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0 votes
1 answer
708 views

Converting from RGB Color Picker to Surface Reflectance

I am trying to derive the material reflectance values from a color picker tool(say MS Paint). My understanding is to first gamma decode(raise to the power of 2.2) the RGB values from the color picker, ...
ali's user avatar
  • 750
1 vote
1 answer
523 views

Understanding material .mtl files

I am reading this piece of documentation to understand mtl files So far I am stuck trying to understand the difference between ambient, diffuse and specular reflectivity (Ka, Kd, Ks). If I am ...
Makogan's user avatar
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10 votes
4 answers
28k views

What is the difference between glossy and specular reflection?

What is the difference between glossy and specular reflection? What is their relations with BRDF?
chaosink's user avatar
  • 591