POV-Ray: Newsgroups: povray.general: why the hexgrid constants?: why the hexgrid constants?

POV-Ray : Newsgroups : povray.general : why the hexgrid constants? : why the hexgrid constants?		Server Time 4 Aug 2024 02:24:09 EDT (-0400)

From: Apache
Date: 23 Aug 2003 01:12:02
Message: <3f46f7a2@news.povray.org>

7.4.5 Focal blur hexgrid constants
Hex_Blur1 = 7
Hex_Blur2 = 19
Hex_Blur3 = 37

I have two questions about this:
1. What are they used for?
2. I'd like to know how I might calculate Hex_blur4, Hex_blur5 etc etc
3. When using focal blur, does blur_samples 8 look worse blur_samples 7?

Regards,
Apache

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