Table 1.

List of default display type (engine) plugins

Name	Description
Axes	Renders x, y, z Cartesian axes from the origin
Ball and Stick	Standard ball and stick representation
Cartoon	Secondary biological structure (αhelix and βsheet)
Dipole	Render direction/magnitude of dipole
	moment if present
Force	Renders arrows showing forces on atoms from
	force field
Hydrogen Bond	Renders hydrogen bonds as dotted lines
Label	Shows labels on atoms and bonds, configurable
Overlay	Overlay of color gradient used for electrostatic
	properties
Polygon	Renders closed polygons of metallic centers
Ribbon	Basic secondary structure ribbon rendering
Ring	Renders rings in structure, different colors
	depending on ring size
Simple Wireframe	Very simple wireframe display
Sticks	Stick or liquorice rendering style for atoms
	and bonds
Surface	Renders triangular isosurface meshes
Van der Waals	Van der Waals sphere rendering (no bonds,
Spheres	space-filling)
Wireframe	Wireframe with more features such as bond order
	rendering