Subject:
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Re: Quick way to mirror-image a model?
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Newsgroups:
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lugnet.cad, lugnet.cad.mlcad
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Date:
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Thu, 24 Jun 2004 20:33:22 GMT
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Viewed:
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682 times
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Hi Don,
now it's getting interesting ...
"Don Heyse" <dheyse@hotmail.spam.go.away.com> schrieb im Newsbeitrag
news:HzrwBF.9t2@lugnet.com...
<SNIP>
> Line type 1's format is:
>
> Line Format:
> 1 colour x y z a b c d e f g h i part.dat
>
> Fields a through i are orientation & scaling parameters, which can be
> used in 'standard' 3D transformation matrices. Fields x, y and z also
> fit into this matrix:
>
> | a d g 0 |
> | b e h 0 |
> | c f i 0 |
> | x y z 1 |
I'm actually reading it in as
| a b c |
| d e f |
| g h i |
and that is also how I'm writing my matrixes of meta commands ....
if that is wrong, why do I not have any problem when reading files?!?!?!? -
I'm a bit confused now ...
<SNIP>
> Here's what MLCAD.INI says:
Please read also the specification of MLCad extensions in the developer
section of my web-pages. It explains nearly everything. - except the read
order shown above.
Regards,
Michael
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Message is in Reply To:
| | Re: Quick way to mirror-image a model?
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| (...) Yes, that looks right. The other thing that messes me up with LDRAW matrices is the row, column ordering. The ordering in LDRAW files is not what I would have chosen, so I always have to look it up. From the old FAQ: (URL) type 1's format is: (...) (20 years ago, 23-Jun-04, to lugnet.cad, lugnet.cad.mlcad)
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