrong. Matrix-based *inversions* are not required. But matrix-based mirrorings will be necessary, for asymmetric primitives, like 1-4cyls.dat. (...) I was thinking about some approach that would map (...) (25 years ago, 21-Oct-99, to lugnet.cad.dev)
| | | | | Re: Line in the Sand
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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 (...) (25 years ago, 21-Oct-99, to lugnet.cad.dev)
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