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"Natalie's Ballet Room"

Posted By Nirwana 2 Years Ago
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Nirwana
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I've decided to upload a WIP render of an iClone project by 4u2ges, combined with the tutu he released a few days ago. The character animation is original, in the sense that it came with the project file. The iClone file needed some fairly comprehensive adaption and modification of materials for use in Cinema 4D. The hair and clothing simulation (top and tutu) were done in C4D. The city background is an actual 9 million poly 3D model and not a background plane. Unfortunately the render is low resolution (1920x822) and has rendering and noise issues. While the render is HDR (PQ 10 Bit), it may not show up as such on YouTube for a number of hours and obviously requires an HDR-capable viewing device.




My YouTube channel: Animations made with Cinema 4D and Reallusion Products

AutoDidact
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The simulation of the Tutu is a bit to linear and “jerky” as it lacks dampening.
Actually this is case where a bone rig based dynamics or “spring” type of simulation might be a better option
than pure cloth simulation as real life tutu’s seem to have some semi-rigid “springy” elements in their design 




Reallusion started down that road during the tail end of Iclone 7 with python.





RAG DOLL COLLISION ANIMATIONS FOR ICLONE 8 & 7
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Ghost Origins
My latest Feature length film created with Iclone.
https://forum.reallusion.com/uploads/images/adf9b210-df59-4cb6-aa1b-9de5.jpg
My Sci- Fi Graphic Novel on Amazon: https://a.co/d/9k3cwoY


4u2ges
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I'd have to agree, adding dampening would help a lot, otherwise it looks great.
Spring cannot be added to the cloth in iClone - only to props/accessories.
And tutu cannot be an accessory since it would not stay put on her waist.
The only way is to try the "magic" outside like Cinema 4D (I am sure Nirwana would come up with new versions).
I am quite busy lately, otherwise I'd try it in Blender or MD.





AutoDidact
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I am sure it could be done in Blender with the free spring bones addon 





RAG DOLL COLLISION ANIMATIONS FOR ICLONE 8 & 7
---------------------------------------------------------------------------------------------------------------------
Ghost Origins
My latest Feature length film created with Iclone.
https://forum.reallusion.com/uploads/images/adf9b210-df59-4cb6-aa1b-9de5.jpg
My Sci- Fi Graphic Novel on Amazon: https://a.co/d/9k3cwoY


Nirwana
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Well, if springs/bones are the solution then I won't achieve that because (a) I don't want to do that and (b) I'm not sure it would work either.

Compared to other cloth simulations, there are several things going on with this tutu:
- it needs to react to the body of the character, also the arms and hands (I'm not sure that could be realized with springs/bones without keying); however, since I'm not a Blender user, I won't research what (for example) that add-on can or cannot do and I know of no way to realize that in C4D either

- the three layers of the tutu need to animate separately and collisions between the three layers need to be handled, so with springs/bones you would probably need three layers of joint structures

- the "wavy" shape of the tutu needs to be somewhat retained; if the "structure" of the tutu is too weak, the "cloth" will smooth out and if no distance is kept between the layers then the "fluffy" look disappears

- in order for the simulation not to explode, certain minimum substep and iteration settings will probably have to be maintained which, in turn, lead to a "stiffer" cloth as well as higher simulation times

Also, I want a simulation, not animating morphs or joints or something like that for several hundred frames.

Yes, perhaps increased dampening is part of the solution but it also causes problems, at least during my tests since posting the original video and reading AutoDidact's initial comment.

I am sure Nirwana would come up with new versions

Probably. Although any video of alternative simulation settings will only be a very basic viewport render. This is not UE and "beauty" renders of the full scene take between 1 and 6 minutes per frame on my fastest machine depending on resolution and render settings, so a "beauty" render would have to wait until the simulation is locked in (and I have no other use for the render machine for a few days).


My YouTube channel: Animations made with Cinema 4D and Reallusion Products

AutoDidact
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s
Probably. Although any video of alternative simulation settings will only be a very basic viewport render. This is not UE and "beauty" renders of the full scene take between 1 and 6 minutes per frame on my fastest machine depending on resolution and render settings, so a "beauty" render would have to wait until the simulation is locked in (and I have no other use for the render machine for a few days).



I never really got into custom rigging in C4D, beyond using the incredible $20 IKMAX auto rigging plugin with with my “old” R26.
But there is a feature in C4D called Dynamic IK ,but still you would have to set up a fairly complex bone rig for the tutu “ruffles” that is also connected to the hips of the main character rig etc etc.
Not sure it’s worth the effort just for test animation.



Render times?.. Yeah that is one of the reasons I always preferred to use Vray with C4D as It actually has tolerable render times on my PC.
 And I have no GPU at all just Intel UHD integrated graphics.
(but I also have five machines of various capabilities)
Also unless I am doing an architectural fly through
I am a big fan of faking my animation  backgrounds ( whenever feasible) with an HDRI image on a sky dome, as I did for this Vray render of a CC3 exported mech that took only about 90 seconds  on my PC. 
https://forum.reallusion.com/uploads/images/5172aeec-777b-4c7b-859a-61d4.png




RAG DOLL COLLISION ANIMATIONS FOR ICLONE 8 & 7
---------------------------------------------------------------------------------------------------------------------
Ghost Origins
My latest Feature length film created with Iclone.
https://forum.reallusion.com/uploads/images/adf9b210-df59-4cb6-aa1b-9de5.jpg
My Sci- Fi Graphic Novel on Amazon: https://a.co/d/9k3cwoY


Nirwana
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Render times?.. Yeah that is one of the reasons I always preferred to use Vray with C4D as It actually has tolerable render times on my PC.

While I have never used Vray (I've always considered that to be an "architectural" engine as far as C4D is concerned), I kind of doubt that it is considerably faster than Redshift.
BTW: The "beauty" version of the Natalie scene has a ton of things that drive up render times: multiple reflections (in the mirrors are reflections of the mirrors reflected in the windows), GI from several sources, etc. Also C4D hair takes up a lot of render time; Natalie's skin has SSS and to get the noise (also in the hair) low, the render samples can not be too low.
This is an example of a 5+ minute render (original resolution is 3840x1644, colors are somewhat muted/dull, because this was not rendered as sRGB but was quickly converted to 8-bit jpg without proper color management since my workflow is geared towards converting my ACEScg C4D renders to HDR video and not sRGB stills):

Edit: the forum software has apparently reduced the image I uploaded to 1/4 (i.e. 1920x822), even when clicking on it to enlarge it.

https://forum.reallusion.com/uploads/images/d29aa1ef-57f0-4a71-8a9c-6d61.jpg

As far as backgrounds are concerned, for a variety of reasons, I only like HDRis (sky) for dome lights or IBL, not for depicting what would normally be actual mesh-based models. In other words, I'd rather accept longer render times than have an "image" as a visible background (with the exception of a sky and for lighting purposes).


My YouTube channel: Animations made with Cinema 4D and Reallusion Products

AutoDidact
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BTW: The "beauty" version of the Natalie scene has a ton of things that drive up render times: multiple reflections (in the mirrors are reflections of the mirrors reflected in the windows), GI from several sources, etc. Also C4D hair takes up a lot of render time; Natalie's skin has SSS and to get the noise (also in the hair) low, the render samples can not be too low.
.


When I retire ,in 22 months, I may eventually get a new main PC with a big GPU blah blah..
 
in the meantime render times for me are sort of moot because I  can always create models or animations  with Blender & Iclone on my other lower spec PC while my newest 2022 Dell is committed to long  multi hour renders with Blender cycles or Arnold or Vray in Maya or C4D.
And still have My Imac ,or my recently acquired FREE HP all in one running Linux, for watching movies or goofing off on the internet
playing with AI generators  etc.  



RAG DOLL COLLISION ANIMATIONS FOR ICLONE 8 & 7
---------------------------------------------------------------------------------------------------------------------
Ghost Origins
My latest Feature length film created with Iclone.
https://forum.reallusion.com/uploads/images/adf9b210-df59-4cb6-aa1b-9de5.jpg
My Sci- Fi Graphic Novel on Amazon: https://a.co/d/9k3cwoY


Nirwana
Nirwana
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I hear you. While all my PCs and notebooks are Windows machines, 3 PCs (with GPUs) are used for 3D, while the others are for office work, surfing the internet and, as you said, goofing off.

Anyway, back to the business at hand.

Here are the first two alternative versions (viewport renders as I said, that  is why the skin looks like shiny plastic) I have also integrated a frame counter, in case anyone wants to point out a specific thing by frame number:





My YouTube channel: Animations made with Cinema 4D and Reallusion Products

AutoDidact
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Both have alot of 
“noise” in the cloth sim at the beginning but the dampening effect , on both, is greatly improved once she starts her dance routine.



RAG DOLL COLLISION ANIMATIONS FOR ICLONE 8 & 7
---------------------------------------------------------------------------------------------------------------------
Ghost Origins
My latest Feature length film created with Iclone.
https://forum.reallusion.com/uploads/images/adf9b210-df59-4cb6-aa1b-9de5.jpg
My Sci- Fi Graphic Novel on Amazon: https://a.co/d/9k3cwoY



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