STEP -- is a standard under development for the transmission of product
data, including as a subset the
description of a mechanical products geometry. It is under development by
the ISO (International Standards Organization); the effort in the US is
coordinated, I believe, by the USPro organization (see
WWW link below). At the current stage of development the most active area
of use is the portion of
STEP known as AP203, which provides a standard way of transmitting solid
model geometry. Most of
the major CAD systems have translators allowing for reading and writing
STEP files (sometimes called
Part 21 files).
Two sites for finding out more:
http://www.scra.org/uspro//
http://www.scra.org/pdesinc.html
A hint: when doing electronic searches it is much more useful to search for
"ISO 10303", another
designation for the STEP standard, as opposed to the word "STEP"
Vince Marchetti
Kshell Analysis
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