It probably is a very basic question but I started wondering the other day and didn’t find an answer.
I know that for energy simulations, room normal surfaces should be facing outwards.
What If i used same model for daylight simulations, where i would like to assign materials to surfaces (rather than polysurfaces) - shouldn’t walls, floor, ceilling be facing inwards?
What If i modelled a light shelf in the window - should it be facing upwards or downwards?
Thank you for your help.