came here because of your recent post in Dutch Domotics Discord…
this is some impressive templating you are doing here, or, even more, some impressive math.
Do I understand this correctly, in that I can use this on any window, by only adjusting the orientation of that window (mine are all perpendicular 
so don’t need any other consideration) ?
Seems quite a complex system compared to a simple and (always spot on) light sensor in all honestly, but I do like the mathematical approach, just like we have that for virtual daylight…