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Poser - OFFICIAL F.A.Q (Last Updated: 2024 Dec 04 12:42 pm)



Subject: IDL and dynamic hair


vincebagna ( ) posted Tue, 29 September 2009 at 1:58 PM · edited Tue, 03 December 2024 at 9:41 PM

file_440383.jpg

I did some tests and found that dynamic hair render much much faster with IDL than transmapped hair! Also, it's much faster than with previous Poser version, and the outcome is highly better.

In the render here, the hair shader is perhaps a little 'off' but i quite like the result :)

I don't know though how the hair node is treated in the IDL calculation...

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ice-boy ( ) posted Tue, 29 September 2009 at 2:04 PM

a fantastic render. how long was the render time? 


lululee ( ) posted Tue, 29 September 2009 at 2:11 PM

Would it be possible for you post your render settings?
I am totally overwhelmed by Idl but this is an outstanding render.
cheerio
lululee


Yarivt ( ) posted Tue, 29 September 2009 at 2:41 PM

Very nice looking hair. I tried many times to do dynamic hair but I guess I'm not a coiffeur.
Can dynamic hair be saved in library for reuse? is it a prop or something else?


bagginsbill ( ) posted Tue, 29 September 2009 at 2:50 PM · edited Tue, 29 September 2009 at 2:51 PM

Dynamic hair can be styled without the figure and saved as a new library item for use later.

Poser 8 IDL was specially optimized for dynamic hair, according to Stefan. It is way faster than it used to be, even with IDL, and way faster than transmapped hair.

I, too, find it impossible to style it, but I imagine it's a skill one can develop, just like using any other tool.


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hoplaa ( ) posted Tue, 29 September 2009 at 3:35 PM

If only there were some good short hair styles for men. I'm so utterly sick of mesh based hairs that don't fit properly, only look passable under optimal lighting conditions and camera angles, take ages to render...


Yarivt ( ) posted Tue, 29 September 2009 at 3:50 PM

I didn't find any dynamic hair products in the store, I guess because it was very hard to work with and very slow until now. Maybe now with P8 people will start to share and sell dynamic hair. I sometimes clothify transmapped hair to make it move in animations, but it rarely looks real because hair doesn't move like cloth.

If one know where I can find ready made styled dynamic hair ... I would love to play with it.

Yariv


vincebagna ( ) posted Tue, 29 September 2009 at 4:28 PM

file_440395.jpg

This render took 18min 41s with the above settings. I guess it could be lowered a bit :)

The hair shown here is one of the dynamic hair that come with P6 Jessi.
The best way to use dynamic hair is to grow them on a skullcap and save that skullcap with hair in the hair folder.

Yarivt, you'll find some great dynamic hair in the freestuff section. Most of them are from adorana.
http://www.renderosity.com/mod/freestuff/search.php?section_id=-1&query=dynamic+hair&sort=relevancy&use_age=no&older_age=&older_units=day&newer_age=&newer_units=day&username=
There are some also in the RDNA store.

Quote - Dynamic hair can be styled without the figure and saved as a new library item for use later.

Poser 8 IDL was specially optimized for dynamic hair, according to Stefan. It is way faster than it used to be, even with IDL, and way faster than transmapped hair.

I, too, find it impossible to style it, but I imagine it's a skill one can develop, just like using any other tool.

BB, i didn't know IDL was optimized for dyn hair, it should have been advertised as the results are simply wonderful! It means that now dynamic hair is usable in Poser ;)
Have you ever looked at the hair node? what do you think of it?

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bopperthijs ( ) posted Tue, 29 September 2009 at 4:28 PM

Adorana has a lot of dynamic hair in the freestuff area for V3, with a little modification you can also use them for V4, If you visit her website she also hair for M3 and a whole set of material preset for all kinds of haircolors. She is one of my favourites.

You can find her website here:

www.adorana.de/index.php

best regards,

Bopper.

-How can you improve things when you don't make mistakes?


lkendall ( ) posted Tue, 29 September 2009 at 4:45 PM

Actually there is dynamic hair at Renderosity.

Dixie Dynamic Hair,V4,A4,A3,Miki2,Laura, ETC.
http://www.renderosity.com/mod/bcs/index.php?ViewProduct=66228&keyword=dynamic&list=title

There is a Dynamic Hair catagory in the Free Stuff section here at Renderosity.

At Content Paradise ther is a Dynamic Hair Shaders product to color dynamic hair.
http://www.contentparadise.com/productDetails.aspx?id=2946

From RDMA, DNA P5 Pre-Raphaelite Hair,
http://www.runtimedna.com/DNA-P5-Pre-Raphaelite-Hair.html

DNA P5 Analinde Dynamic Hair for Victoria,
http://www.runtimedna.com/DNA-P5-Analinde-Dynamic-Hair-for-Victoria.html

DNA P5 Naughty Nikki Hair For Victoria,
http://www.runtimedna.com/DNA-P5-Naughty-Nikki-Hair-For-Victoria.html

DNA P5 Dynamic Hair Mega Pack,
http://www.runtimedna.com/DNA-P5-Dynamic-Hair-Mega-Pack.html

DNA P5 Fashion Hair for V2/V3,
http://www.runtimedna.com/DNA-P5-Fashion-Hair-for-V2-V3.html

DNA P5 Razor Hair for V2/V3,
http://www.runtimedna.com/DNA-P5-Razor-Hair-for-V2-V3.html

DNA P5 Romantic Hair for V2/V3,
http://www.runtimedna.com/DNA-P5-Romantic-Hair-for-V2-V3.html

Art Of Aesia vol6 A - Sexy Outfit,
http://www.runtimedna.com/Art-Of-Aesia-vol6-A-Sexy-Outfit.html

And for men, DNA P5 Dynamic Wizard Hair and Beard,
http://www.runtimedna.com/DNA-P5-Dynamic-Wizard-Hair-and-Beard.html

I may have missed some at these sites. Maybe, with encouragement, someone will put the effort into making some more dynamic hair.

LMK

Probably edited for spelling, grammer, punctuation, or typos.


bopperthijs ( ) posted Tue, 29 September 2009 at 4:49 PM · edited Tue, 29 September 2009 at 4:51 PM

KaiZ also has some dynamic hair, although he withdraw some of his products, perhaps he can be convinced to sell them again because they looked rather good.
I hope this new features on poser 8 will encourage a lot of hair stylist to make more dynamic hair.

regards,

Bopper.

-How can you improve things when you don't make mistakes?


bopperthijs ( ) posted Tue, 29 September 2009 at 5:17 PM

file_440398.jpg

This is Adorana's Shena hair that I restyled some weeks ago for a chararcter I'm working on. It took me about 14 minutes to render.

regards,

Bopper.

-How can you improve things when you don't make mistakes?


lululee ( ) posted Tue, 29 September 2009 at 5:43 PM

Thanks so much for all of the great info. I really appreciate it.
cheerio
lululee


jdcooke ( ) posted Tue, 29 September 2009 at 9:17 PM

Thanks for the heads up on dynamic hair.  I hadn't read anything about it being faster - nice little surprise.

 


Believable3D ( ) posted Tue, 29 September 2009 at 10:32 PM

Kinda funny. I've been thinking about dynamics a lot lately. I had never seen any really good renders, to be honest. But Vince, that image looks amazing. More realistic than any transmapped hair I've seen, I'd say.

I've had Dixie hair on my wishlist, precisely because I wanna play with something that already gives me a starting point before getting carried away creating my own, because I'm sure it would be very time-consuming.

Very good to hear P8 is better optimized for dynamics. That's a really nice hair render for that amount of time.

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Software: Windows 10 Professional/Poser Pro 11/Photoshop/Postworkshop 3


ice-boy ( ) posted Wed, 30 September 2009 at 1:40 AM

you used 12 bounces for IDL? i wonder if it would still look good with 3 bounces? 


vincebagna ( ) posted Wed, 30 September 2009 at 2:23 AM

I'm not sure if setting more IDL bounces adds that much to render time, so i prefer to keep it high :)

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ice-boy ( ) posted Wed, 30 September 2009 at 2:40 AM

with 12 it takes a lot longer.


vincebagna ( ) posted Wed, 30 September 2009 at 2:47 AM

Ooch! So i guess lowering it is not big trouble, except if you have a very complicated scene :)

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ice-boy ( ) posted Wed, 30 September 2009 at 3:10 AM

you could be right.


Yarivt ( ) posted Wed, 30 September 2009 at 4:08 AM

If hair is dynamic then it shouldn't be a problem to adjust it to other characters, right?
It sounds like only the skullcap need to be adjusted...

Yarivt


ice-boy ( ) posted Wed, 30 September 2009 at 4:12 AM

styling the hair in poser is very hard for me. i watched the tutorials and they are good but i would need more practice.


vincebagna ( ) posted Wed, 30 September 2009 at 6:18 AM

file_440441.jpg

Here is another example using one of the P6 James strand hair resized to fit M4. I doubled the number of hair as we could see his head through it. The same render settings except that i lowered the IDL bounces to 3. Render time: 15min 20s. I noticed the render is faster if you make the skullcap invisible :)

To adapt hair from other figures, you need to translate and scale the skullcap to your need.

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ice-boy ( ) posted Wed, 30 September 2009 at 6:36 AM

if its faster then transmapped hair then i guess we will use this now.

is dynamic hair even without iDL faster in poser? because i think SM never said this.

p.s. : you used shadows on the hair right? 


vincebagna ( ) posted Wed, 30 September 2009 at 8:03 AM

It is faster indeed :)
And yes i used raytraced shadows on the hair.

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vincebagna ( ) posted Wed, 30 September 2009 at 8:27 AM

file_440444.jpg

Now just to demonstrate the effect of the tick box 'Opaque_in_shadow' of the hair node, here is a small render with the 'Opaque_in_shadow' box unticked.

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vincebagna ( ) posted Wed, 30 September 2009 at 8:28 AM · edited Wed, 30 September 2009 at 8:29 AM

file_440445.jpg

Now with the box ticked.

To better see the difference, open the two pictures in different tabs and switch from one to the other. Look at the top of his head we can see through the hair and the shadow produced by the hair on his forehead.

Edit: render time: 3min 50s for both renders.

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RedPhantom ( ) posted Wed, 30 September 2009 at 9:34 AM
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Ok this is another reason to get p8. i've got a bunch of dynamic hair that i never use but would love to.


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lululee ( ) posted Wed, 30 September 2009 at 1:53 PM · edited Wed, 30 September 2009 at 1:53 PM

vincebagna,
I noticed your render settngs image says D3D on the top.
Mine does not say that. I am on a PC.
Are you using something different to render with?
cheerio
lululee


vincebagna ( ) posted Wed, 30 September 2009 at 2:04 PM

Quote - vincebagna,
I noticed your render settngs image says D3D on the top.
Mine does not say that. I am on a PC.
Are you using something different to render with?
cheerio
lululee

Nope, rendered in P8 :)
The D3D render setting script is located under Scripts/Partners/Dimension3D/RenderFirefly.
It allows you to set up additional settings than the normal render setting window, as IDL bounces separately from the raytraced bounces for instance ,)

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Miss Nancy ( ) posted Wed, 30 September 2009 at 2:13 PM

vince, thanks for the info on dynamic hair and IDL.
is there any degradation in any shiny or reflective surface when ray trace irradiance cache is zero?
I have a feeling that any render effect other than diffuse bounces will require both ICs to have at least some moderate value, e.g. 50.



lululee ( ) posted Wed, 30 September 2009 at 2:53 PM

Thank so much Vince. I have really learned a lot from this thread.
cheerio
lululee


lululee ( ) posted Wed, 30 September 2009 at 3:20 PM

Vince,
could you tell me where the "Opaque_in_shadow" node is located?
Cheerio
lululee


vincebagna ( ) posted Wed, 30 September 2009 at 4:04 PM

I don't know for the IC=0 effect, though i have already use this 0 value, but it was for large scenes where reflections were not that noticeable.

Lululee, 'Opaque_in_shadow' is a setting on the hair node, it's not a node by itself :)

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carodan ( ) posted Wed, 30 September 2009 at 5:23 PM

Any chance of seeing the shaders/settings you're using for the hair (particularly the for the last set of renders)?

 

PoserPro2014(Sr4), Win7 x64, display units set to inches.

                                      www.danielroseartnew.weebly.com



Miss Nancy ( ) posted Wed, 30 September 2009 at 5:52 PM

setting D3D's first IC to zero in an IDL render might speed it up, but then ray-trace-dependent fx would have maxError=1.0, which would be bad IMVHO.



bagginsbill ( ) posted Wed, 30 September 2009 at 7:31 PM · edited Wed, 30 September 2009 at 7:31 PM

D3D's first IC is not applicable to IDL - that is the IC value for AO. There is no AO with IDL.


Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)


pitklad ( ) posted Wed, 30 September 2009 at 7:39 PM

Those are great news!
I always liked to play with dynamic hair althought not many times had a good result...
Those renders really make a huge difference! IDL helps dynamic hair look much more realistic!


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Miss Nancy ( ) posted Wed, 30 September 2009 at 10:36 PM

if I read the python manual correctly, setGImaxError nullifies setmaxError, hence even as enabling IDL prevents any light-associated AO from being calculated, so setting D3D's second IC may prevent D3D's first IC from being used in the occlusion/gather/IDL calculations.  however, there are some discrepancies in said manual, e.g.:

  • setGInumbounces not officially supported
  • setGInumsamples not officially supported
  • setMaxSampleSize not officially supported

this is gonna make it tough for their techs to explain those things, unless they're just more typos.  I wish I had a dollar for every typo I've spotted so far. :lol:



bagginsbill ( ) posted Wed, 30 September 2009 at 10:58 PM · edited Wed, 30 September 2009 at 11:00 PM

The phrase "not officially supported" is not a typo. Perhaps you're assuming that the phrase is equivalent to "doesn't work"? That's not what it means. It means it isn't officially supported. They could remove it or make it do something different or do nothing anytime they feel like. It may not work the way it is documented. They may not fix it if you find a bug in it. Etc.

A while back, Whichway, while investigating the IDL settings, posted a screenshot of the D3D settings he used in a render, where he had the first IC set to 200. Stewer replied:

Quote - The one set to 200 is the occlusion cache, which doesn't get used at all in this case - that one's for AO only (and internally, Poser clamps it to a max of 100 anyway).

The deciding factor here is the second IC parameter.

I suspect, although Stefan has never spoken about it, that IC=0 is not 100% error, because, similarly, Poser would clamp that at 1.


Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)


vincebagna ( ) posted Mon, 05 October 2009 at 2:37 AM

file_440712.jpg

Here is the shader for the black hair.

Also i've posted the final version of the red haired girl in the gallery if someone is interested :)

http://www.renderosity.com/mod/gallery/index.php?image_id=1957113

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lululee ( ) posted Mon, 05 October 2009 at 9:02 AM

Thanks so much for sharing this, Vince.
cheerio
lululee


hborre ( ) posted Mon, 05 October 2009 at 9:40 AM

Thank you, Vince.  This will come in very handy.


carodan ( ) posted Mon, 05 October 2009 at 10:03 AM

Yes, thanks for this.
Just one thing - it looks like you have the colour of the root Translucence channel as black (therefore having no effect). Is this correct or do you have a very dark grey in there?

 

PoserPro2014(Sr4), Win7 x64, display units set to inches.

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TrekkieGrrrl ( ) posted Mon, 05 October 2009 at 11:47 AM

 Ah so THAT is what the Opaque_in_shadow do. Thanks,. I'll try that.

I've been using dynamic hair evers ince I first saw this thread. It does indeed look better than it used to AND render faster. A true win-win situation ^_^ v

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Vestmann ( ) posted Mon, 05 October 2009 at 1:07 PM

Anyone know of V4 skullcaps that might well with dynamic hair?




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Believable3D ( ) posted Mon, 05 October 2009 at 7:47 PM

I'm only aware of this:

www.renderosity.com/mod/bcs/index.php

.. but haven't tried it.

______________

Hardware: AMD Ryzen 9 3900X/MSI MAG570 Tomahawk X570/Zotac Geforce GTX 1650 Super 4GB/32GB OLOy RAM

Software: Windows 10 Professional/Poser Pro 11/Photoshop/Postworkshop 3


Michael314 ( ) posted Thu, 04 March 2010 at 4:21 PM

Quote - Adorana has a lot of dynamic hair in the freestuff area for V3, with a little modification you can also use them for V4, If you visit her website she also hair for M3 and a whole set of material preset for all kinds of haircolors. She is one of my favourites.

You can find her website here:

www.adorana.de/index.php

best regards,

Bopper.

Hello,
thanks a lot, much appreciated! Very useful link.

Best regards,
  Michael


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