 | | Matrix mirroring question —Travis Cobbs
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| | | This question is mostly directed a developers that have had to deal with mirroring while processing LDraw files, but I welcome comments from anyone. It seems to me that any model specified with a mirror matrix will be mirrored relative to its parent (...) (20 years ago, 21-Jan-04, to lugnet.cad.dev)
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| | | | | Re: Matrix mirroring question —Lars C. Hassing
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| | | | (...) Since det(AB)=det(A)det(B) I don't think it matters whether you check the determinant (mirroring) at each level or the final level. Too bad you didn't add a comment in your old code :-) I often beat myself for not adding more elaborate (...) (20 years ago, 27-Jan-04, to lugnet.cad.dev)
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| | | | | | Re: Matrix mirroring question —Travis Cobbs
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| | | | (...) Thanks. I implemented it that way, and it seems to be working so far, so I believe that everything is fine. (...) You're too right. Unfortunately, I can go for a while and do a really good job of commenting, and then I'll slack off for one (...) (20 years ago, 29-Jan-04, to lugnet.cad.dev)
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