- In the Orthos tree view, expand the project and the Orthographic Drawings folder.
- In the Project Manager, click the Orthographic DWG tab.
- Double-click to open an orthographic drawing.
- Click Ortho View ribbon contextual tabSingle Line Piping panelSingle Line Tool.
- In the orthographic drawing, select an ortho view.
- From the flyout menu, choose bySElection.
- Select objects.
- Choose Update.
The selected objects display in single-line representation.