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marc-b-reynolds.github.io | ||
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lisyarus.github.io
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www.reedbeta.com
When you read BRDF theory papers, you'll often see mention of slope space. Sometimes, components of the BRDF such as NDFs or masking-shadowing functions are defined in slope space, or operations are done in slope space before being converted back to ordinary vectors or polar coordinates. However, the meaning and intuition of slope space is rarely explained. Since it may not be obvious exactly what slope space is, why it is useful, or how to transform things to and from it, I thought I would write down a ... |
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www.appletonaudio.com
[AI summary] The text discusses various aspects of rotation matrices, including their definition, application in rotating vectors, eigenvalues and eigenvectors, and their relation to matrix exponentials. It also touches on algorithms like QR decomposition and the academic use of rotations to map vectors. |
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algassert.com
Craig Gidney's computer science blog |
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