Message-ID: <3841330D.3AE5CB1F@sxx0.math.pku.edu.cn>
Date: Sun, 28 Nov 1999 21:50:05 +0800
From: Ming Jiang <jiangm@sxx0.math.pku.edu.cn>
Reply-To: jiangm@sxx0.math.pku.edu.cn
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Subject: algorithm povray used?
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hi, folks:

Can anyone tell me what is the ray-tracing algorithm povray uses? Esp.
how povray handles refraction? Your information is greatly appreciated.

best regards.

Ming Jiang