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Comparing product structures > Understanding graphical comparisons > Initiating the graphical comparison

Show and hide common parts

Certain common parts may remain unchanged between the two structures. By default, Teamcenter does not display these common parts in the viewer, allowing you to more easily distinguish changed parts. Hiding these common parts also allows Teamcenter to load the assembly more quickly. When required, you can display the common parts to more easily see the changes in context of the larger assembly. To show common parts when required, select the Show Common Parts check box.

Note You can only use common parts if you compare two revisions of the same assembly, not different assemblies. Do not use this option if one assembly is a subassembly of the other assembly in the comparison. To always display common parts, you can change the CM_show_common_parts preference, as follows.

Procedure Choose Edit→Options. Teamcenter displays the Options dialog box. In the dialog box, expand the Change Management folder and click Graphical History. Teamcenter displays the Graphical History Settings pane. In the Graphical History Settings pane, select the Show Common Parts check box. Results Teamcenter now displays common parts during the initial loading of graphical history. If required, you can hide common parts by clearing the box after the history is loaded.

Source: https://docs.sw.siemens.com/documentation/external/PL20251212545240207/en-US/tc_help/pse/xzq1737253370295/ykh1737253372563/bin1737253373203/comp_common_parts.html · retrieved Sat Jul 11 2026 00:00:00 GMT+0000 (Coordinated Universal Time)