Projecting surfaces from vertical to horizontal plan

[Mostafa_El_Ayoubi]

Hi @BearVV ,
take a look at these topics:

A challenge for the Dynamo pros..... To do with shadows

Hi all, I have to do shadow analysis and its take a long time. Is there a way of getting Dynamo to calculate the areas of shadow cast on the floor? Please let me know if you have any ideas as I don’t know where to begin.   chris

Shadow boundary extraction

@Paul_Wintour may be you have a solution !