volume spot light in 3dsMax

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volume spot light in 3dsMax

Postby patis » Sat Jul 11, 2020 11:32 am

patis Sat Jul 11, 2020 11:32 am
Hello, I am Octane for 3dsMax User.
I don't know how to adjust power of Volume spotlight.
It is always max....

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Re: volume spot light in 3dsMax

Postby paride4331 » Mon Jul 13, 2020 2:26 pm

paride4331 Mon Jul 13, 2020 2:26 pm
Hi Patis,
you would use some octane nodes to adjust the Octane spotlight,
Regards
Paride
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Re: volume spot light in 3dsMax

Postby coilbook » Thu Sep 09, 2021 8:17 pm

coilbook Thu Sep 09, 2021 8:17 pm
paride4331 wrote:Hi Patis,
you would use some octane nodes to adjust the Octane spotlight,
Regards
Paride



Hi Paride,
How do I change light color? How do you adjust spot brightness? When I add diffuse with emission to emitter material my small spot light disappears and the whole floor has light . Thanks
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Last edited by coilbook on Fri Sep 10, 2021 12:54 am, edited 2 times in total.
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Re: volume spot light in 3dsMax

Postby coilbook » Thu Sep 09, 2021 8:29 pm

coilbook Thu Sep 09, 2021 8:29 pm
Also when I set volume to red light becomes opposite color
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Re: volume spot light in 3dsMax

Postby paride4331 » Mon Sep 13, 2021 8:33 am

paride4331 Mon Sep 13, 2021 8:33 am
Hi coilbook,
I hope it helps.
Regards
Paride
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Re: volume spot light in 3dsMax

Postby coilbook » Sat Sep 18, 2021 12:59 am

coilbook Sat Sep 18, 2021 12:59 am
paride4331 wrote:Hi coilbook,
I hope it helps.
Regards
Paride

Thanks. Do you know if octane uses real volume lights or it's some fake 3d cone with scattering material? Why do CPU renders have a vast varieties of volumetric lights and GPU are so weak at it? Thanks
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Re: volume spot light in 3dsMax

Postby paride4331 » Mon Sep 20, 2021 8:54 am

paride4331 Mon Sep 20, 2021 8:54 am
coilbook wrote:
paride4331 wrote:Hi coilbook,
I hope it helps.
Regards
Paride

Thanks. Do you know if octane uses real volume lights or it's some fake 3d cone with scattering material? Why do CPU renders have a vast varieties of volumetric lights and GPU are so weak at it? Thanks


Hi coilbook,
it's a 3d cone with scattering material; alternatively you could use a "classic" fog cube.
viewtopic.php?f=27&t=59549&p=304625&hilit=fog#p304633
New coming Octane features should also help in this way.
https://youtu.be/AkoAm7zWgVI?t=1084
Regards
Paride
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