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Zpan Stair Dimensions macro

Last updated June 26, 2017 by Tekla Support US tekla.support.us@trimble.com

Software version: 
Not version-specific
United States (Imperial)
United States (Metric)

Zpan Stair Dimensions macro


To use the applicationpart of Tekla Structures functionality that is developed in order to extend the capability of Tekla Structures but that is not included in the Tekla Structures installation


  1. Create a Stair Assembly drawingdrawing that shows fabrication information for a basic or a nested assembly, including bolts and welds, and that is generally used at the workshop

    Assembly drawings show how parts are located in an assembly. They contain the parts of the assembly presented in one or more views.

    using the Stairs_with_BOM Assembly drawing properties.

  2. Open up the Application & Components side panel in Tekla Structures.

  3. Double-click the ZPan Stair Dimensions icon in the list.

  4. You will be prompted to pick the following points

a. Left Nosing

b. Left End of main Stringer

c. Right Nosing

d. Right End of main Stringer

  1. As Dimensions are applied you will see some additional Messages:

a. Adding Tread Running Dimensions

b. Adding Dimensions to locate a connection part left side

c. Adding Dimensions to locate a connection part right side

d. Adding Tread Depth Dimension


You can modify which polybeampart of a certain shape that is created as a continuous chain of beams passing through points that the user picks

The segments of the polybeam are straight, but segment intersections can be curved. For example, a beam that follows a zigzag line is a polybeam.

type part the program recognizes as the ‘Treads’ by setting the name property within the Zpan Stair Dimensions.cs file. To edit the file choose NotePad or WordPad if you don’t have Visual Studio on your computer.
The names of the saved away dimension attributes/settings used by the macrosaved series of actions that includes instructions for a program

Macros are located in the applications and components catalog. They are recorded or created manually and stored as .cs file in a folder defined with the advanced option XS_MACRO_DIRECTORY.

Macros can, for example, be used for creating drawings or reports.

Macros are sometimes used to run an application.

can be changed.
Lastly, the messagebox and point picking prompts can be localized or customized to your local language by editing the Zpan Stair Dimensions.cs file.

Additional information

  • The program is currently designed to work for Zpan stairs most likely created by the S74 stair macro within the Tekla Structures model.
  • What the macro adds to the drawing

Starting in v21.1, the above Macro is available in all US Environment Roles

  • Cast In Place (hidden)

  • Engineering (hidden)

  • Precast Detailing (hidden)

  • Steel Detailing

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by Lem Gaswint

This is a great extension. Thanks very much!