Hi guys,
I don´t want to start a flamewar when I point to Maya,
especially since I never used *real* hair dynamics until now.
The only thing I did sofar was create dynamics on guidecurves
for Maya PFX, softbodies with goals, worked to some extend
but may not be what you´re looking for...but since you probably
have some Maya at SW-digital anyway you may want to check.
Shave&Haircut from Joe Alter seems to be the underlying code
incorporated into XSI?
There´s also some plug.ins for 3DSMax that are also based on
the concept of dynamic guidehairs but I fail to remember the names.
If you´re still in the R&D process for lookdevelopment, you may
find the following books from Serge Normant interesting:
(I don´t provide a link to amazon as results vary depending on country)
Metamorphosis: Transforming the World's Most Famous Women
and
Femme Fatale: The Timeless Style of Beautiful Women
Cheers
tim
----- Original Message -----
From: "Graham D Clark" <mailgrahamdclark(at)gmail.com>
To: <XSI(at)Softimage.COM>
Sent: Wednesday, May 17, 2006 10:53 PM
Subject: Re: (hair) A dreaded hair question, and I don't mean Bob Marley.
and custom inhouse dynamics.
Hair dynamics, in particular the case you describe gets fubared in 4
and seems worse in 5. AFAIK there is really nothing you can do to get
around it, and even if it didn't have that error, although the speed
is very impressive, unfortuantely not enough control, nor the
performance/results often needed. I'd recommend rigging something ike
with a "sliding rig"(so no accordian) and binding hair guides, or use
syflex or make your own even if slower.
-------------------------------------------
Graham D Clark
CG Supervisor, Omation, (949) 366-4422
http://www.byrecruit.net
http://www.grahamdclark.com
On 5/17/06, Ben Barker <ben.barker(at)gmail.com> wrote:
My workaround is Syflex.
On 5/17/06, Greg Smith <greg(at)stanwinston.com> wrote:
> Okay I know that XSI's hair leaves much to be desired (very much
> indeed). However its been my duty for the past couple of days to get a
> better understanding of how hair works in XSI, and how difficult it is
> to push it to the breaking point (which is not all that hard, just add
> Dynamics). So that said, I was wondering if anyone had figured out how
> to get decent performance out of the dynamics without having the guide
> hairs emmiting in positive y axis, get fubared. It seems that, with
> gravity applied, the desired stiffness settings and dampening result in
> guide hairs collapsing in an accordian fashion, which sometimes results
> in the segments spinning. Now I am no expert of hair digital or real
> (hair styling just never perked my interest as a kid), however observing
> hair in the real world, I never really seen hair collapse on itself the
> way it does in XSI. Its as if each child segment, has no real
> corresponding angular relationship with its parent segment. So when put
> in a situation where it falls upon itself, its every segment for itself.
> Again I am no expert, and I am sure there's more than meets the eye,
> when it comes to all this.
>
> So if anyone has work-arounds or tips to tame this beast, that would be
> mucho appreciated.
>
> Thanks,
>
> Greg
>
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--
Ben Barker
Hair/Fur
Omation
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