Why doesn't geometry contains all HBSurfaces?

Hey guys, I am really new but I was wondering why my Geometry (Geo) does not get all the HBSurfaces?
It works as one at a time! and therefore, I cannot connect it to the daylight simulation component. (also, the HBsurfaces cannot be connected together directly to the runanalysis)

I really appreciate your help.

Also, one more question, does the normal of surfaces affect the results of daylighting (except the test points)

@Farzam,

You can merge your surfaces using with createHBZones component, it is mostly for energy models.
For daylight simulations you can merge surfaces as only one brep, follow this hydra.

PS: If you are new for Grasshopper, you probably forget to push SHIFT to add multiple objects into one input.

Cheers,
-Oğuzhan

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@oguzhankoral, Thank you! you are the best!

@Farzam Another solution is using Merge Tree component. Here is a demo.

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@minggangyin, thank you very much!