class_docstr: Connection to a Canvas widget.
class_docstr_tok: ["Connection","to","a","Canvas","widget","."]
code: def __init__(self, name):
      Node.__init__(
          self, name, terminals={"In": {"io": "in", "multi": True}}
      )
      self.canvas = None
      self.items = {}
  
imports: import numpy
  from ...None import ComboBox, PlotDataItem
  from ...graphicsItems.ScatterPlotItem import ScatterPlotItem
  from ...Qt import QtCore, QtGui, QtWidgets
  from ..Node import Node
  from .common import CtrlNode
label_desc: Use image node_id 1 to create a new CanvasNode object from inherited base classes: Node with example: obj = CanvasNode(name)