Adapted from "official" (UCO-Lick) copies of the vuw widgets.  

Tk8 port and cleanup by Jeffrey Hobbs, jeff.hobbs@acm.org.

OVERVIEW

These handy little widgets consist of:

	dial		a "clock face" gauge with a rotating indicator hand
			which can be scaled as you wish to represent various
			integer values

	pie		a pie chart with legend, shading, exploded segments,
			etc.

	spinbox		a standard spinbox

The following widgets are also under development:

	combobox	a standard combobox

	bargraph	a "gas gauge" (growing/shrinking bar) such as many
			mac applications use to indicate %age of file
			processed, count of bytes transferred etc.

-------------------------------------------------------------------------

The bargraph was originally written by a team of programmers and
researchers at the University of Victoria, Wellington, NZ.  The main
co-conspirators were Francis Gardner, Richard Dearden, and Julian Anderson.
These authors subsequently moved on to other projects and the VU widgets
were left orphaned.  Dial and pie were also part of that set, but the
current dial and pie represent a complete rewrite of the original code with
different feature set.

=====================
dial was inspired from tkTurndial v2.0, with copyright as follows:

 * (c) 1996, Pierre-Louis Bossart (bossart@redhook.llnl.gov)
 * Based on the tkTurndial-1.8 copyrighted as follows
 * (c) 1995, Marco Beijersbergen (beijersb@rulhm1.leidenuniv.nl)
