I've downsampled from 1562x1562 (crop) to 64x64 (avatar). And the
incremental scaling produced definetely better results. GIMP 2.2.3,
Windows, cubic scaling.

David Hodson wrote:
Alexander Rabtchevich wrote:

It is known incremental scaling produces better results than one-step scaling.

Only if your scaling algoroithm is not very good. Better would be
to fix any problems in the scaling algorithm, and scale in a
single pass.

With respect
Alexander Rabtchevich

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