Subject:
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Re: LDGLite bug report (and POV preview question)
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Newsgroups:
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lugnet.cad.dev
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Date:
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Thu, 6 Sep 2001 19:53:56 GMT
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Viewed:
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790 times
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Should we change the default view to be something that is (what
is the word..."only made from rotation matricies and does not
produce shearing"? det(A)=1?). It bugs me that the default is flawed
that way, although there are some other shear-producing projections
that make measurements easy.
-gyug
In lugnet.cad.dev, Don Heyse writes:
> Yeah, I played with this in ldglite at one time. I found some nice
> quaternion camera moving code and pasted it in. I kept it separate
> from the ldraw view matrix though because at that time I didn't know
> what to do about the shearing in the default view.
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Message has 1 Reply:
 | | Re: LDGLite bug report (and POV preview question)
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| (...) How about if we just separate the shearing "oblique" projection transformation from the underlying modeling transformation? I'd be happy using this for the default matrix. 0.707104,0,0.707104,...5,0.612372 I think it's a 45 degree spin and a (...) (23 years ago, 6-Sep-01, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: LDGLite bug report (and POV preview question)
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| (...) I'm not sure if I *want* to do this, I was just asking if it would be useful. I asked because I already added -cc and -ca (not sure what -cla is) to ldglite so I could move the camera enough to test my recent bug fixes. Since I tend to add (...) (23 years ago, 6-Sep-01, to lugnet.cad.dev)
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