class_docstr: **Bases:** :class:`GraphicsObject <pyqtgraph.GraphicsObject>`
class_docstr_tok: ["*","*","Bases",":","*","*",":","class",":","`","GraphicsObject","<","pyqtgraph.GraphicsObject",">","`"]
code: def setLookupTable(self, lut, update=True):
      self.cmap = None  # invalidate since no longer consistent with lut
      self.lut_qcolor = lut[:]
      if update:
          self._rerender(autoLevels=False)
          self.update()
  
imports: import numpy
  from ..None import Qt, colormap
  from ..None import functions
  from ..Qt import QtCore, QtGui
  from .GraphicsObject import GraphicsObject
label_desc: Use image node_id 8 for calling the PColorMeshItem obj's underlying member method code with example usage: obj.setLookupTable(lut, update) without return types