2.4 Moving and Deleting Three-Dimensional Objects All objects
displayed in Dynamic Visualizer can be moved and colored, and,
except for the default model and camera, deleted. An object is
selected by clicking it. Selected objects may be rotated by
moving the mouse while holding down the mouse button. Objects
continue to spin when the mouse button is released. Rotating
objects can be stopped by clicking the background. It is
possible to move objects by holding down modifier keys while
moving the mouse. Modifer keys when using the mouse. Select the
background rather than an object. On the Windows platform, use
the right-hand mouse button. To delete the selected object,
press the delete key. (Macintosh only) To copy part of the
window to the clipboard, first select the copy area while
pressing the key.