Manually Selecting Each Edge

To manually select each edge:

Right-click and select Clear Selections.
Select an edge.
In the graphics area a red arrow appears at the endpoint of the edge and indicates a possible next edge, and selection tools appear in the PropertyManager.

In the PropertyManager, click the selection tools as needed until the chain of edges is complete:

Add selected edge	Adds the edge indicated by the red arrow to Edges. You can press Y instead of Add selected edge .
Select next edge	Changes the red arrow to indicate a different possible next edge. You can press N instead of Select next edge .
Zoom to the selected edge	Zooms to the edge selection area.