Karma Toon Shader

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Hi, I wanted to experiment a little bit with karma and though I could make a simple toon shader but I can't figure out how to get a simple lambert color output to use as emission. as it the way to do with mantra

is there any materialX node that would give me the value I need ?

Thanks for the help.
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Bump to this. I'm interested in knowing if there's any plan to bring non-photorealistic shading to Karma.
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+1 I need it too.
Wow factor
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need this too
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Interested too
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HristoVelev
Interested too
Check this out:
https://www.rohandalvi.net/toon-shading [www.rohandalvi.net]
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SciTheSqrl
Hi, I wanted to experiment a little bit with karma and though I could make a simple toon shader but I can't figure out how to get a simple lambert color output to use as emission. as it the way to do with mantra

is there any materialX node that would give me the value I need ?

Thanks for the help.

Use dot product node with world geometry normal and light direction (entered manually as three numbers in world space)
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good workaround ⬆️, but will fail with shadows sadly (simple example - ear shadow on the head, etc)
https://twitter.com/oossoonngg [twitter.com]
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osong
good workaround ⬆️, but will fail with shadows sadly (simple example - ear shadow on the head, etc)
yeah, no way to do shadows without ray tracing. Maybe do depthmap shadows?
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Yes Rohan's tests are great, buying that! Also there is the fresnel nodes that do the normal/incidence thing. I'll be checking out what's there in vray, blender and renderman too. Style transfer might also be usable as a component, there is a copycat model in nuke that does that.
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Just bumping this, I absolutely want to use Karma and LOPs for rendering some projects but unable to work out just how to get karma to do what I want. Was thinking of baking a simple diffuse shader into a texture and sample that in the shader. It's effectively what I would do for a toon shader in say Blender to then use to create banding, but its not exactly realistic as a scene gets anything other than small. Im going to keep looking, but wish I knew more about shading :S
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