I'm quite new to Dialux, so I hope that you can help me.
I already looked through the forum, but I couldn't find it.
I'm making a hemispheric calculation on a pathway in accordance to E2 >2,5 lux.
I have made the pathway, in
My question is: Where do I place the calculation surface? I'm making the calculation with three lamps. I'm not sure, where the calculation surface should start and end.
Of course I get the best result, if I start and end close to the lamps.
But I'm guessing that there's some european standard I have to I have to use for this?
In the picture there's 15 meters between the lamps, but where do I start and end, the calculation surface.
I hope that you can help me

