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6.4.2 Filtering attributes

 
Iray tab in the Render Settigns Window when Iray Photoreal is selected
 
Type
The attribute Type describes the shape of the pixel filter.
 
Type Box
 A Box filter is selected to determine the pixel sampling. It sums all samples in the filter area with equal weight. Fast, but not very accurate.
 
Type Triangle
 A Triangle filter is selected to determine the pixel sampling. It weights the samples using a pyramid centered on the pixel. Slower, but good results.
 
Type Gauss
A Gaussian filter is selected to determine the pixel sampling. It weights the samples using a Gauss (bell) curve centered on the pixel. Slowest, but better results.
 
Radius
This attribute defines the size of the pixel sample. Large filter size blurs the image.