Hoping someone who has some experience with OCIO, espeically at Sony, can clarify this for me. I have been taking a look at the Sony OCIO docs and it all seems pretty clear, I notice that in spi-vfx they are equating 445 (lg10 value) with 0.18 (inf, inh value) which is great and I like.
What I want to know is, are Sony pre-treating any of the the Film Log files (for example lg10) or using some specific scanning correction not common to the rest of us ? If I just take a nominal dpx log file for example, Marcie. Read that in as Raw Data, then apply an OCIO Log Convert. Then her 445 swatch is not returning a..... .18 more like .1493. Same if I use an OCIO to Colorspace or have I missed something ? ----------------------- Tahl Niran www.tahlniran.com
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