- Select the "profile" layer and set it off.
- Click on the light bulb icon
- Choose Geometry->Delete->All Types (or use the GiD Toolbar).
- Select all the lines and surfaces that appear on the screen.
- Press ESC to conclude the selection of elements to delete.
- Select the "aux" layer and delete it.
- Click in the icon
- Select the "profile" layer and set it on.
NOTE: To cancel the deletion of elements after they have been selected, open the mouse menu, go to Contextual and choose Clear Selection.
NOTE: Elements forming part of higher level entities may not be deleted. For example, a point that defines a line may not be deleted.
NOTE: A layer containing entities will ask for confirmation to be deleted.