Shading Mask component working on a surface

ladybug
#1

Heloo everyone,
I am a new grasshopper-ladybug user and i wonder if there is a way to make the Shading Mask component analyse a whole surface (window), instead of generating skydome shaded parts for only one point.
thank you for help

#2

You can use sunlighthours component for that purpose and average the values for the window.