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Efficient Facing Ratio


Farsheed Ashouri

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Hey, nice cross-hatch example varomix - thanks!

And welcome Farsheed - nice to see new people here.

Matt.

In crosshatch-type shading, I've found the Shading Quality of the surface makes a huge difference to the look of the image. Don't forget to play with that:)

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  • 2 months later...

I was actually playing with this idea last night :D

I did it kinda different , but I like this idea, nice, very nice tip Mr. old school

I did it like the simple ramp shader using a frontFace and a normalfalloff

and a ramp to control the bias

I came up with this in the process

post-3040-1244570474_thumb.png

and Farsheed, chill out man, we are all brothers here :D

I made you a scene with a couple of nodes based on Old School's scene, the rest of the nodes

he created there are the parameters for the shader, he was kind enough to make you

a full working shader

here's the uber simplified scene

_mix_fakeFresnel_v01.hip

and my crosshatch scene if anyone is interested on that

_mix_shaders_v01.hip

welcome to the magic of houdini man

I rendered the scene with ray-trace and the result was nice but you must set the shading rate to a very high number in micropolygon mode to get the same results.

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