Cannot create hexongonal cells all over the plane for Centre pompidou

I would like to create a plane with hexagonal cells all over it, but only a small part of it is covered with the hexagonal cells. Does anyone know what is happening?
modeling the complex roof of Center Pompidou metz.3dm (147.5 KB)
center (13.1 KB)

a Plane parameter contains a list of planes (not planar surfaces: infinite planes)
if you make your Surface (scale β†’ Output G) pass through a Plane parameter, it will extract the plane on which your surfasce lies (if it’s planar)

you might want to use a Surface parameter, or just connect your scale G output directly to the Hexagons Cells component :

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Thank you so much! it works!