VMD User's Guide

• Force applies a force to selected atoms in a running simualtion. These forces will be visibleonly if an IMD connection has been established. Clicking and dragging with the left mousebutton will apply a force to the selected Atom, Residue, or Fragment, as in Move Mode.Clicking with the middle or right button will cancel the force on the selected atoms.• Move Light allows the lights to be positioned around the scene. Individual lights are turnedon or off in the Display form. Selecting one of the lights in the Move Light menu rotates theselected light about the origin. The Move Light Mode can also be cancelled by changing intoany other pick mode or mouse mode.• Add/Remove Bonds adds a bond between two clicked atoms if there is not one present,and removes the bond otherwise. Both atoms must belong to the same molecule.4.4.6 Display MenuFigure 4.4: The Display menuThe Display menu controls many of the characteristics of the graphics display window. Thecharacteristics which may be modified include:• Reset View – This menu item can be used to force VMD to reset the scene back to thedefault viewing orientation and scale as is done when a molecule is first loaded.• Stop Rotation – This menu item stops autorotation of the scene. The scene can be autorotatedby quickly dragging the mouse while briefly depressing and releaseing the mousebutton, leaving the scene spinning until it is stopped either by this menu item or by furthermouse interactions.36