On 7/12/19 04:38, Eberhard Hasche wrote:
Hi Gozalo,Glad to know.
When you set the Input (IDT) in the Read node correctly and view the Read node with the ViewerCurrently, I cannot get the same result with the sRGB/rec709 of ACES. I get a close to good, but darker and more saturated image, as I got with exrs. This is the issue with the RRT+ODT.
I don't need to set the color space to Input - Red - RedLog3G10 - RedWideGamutRGB as that is created by the RED SDK automatically when I load the .r3d file as a half float image. That's what I meant by not using the middle node in the nuke default script (the matrix transform you had) and instead using a scene linear setting for the input. With that, I got it to match the output you were getting from Nuke12.
When using the ACES config file, the sRGB/rec709 (ACES) are darker due to the RRT+ODT issue as you pointed out before, so I get a darker image instead of a brighter one, following a similar approach to setting the input to scene linear.
Not sure if I am explaining myself properly.