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Transformr: A Prototype STEP Exchange File Migration Tool



Steve Clark


This paper is a User's Guide to the Transformr STEP exchange file translation tool. Transformr transforms STEP exchange files between successive versions of their underlying EXPRESS information models. The Transformr Correspondence Specification Language (TCSL), which is used to establish the mapping between these schema versions, is described. The usage of Transformr is also described.
NIST Interagency/Internal Report (NISTIR) - 4944
Report Number


EXPRESS, schema, STEP, Transformr Correspondence Specification Language (TCSL)


Clark, S. (1992), Transformr: A Prototype STEP Exchange File Migration Tool, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed June 20, 2024)


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Created February 1, 1992, Updated November 10, 2018