def getReplacementAxisValuesEvent(self):
        definedVars = self.myParent.getParent().getDefinedVars()
        QReplaceAxisValuesDialog(definedVars, self).show()
getReplacementAxisValuesEvent is called when the user selects
dataset/ETHPy150Open VisTrails/VisTrails/contrib/cdat/cdat_window.py/QAxis.getReplacementAxisValuesEvent