code: def clear(self):
          
          # API parameters
          self.identifier = None
          self.region = None
          self.size = None
          self.rotation = None
          self.quality = None
          self.format = None
          self.info = None
          # Derived data and flags
          self.region_full = False
          self.region_square = False
          self.region_pct = False
          self.region_xywh = None  # (x,y,w,h)
          self.size_full = False
          self.size_max = False  # new in 2.1
          self.size_pct = None
          self.size_bang = None
          self.size_wh = None     # (w,h)
          self.rotation_mirror = False
          self.rotation_deg = 0.0
docs: Clear all data that might pertain to an individual IIIF URL.
  
          Does not change/reset the baseurl or API version which might be
          useful in a sequence of calls.