Version: 2018.2

LightmapEditorSettings.filteringGaussRadiusDirect

Switch to Manual
public static int filteringGaussRadiusDirect ;

Description

Specifies the radius the Progressive lightmapper uses to filter for direct light stored in the lightmap when using Gaussian filter. The default value is one. The value range is 0 to 5.

A higher value will increase the strength of the blur, reducing noise from direct light in the lightmap.