Re[2]: Shading hair

Date : Wed, 28 Feb 2007 17:19:50 +0100
To : Marc-Andre Carbonneau <XSI(at)Softimage.COM>
From : Frank Lenhard <franky(at)ixdream.com>
Subject : Re[2]: Shading hair
i found that i can control the highlights with the standard hair
shader quite well.
out of the box they are WAY to bright and big but nothing some tweaks
could change. i had a try with muhair but went back to standard,
because somehow i tweaked too much and the rendertimes went through
the roof.

but then i didnt worked too much with hair yet....

ciao
franky


Wednesday, February 28, 2007, 2:18:56 PM, you wrote:

MAC> WOW! So many answers! ;) It shows how much people get something out of
MAC> hair! Geez! ;)

MAC>  

MAC> FYI, I've played some more with MuHair. Getting better results as I
MAC> tweak and tweak and change my lighting.

MAC> Compositing here and there does help a lot. Not perfect but what can I
MAC> do?

MAC>  

MAC> Scratching me beard and doin' the hummmmmm...

MAC>  

MAC> MAC

MAC>  

MAC> ________________________________

MAC> From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf
MAC> Of Marc-Andre Carbonneau
MAC> Sent: February 27, 2007 11:48 AM
MAC> To: XSI(at)Softimage.COM
MAC> Subject: RE: Shading hair

MAC>  

MAC> Hey Daniel,

MAC>  

MAC> Perhaps your shader is already good enough but I lack the ability to
MAC> make it look the way I need?

MAC>  

MAC> I am trying to make "dry" hair. Attached is an example.

MAC>  

MAC> What happens is that I get specular that is too harsh and all over the
MAC> hair. If you look at the image, you notice how it's really uneven.

MAC>  

MAC> I notice that the Muhair shader requires a light setup that is different
MAC> than the one I use for my face...otherwise the colors are blown?

MAC> The volumic shadow maps don't seem to work either. Is this a bug?(might
MAC> be because Muhair was developed a while ago?)

MAC>  

MAC> I just did some test with a little comping and I'm getting closer but
MAC> that's with the Hair_geo_shader which takes long to render.

MAC> That's why I'd prefer to use Muhair.

MAC>  

MAC> Thanks

MAC> MAC

MAC>  

MAC> ________________________________

MAC> From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf
MAC> Of Daniel Rind
MAC> Sent: February 27, 2007 10:14 AM
MAC> To: XSI(at)Softimage.COM
MAC> Subject: Re: Shading hair

MAC>  

MAC> Well, post your wishes.

MAC>  

MAC> Ciao, Daniel!

MAC>  

MAC> 2007/2/27, Alan Jones <skyphyr(at)gmail.com>: 

MAC> I've messed around with a sprite shader with a mixer gradient using
MAC> the bary co-ordinates to drive the matte and using OrenNayaWolff for 
MAC> the illumination and got some reasonable results - though it was a
MAC> long time ago. (Sorry for pimping my own warez)

MAC> Cheers,

MAC> Alan.

MAC> On 2/27/07, Kris Rivel < krisrivel(at)gmail.com
MAC> <mailto:krisrivel(at)gmail.com> > wrote:
>>
>>  Let this be a reminder how badly we need some better hair shaders and
>> better hair control overall.
>>
>>
>>
>> Kris Rivel
>>  3D Artist
>>  kris(at)krisrivel.com
>>  www.krisrivel.com
>>
>>
>>  Marc-Andre Carbonneau wrote:
>>
>>
>>
>> Hi.
>>
>>
>>
>> I have a full head of hair to shade. It needs to be realistic. I'm
MAC> using
>> Muhair and I can't get something that looks convincing.
>>
>> I've been told it's way better and faster than XSI's hair shader and
MAC> the 
>> hair_geo_shader.
>>
>>
>>
>> My character has short blondish hair that looks dry.
>>
>>
>>
>> Anybody got something real looking and could provide me with
MAC> indications,
>> light setup, shader tricks? 
>>
>>
>>
>> We made hair before but it didn't have to look realistic so to
MAC> speak...
>>
>>
>>
>> Thanks.
>>
>>
>>
>> MAC
>>
>>

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  • References:
    • RE: Shading hair
      • From: "Marc-Andre Carbonneau" <marc-andre.carbonneau(at)ubisoft.com>
    • RE: Shading hair
      • From: "Marc-Andre Carbonneau" <marc-andre.carbonneau(at)ubisoft.com>

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