About W Hair and Ornatrix ( Tips and Tricks questions)

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

Postby mojave » Thu Feb 16, 2017 9:04 pm

mojave Thu Feb 16, 2017 9:04 pm
Jolbertoquini wrote: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?


Hair gradient interpolation type just affects to how the W texture is mapped to hair strides. However, I am not too sure what you mean by making it work both. You could potentially use a mix texture with a noise as one of the inputs, and a gradient on the one. While the gradient is affected by the setting you select, the mapping of the other input remains unaffected.

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

Postby Jolbertoquini » Fri Mar 03, 2017 10:16 am

Jolbertoquini Fri Mar 03, 2017 10:16 am
mojave wrote:
Jolbertoquini wrote: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?


Hair gradient interpolation type just affects to how the W texture is mapped to hair strides. However, I am not too sure what you mean by making it work both. You could potentially use a mix texture with a noise as one of the inputs, and a gradient on the one. While the gradient is affected by the setting you select, the mapping of the other input remains unaffected.

gradient_hair_length.png


Sorry I didn't understand I will give a try later.Do you may to set a orbx to download so we see the connections please?

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

Postby andrey.krivulya » Mon Apr 03, 2017 1:28 pm

andrey.krivulya Mon Apr 03, 2017 1:28 pm
So, a new test with W coordinate and gradient with my old hair =)

hair_type_1_2.jpg


I already share this material in a LiveDB. Materials =>Organic => Skin => Hair Colored Gradient
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby mojave » Mon Apr 03, 2017 8:57 pm

mojave Mon Apr 03, 2017 8:57 pm
Nice! Thanks for sharing!
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby andrey.krivulya » Wed May 31, 2017 10:34 am

andrey.krivulya Wed May 31, 2017 10:34 am
Hello, dear OTOY Team.

So I have a few problems with Ornatrix and Octane =)

1. I cant render gradient hair by strand index in Octane and Ornatrix.

Here is my material and render.

octane_example.jpg


And here is the scene to your tests --- >>> SCENE

This an example with Vray and the same gradient =)

Clip2net_170531132159.jpg


As you can see - An each strand have red or blue color. How I can realize this in Octane???

2. I can't render a normal map in Octane + Ornatrix.

Here is an example with Vray Normal Pass.

vrayn_example.jpg


When I selected Geometric Normal - I see this...

geom_n.jpg


3. I can't render tangent normal in Octane + Ornatrix.

When I selected Tangent Normal - I see this =)

tangent_n.jpg


When I selected Vertex Normal - I see this =)

vertex_n.jpg


Here is an example with Vray and a right tangent normal =)

tangen_n_vray.jpg


I hope those screenshots will help and you will fix this bug in the new version.

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

Postby bepeg4d » Fri Jun 02, 2017 9:19 am

bepeg4d Fri Jun 02, 2017 9:19 am
Hi Andrew,
here is what I get with c4d hair:
1. multicolor hair with gradient:
IMG_0277.jpeg

2. geometry normal:
IMG_0281.jpeg

3. Tangent Normal
IMG_0283.jpeg

4. Vertex Normal
IMG_0285.jpeg

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

Postby andrey.krivulya » Fri Jun 02, 2017 9:55 am

andrey.krivulya Fri Jun 02, 2017 9:55 am
bepeg4d wrote:Hi Andrew,
here is what I get with c4d hair:
1. multicolor hair with gradient:
IMG_0277.jpeg

2. geometry normal:
IMG_0281.jpeg

3. Tangent Normal
IMG_0283.jpeg

4. Vertex Normal
IMG_0285.jpeg

ciao beppe


Hi, bepeg4d.

I used 3dsmax and Ornatrix. And have this bugs with Ornatrix + Octane... Btw you have wrong tangent normal =)) I showed the right example in Vray... You can open my 3dsmax + Ornatrix+Octane scene which I attached to the early message with this bugs =)
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby bepeg4d » Fri Jun 02, 2017 10:20 am

bepeg4d Fri Jun 02, 2017 10:20 am
Hi Andrew,
sorry but I don't have nor 3ds Max nor Ornatrix.
Do you mind to export to Standalone and share an.orbx?
thanks,
ciao beppe
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby paride4331 » Fri Jun 02, 2017 10:40 am

paride4331 Fri Jun 02, 2017 10:40 am
Hi guys,
I think Octane 3dsMax + Ornatrix has some issues.
I tried to export to SA and issues seem to be too.
Regards
Paride
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Re: About W Hair and Ornatrix ( Tips and Tricks questions)

Postby andrey.krivulya » Sat Jun 03, 2017 9:40 am

andrey.krivulya Sat Jun 03, 2017 9:40 am
bepeg4d wrote:Hi Andrew,
sorry but I don't have nor 3ds Max nor Ornatrix.
Do you mind to export to Standalone and share an.orbx?
thanks,
ciao beppe


Then there's no point, because I work in 3dsmax + Ornatrix + Octane and want fix of this bug =)) Because I can't work and record my tutorials with Octane and should use Vray for this =))
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