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Messages - oddvisionary

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Work in Progress/Tests / Mercedes E-Class Coupé
« on: 2018-11-12, 11:36:05 »
New project.. As you can see they are noisy tests renders. I had some issues and couldn't finish the project. I hope it's still enjoyable. Corona (beta) for Cinema 4D

More shots and details bellow ↴
Behance   :
Artstation :

I need help / Re: Using multiple HDRI's for lighting.
« on: 2018-11-11, 20:43:51 »
Like in car photography they often take multiple shots of the car throughout the day to get different lighting

I'm specializing in photo realistic automotive rendering, and obviously have a huge interest for car photography (I have a photographer background) and I've never saw that in my life. They do it yes but with flash/spot light etc but never like you said. If they do, well, it must be one guy out of the millions of photographers out here.

Also never saw anyone mixing different HDRIs, we all switch between them, not use them like you do which is very uncommon and I don't see the point to be honest. I do like to see a convincing results with your technique because so far, I'm not sold. No offense of course, just my personnal opinion.

I need help / Re: Using multiple HDRI's for lighting.
« on: 2018-11-11, 09:21:31 »
multiple hdri (...) at the same time in the render.

Using the slate editor, there is a way to mix them, in some kind of multiply/additive mode. Give it a try with a mix texture or something.

I don't understand why you want them "at the same time". You can switch between them in 2 mouse clicks, in 2s.

I need help / Re: Using multiple HDRI's for lighting.
« on: 2018-11-10, 06:39:38 »
In max I'm using as many HDRI as I want using the slate editor :

- Import your HDRI using the CoronaBitmap
- Add a Corona_ColorCorrect map > Link it to the Scene Env map in Render Setup
- Plug each HDRIs in your correct Corona_ColorCorrect map to switch between as many HDRIs as you want + control gamma intensity etc if required.

That's for the look dev part. For the LightMix, I did not tried anything yet, not sure if it's possible since it will have to Render "behind the scenes" each HDRIs.

Can you upload the scene and the assets here ? This way the devs will be able to reproduce this issue and give you an proper answer.

General Discussion / Re: Unclipped HDRI...?
« on: 2018-11-09, 07:55:11 »
谢谢解答,想请教各位作为新手如何挑选好的HDRI或者好的HDRI的标准是什么(Indoor rendering)

High dynamic range and good calibration is all you need. 4K resolution (you start to see pixelated reflections in 2K but it's not bad).

LINK TO THE GIF : | I posted on discord a list of some of the best HDRIs. Link in my forum signature.

I don't think Corona SSS (without textures) itself has something to do with texture tiling. It's more of UV/tiling issue than related to the SSS maybe?

General Discussion / Re: Unclipped HDRI...?
« on: 2018-11-09, 05:09:36 »
I downloaded an hdri website on hdrihaven and it says it's 22EV but I turned on the sun with PS and it was 16EV. I wonder why or do I understand something wrong

Have a read here :

Funny thing about indigo is its developed about 200 metres from my office in newcastle, UK!

You making me jealous now .

It's heavily physically based (light transport/spectral light computations) and is one of my favorite, sadly not as production ready as Corona is. And Corona is getting better and better as well and beside complicated-to-render caustics, it is very amazing to render with Corona. I like to work in wavelenghts with Octane and other capable engines, I miss a bit of that in Corona but it is not an downside on its own.

They did a great job (for Indigo) on the integrations but it's IMO in some kind of Beta development, there is a lot more to add to use it in production with ease and without a hundreads of workaround (Both Max and C4D).

OffTopic again, whoops.

I need help / Re: Corona Volume mtl
« on: 2018-11-08, 12:53:35 »
I cannot download your file for safety/security reasons. Can you upload screenshots instead please ?

I need help / Re: Glass Black not transparent without GI on?
« on: 2018-11-08, 11:15:34 »
Hello Dan.

In some renders I do not wish to have GI on for more dramatic lighting and deeper shadows but If I turn off GI the Glass like shell is black.

⚠️ : You should never turn off GI for artistic effect/look. Corona is a photo realistic physically accurate renderer, if it looks bad then it's up to you to work/study lighting and materials. If you show me your scene/render I can try to help you improve and guide you.

You will get your desire "look" with GI as it is how real life works. Photons ("light") is bouncing infinitely off of objects and surfaces, that's GI. It's crucial for photo realistic and physically accurate rendering as it mimic real life photons/bounces.

I need help / Re: Corona Volume mtl
« on: 2018-11-08, 11:12:36 »
Additionally to what sprayer showed, you can also play with directionality in CoronaLight settings. My favorite values are starting at 45 to 60.

Hey peeps,

I've been using both throughout the years and I can definitely say there are pros and cons to each. (...) When I switched to 3ds Max it was a whole different experience. The interactivity is a lot more like what you get in Octane in C4D where the IPR updates flawlessly.(...)
(...) I can't tell you how helpful that was for my professional growth as you can really see where the drawbacks of each software are at.


Off-Topic comment :
Talking about Indigo, this piece of science / tech and software is mindblowing. There is true geniuses behind it and I wish its development was being pushed further and wish them the best. I know it's not easy for this small team to implement the most complex algorithms and integrate them in Max/C4D. They already made some impressive exploits.

Huh...I was looking on Discord and I remember I saw this name on Facebook. Thanks for helping! Back to Max...I have to re do all my custom librairies on it now. Beside the nodes, per-material settings are the same. After that ↴

Quote from: oddvisionary
I probably will release my old C4D stuff on gumroad and share more making of here as requested. Just didn't had much time since then...

Thank you ;) I appreciate it!

Funny, I was using 3ds Max again at the beginning of the year and then switched back to C4D. I do think you'll like the complexity and robustness that it offers. You'll dislike some other stuff though :P

You are not by any chance going by the nickname Jin Roh on FB are ya?


Haha, I actually am in love with 3ds Max right now. Never felt so good in my life, and so far very stable. I'm starting to get used to the controls, UI and workflow and am very excited to learn more.

Corona is trully amazing on Max as it was its original integration.

Yep, that's me Jin Roh

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