About W Hair and Ornatrix ( Tips and Tricks questions)

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About W Hair and Ornatrix ( Tips and Tricks questions)

Postby andrey.krivulya » Mon Feb 13, 2017 9:55 am

andrey.krivulya Mon Feb 13, 2017 9:55 am
Hello, dear support!

First of all! Thank you very much for Ornatrix Adaptation and for W map =) But I have some question to you =)

1. How did you realize this? Can you share the scene?

AnimatedWs.gif


2. I tried to create the same material like as vray hair mtl =) But not understand what I should do =))) and how can create the same material like this?

vray_hair_mtl.jpg


vray_hair_mtl_ball.jpg


Can you tell about this step by step? What I should do to create the same material with random texture and position along strand effect?

As you can see - I have multicolored vertical stripes on this ball and random texture (spiral stripes with multicolored triangles)

I already created awesome material for this girl =)

andrew-krivulya-hair-type-1-1.jpg


girl_hair.jpg


hair_hypershade.jpg


But her hair without W feature and now I want to make more realistic hair, want to improve my hairshader with W feature =))

And my request for future versions - Please create HairShader mtl with presets=) like as VrayHairMtl or Redshift or Arnold =))

vrayhairmtl_example.jpg


Because mixing - isn't a good idea =)) I think many Octane users will agree with me =)

That's all =) Hope you will help me =)

Best regards, Andrew.
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby mojave » Mon Feb 13, 2017 9:18 pm

mojave Mon Feb 13, 2017 9:18 pm
Hi Andrew,

That animated GIF I shared some time ago is just a turntable animation of some geometry I generated using a LUA script that was basically populating the geometry node's A_HAIR_WS attribute with different values for each frame. If I get the chance to do some cleanup I might be able to share it with you.

Also, if you are using 3DSmax, in order to be able to use hair gradients, you need to use at least v3.05 - 4.29, so I'd recommend downloading the latest version if you don't have it already here:

viewtopic.php?f=80&t=59454

Hair gradients have been supported in the Octane core since v3.04, so you can take a look at the release notes to see how it works:

viewtopic.php?f=24&t=56856&hilit=hair

Let me know if you still need help with this.
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby andrey.krivulya » Tue Feb 14, 2017 8:06 am

andrey.krivulya Tue Feb 14, 2017 8:06 am
Hello, Mojave.

First of all - thank you for you answer. =)

Yes, I saw hair gradient options in Octane Standalone =) But I like work in 3dsmax integration =) And in 3dsmax Octane 3.05.3 - 4.30 - I can't find this.

hair_import_prefs.png


When I created gradient map and added in Input - W coordinate - I had an awesome effect =) Like this =) This is cool and thank you for this feature.


hair_gradient.jpg



Material nodes:

gradient_w_node.jpg


Material preview:

gradient_w_preview.jpg



When I added random texture map - I had this.

hair_gradient_with_random_texture.jpg


MAterial node:

random_node.jpg


Material preview:

random_mat_prew.jpg



But as I understand, with above option in Octane Standalone - we can control color per strand like as in Vray material ( vertical lines on a ball) which I showed in previous post.

So =) We need a Default hair gradient interpolation option in 3dsmax =)) and chance to add random texture in which every color will be use per strand.

Best regards, Andrew.



mojave wrote:Hi Andrew,

That animated GIF I shared some time ago is just a turntable animation of some geometry I generated using a LUA script that was basically populating the geometry node's A_HAIR_WS attribute with different values for each frame. If I get the chance to do some cleanup I might be able to share it with you.

Also, if you are using 3DSmax, in order to be able to use hair gradients, you need to use at least v3.05 - 4.29, so I'd recommend downloading the latest version if you don't have it already here:

viewtopic.php?f=80&t=59454

Hair gradients have been supported in the Octane core since v3.04, so you can take a look at the release notes to see how it works:

viewtopic.php?f=24&t=56856&hilit=hair

Let me know if you still need help with this.
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby mojave » Wed Feb 15, 2017 2:11 am

mojave Wed Feb 15, 2017 2:11 am
Hi,

The 3DsMax plugin dev has been notified about this and that flag will be available in the next build.

Thanks for the heads up!
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby Jolbertoquini » Wed Feb 15, 2017 12:42 pm

Jolbertoquini Wed Feb 15, 2017 12:42 pm
mojave wrote:Hi,

The 3DsMax plugin dev has been notified about this and that flag will be available in the next build.

Thanks for the heads up!


But still the same problem on the standalone right because we have to choose the type of hair as "hair length" so the option to have random hair doesn't work anymore how to make work bouth?
on the standalone random color and the ramp color along the hair? because the option "hair length" and "segment count" can't be set by texture on the shader so how to do it a random colour can we have a example scene on standalone please? maybe is me I don't see one other way to add the random please any help?

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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby andrey.krivulya » Wed Feb 15, 2017 7:09 pm

andrey.krivulya Wed Feb 15, 2017 7:09 pm
mojave wrote:Hi,

The 3DsMax plugin dev has been notified about this and that flag will be available in the next build.

Thanks for the heads up!


Ok. Thank you. I will wait the new version and then will show a new tests =)) Together - we make Octane better =)
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby Jolbertoquini » Thu Feb 16, 2017 10:00 am

Jolbertoquini Thu Feb 16, 2017 10:00 am
mojave wrote:Hi,

The 3DsMax plugin dev has been notified about this and that flag will be available in the next build.

Thanks for the heads up!


Hi Mojave,

Could we have then for Maya aswell we ask alredy support for hairs, we have only nhair for now and it's a huge pain to work, with no support for any other Hair plugs such Ornatrix,Shave hair cut or Xgen.
For Hair work's in Maya still complicated as workflow :oops: If we need characters with Fur or Hairs. we can't just do it nice. cause nhair doesn't have a lot features to customise and if we use the others plugs to convert to curves and then to nhair, "nhair" is huge heavy for Maya and is impossible to work. right now the best was convert X-gen to curves and the to nhair, and is really slow. only the viewport and etc.

Best,
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby Elvissuperstar007 » Thu Feb 16, 2017 10:10 am

Elvissuperstar007 Thu Feb 16, 2017 10:10 am
yeti maya does not work
http://peregrinelabs.com/yeti/
as we see it is supported and renders of the GPU but not octane
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby calus » Thu Feb 16, 2017 10:42 am

calus Thu Feb 16, 2017 10:42 am
Elvissuperstar007 wrote:yeti maya does not work
http://peregrinelabs.com/yeti/
as we see it is supported and renders of the GPU but not octane

About Yeti, this is by far the best Fur plugin for Maya,
But only Peregrinelabs can make the Octane support happen,
because the Yeti fur is procedurally generated with their proprietary technology.
Also Octane doesn't support procedural primitive at all,
so the support will be only possible trough the Yeti alembic curve's cache feature,
and for the moment it's not even possible to render directly alembic curves as Octane hair in the Maya plugin... :?

Also the Octane Maya plugin have lost a lot of credibility these last 2 years as a production renderer (as it was almost abandonned),
so I guess Peregrinlabs don't even think about supporting Octane.
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby Jolbertoquini » Thu Feb 16, 2017 12:58 pm

Jolbertoquini Thu Feb 16, 2017 12:58 pm
Yes, Calus...

I never use yeti before something to try, maybe if the support of Alembic curves? but still pain in the neck to make maya deal with all curves I didn't tried with alembic curves...
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