Display options control which features of the mesh are
displayed. Each display feature associated with the mesh is
listed in the 2D Mesh Display Options dialog which is accessed
by selecting the Display Options command in the Display menu.
Most of the items in the dialog represent features of the mesh
that can be displayed. The toggle next to the feature can be
toggled on or off to control whether or not the feature is to be
displayed. In addition, the window to the left of the check box
can be used to set the graphical attributes (line thickness,
color, font, etc.) of the feature. The items in the dialog are
as follows: The Nodes item is used to display mesh nodes. A
small circle is drawn at each node. The Elements item is used to
display the edges of elements. The elements can be drawn using
either the default color for elements or using the color of the
material associated with each element. 3 options are available
for the element edges: Auto- draws the material color if faces
are not displayed. Uses black