Subject:
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Mirroring in LDraw (was: Re: what are the rules about hoses etc?)
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Newsgroups:
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lugnet.cad.dev.org.ldraw
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Date:
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Wed, 28 Jul 1999 13:17:25 GMT
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Viewed:
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967 times
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On Mon, 26 Jul 1999 13:56:33 GMT, Bram Lambrecht <braml@juno.com> wrote:
> Let's say the part looks like this:
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> | 1 15 0 0 0 1 0 0 0 1 0 0 0 1 hose.dat
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> to mirror left to right (or right to left), change the line to:
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> | 1 15 0 0 0 -1 0 0 0 1 0 0 0 1 hose.dat
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> It's more complicated if the part is already turned, so it's always a
> good idea to mirror first and then turn.
It's not that much more complicated, as long as you want to mirror across
the *model's* orientation, not the *part's* orientation.
If you've got a part command:
1 15 x y z a b c d e f g h i part.dat
And you want to mirror on X (switch right and left), change x, a, b and c
to negative:
1 15 -x y z -a -b -c d e f g h i part.dat
For Y (vertically), negate y, d, e, and f:
1 15 x -y z a b c -d -e -f g h i part.dat
For Z (front-to-back), negate z, g, h, and i:
1 15 x y -z a b c d e f -g -h -i part.dat
Steve
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Message is in Reply To:
 | | Re: what are the rules about hoses etc?
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| (...) I didn't mean the address, I meant the "Scott R Dennett" bit. I see I was wrong. Do both you and your dad use the same email address? Doesn't that get annoying? (...) read (...) It's not in the tutorial. Let's say the part looks like this: | | (...) (25 years ago, 26-Jul-99, to lugnet.cad.dev.org.ldraw)
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