According to IES file format, IES file can define luminous opening such as rectangle, circular etc.
So I tried to make rectangle light with IES profile that defines rectangler luminous opening.
But Luminous Opening doesn’t show on the light.
My work is following
1.Spawn Point light
2. Adapt IES file that defines rectangular luminous opening to The point light.
Isnt’t Luminous Opening effect Unreal IES profile ?