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Limitations of IRAY

Posted By charly Rama Last Year
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charly Rama
charly Rama
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For the moment, I love Iray. It's okay for me for time rendering, I render 30 s of animation during just one night so no time wasted.
The big problem is : I can't use particles, the DOF doesn't work well as the native render, and fog is missing. For the water, I use soft cloth with video texture, it's really ok but we also need REAL FLOW as in other 3D softwares using it. That's a big limitations for Iray but one more time, I LOVE Iray.

My computer : I7 24Go RAM GTX 1070ti 8Go and GTX 1050Ti4Go
     


sonic7
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Charly! YES - I too *LOVE* the 'look' of Iray... But the *limitations* - yes, there are limitations - the most basic being *time*. But - if you've got the time, AND you can live with the other 'constraints' - it's a terrific end result and a *great look* for sure ....

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Please be patient with me ..... I don't always 'get it' the first time 'round - not even the 2nd time! Sad  - yikes! ... 
MSI GT72VR Laptop, i7 7700HQ 4-Core 3.8 GHz 16GB RAM; Nvidia 1070, 8GB Vram iClone-7.71  3DXChange Pro  CC-3 CT-8  HeadShot  Brekel Pro-Body Mocap  Popcorn FX  PopVideo  iRAY  Kinect V2  Vegas Pro 16  Mixcraft 8.1 Pro

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Last Year by sonic7
charly Rama
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Yes, Steeve, I've pushed so far and I renderd with 20 iterations, denoising 19, It was fast  SmileI'll show here the result, not too bad.
It's really nice. I'm looking for a way to "cheat" as with the water for the fog and particles using transparent videos, we will see...

My computer : I7 24Go RAM GTX 1070ti 8Go and GTX 1050Ti4Go
     


charly Rama
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When will this possible ? It's Iray, and it's water




My computer : I7 24Go RAM GTX 1070ti 8Go and GTX 1050Ti4Go
     


animagic
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The DOF works for me, but I change certain settings in iClone, which are not realistic. I set Perfect Focus Range to 0 and then only use Focus Distance and Transition Region. Occasionally, I also adjust the Blur Strength.

If you want to get fancy, you can render a Depth map out of Iray and do the DOF in post.


https://forum.reallusion.com/uploads/images/1a09220f-ab50-42ac-ad1a-33ec.pnghttps://forum.reallusion.com/Uploads/Images/d14339d0-cd32-4b35-88f9-40a0.png


charly Rama
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Thank you Animagic, I'll give a try of that.

When I have to use particles, I 'm forced to use nativ render . 



My computer : I7 24Go RAM GTX 1070ti 8Go and GTX 1050Ti4Go
     


animagic
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I've been wondering if it would be possible to somehow combine the Iray render with the native render, which would provide the particles.


https://forum.reallusion.com/uploads/images/1a09220f-ab50-42ac-ad1a-33ec.pnghttps://forum.reallusion.com/Uploads/Images/d14339d0-cd32-4b35-88f9-40a0.png


sonic7
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@Job " ..... If you want to get fancy, you can render a Depth map out of Iray and do the DOF on post ..... " 
Yes, I've heard that said before, but now you've got me thinking ... This method of rendering out an Iray 'depth map' I'd assumed was for creating DOF looks on 'Iray' renders (in post). But I wonder how it would work (the same approach), combining an Iray depth map - but with standard iClone renders? - could be interesting - I might do some testing ...


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Please be patient with me ..... I don't always 'get it' the first time 'round - not even the 2nd time! Sad  - yikes! ... 
MSI GT72VR Laptop, i7 7700HQ 4-Core 3.8 GHz 16GB RAM; Nvidia 1070, 8GB Vram iClone-7.71  3DXChange Pro  CC-3 CT-8  HeadShot  Brekel Pro-Body Mocap  Popcorn FX  PopVideo  iRAY  Kinect V2  Vegas Pro 16  Mixcraft 8.1 Pro

Kipster
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if you use After effects or hitfilms a depth map is a easy way to composite in them pesky particles
you also have the same geometry and cameras so you can turn obstructions into mattes
and everything composites with little fuss


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Rampa
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It's actually really easy to create a iClone render depth-map as welI. You basically just kill the lights in your scene and turn on the fog set to white. Adjust  the fog range so the far away is as white as you like, and the immediate foreground is black (not effected by white fog).



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