Corona Renderer 6 for 3ds Max - Daily Builds Discussion

[TomG]

5 minutes into working with the freshlin install daily and:

File: c:\Corona\dependencies\src\maxSdk\2018\include\point3.h
Line: 333
Function: operator /
Expression: f != 0.0f

Any ideas?

Known issue that is being investigated, (Internal ID=479299762)

[TomG]

PS if you have the scene, private uploader could be useful to add another case to our investigation :)

[LuckyFox]

hdri texture in reflection override slot causes some wacky behavior

[romullus]

If you mean excessive noise, then it's a known issue and been like that for ages. The solution is to use LDR image for overrides.

[shortcirkuit]

i second that - i experienced this the other day

hdri texture in reflection override slot causes some wacky behavior

[xbaroka]

Hi!

i try out v6 last daily build hopefully no longer this Lightmix noise issue.

If i turn off the sun or other light source and save in exr with all separate light this noise never disappear.
Is there hope this issue will disappear in future Corona render ?
Right now any solution to render a separate light source and render once without this issue ?
i use default settings
you can see the environment still have noise under sun

Thx!

[TomG]

Not fully sure I understand the question, sorry. But some thoughts (if I do understand right :) )

- Be sure denoising is enabled for all LightSelects
- When turning off a very bright light source, such as the sun, there may be more noise in the other LightSelects where this light source was present - this is due to the Adaptive light solver, which can only assess the overall scene. Since there was a bright light source at that part of  the image, more processing power was given to that light source, since it was the most major contribution to that part of the image. Less processing power was given to other light sources in that area. So, in LightSelects, there may be more noise in that area.

You can check out the "I can see persistent noise!" paragraph on https://coronarenderer.freshdesk.com/support/solutions/articles/12000057961-how-to-set-up-multiple-suns-environments e.g. one possible solution there is to disable the adaptive light solver.

Let me know if I am off-track though and not understanding your question :)

[xbaroka]

Sorry my english :)
Yes you understand good my problem
Thanks for the help!

Not fully sure I understand the question, sorry. But some thoughts (if I do understand right :) )

- Be sure denoising is enabled for all LightSelects
- When turning off a very bright light source, such as the sun, there may be more noise in the other LightSelects where this light source was present - this is due to the Adaptive light solver, which can only assess the overall scene. Since there was a bright light source at that part of  the image, more processing power was given to that light source, since it was the most major contribution to that part of the image. Less processing power was given to other light sources in that area. So, in LightSelects, there may be more noise in that area.

You can check out the "I can see persistent noise!" paragraph on https://coronarenderer.freshdesk.com/support/solutions/articles/12000057961-how-to-set-up-multiple-suns-environments e.g. one possible solution there is to disable the adaptive light solver.

Let me know if I am off-track though and not understanding your question :)

[xbaroka]

 definitely much better
GI vs. AA balance to 32 and Disable the Adaptive light solver realy help
i will test on a complex scene next time

thx

Not fully sure I understand the question, sorry. But some thoughts (if I do understand right :) )

- Be sure denoising is enabled for all LightSelects
- When turning off a very bright light source, such as the sun, there may be more noise in the other LightSelects where this light source was present - this is due to the Adaptive light solver, which can only assess the overall scene. Since there was a bright light source at that part of  the image, more processing power was given to that light source, since it was the most major contribution to that part of the image. Less processing power was given to other light sources in that area. So, in LightSelects, there may be more noise in that area.

You can check out the "I can see persistent noise!" paragraph on https://coronarenderer.freshdesk.com/support/solutions/articles/12000057961-how-to-set-up-multiple-suns-environments e.g. one possible solution there is to disable the adaptive light solver.

Let me know if I am off-track though and not understanding your question :)

[rowmanns]

i second that - i experienced this the other day

hdri texture in reflection override slot causes some wacky behavior

Hi,

Can you provide some more information? I'm not sure how we debug "wacky behavior" ;)

Information that we ask for can be found in my signiture.

Rowan

[LuckyFox]

Can you provide some more information?

Please check reply #65 page 5 of this thread for a visual example of the said wacky behavior. For exterior scenes it behaves as if the reflection override hdri has stronger intensity or something and I am getting some weird spikes of speculars in some random(to me) places.

[rowmanns]

Can you provide some more information?

Please check reply #65 page 5 of this thread for a visual example of the said wacky behavior. For exterior scenes it behaves as if the reflection override hdri has stronger intensity or something and I am getting some weird spikes of speculars in some random(to me) places.

Hi,

Would you be able to provide the scene please?

Rowan

[maru]

Can you provide some more information?

Please check reply #65 page 5 of this thread for a visual example of the said wacky behavior. For exterior scenes it behaves as if the reflection override hdri has stronger intensity or something and I am getting some weird spikes of speculars in some random(to me) places.

Here is the link to that post: https://forum.corona-renderer.com/index.php?topic=26829.msg164664#msg164664
Unfortunately I have never seen anything similar, so we would ideally need a scene, where this can be reproduced (it can be very simple).
Update: if this is happening in IR only, this could be due to the new enviro sampler.

[JG_monomiru]

Is there some tutorial how to use this new masking feature for "through reflection / through refraction"

I thought it would behave like in Vray - where a "red" and a "green" masked objeckt would appear yellow when they overlap in view.
But currently mask show either full mask for the foremost object in "never" mode, or parts of the refractive object appear just where no object is behind (except the thick boarders) in "through refraction" mode.

[maru]

Is there some tutorial how to use this new masking feature for "through reflection / through refraction"

I thought it would behave like in Vray - where a "red" and a "green" masked objeckt would appear yellow when they overlap in view.
But currently mask show either full mask for the foremost object in "never" mode, or parts of the refractive object appear just where no object is behind (except the thick boarders) in "through refraction" mode.

We have this: https://coronarenderer.freshdesk.com/support/solutions/articles/12000066916
If it's not enough, please explain what you are having trouble with, and we will do our best to deliver the solution.