How to make fog with a HDR

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How to make fog with a HDR

Postby HHbomb » Wed Nov 14, 2018 4:52 pm

HHbomb Wed Nov 14, 2018 4:52 pm
Hi,
from the very beginning I don't understand in max all the stuff in octane light (visible, main, ...)
now, I need to make fog effect with an environnement medium.... argh
How can I make some fog with just an HDR for the lightning (not the sunlight) ?
If anybody can help.
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Re: How to make fog with a HDR

Postby SergKlyosov » Thu Nov 15, 2018 6:48 am

SergKlyosov Thu Nov 15, 2018 6:48 am
Hi HHbomb,

Here is a pretty good tutorial about fog https://inlifethrill.com/fog-octanerender-cinema-4d/
In the article author uses Cinema4D plugin, but the same principle goes to Max plugin and SA as well, cause Octane is pretty consistent across all integration

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Re: How to make fog with a HDR

Postby HHbomb » Thu Nov 15, 2018 10:12 am

HHbomb Thu Nov 15, 2018 10:12 am
Thanks SergKlyosov, It is because of this video I wonder how to achieve this in 3dsmax.... But environnement in max is not really the same than in C4d, and as I said I don't really understand all stuff in ocatne daylight UI. :cry:
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Re: How to make fog with a HDR

Postby SergKlyosov » Thu Nov 15, 2018 10:28 am

SergKlyosov Thu Nov 15, 2018 10:28 am
You don't need to use Octane Daylight
Please read the article more carefully, it is straightforward

I've attached screenshot from one of my scenes, so you can have more clear understanding how to apply that knowledge to max plugin

Cheers
Attachments
Scattering.jpg
TextureEnvironment.jpg
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Re: How to make fog with a HDR

Postby HHbomb » Thu Nov 15, 2018 10:44 am

HHbomb Thu Nov 15, 2018 10:44 am
@ SergKlyosov,
like this it look very simple... I use octane from version 1 and I don't really look at all the node inputs :oops: Yes, there is a medium input in texture environnement node ! Thanks, I'll try :-)

edit : thank you sooo much
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Re: How to make fog with a HDR

Postby mbetke » Fri Nov 16, 2018 8:55 am

mbetke Fri Nov 16, 2018 8:55 am
I get fog to work but have problem:

I get no falloff in fog. It starts full at camera origin. I tried several ways but had no luck. Usually fog should fade in at lets say 15m and then get more opaque.
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Re: How to make fog with a HDR

Postby twinsk8 » Mon Nov 19, 2018 5:42 am

twinsk8 Mon Nov 19, 2018 5:42 am
Hi i tried check every parameters finally i did it !
i think volume scattering or absor ramps dont work...
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fogy.JPG
fog
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Re: How to make fog with a HDR

Postby paride4331 » Mon Nov 19, 2018 9:21 am

paride4331 Mon Nov 19, 2018 9:21 am
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