You use Developer Studio to configure dimension values as inert (non-navigable).
To configure dimension values as inert:
In the Project tab of Developer Studio, double-click Dimensions to open the Dimensions view.
Select a dimension and click Edit. The Dimension editor is displayed.
Select a dimension and click Values. In the Dimension Values view, the Inert column indicates which dimension values have been marked as inert.
Select a dimension value and click Edit. The Dimension Value editor is displayed.
Click OK. The Dimensions view is redisplayed, with a Yes indexator in the Inert column for the changed dimension.
There are no Dgidx or dgraph flags necessary to mark a dimension value as inert. Once a dimension has been marked as inert in Developer Studio, the Presentation API will be aware of its status.