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Messages - PROH

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1) make sure both your system units and display units are set up correct (Press "f1" for help if needed)
2) make sure that you are modeling in correct physical scale
3) adjust the absorption distance in the material if needed
4) try to understand the help people provide you before asking the same question again

Hope it helps

According to your definition ALL renderer are mediocre? It's not only Corona that is "exposed" (your wording) as such - but ALL renderer.

We all would like better caustic, but your wording isn't getting things moving forward.

[Max] I need help! / Re: FBX Export 3ds max Corona materials
« on: 2020-08-06, 13:40:56 »
UMC - Universal Material Converter. It's a commercial plug in. Find it at

RC1. When in doubt, you can always check the daily changelog thread :)

[Max] General Discussion / Re: Corona scene Convertor.
« on: 2020-07-27, 00:12:59 »
It could also simply mean, that there were some Autodesk Materials present in the compact material editor - no matter if they were used in the scene or not.

The only issue is that these materials might be converted slightly "wrong", and therefore needs some attention. But the same goes for other materials without warning :)

[Max] I need help! / Re: HDRI Problem: Missing Sunlight?
« on: 2020-07-19, 20:27:45 »
Hi. Tried the HDRi (winter_sky) without any issues. Maybe you could give some more information on your setup, bitmap loader used, bitmap setings etc.

If you are using a VRay HDR-loader, this is/was known to cause issues. If not, then we need more info :)

[Max] I need help! / Re: Shadows in Corona
« on: 2020-07-19, 02:51:46 »
A Corona light (spherical)

[Max] I need help! / Re: Shadows in Corona
« on: 2020-07-18, 20:05:37 »
It works fine - just do as maru said :)

[Max] I need help! / Re: Shadows in Corona
« on: 2020-07-18, 18:18:22 »
Hi. Your reference picture is a night picture with almost no other light than your lamp. Your render is a full daytime render with lots of other lights turned on. No chance to see how the shadows from your lamp looks like at night.

Hi. I think 3dsMax & Corona are a great choise for the job :)

You're mixing up things in a slightly wrong way. The number you're showing on the pic., is referring to the physical scale of the object - not pixel density. The same goes for numbers used with "Real world Scale". When using "Real World Scale" both the material and the UVW should be set to "Real World Scale" - not traditional 1 to 1 UV space.

I suggest looking up "Real World Scale" in the 3dsMax help files, to get a better understanding of this, and understand how to switch between "Real World Scale" and traditional 1 to 1 UV space.

Best luck.

[Max] I need help! / Re: corona5 interactive render
« on: 2020-07-08, 16:46:56 »
I think the problem is related to the use of Nvidia denoiser in IR. Try to uncheck it, and see if it helps. This should make IR works as in previous versions.

[Max] I need help! / Re: Corona material wrong scale?
« on: 2020-06-22, 22:59:59 »
Hi. It looks like you're missing an UVW map on the object. Set the UVW map to "Box" and "Real World Scale", turn on the light, and it should work :)

@madcat117 - as I already asked once: please give an example of one of those "other renderer" that does caustic faster and better.

Otherwise I'll consider you a troll.

[Max] Resolved Bugs / Re: Incorrect rendering
« on: 2020-06-14, 10:47:09 »
Hi. Sounds strange.

Try to unlock the rendered view, and try rendering other views incl. perspective. Does this work?

Nope - it doesn't work with Snapshot. You only get a copy of the CoronaScatter.

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