To have the mouse select many atoms, choose this option.  Use this tool if you are having trouble selecting a large group of atoms using the "Select One" tool.

To have the mouse select individual atoms, choose this option.  You can shift click to make the selection larger.

To have the mouse control the position of the light source, choose this item.

To have the mouse control the brightness of a type of atom, choose this item.

You cannot do this now because your Macintosh is not set up to display shades of gray.

To have the mouse control the brightness of a type of atom, choose this item.  The type that is affected is determined by the "Atom Type" menu item.

To have the mouse control the saturation ("whiteness") of a type of atom, choose this item.

You cannot do this now because your Macintosh is not set up to display colors.

To have the mouse control the saturation ("whiteness") of a type of atom, choose this item.  The type that is affected is determined by the "Atom Type" menu item.

To have the mouse control the hue of a type of atom, choose this item.

You cannot do this now because your Macintosh is not set up to display colors.

To have the mouse control the hue of a type of atom, choose this item.  The type that is affected is determined by the "Atom Type" menu item.

To have the mouse control the radius of a type of atom, choose this item.  The type that is affected is determined by the "Atom Type" menu item.

To have the mouse move the atoms, choose this item.

To have the mouse control the viewing distance, choose this item.

To have the mouse control the orientation of the viewer, choose this item.

To have the mouse control the angle of view, choose this item.

To select the atom type that the current tool operates on, choose this item.

Some tools affect all atom types.  Only the radius, hue, saturation, and brightness tools will be affected by your choice. 

Use this menu to select a tool for manipulating the display.  The cursor will be changed to indicate which tool is in use.