Do either of the following:

• Go to the File menu, and select Import > Insert reference model.

• Click the Reference Models button in the side pane on the right side of the Tekla Structures main window.

• Click the eye button next to the model you want to hide.

  The button changes to and the reference model is hidden in the 3D view.

• Click the eye button again to show the model.

• Click the eye button next to the group you want to hide. The group eye button and the reference model eye buttons all change to , and all the reference models included in the group are hidden in the Tekla Structures model.
• Click the eye button again to show all the models in the group.
• If a group contains both hidden and visible models, the eye button for the group looks like this .
• If there are no reference models in a group, the eye button looks like this .

• Click the reference model in the Reference Models list.

• Double-click the reference model in the Reference Models list.

1. Double-click the reference model in the Reference Models list.
2. Ensure that the Select assemblies selection switch (for assemblies) or Select objects in assemblies selection switch (for parts) is active.
3. Point the reference model in the model view, hold down Shift and scroll to the hierarchy level where the desired reference model object is located.
4. Point the object and double-click it to open the reference model object details.

• In the reference model details, enter the desired value in the Rotation box. You can also pick the rotation.

1. Double-click the reference model in the Reference Models list to open the details.
2. Click the small arrow on the Layers row to show the list of layers.
3. You can show and hide individual layers or all layers:
   • To hide all layers, click the eye button on the Layers row.
   • To hide individual layers, click the eye buttons of the individual layers.
   • To hide several layers, holding down Ctrl, click the desired layers and then click the eye button of one of the selected layers.
   • If the Layers list contains both hidden and visible layers, the eye button for the Layers row looks like this .
   • If you hide all layers, the eye button for the Layers row changes to .
   • If you hide individual layers, the eye button for the hidden layers changes to .

Note that layer visibilities do not affect model visibility, which means that the model eye icon is visible even though all layers are hidden.

For details about change detection, see Detect changes between reference model versions.

For details about comparison sets, see Define a comparison set for reference model change detection.

• If the file name or path has not changed, open the Reference Models list and click the Refresh button.

  All models that are not up to date are reloaded. If a reference model is not found, a warning sign is displayed.

• If the file name or path has not changed, open reference model details, browse for the new file and click Modify.

You can also refresh locked reference models, if you have set the advanced option XS_REFRESH_ALSO_LOCKED_REFERENCE_MODELS to TRUE in File > Settings > Advanced options > Import.

1. Select the reference model in the Reference Models and click the Refresh button.
2. In the displayed message box, select Selected.

1. Double-click the reference model in the Reference Models list to open the details.
2. Click the Refresh button.

   If the original model path model is found, and the model has changed, the model is reloaded. A warning sign is displayed if the reference model is not found and data needed to draw the model is missing.

• Hold down Ctrl and click the Refresh button.

  You need to do this when you have changed the LargeTessellationPerCircle setting in the TrimBimPlugin.config, for example. The default value is 192, and if you have problems with the performance, you can decrease the value in TrimBimPlugin.config, which is located in the .bin\plugins\referenceplugins\trimbim folder. Changing this setting affects all new inserted and updated reference models.

1. Double-click the reference model in the Reference Models list to open the details.
2. Click the small arrow on the User-defined attributes row to show the list of user-defined attributes.
3. The user-defined attributes that are specified for reference models in the objects.inp file are listed in the User-defined attributes list. Enter or select a value from the list. By default, the objects.inp is located in ..\ProgramData\Trimble\Tekla Structures\<version>\environments\common\inp. You may also have some objects.inp files that you modify and keep in firm or project folders. These files are read in certain order.

Clip reference models only with clip plane tool

Set the advanced optionXS_DO_NOT_CLIP_NATIVE_OBJECTS_WITH_CLIP_PLANE to TRUE to only clip reference models and point clouds with the clip plane tool. If you do this, the native objects are not clipped.

Redraw the model views after changing the value.

This advanced option is located in the Model views category in the Advanced options dialog box.