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What is a Gaussian Lobe concerning BRDF and NDF?

In a BRDF or NDF this most likely refers to a spherical Gaussian distribution, also known as a von Mises–Fisher distribution. It's similar to the usual Gaussian, but using the dot product between two ...
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What is a Gaussian Lobe concerning BRDF and NDF?

Having a gaussian lobe usually means that your ndf is one or a weighted sum of gaussian distributions. Instead of your ndf, you can define your brdf in the same way. A gaussian distribution is a ...
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