code: def clear_ortho_view_set(self):
          
          if (self.get_ortho_view_set_metadata().is_read_only() or
                  self.get_ortho_view_set_metadata().is_required()):
              raise NoAccess()
          self.clear_file('frontView')
          self.clear_file('sideView')
          self.clear_file('topView')
docs: stub