You have created an assembly view using one specific Level of Detail created in the assembly model.
Then, selecting the assembly under the view in the browser, you select to display the Center of Gravity from the contextual menu.
The position of the Center of Gravity, by the way, is the one of the Master LOD and not of the one you have used for creating the view.
This behavior is “as design”. The Center of Gravity only refers to the Master level of detail representation of the assembly.
LOD is a memory management tool. Although you don't see certain components in a LOD, they still contribute to the mass properties and the CoG.
If you want configurable assemblies with configurable CoG, use iAssemblies instead of LOD.
Alternatively, you can use the following iLogic solution.
- Download and unzip this ILogic Rule to your local drive.
- Create an iLogic rule in your assembly, using the script you have downloaded.
- Trigger it on "Save" and for "Component Suppression changes".
- The rule creates/updates a workpoint called "Center of Mass" at the CoG of the active assembly LOD.
- In the drawing view, uncheck the "Center of Gravity" option.
- Recover the workpoint in the drawing view by using "Include work features...".
- And get the desired result.
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