It is highly suggested to add Depth of Field at the end of your photography chain as it can make working and finetuning the scene further really annoyingly slow. The 'High Quality' Depth of Field is an extremely GPU intensive feature and will quickly drop your framerate if you use a strong blur. Especially including transparent surfaces can make a huge difference in how Depth of Field appears. Further there are two interesting options to switch between a cheaper but faster Depth of Field calculation and an option to include transparent surfaces into Depth of Field. In addition you can also customize the time it takes for Depth of Field to switch focus from one focus point to another. Just like with real cameras you can configure certain aspects of Depth of Field in rendering, this includes the Field of View, the F-Number, the Focal Length, Circle of Confusion and the Resolution of Depth of Field. You can enable Depth of Field by opening 'Preferences' and selecting the 'Display' tab, here you'll find the 'Depth of Field' tab which includes all its options as well. In the example above it was used to 'guide' the viewer's focus to the foreground, something out of focus is naturally less interesting to us than something that appears clear, we can use this to put emphasis on something or someone. (red, green and blue)Īs shown above, Depth of Field blurs the area out of focus, in above's example the focus are the two metal beams in the foreground, right behind them Depth of Field starts to blur, increasing in strength the further it goes back until the configured threshold is reached. From certain presets for Tone Mapping to each and every single calculation ramp can be configured and Color Correction also offers configuring the exposure, gamma and offset of each of the three color channels. You can totally customize every aspect of how Tone Mapping interacts and how and which color to correct via Color Correction. Quite a lot actually, Tone Mapping and Color Correction probably offer the most feature-unique finetuning options out of all rendering features.
You can enable Tone Mapping and Color Correction by opening 'Preferences' and selecting the 'Display' tab, here you'll find the 'Tone Mapping' section where you'll find the 'Color Correction' options as well as all options to configure Tone Mapping itself. It's main goal was to get rid of SL's global greyish look that you would see most noticably when not using 'Full Range' colors. Vibrant colors profit most from this and these features can vastly change how a picture looks depending on the scene they are used in. As shown in the pictures Tone Mapping and Color Correction create a more neutral color scheme, while at the same time making the details on some parts of objects 'pop' more.
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