Well this is undoubtedly true that I am not that gud in ray-tracing right now
but I am trying my best to get into this.

Basically The thing is as of now I've this scene file of a human face along u-v
coordinates and I have done texture mapping over the scene. Hence, the model is
the human face with its texture and shadow map but that doesn't look any way
close to the real face.What I mean is that it has plasticity kinda look.
And my sole purpose to use Torrance-Sparrow BRDF model is to make this face
model somewhat more realistic.But I am not sure how implement that.

I believe now you've pretty much idea about my situation.So, please give me some
suggestion over it.

Regards

Ran

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