Shadow on facade

Grasshopper
,
1

Hello everybody
please, I’m looking for is there a method for projecting the horizontal shadow in the ground onto the vertical facades so that the shadow touches them? and after we determine the surface of this shadow on the facade
shadow on facade

shadow
shadow790×635 33.7 KB

shadow1.gh (11.8 KB)

2

Hello, I suggest you to use the Ladybug Tools plugin. Like the picture below.
image

image
image1239×490 38.7 KB

1 Like
3

I thank you Mr Mehdi212
really that’s what I was looking for
it worked well with me

4

do you need this algorithm?