 MacMillan allowed the architect to incorporate a planetarium into the design.As a result, the distinctive roof was added, designed to reflect the shape of a woven basket hat made by Northwest Coast First Nations people.This decision has created ongoing confusion over the identity of the building as many people associate it mistakenly as only a planetarium whereas the vast majority of the building space is occupied by the galleries of the Museum of Vancouver and the planetarium part was renamed the H.R.