QPlot2D.py 文件源码

def __init__(self,
            timeSpan=30.0,
            yMin=-1.0,
            yMax=1.0,
            yOriginValue=0.0,
            xTickInterval=5.0,
            yTickInterval=0.2,
            labelFont=QFont("Segoe UI", 10),
            refreshRate=0.1,
            **kwds):

        # validate inputs
        assert timeSpan > 0.0

        self._timeSpan = timeSpan

        self._lastUpdate = time.time()

        self._refreshRate = refreshRate

        self._refreshTimer = QTimer()
        self._refreshTimer.timeout.connect(self._refresh_plots)
        self._refreshTimer.start(self._refreshRate * 1000.0)

        super(QPlot2DTime, self).__init__(
            xMin=timeSpan,
            xMax=0.0,
            yMin=yMin,
            yMax=yMax,
            xOriginValue=0.0,
            yOriginValue=yOriginValue,
            xTickInterval=xTickInterval,
            yTickInterval=yTickInterval,
            labelFont=labelFont,
            **kwds)


    # P U B L I C   M E T H O D S 
    #===========================================================================