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Added April 04, 2013 | Last updated January 01, 2014 by Tekla User Assistance BetC_documentation@tekla.com

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For SDNF, SDNF(PDMS), or PDMS output formats, use the following options on the SDNF tab.



SDNF version number

Select the SDNF version to be used in the export.

Apply cuts and fittings

Select Yes (default) applies cuts and fittings in the export.

Position number type

The SDNF file contains identifiers, which can be included in a part’s user-defined attributes, or as position numbers. You have the following options:

  • Part position

    The identifier becomes the part’s position number. Do not use the Part Pos_No fields with this option.

  • Assembly position

    The identifier becomes the assembly’s position number.

  • Universal ID

    The identifier becomes a user-defined attribute for the part.

To make user-defined attributes visible, you need to add them to the objects.inp file. For more information on defining attributes in objects.inp, see Adding properties.

Consider offsets

To ignore the offset records during export, select No, and to take them into account, select Yes.

This setting does not affect the actual start and end point information, only the offset. Tekla Structures writes the start and end points based on the actual solid, not on the reference line.

PDMS phase offset

PDMS phase offset defines phase offset for exported parts. For example, if the first phase in Tekla Structures model is 1 and you enter 10 for phase offset, the Tekla Structures parts in another software get the phase 11 and up.

Engineering Firm

Enter the name of the engineering firm.


Enter the name of the client.

Structure ID

Enter a unique identification number for the exported model.

Project ID

Enter a unique identification number for the exported project.

Revision Number

Enter a revision number (optional). Tekla Structures takes the revision number from the user-defined attributes (REVISION_NUMBER) of the model. If this field is blank, Tekla Structures uses a revision number from the CAD export dialog box (Revision Number).

Issue Code

Tekla Structures writes the issue code in the header section of the output file. For PDMS, this value should always be "Tekla Structures".

Design Code

Define the design code to be used in structural design. For more information, see Design codes and methods.