Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] I need help! => Topic started by: vl_dm on 2019-08-10, 18:37:38

Title: Different bright areas b/n corona vfb and output images
Post by: vl_dm on 2019-08-10, 18:37:38

Hi, I was searching but didn't find the answer - I have this difference in the bright areas b/n vfb and saved images, thanks in advance.

Title: Re: Different bright areas b/n corona vfb and output images
Post by: vl_dm on 2019-08-10, 20:35:05

I found that using some (0.05) saturation is the reason

Title: Re: Different bright areas b/n corona vfb and output images
Post by: maru on 2019-08-13, 15:06:30

I am having trouble understanding this thread. What does "b/n" stand for? Can you explain what was the issue and solution to it?

Title: Re: Different bright areas b/n corona vfb and output images
Post by: vl_dm on 2019-08-13, 15:26:56

Hi, Maru,

I had a different color between corona vfb and saved images and when I clone it to 3dsmax buffer in the bright area near the floor ies light. This was caused from the saturation set to 0,05. When I put it to 0 there was no difference. B/n - I mean between

Title: Re: Different bright areas b/n corona vfb and output images
Post by: maru on 2019-08-15, 13:53:42

We have a similar issue logged in our tracker. Hopefully the fix will come soon.
If I understand it correctly, this happens because Corona uses Wide RGB color space internally, and this is clamped to sRGB. In the Corona VFB the colors are displayed "as expected", but if you copy the image to Max VFB or save it, it will be probably displayed a bit different, especially if there are things like colors with negative values or very high saturation.