docstr: Reset this item's transform to an identity transformation.
code: def resetTransform(self):
      """Reset this item's transform to an identity transformation."""
      self.__transform.setToIdentity()
      self.update()
  
imports: from OpenGL.GL import *
  from OpenGL import GL
  from ..None import Transform3D
  from ..Qt import QtCore
label_desc: Use image node_id 12 for calling the GLGraphicsItem obj's underlying member method code with example usage: obj.resetTransform() without return types