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On the main page for Allegorithmic's Bitmap2Material, it mentions that the software uses a Slope Based approach over a Luminance Based approach. What exactly does this mean?

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  • $\begingroup$ Sounds like marketing mumbo-jumbo to me. I would assume "slope-based" means based on the gradient. Usually the gradient is generated from the luminance, though, so who knows? $\endgroup$ – user1118321 Jul 15 '17 at 1:29
  • $\begingroup$ You make a good point. I wouldn't be surprised if what you said is true. I'll keep this question open just to see if anybody else has an idea of what it means. $\endgroup$ – Daniel Kareh Jul 15 '17 at 14:13

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