docstr: Sets the reference for marker angle. With "previous", angle 0
  points along the line from the previous point to this one. With
  "up", angle 0 points toward the top of the screen. With
  "north", angle 0 points north based on the current map
  projection.
  
  The 'angleref' property is an enumeration that may be specified as:
    - One of the following enumeration values:
          ['previous', 'up', 'north']
  
  Returns
  -------
  Any
code: def angleref(self):
      """
      Sets the reference for marker angle. With "previous", angle 0
      points along the line from the previous point to this one. With
      "up", angle 0 points toward the top of the screen. With
      "north", angle 0 points north based on the current map
      projection.
  
      The 'angleref' property is an enumeration that may be specified as:
        - One of the following enumeration values:
              ['previous', 'up', 'north']
  
      Returns
      -------
      Any
      """
      return self["angleref"]
  
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 3 for calling the Marker obj's underlying member method code with example usage: obj.angleref() and returns: self