code: def setKnob(self, value):
      self.sliderText.SetValue(f"{value:g}")
      self.slider.SetValue(int(value * 1000))
  
imports: import wx
  import numpy
  from matplotlib.backends.backend_wxagg import FigureCanvasWxAgg
  from matplotlib.figure import Figure
label_desc: Use image node_id 4 for calling the SliderGroup obj's underlying member method code with example usage: obj.setKnob(value) without return types