Early CAD and 3D Modeling 1985 and before?
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Early CAD and 3D Modeling 1985 and before?

 
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Greg
Guest
Posted: Mon Jan 24, 2005 8:03 am    Post subject: Early CAD and 3D Modeling 1985 and before? Reply with quote
I have been reading papers lately on the early history of computer
panning/zooming around the 3D models. I'm really interested in the
period before 1985.

The papers I have been reading store the data in a matrix then use an
algorithm to do the transform and produce a new set of 3D coordinates
to render the image.

This type of thing is now routinely done in CAD programs and in
computer/video games.

Could anyone here suggest the seminal papers or really complete reviews
on the subject circa 1985 or before?

Thank you so much.

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Hal Murray
Guest
Posted: Mon Jan 24, 2005 9:13 am    Post subject: Re: Early CAD and 3D Modeling 1985 and before? Reply with quote
In article <1106532219.240538.56400@c13g2000cwb.googlegroups.com>,
"Greg" <lextalionis@gmail.com> writes:
Quote:
I have been reading papers lately on the early history of computer
panning/zooming around the 3D models. I'm really interested in the
period before 1985.

The papers I have been reading store the data in a matrix then use an
algorithm to do the transform and produce a new set of 3D coordinates
to render the image.

The ESL "Kludge" display system on the 7094 at MIT's Project MAC/CTSS
was a line drawing (vector) display system rather than a raster
scan system. It had a matrix multiply between the line drawing
hardware and the display hardware. You could rotate (and scale)
the wire-stick models by just updating the matrix rather than
the whole display list.

That was mid 1960s.

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Greg
Guest
Posted: Mon Jan 24, 2005 9:49 pm    Post subject: Re: Early CAD and 3D Modeling 1985 and before? Reply with quote
That is great information. I found a wonderful site about that. Thank
you.

I was really hoping for a paper that showed the state of the art around
80-83 if anyone has additional ideas.

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