def getVertexField(self, name, fields=None):
   """
   Get vertex field.
   """
   if None == fields:
     field = ModuleFaultCohesiveImpulses.vertexField(self, name)
   else:
     field = ModuleFaultCohesiveImpulses.vertexField(self, name, fields)
   return field
 def getVertexField(self, name, fields=None):
   """
   Get vertex field.
   """
   if None == fields:
     field = ModuleFaultCohesiveImpulses.vertexField(self, name)
   else:
     field = ModuleFaultCohesiveImpulses.vertexField(self, name, fields)
   return field