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How does Eevee do shadow mapping in Blender?
Eevee uses Shadow Mapping techniques to properly shadow the light coming directly from light objects. A shadow map is a texture that stores the nearest occluder from the light position. Eevee also filters the shadow maps in order to smooth out the pixelated appearance.
Why do lights influence Shadows in Eevee artefacts?
Also, the lights influence even very well hidden faces of the geometry, that should be darkened by AO+shadows but are in fact very well illuminated. I’ve tried every parameter I could think of both in the lights and in the render setting, but nothing worked so far.
What to do with contact shadows in Eevee?
For lights going through meshes, you try different settings in contact shadows for each light/lamp, especially those that you intuit that could be causing the problem (for example the called “Light RIM orange”)
What are the settings for subsurface scattering in Eevee?
The subsurface scattering settings used to be something you had to turn on. But now Eevee detects if there is a shader in the scene that uses subsurface scattering and turns it on automatically. There are two settings that both balance between speed and performance.
Why are there no indirect Shadows in Eevee?
Eevee by default can only produce shadows from Light objects, so even if you turn the respectable options on, there won’t be any indirect shadows visible. This is a technical limitation. Duarte in the linked answer elaborates on this, so there’s no need to re-iterate everything here.
Is there a way to disable Shadows in Blender?
Shadows can be disabled for each light in the Object Data section of the settings of the respective light: (This is only a partial answer, as it doesn’t state how to disable for certain objects only.) Thanks for contributing an answer to Blender Stack Exchange!
What should the size of a shadow cubemap be?
Size of the shadow cubemaps used to shadow Point, Area and Spot lights. Higher shadow map size will give higher precision and sharper shadows. Size of one cascade used by Cascaded Shadow Maps. This is only for Sun lights. This option can help reduce some artifacts due to float imprecision inside the shadow maps.
Can you limit the effect of Eevee lights?
EEVEE can’t do that and Cycles can’t, too. With Cycles nodes, you can limit effect of a light to some bounces or to a scene area. But EEVEE lights don’t support nodes. You can just precise a custom distance for light illumination.
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