2.5D Systems

From: Heinz Stucki (hstucki@josef.ifi.unizh.ch)
Date: Mon Jul 01 1996 - 11:48:24 EEST


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

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