Compositing and Scene Referred Data

This is a tutorial made by myself and is about compositing. Not only that, but compositing with respect of Scene Linear Data. To point out the term Linear, the following. Imagine that your 3D scene has the same values like in the real world. On the other hand we have our monitor that deals with a limited set of data. To get real world values on your monitor you actually need a sun in your monitor. So we are dealing with two very different sets of data. Therefore we need to transform the data from one place to the other. To do that we use a Transform View. While Blender had a transform view, called the default view. It works (a bit), it had many downsides. One of the downsides is that it cuts of everything lighter than 1. Meaning: it cannot display something lighter than it’s limit.

Now we have the Filmic view, and with that we are aware of other flaws in Blender we didn’t realise before. We see it especially in some nodes. Let me show you this Compositing and Scene Referred Data video, so you can experience it.

When to watch this tutorial.

I recommend to watch this video when you do compositing but are not are not familiar with Scene Linear Data. Or when you do compositing and you are not happy with the results. And you don’t know why. There is another interesting thing in this video, and that is pivoted contrast. I use this for a while now and I prefer it above using the contrast settings in Color Management. Namely, it’s like a step less contrast setting. And you can define the midpoint. Meaning: contrast is around a particular point, and with Pivoted Contrast you can define that point. If that all sounds like it is something for you, enjoy watching the Compositing and Scene Referred Data tutorial.

Other Sources related to compositing and scene referred data

Definitely check the Hitchhicker’s guide to digital color. I bet there is barely any other source. For example I checked whole Udemy, but nothing there that looks in any way like this (color science). It’s made by Troy Sobotka (developer of Filmic), and he definitely will answer you if you have questions. But a little warning here, it’s good possible it’s all above your head. It will help to study a lot if you want to master it.

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