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Chaos Corona Forum
Chaos Corona for 3ds Max
[Max] I need help!
[solved]Fireflies in Leafs of Emmision Channel
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Topic: [solved]Fireflies in Leafs of Emmision Channel (Read 3440 times)
2015-10-12, 15:59:44
Dippndots
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Posts: 296
Alex Fagan Co-Founder at The Faction
[solved]Fireflies in Leafs of Emmision Channel
I need help getting rid of these fireflies in my emission channel. This happens regardless of reflectivity (was getting different fireflies there, but toned them down by reducing glossiness).
The leaves are opacity mapped and use the RGB Intesity for Mono Channel Output. The background is just an .hdr in the direct visibility slot.
I can solve the problem by rendering out the background separately, but that's an annoying work around.
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Last Edit: 2015-10-13, 14:19:36 by maru
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2015-10-12, 16:24:58
Reply #1
maru
Corona Team
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Posts: 12812
Marcin
Re: Fireflies in Leafs of Emmision Channel
I don't understand what is going on here, but maybe this will help?
https://coronarenderer.freshdesk.com/support/solutions/articles/5000653557
Can you show some more renders, from a different angle, different zoom level? Can you show the material setup for the leaves?
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Marcin Miodek |
chaos-corona.com
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2015-10-12, 16:42:22
Reply #2
Dippndots
Active Users
Posts: 296
Alex Fagan Co-Founder at The Faction
Re: Fireflies in Leafs of Emmision Channel
yeah sorry, its difficult to see whats happening, I've attached 5 frames from the emission channel if you click through them you can see the flickering. The material tree is attached too, the other leave materials are the same.
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2015-10-13, 10:14:35
Reply #3
Dippndots
Active Users
Posts: 296
Alex Fagan Co-Founder at The Faction
Re: Fireflies in Leafs of Emmision Channel
I just turned off the opacity maps on all the leafs to see if that was the issue, but it wasn't, the fireflies are still there in the emission channel.
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2015-10-13, 10:31:55
Reply #4
maru
Corona Team
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Marcin
Re: Fireflies in Leafs of Emmision Channel
Can you send the scene (or the problematic object + material) to us?
https://coronarenderer.freshdesk.com/support/tickets/new
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Marcin Miodek |
chaos-corona.com
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2015-10-13, 12:19:16
Reply #5
Dippndots
Active Users
Posts: 296
Alex Fagan Co-Founder at The Faction
Re: Fireflies in Leafs of Emmision Channel
Ok, this particular tree is from Laubworks, but it was happening on regular edit-poly trees too, so I'll put a scene together and send it over
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2015-10-13, 13:44:43
Reply #6
maru
Corona Team
Active Users
Posts: 12812
Marcin
Re: Fireflies in Leafs of Emmision Channel
Most probably solved: old bug where CoronaBitmap behind transparent objects would be displayed in "screen" mode regardless of its settings. Fix is to use daily builds or switch from Corona Bitmap to standard 3ds Max bitmap node. Waiting for confirmation and will be resolved.
update: yup
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Last Edit: 2015-10-13, 14:19:17 by maru
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Marcin Miodek |
chaos-corona.com
3D Support Team Lead - Corona |
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Chaos Corona for 3ds Max
[Max] I need help!
[solved]Fireflies in Leafs of Emmision Channel