Delete points in cross section
Calculated section|Delete points
You can easily delete a point in the cross section by clicking on the point you want to edit and then going to Delete points in the menu. Delete point is also in the toolbox and the icon looks like an eraser. Please note that you cannot delete a point that any other point is related to.
You can easily delete a complete cross section by going to Delete section in the menu. The complete cross section will be deleted. The volume calculation is then performed on the adjacent sections with an increased length.