On 9/27/20 9:15 AM, William F Pokorny wrote:
> I vaguely recall methods 1 & 2 doing stuff like always taking 4 pixels 
> initially or throwing center samples away. Don't remember exactly, but 
> these might be the cause. But then, I ask myself why should these pixels 
> be counted with the base pixel count and not as additional pixels due 
> the sampling method... It probably blurs the samples per pixel calculation.

Just hit me it does mess up the samples/pixel calc. That am1 test I did:

--- am1
povr2 biscuit.pov +am1 +a0.0 +r9 +w450 +h450
133.385
Pixels:  216000   Samples:  16402500   Smpls/Pxl: 75.94

Should have a samples/pixel value of >= 81. (9x9)

Anyway...

Bill P.

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