By default, the tree view shows only nodes with content in the current drawing or project. You can change this setting to show all nodes.
Note: When the tree view is displayed by area (the Plant 3D default), you can view only nodes with content.
- On the ribbon, click Home tab Project panel Data Manager.
- In the Data Manager, in the drop-down list, click the appropriate data view.
- In the tree view, right-click a node. Click Show All Nodes or Show Only Nodes with Content.