I am rendering A interior ....with curtain walls.... you can see images
however problem is when i am rendering curtain wall with glass material with no thickness to glass and ( Thin (no refraction)) no i am able to render it with Sunlight in side hall.
But when i am rendering with 10mm thickness to my glass And turning Off ( Thin (no refraction)) i couldn't able to see sunlight in side hall ..can any one help me what i am do wrong here
i want sunlight in hall ..at the same time i want my glass some thickness TOO...Can any one help me here