code: def set_actor(self):
      if self.file_type == "mesh":
          self.actor.GetProperty().SetBackfaceCulling(
              self.back_face_cull
          )
      else:
          self.actor.GetProperty().SetPointSize(1.5)
  
      self.actor.SetMapper(self.mapper)
      self.actor.GetProperty().SetColor(self.colors.GetColor3d("Tan"))
      # Place the mesh at the origin point for easy viewing
      self.offset_x = -sum(self.actor.GetXRange()) / 2
      self.offset_y = -sum(self.actor.GetYRange()) / 2
      self.offset_z = -sum(self.actor.GetZRange()) / 2
      self.actor.SetPosition(
          self.offset_x, self.offset_y, self.offset_z
      )
  
imports: import vtk
  import json
  import numpy
  import argparse
  import sys
  import subprocess
  from plyfile import PlyData
label_desc: Use image node_id 6 for calling the Render obj's underlying member method code with example usage: obj.set_actor() without return types