Halftone shader in Octane

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Halftone shader in Octane

Postby haze » Mon Jan 21, 2019 8:07 pm

haze Mon Jan 21, 2019 8:07 pm
Hi all,

Attached is Zap Andersson's halftone shader running in Octane.

This is from here:
https://github.com/ADN-DevTech/3dsMax-OSL-Shaders

Update: I have made some tweaks and added another way to use the shader.


Ideally you would do some post to apply this effect, which you can do currently using render jobs:
halftone-post.orbx
(31.9 MiB) Downloaded 568 times


halftone.png


Otherwise an alternative is to tweak the imager so that it looks correct from a particular angle:
halftone-imager.orbx
(31.81 MiB) Downloaded 550 times
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Re: Halftone shader in Octane

Postby Studio21 » Tue Jan 22, 2019 6:42 pm

Studio21 Tue Jan 22, 2019 6:42 pm
Nice...but it acts more of like a dot overlay rather then a halftone. it doesnt react to shadows in regard to the point size etc :/
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Re: Halftone shader in Octane

Postby frankmci » Tue Jan 22, 2019 8:59 pm

frankmci Tue Jan 22, 2019 8:59 pm
Studio21 wrote:Nice...but it acts more of like a dot overlay rather then a halftone. it doesnt react to shadows in regard to the point size etc :/


Yes, I was hoping this OSL shader had a good way of driving a parameter based on surface illumination. That's one of the many shader nodes I miss in Octane - just a basic, "get illumination value of the surface and pass it on". I've got a pretty good etching shader I made in Maya that I'd love to port over, but so far I haven't been able to do much with it.
Attachments
singleLeafTest.jpg
etching shader
singleLeafTest.jpg (17.97 KiB) Viewed 9369 times
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Re: Halftone shader in Octane

Postby haze » Wed Jan 23, 2019 12:29 am

haze Wed Jan 23, 2019 12:29 am
I've updated my post and added an alternative way
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Re: Halftone shader in Octane

Postby Griphs » Thu Dec 16, 2021 4:35 am

Griphs Thu Dec 16, 2021 4:35 am
Hi,can u tell me how to make it in Octane? Thanks!
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Re: Halftone shader in Octane

Postby haze » Thu Dec 16, 2021 4:55 am

haze Thu Dec 16, 2021 4:55 am
Griphs wrote:Hi,can u tell me how to make it in Octane? Thanks!


Are you having any issues using the ORBX, or do you mean how to use it in your particular scene?
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