From the course: Unreal Engine: Global Illumination for Architectural Visualization

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Quality and smoothness settings

Quality and smoothness settings - Unreal Engine Tutorial

From the course: Unreal Engine: Global Illumination for Architectural Visualization

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Quality and smoothness settings

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- [Instructor] Once we have our lighting mostly in place in a scene, there are two settings in the light mask controls that can help us fine tune the GI solution by quite a bit. These being the indirect lighting quality and indirect lighting smoothness options. The first of those that we come to in the world settings tab and light mask roll outs being the indirect lighting quality control, which essentially lets us scale the sample counts being used by the light mask GI solver, a higher setting, so more samples can result in fewer lighting artifacts such as noise and splotches, although this does come at the cost of increased build times, which is why when using this control, I would strongly recommend increasing the value in small increments until we hit the sweet spot that we need. Although one point that is, perhaps, worth making clear here is the fact that neither of these controls can be used to get rid of all artifacts found in a lighting solution. In fact, trying to do that…

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