def __init__(self, masterAxis, slaveAxis):
"""Valid input values for masterAxis and slaveAxis are QwtPlot.yLeft,
QwtPlot.yRight, QwtPlot.xBottom, and QwtPlot.xTop. When masterAxis is
an x-axis, slaveAxis must be an y-axis; and vice versa."""
QwtPlotItem.__init__(self)
self.__axis = masterAxis
if masterAxis in (QwtPlot.yLeft, QwtPlot.yRight):
self.setAxes(slaveAxis, masterAxis)
else:
self.setAxes(masterAxis, slaveAxis)
self.scaleDraw = QwtScaleDraw()
self.scaleDraw.setAlignment((QwtScaleDraw.LeftScale,
QwtScaleDraw.RightScale,
QwtScaleDraw.BottomScale,
QwtScaleDraw.TopScale)[masterAxis])
