How do you export a hair sim from Yeti back in Softimage ? Pointcache ?
Alembic ? Ass ?
Do all info translate well for rendering in Arnold ?
Olivier
Le 08/02/2014 15:21, Sebastien Sterling a écrit :
Maybe if we got a petition of xsi centric companies or a sort of
kickstarter goal we could persuade them that Softimage is worth
porting too :) i know i'd drop a grand for yeti.
On 8 February 2014 15:07, Sebastien Sterling
<sebastien.sterl...@gmail.com <mailto:sebastien.sterl...@gmail.com>>
wrote:
Having seen people use Yeti for a year in production i'd have to
say its pretty revolutionary in terms of workflow, i've seen
people acclimatise to it in a matter of weeks, the only drawback i
can see is ironically, it doesn't render using mental ray,
obliging you to go for Arnold or vray renderman...
A year ago, i sent them an email inquiering as to the possibility
of a Softimage port in the near/far future. this was the response.
"Thank you for the great feedback - we have investigated Yeti
integration for rendering preview which may be available in a
later version but at this time we're not planning an XSI version
of the editing tools. Adding in support for a whole new 3D
application is a large task and we haven't had enough demand for
an XSI version at this stage. If at some point that changes and
it looks like a studio may commit to a large number of licenses we
could afford to do this.
We're glad you're enjoying Yeti!
All the best,
Colin"
On 8 February 2014 13:25, Tim Leydecker <bauero...@gmx.de
<mailto:bauero...@gmx.de>> wrote:
Thanks for this in-depth answer!
Personally, I´m starting to lean towards going for the trial
of Yeti,
one reason being that I think I remember Colin Doncaster´s
name from
another maya maling list and another because of the really nice
sample image of a bear posted by Yolandi Meiring in a similar
thread here:
(Thread)
https://groups.google.com/forum/#!topic/xsi_list/2erKqUcghpI
<https://groups.google.com/forum/#%21topic/xsi_list/2erKqUcghpI>
(Image)https://groups.google.com/group/xsi_list/attach/994086131ca9460/bear_still.jpg?part=4&view=1
Another really nice one is a proof of concept of bringing
(3dsMax) hair-farm into Softimage
from Lee-Perry Smith, with props to Dani Garcia and Steven Caron.
That human hairdo and it´s renderings look incredibly awesome.
http://ir-ltd.net/hair-farm-hair-into-softimage/
For a Melena/Kristinka workflow using Anto Matkovic´s tools in
those beautiful shed projects
there´s a nice clip posted by/on Lester Banks
http://lesterbanks.com/2013/05/workflow-tips-for-creating-and-grooming-hair-in-softimage/
--
I have only limited amounts of time I can spend on this and
need to find something
that has potential to be useable for testing Redshift´s hair
shading approach when
applicable but ideally integrates seamlessly into either
Maya/Max/Softimage.
The combination of Maya+Redshift is allready working very well
and it seems it´ll be
easier to successfully migrate from simple hair/fur testing to
something actually looking
good (using yeti). Also, yeti has a variety of licensing
options I might find atractive
at a later date if tempted to actually finish something beyond
spare-time doodling.
I´d prefer Softimage but if that stuff works better in Maya,
it´ll be Maya.
I suck with Max, even the fastest and most intuitive plugin
can´t compensate that sad fact.
Cheers,
tim
On 08.02.2014 12:57, Stefan Kubicek wrote:
Hi Tim,
I've just been dealing with hair an a hamster and used the
built-in hair&fur of Softimage /2014SP2).
A few tips about working with built-in hair:
Avoid too dense meshes. It creates a guide hair for every
vertex, hence dense meshes make you fiddle with lots and
lots of guide hair strands manually, which can be
counter-productive and -intuitive.
If you want to edit hair parameters on a per vertex basis
(via vertex colors), you need to plan ahead where exactly
you want your hair to be and where you want certain features
(transparency, density, kink & frizz) to change and over
which distance/area. This is especially important for
areas like hand and feet, as well as nose & eye lids.
So, before you move the mesh into skinning/rigging, you
better make sure your topology works not only for
animation but also for the hair setup you have in mind.
Don't rely on the built-in style transfer functionality.
It does mostly work but has a tendency to "blur" the
transferred hair style, even if your source and target emitter
topology are the same. You need to move in again and
reintroduce details in the fur that got lost.
If you want to simulate hair with collision don't use a
subd mesh as the emitter. The docs say that having hair
emitted from a subd mesh cannot collide with its own
emitter, so you
have to duplicate the source mesh and subdivide it for
real (that is, create more actual polygons) and use that
as the collision object. That would still be acceptable, if it
worked, which it does not. What I found after tedious
testing was that any collision testing fails when your
emitter is a subd mesh, independent of what you have it
collide with
(itself or another mesh), which kinda sucks and is the
biggest problem I ran into for which I could not find a
solution. Thankfully my fur was rather short and the
character had a
lot of secondary motion, so it looks alife enough (besides
some problems when bending arms, which are hardly
noticeable in the animation in my case). >From what I can
tell it looks
like collision is always computed against a simplified
collision sphere representation of the collision object,
no matter what you set for collision accuracy and shape,
deforming
shape, etc. It just doesn't work, at least not for me.
Sometimes, when saving and reloading a scene some hair
strands (like 1 out of 1000) would suddenly stick in some
random direction. I had the impression that it helps to always
collapse the modeling stack before saving, at least it
never occurred again in final stages of production when
the fur description was final and not changed anymore.
Next time I will surely look at Kristinka or Melena. AS
for simulation...I believe there was a Strand Simulation
framework with self collision introduced on softimage.tv
<http://softimage.tv> some weeks
ago that looked promising, I haven't heard of ne1 using it
for hair so far, mayb someone else can comment on that?
Would love to hear some ideas on this as well.
Good luck,
Stefan
> Hi guys,
what would be a convenient way to create,style and
control hair
in Softimage, with lengths up to 10-12 inches and ideally
both a good collision model and dedicated styling tools?
Which Softimage version would you suggest, e.g. 2014sp2?
I´m a novice with hair and fur but would like to set up
a manageable sample/test that ideally works with Arnold
and Redshift.
Is it possible to work generic or transfer results from,
say Yeti into Softimage?
Would you recommend actually leaning towards Maya for such
a task, either going directly to Yeti or similar?
I know those are fuzzy questions, I guess I´m actually
looking
for a biased answer regarding any of the various hair
plugin options
for any of the major three apps, e.g. max/maya/softimage.
Sofar, I´ve found the following options:
hairfarm, yeti, ornatrix, shave&haircut, maya hair,
maya xgen "hair" in 2014ext
and the cinema4d hair options (shadowmapped).
Admittedly, that´s a lot of options and I find it
difficult to bet
my time-investment onto any of them since I simply
know bling about pro´s or con´s.
Cheers,
tim
