Selection sets help you manage the selections in a scene in CityEngine. You can add, update, or edit selection sets for later use.
To add or update a selection set, select the objects to add or update a selection set. Click the Add / Update Selection Set button
under Selection Sets in the Selection Tool options
. You can also click Select > Add / Update Selection Set in the main menu.
To add or update an existing selection set, do one of the following:
- Click Add to add and save the selection set.
- Select an existing selection set in the list and click Update to update the selection.


Click Cancel to close the window without adding or updating selections sets.
Apply a saved selection set
To apply a saved selection set, click the Choose drop-down menu under Selection Sets in the Selection Tool options
. You can also click Select > Apply Selection Set in the main menu.
Click a saved selection set in the list. The selection is applied to the shapes.
You can rename, reorder, or remove an existing selection set by doing one of the following:
- Click Edit Selection Sets under Selection Sets in the Selection Tool options
. - Click Select > Edit Selection Sets in the main menu.

Note:
- Only shapes, graphs, and static models can be added to selection sets.
- Selection sets use an internal identifier to reference the selected objects. Therefore, previously created selection sets do not break when you rename objects.
- When deleting a selection set, the objects within don't get deleted.
- When loading a selection set, objects that have been deleted in the meantime are ignored.