Skip to main content

NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.

Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.

U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

NIST Interagency/Internal Report (NISTIR)

QDES User

Author(s)
Steve Clark
QDES, the Quick-and-Dirty Editor for STEP, is intended to provide a temporary facility for adding tolerancing and other data to a PDES geometric model. The

NIST Express Working Form Programmer

Author(s)
Steve Clark
The Product Data Exchange Specification (PDES) is an emerging standard for the exchange of product information among various manufacturing applications. PDES

QDES Administrative Guide

Author(s)
Steve Clark
The Quick-n-Dirty Editor for STEP (QDES) is prototype editor for STEP product models. QDES is distributed with the NIST PDES Toolkit. This document provides an

NIST STEP Working Form Programmer

Author(s)
Steve Clark
The NIST STEP physical file parser, and its associated STEP parser, STEPparser, are Public Domain tools for manipulating product models stored in the STEP

National PDES Testbed Strategic Plan 1990

Author(s)
Charles R. McLean
This document present a long range strategic plan for the National PDES Testbed at the National Institute of Standards and Technology (NIST). The Testbed was

Development Plan: Product Data Exchange Network

Author(s)
Simon P. Frechette, Kevin K. Jurrens
This document describes a plan to develop a product data exchange network to serve the needs of both international and national PDES/STEP efforts. The Product

The NIST PDES Toolkit: Technical Fundamentals

Author(s)
Steve Clark
The NIST PDES Toolkit provides a set of software tools for manipulating Express information models and STEP product models. It is a research-oriented toolkit

Translating Express to SQL: A User

Author(s)
Katherine C. Morris
This document describes the procedure used by the fedex sql software to translate an Express schema into the SQL statements which generate a relational database

Fed-X: The NIST Express Translator

Author(s)
Steve Clark
Fed-X, the NIST (Federal) Express Translator, and the associated Express Working Form, are Public Domain tools for manipulating information models written in
Was this page helpful?