Re: 2.5D Systems

From: Greg Pettengill (greg_p@indirect.com)
Date: Mon Jul 01 1996 - 23:48:42 EEST

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Heinz Stucki wrote:
>
> Dear all
>
> In Paul Jacobs RP&M book, G.O.Floyd writes:
>
> [...] CAD systems come in many forms:
> 1. Two dimensional-[...]
> 2. Two-and-a-half dimensional-several 2D drawings linked together. Data
> storage is similar to item 1, with the addition of data constructs which
> define how the various drawings link together.
> 3. [...]
>
> I also heared the term 2.5D describing slice-by-slice RP or milling machines.
> My question is:
> Is 2.5D a standard engineering term for slice-by-slice data or machining?
> In computer graphics the term 2.5D means a set of points in the plane along
> with an elevation at each point.
>
> Heinz

I was a little disappointed when I read your posting, from the subject
I thought Aaaah! here comes a good slam for 3D Systems Inc.:-)

But to answer your question, I don't think there is really any
"standard engineering term" 2-1/2D (2.5D), it's just one of those
things that the guys out in the shop say...

-- Greg Pettengill greg_p@indirect.com

I do not know if it is true, but I imagine that there are scientists who, by following the paths of the so-called "cold" intellect -possibly without being aware of it- are plumbing the depths of a mystery rather than searching for the solution to a problem... M.C. Escher http://www.indirect.com/www/greg_p/index.html

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