class_docstr: This is a mixin class to support scalar -> RGBA mapping.  Handles
  normalization and colormapping
docstr: Set the image array from numpy array *A*
docstr_tok: ["Set","the","image","array","from","numpy","array","*","A","*"]
code: def set_array(self, A):
      "Set the image array from numpy array *A*"
      self._A = A
      self.update_dict["array"] = True
  
imports: import numpy
  from numpy import ma
  import matplotlib
  import matplotlib.colors
  import matplotlib.cbook
  from matplotlib._cm import *
label_desc: Use image node_id 4 for calling the ScalarMappable obj's underlying member method code with example usage: obj.set_array(A) without return types