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Automatic seam recognition (30)

Last updated March 12, 2019 by Tekla User Assistance tekla.documentation@trimble.com

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Automatic seam recognition (30)

Automatic seam recognition (30)

Automatic seam recognition (30) is used to add predefined custom seams between parallel parts, such as slabs or wallplate that represents a structure such as a wall or roof panel

In Tekla Structures, a panel is created by picking two or more points.

In cast-in-place concrete the term wall refers to a concept similar to panel.

elements. This tool is useful when you add seams for warped floors.

Use for


More information

Use to connect parts with predefined custom seams.

Before you start

Create parallel parts, for example, concrete slabs or walls.

Create custom seam.

Defining properties

Use the tabs in the Automatic seam recognition (30) dialog box to define the following properties:



Seam name

Enter the seam name, or use the browse button (...) to locate the seam in the Select component dialog box.

Seam property file

Enter the name, or use the browse button (...) to locate the name of the seam attribute file (optional).

Seam direction

Select to change the direction.

Seam input part order

Select to reverse the main and secondary part. You may need to change the Seam up direction too.

Seam up direction

Define the direction of the seam.

Re-calculate seam points for

Use to re-calculate the seam points for all parts or only for warped parts.

  • All parts : use for fully or partially warped decks or floors. This option creates all seam points in the same way, no matter, if the slab is warped or not.

  • Warped parts : use for wall panels and other situations, where warping is not used, or the All parts option does not give desired result.

Position of re-calculated points

Control the location of the re-calculated seam points. The options in the list box are same as the circles in the following image.

Selection order

  1. Select the main part(1) part that exists in a building object and that determines the position number for the assembly or cast unit and the direction of assembly or cast unit drawings

    (1) Main part can be an assembly main part or a cast unit main part.

    (2) input part that the user selects first when creating a component

    (2) Connections and details always have a component main part.


  2. Select secondary parts. Click the middle mouse button to create the seams between the parts.

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