the GD approach runs in about 7 seconds, the Imager approach runs in about 209 seconds,

Best guess: GD uses a faster polygon fill algorithm; or is better optimised than Imager

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re: Filling polygons: Imager vs GD by BrowserUk
in thread Filling polygons: Imager vs GD by HASM

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