to run:

java DistanceViewer

key presses toggle modes:
1 - switch to L1 metric
2 - switch to L-infinity metric
3 - switch to L2 metric (actually just uses square of L2 distance)

a - show regions (first region does not show up on suns,
but does from printing out screencaptures of sun display! click three times
in order to see regions in this mode)

b - shows boundaries of regions(approximate, depends on threshold value, set to be 3, could be changed with recompile)

to quit:

control-c on the command line.

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to recompil:

javac *.java

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copyright 2004, Daniel Heller

latest version may be found at either:
http://www.cs.tufts.edu/~dheller/distanceviewer 
or
http://www.dan-is-online.com/software/distanceviewer

This program is free software;
you can redistribute it and/or modify it under the terms of the
GNU General Public License as published by the Free Software Foundation;
either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License
at http://www.gnu.org/copyleft/gpl.html for more details.