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Anti aliasing on masks vray3/12/2023 This is a very unusual situation and to worry about this option is not worth our attention, we will leave it as it is set by default. The deactivation of Default lights option in the V-Ray:: Global switches rollout is needed in very rare cases only, when you really plan to illuminate the scene by a secondary illumination only, without any sources of direct light in it. VRaySun, which is a source of direct light itself, manages it and its presence in the scene shut off the default 3ds Max lights again. But this case is not even a rare, it is probably unique, and this may be an exterior visualization, in which the diffuse glow of the sky is simulated by the special parametric HDRI map named VRaySky. A special case is when the scene is really having no sources of direct light and it is fully illuminated by the secondary illumination. If we create at least one light source in the scene, the default lights will be disconnected immediately. However, the property of the default secondary lights of 3ds Max is such that they automatically shut off when the any source of light are in the scene. Default lights are needed for the viewport and rendering, without light sources, set manually by the user, to look not solid black, but with the geometry of objects, already lit by default auxiliary light sources.
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