Use this dialog box to refine the selection set of Autodesk InfraWorks objects that will be brought into AutoCAD Civil 3D.
If the object settings file that you selected in the Open InfraWorks Model dialog box does not enable certain object types to be brought into AutoCAD Civil 3D by default, then the check boxes for those object types are cleared in the Refine Selection Set dialog box but can be selected if the InfraWorks model contains those object types.
Expands all items in the tree.
Collapses all items in the tree.
Selects all the items in the tree that can be selected.
Clears all the check boxes that can be cleared.
Lists the InfraWorks data that is available to bring into the AutoCAD Civil 3D drawing. Expand each of the collections to display all of the subcomponents.
Select or clear the check box to the left of each object type or object name to filter the data.