class_docstr: Abstract class for CtrlNodes that can connect to plots.
class_docstr_tok: ["Abstract","class","for","CtrlNodes","that","can","connect","to","plots","."]
code: def connected(self, term, remote):
      CtrlNode.connected(self, term, remote)
      if term is not self.plotTerminal:
          return
      node = remote.node()
      node.sigPlotChanged.connect(self.connectToPlot)
      self.connectToPlot(node)
  
imports: import numpy
  from ...Qt import QtCore, QtWidgets
  from ...WidgetGroup import WidgetGroup
  from ...widgets.ColorButton import ColorButton
  from ...widgets.SpinBox import SpinBox
  from ..Node import Node
label_desc: Use image node_id 2 for calling the PlottingCtrlNode obj's underlying member method code with example usage: obj.connected(term, remote) without return types