Recent Posts

31

[C4D] Daily Builds / Re: C4D scenes dont open with new Daily Build from Corona 12 March 11.

« Last post by luis.lab on Today at 10:36:15 »

Hi
the same here :(

32

[Max] Feature Requests / Re: Improved support of max colour management

« Last post by muoto on Today at 10:36:02 »

From my point of view, the Agx color management is quite seducing. Nice highlight falloff, colors OK, i like the desaturated aspect as will on high values.

I most of the time use your AgX matrix (thanks) + custom 1D curve made with Lutcalc, and it works quite well.

I also tend to have little photoshop editing at the end, so i like to have my colors right in the render, and i find it very hard to finetune them in the VFB.

So i thought of finding the nice color setups with a lut in Resolve, and then bake them with AgX in one single LUT.

33

[Max] General Discussion / Re: Gamma Correction Tone Mapping Operator Removed - Bring it back!

« Last post by piotrus3333 on Today at 10:27:58 »

if "avoiding user mistakes" is THE strategy - was anything done about Tone Curve after this thread:
https://forum.corona-renderer.com/index.php?topic=40616.0

an updated tooltip or something?

No

well, there you go.
where is a sensible limit of protecting users from "breaking color management" (the non-existent one?) by adjusting gamma.

anyway..

+1 for Gamma operator, it should be there.

34

[C4D] I need help! / Re: Corona VFB vs Picture Viewer

« Last post by James Vella on Today at 10:26:47 »

Have you checked the Corona Benchmark scores? There is a few different Mac Studios to compare from but here is the M2 Ultra with 64gb ram.

35

[Max] Bug Reporting / Re: CoronaMultiMap seed changes with animated camera

« Last post by romullus on Today at 10:21:12 »

If you are able to provide simplified scene where the issue can be reliably repeated, i think that would be very helpful for the team to identify and maybe fix the issue. https://support.chaos.com/hc/en-us/requests/new

36

[Max] Bug Reporting / Re: CoronaMultiMap seed changes with animated camera

« Last post by dzintas on Today at 10:07:18 »

Shouldn't happen, AFAIK 0 in Corona is just another valid seed, unlike in some other programs where seed 0, or -1 means random seed on each evaluation.

Splitting and moving the messages to bug reporting board.

Thank you for cleaning up my mess, and clarification!
Tried changing to some specific seed value, and as you mentioned bug still happens. Maybe less but just could be a different pattern.
Then its maybe problem with my setup. It's tyflow animated object, exported to vray proxy.
Maybe vray proxy part causes problems? It's building shaped boxes with a lot materials for facades, roofs, etc. Plus color variations for diffuse, with multimap that causes problems.

37

[Max] Feature Requests / Re: Improved support of max colour management

« Last post by piotrus3333 on Today at 09:07:44 »

It would be nice to have your resolve/fusion workflow to see how you manage to create those LUT's... ;)

Between the -1.2 string, the "log" option in the vfb lut, the AgX ocio and DCTL (that i managed to install in resolve+fusion), the custom color correct node, well...it gets a little confused ;)

So when i color edit a 32bit image with Agx and dctl, i have trouble exporting to a lut to have the same result in the corona vfb

well,
feel free to ask the Corona Team why things are so convoluted with luts in CIE and frame buffer: https://forum.corona-renderer.com/index.php?topic=40988.0;all

if you're on 11.1 - you can use Gamma Operator 0.455 before LUT operators and the rest of invisible gamma transforms is cancelling itself out. no need for string option and this would work in CIE as well.

Fusion exports luts only for closed domain of 0-1 float, same as photoshop and most lut tools.
Easy way of doing that in Corona is Highlight compression 999 (Reinhard tonemapper x=y/(y+1)) - it acts as your log encoding - raw render is compressed into 0-1 range and lut can access those colour easily.
So in Fusion after creating hald image you need to apply reversed Reinhard on it, convert to arri logC3 and then AgX DCTL >>> and you have a lut that does Reinhard to one of AgX DCTL displays.

what are you trying to create exactly? a macro from Fusion is of no use if you do not know the math behind.

38

[Max] Feature Requests / Re: Chinese version of Corona

« Last post by zhao liang on Today at 07:13:19 »

Thank you very much. I hope the Chinese version can be put on the schedule quickly. If you need help, I am willing to provide Chinese support for corona.

39

[Max] I need help! / Re: CoronaMtl>Standard?

« Last post by GSystem on Today at 00:49:12 »

I apologize for resuscitating an old topic. A few days ago I needed to convert a lot of files from Corona to Standard and I was looking for any information about what methods there are for this. I tried some free scripts, but I was not satisfied with the result. As a result, I came across this old topic, but the UMC listed here turned out to be very expensive for me, so I began to search further and finally found a tool that completely satisfied me, although it is also paid, but costs much less than UMC. Just want to tell other people who will be looking for such a tool to also consider a tool called V-RayMax Converter Pro, https://maxtools.3dzver.ru/vmcpro or https://www.scriptspot.com/3ds-max/scripts/v-raymax-converter-pro

Thanks for the info about this tool!
I was also looking for a long time for some tool to convert Corona to standard and found your info about V-RayMax Converter Pro.

By the way, this tool not only converts from corona to standard, but can also convert from vray to corona, and it does some things even better than the built-in corona converter.
for example, only with it I was able to convert the VrayUvwRandomizer map to CoronaMappingRandomizer.

I'm glad you found this info useful! This is truly the best converter today, I only use it now :)

40

[Max] I need help! / Re: Reflections on car paint

« Last post by Aram Avetisyan on Yesterday at 23:58:17 »

It looks like bump on the clearcot (if used), which is similar to the base patterns.
If you are using Clearcoat, disable it bump/normal effect and see if the results are better.

Usually everything should be investigated - the model first of all. If everything is fine with it, check the material and UVs.