Now using multiple sine waves with different frequencies,
amplitudes and phase. (Thanks Christoph)
The color is also varied slightly.
Gail
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* gsh### [at] monotix coza * Step into the abyss, *
* http://www.rucus.ru.ac.za/~gail/ * and let go. Babylon 5 *
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* The difficult we do immediately, the impossible takes a little longer *
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