docstr: Update the VisPy canvas when the parameters change.
          
docstr_tok: ["Update","the","VisPy","canvas","when","the","parameters","change","."]
code: def update_view(self, param):
      """Update the VisPy canvas when the parameters change."""
      self.view_box.reset_parms(**param.props)
  
imports: from __future__ import division, print_function, absolute_import
  from vispy import app, visuals
  from vispy.visuals import transforms
  from vispy.io import load_data_file
  import sys
  import numpy
  import string
  import logging
  import traceback
  from PyQt5 import QtCore, QtGui, QtWidgets
label_desc: Use image node_id 2 for calling the MainWindow obj's underlying member method code with example usage: obj.update_view(param) without return types