2019i Table of Contents

Add elevation dimensions

Last updated September 10, 2019 by Tekla User Assistance tekla.documentation@trimble.com

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Add elevation dimensions

Add elevation dimensions

You can add elevation dimensions (level marks) in your drawings for the start and end points of parts in integrated dimensioning. Tekla Structures dimensions elevations relative to a reference pointpoint that Tekla Structures creates when the user creates a model object, the point being visualized as a handle

The reference points follow the model object if it is moved. They are only deleted if the related model object is deleted.

Reference points can be selected as snap points in a snap switch.

, which you can change.

For example, if the elevation is 5000 mm, and you set the reference point to 200, the elevation changes to 4800 mm. You can also change the elevation dimension prefix, which in the English version is EL by default.

To change the reference point and create elevation dimensions using another prefix:

  1. Go to the Position dimensions tab, and set Elevation dimensions to On.
  2. Click OK.
  3. In the drawing properties dialog box, click View > Attributes 2 .
  4. Do one of the following:
    • To use a specific value, select Specified from the Datum point for elevations list and enter a value in the Datum level box.

    • To measure elevations relative to the view planeplane in a space that defines the view

      In Tekla Structures, the grids are projected onto the view plane and the grid lines can be visible on it.

      View depth is defined starting from the view plane.

      , select view plane from the Datum point for elevations list.

  5. Save the drawing properties and create the drawing.
  6. To change the prefix, open the dim_operation.ail file in a text editor that supports UTF-8 coding. Recommended editors are Visual Studio and Notepad++.

    This file is located in the Tekla Structures/<version>/messages/ folder. Replace EL with a new prefix on the following line in the file:

    string dim_operation_dim_elevation_prefix{entry = ("enu", "EL");};


Shorteningdeforming that decreases the modeled length of a part in a drawing by a value the user has entered

Shortening is used when the parts are manufactured shorter than modeled.

value added in the user-defined properties of a part affects also elevation dimensions.



Tekla Structures creates elevation dimensions for skew parts only if the parts are in the same position in the drawing as they are in the model. This means that the coordinate system must be set to model.

If you are using local , oriented , or brace coordinate systems, Tekla Structures does not draw the elevation dimensions for skewed parts by default. If you want to create elevation dimensions, set the advanced option XS_​DRAW_​SKEWED_​ELEVATIONS to TRUE in File menu > Settings > Advanced options > Dimensioning: Parts . See below for an example of an elevation dimension for a skew part.

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