Subject:
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Re: LD-Lite Rotation Matrices?
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Newsgroups:
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lugnet.cad
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Date:
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Wed, 8 May 2002 13:27:16 GMT
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Viewed:
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441 times
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In lugnet.cad, Mike Walsh writes:
> I have been using a matrix (-a-1,0,1,-0.5,-1,-0.5,1,0,1) for rendering
> upside down images with LD-Lite. It works fine with one issue: The rendered
> image is also rotated 180 degrees around the Y axis (assuming X horizontal,
> Y vertical, and Z out of the page). Anyone have a matrix that will turn the
> image upside down without rotating it?
>
> I did a search of the lugnet.cad.* hierarchy and while I found lots of
> discussion rotation matrices, I didn't find an answer to this question.
How about this?
ldglite -v3 -a-1,0,-1,0.5,-1,-0.5,-1,0,0 file.dat
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Message has 1 Reply:
 | | Re: LD-Lite Rotation Matrices?
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| "Don Heyse" <dheyse@hotmail.spam....away.com> wrote in message news:Gvso1G.9w5@lugnet.com... (...) rendered (...) horizontal, (...) the (...) That is very close to what I am looking for, it just needs an additonal rotation. Take a look at this (...) (22 years ago, 8-May-02, to lugnet.cad)
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Message is in Reply To:
| | LD-Lite Rotation Matrices?
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| I have been using a matrix (-a-1,0,1,-0.5,-1,-0.5,1,0,1) for rendering upside down images with LD-Lite. It works fine with one issue: The rendered image is also rotated 180 degrees around the Y axis (assuming X horizontal, Y vertical, and Z out of (...) (22 years ago, 8-May-02, to lugnet.cad)
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