I’m in the process of setting up compositing for a feature film. Every previous ACES show I’ve worked on has used ACEScg as the internal working space but I was wondering if there are downsides to using a different working space?
Our plates are delivered as 10bit DPX Alexa LogC and when I read them in and they are converted to ACEScg working space I get some negative values for things like highly saturated blue LED lights in the scene (negative in red and green channels). When I switch to ARRI Linear ALEXA Wide Gamut for working space I get visibly the same result but no more negative values. The values are handled properly.
Since everything we comp into the plates should have similar values as what’s in the plate is there any downsides I can’t think of to using an ARRI Linear ALEXA Wide Gamut working space?