вт, 7 нояб. 2023 г., 18:47 Andrew Randrianasulu <randrianas...@gmail.com>:
> > > вт, 7 нояб. 2023 г., 18:32 Andrew Randrianasulu <randrianas...@gmail.com>: > >> >> >> вт, 7 нояб. 2023 г., 18:13 Andrew Randrianasulu <randrianas...@gmail.com >> >: >> >>> >>> https://blender.stackexchange.com/questions/46825/render-with-a-wider-dynamic-range-in-cycles-to-produce-photorealistic-looking-im >>> >>> >>> well, this one says EXR can hold quite a big value per channel, way >>> above 1.0f, obviously. But for displaying (and encoding?) it must be >>> compressed back to device-specific 0 - 1.0 range. >>> >>> Thing is, if I open exr example file in gimp 2.10 and re-export it - it >>> retain its above 100% values. It does not do this if I do this same >>> roundtrip via cingg. So yea, we seems to be clamping at output. >>> >> >> and this article about Premiere tries to explain Scopes, and especially >> floating point vs 8bit input - Premiere apparently can limit this setting >> for scopes themselves.... >> >> https://blog.frame.io/2017/09/27/introduction-to-video-scopes/ >> >> >> so, HDR as used in ultra HD need some scope that goes to 10.000 (so, >> logarithmic I guess ...)! >> >> something we should write somewhere in TODO, I guess ..... >> > > second technique about dealing with too shadowy video: > > > https://larryjordan.com/articles/premiere-pro-two-options-to-control-sdr-video-black-levels/ > > ===== > > *A CREATIVE USE OF BLEND MODES* > > This tip was suggested by *FoodShipNine*. > > If all you want to do is control black levels, but let highlights float – > which would apply to most web videos – here’s an option. > > - Using *File > New > Black Video*, create a new video clip. This > contains a single color – black – with a video level of 0 IRE. > - Place it above all clips in the timeline, similar in concept to an > adjustment layer. > > > - Select the black video clip then, in *Effect Controls*, set *Opacity > > Blend Mode* to *Lighten*. This sets all pixel grayscale values in > all clips below the black video clip to whichever is lighter, the black > video clip or the video itself. > > ====== > > so, if we does not have this mode we probably should :) > https://prolost.com/blog/aces according to this article Tarantino unintentionally got his own color space { I think this is a joke, too uncinema-tic for understanding it } ==== The ACEScc log color space is, in my experience, a creatively-friendly color space for grading. There’s also a tweaked version of it called ACEScct. The T is for “toe,” so this is the profile favored by Quentin Tarantino. ===== this made me stop and laugh! Not sure why .... hopefully all of this can be realized by those cube lookup tables? > > >> >> >> >>> >>> Still not sure where, may be in fader? (where fade can't be more than >>> 100%) . May be its time to ask Lion (Adam). >>> >>
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