Save or Restore the Viewpoint

save_or_restore_viewpoint 1.0
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REQUIREMENTS: VMD Version 1.0 or greater
DESCRIPTION:
	This script simply provides procedures for saving or loading
	particular viewpoints. save_viewpoint saves appropriate 
	viewing matrices, and restore_viewpoint loads back what had
	once been saved. No arguments to these procedures need to be
	specified, since only one viewpoint can be saved or loaded at a time.
	
PROCEDURES:
	save_viewpoint - stores appropriate viewing matrices
	restore_viewpoint - loads previously saved viewing state
DOWNLOAD FILE:
	save_or_restore_viewpoint.tcl
AUTHOR:
	Andrew Dalke (dalke@ks.uiuc.edu)