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Topics - CJRenders

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[C4D] I need help! / .mtl issue again
« on: Yesterday at 20:11:29 »
I've made posts about this before but never got a true solution. I've gone through 1000s of models that come with .OBJ and .MTL files but have never been able to figure out how to get the mtl files to upload with the objects. I've linked a scene below and was wondering if someone more knowledgeable would help show me how to properly import the .MTL file with the scene. OR atleast tell me why it doesnt work.

Scene link :

any help is appreciated.

[C4D] General Discussion / Polyhaven alternatives
« on: 2021-12-21, 17:25:28 »
 Im curious to see if anyone has any alternative sites for HDRIs instead of Polyhaven.

Hello, I was wondering if anyone else has run into a black viewport issue after downloading the newest corona 8 daily build?

[C4D] Feature Requests / Corona Material Expansion
« on: 2021-10-07, 17:39:54 »
I'd love to see a mass expansion of corona materials. More styles of metals, woods, tiles, and fabrics for sure! My workflow will thank you lol

[C4D] Feature Requests / Sun Exclusion Tolerance
« on: 2021-09-22, 21:54:03 »
Forgive me and educate me if there is already something similar to this that I'm unaware of.. But I'd love to be able to exclude objects from the sun at an adjustable amount. Say I just wanted to exclude 80% of the light from the sun on a single object. This would be amazing!

[C4D] General Discussion / Corona materials
« on: 2021-08-11, 19:46:33 »
I'm absolutely loving the new corona materials, however I have something I want to discuss about them...

1.Has anyone else noticed that the displacement maps have to be inverted from the original material to work correctly?

2.Why is every metal set to 999 IOR? Its physically not correct and I have to adjust every metal to its real IOR value but shouldnt they be the true IOR by default?

Gallery / Green Glass
« on: 2021-08-06, 17:29:09 »
Spent probably too much time perfecting this glass but I'm happy with the result!

[C4D] I need help! / Glass and metal material in viewport
« on: 2021-07-09, 18:19:23 »
Is there a way to get glass and metal materials to actually show in the viewport? Currently they just show as black until I render them.

Am I making the materials wrong and thats why they arent showing or is this just something people deal with? I know in vray and standard render itll show me the chrome and glass but for some reason corona never has.

I appreciate any feedback!

I have been loving the material library! I hope more is added at some point!

 However, I have some concerns...
 Concern 1 : Metals are set to anywhere from 80-999 IOR which doesnt seem right or realistic and have to be turned down to work in a realistic lit environment.

 Concern 2 : Displacement maps need to be inverted to properly display the displaced area. (is this just a setting issue I have or are others experiencing this?)

 Let me know if you think im doing something wrong or youve experienced these minor issues as well!



[C4D] I need help! / Excluding Sky from 1 object
« on: 2021-06-17, 17:14:25 »
The title says it all. I know that you can turn off reflections and refractions on sky and it effects the entire scene but you cant target a single object to not be effected by the sky like you can the sun. Whats the best method to exclude a single object from the skys reflection?

 I could render the object in a separate scene and overlay but id be doing about 200 product images and want to avoid extra photoshop editing if possible. any suggestions?

[C4D] General Discussion / Sun and Sky
« on: 2021-06-15, 17:14:51 »
Can someone please explain what exactly happens when you have the sun linked to the sky like this? It doesnt change the direction or values to match the sun so what exactly is its purpose? or is that its purpose and it just doesn't work? screenshot attached to show what I mean. Terminology is not my strong suit.

Gallery / Cullen's Projecys
« on: 2021-06-14, 21:35:13 »
 Just some product images I've done. What do you think?

[C4D] I need help! / Time Limit Being Ignored
« on: 2021-05-25, 14:10:54 »
So last friday I set up renders on my render queue and left for the weekend. I came back to the first render STILL RENDERING after 63 hours when the limit was 55 minutes for each image. Shrugged it off and thought maybe the conversion to s24 showed the time limit set to 00:55:00 but didnt actually recognize it. Sooo I went through each scene and zeroed out then re-added the 00:55:00 time limit and saved each scene and readded it to the queue. This was yesterday; today I came into work and even though the images in queue were rearranged and there was a different scene in the first spot...IT STILL rendered that first image all night and never moved to the second. Does anyone know what could be happening here? I'll contact corona renderer if we cannot find the solution here.


 I'll share the scene via a private message if someone wants to take a look.

EDIT : I believe it has something to do with when my screen locks after 30 minutes it stalls the progress of the render and goes infinitely. Test now

[C4D] Daily Builds / New daily build crashes c4d
« on: 2021-05-18, 17:40:57 »
Installed the new daily build and it crashes c4d and wont stay open.. cool

[C4D] Feature Requests / Improve Converting Materials
« on: 2021-05-04, 15:26:11 »
Currently, converting materials doesnt properly change values to corona materials.

Example : reflection channels from standard render is converted to a volumetric channel when convert.

ALSO! .MTL support would be amazing!@!!@!@ but thats probably a c4d problem not corona

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