Lecture 15: Advanced Topics in Material Modeling (43)
vaustin6203

So animal fur has a wider medulla, which allows for more light to scatter. This creates a more matte, fluffy, and textured appearance to the hair. We can also see from the image, that increasing the medulla size makes the hair look lighter and you can see way more light bouncing off the face and not getting absorbed. This lecture has also made me wonder how we can model different textures of hair based on the shape of the hair shaft. Since hair's texture (straight, wavy, curly, etc.) is dependent on the shape of the hair shaft, do we render hair with this knowledge to model the appearance and movement of curls, etc.? How does that work?

Debbieliang9

We can see clearly that the fur of this cat lights up from the left to the right. The color of its fur changes and the bright part becomes brighter. However, I don't understand why the cat's eyes don't change. Is it because the change of medulla size impacts different materials differently?

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