FillBetweenItem# class pyqtgraph.FillBetweenItem(curve1=None, curve2=None, brush=None, pen=None)[source]# GraphicsItem filling the space between two PlotDataItems. __init__(curve1=None, curve2=None, brush=None, pen=None)[source]# setBrush(*args, **kwds)[source]# Change the fill brush. Acceps the same arguments as pg.mkBrush() setCurves(curve1, curve2)[source]# Set the curves to fill between. Arguments must be instances of PlotDataItem or PlotCurveItem. Added in version 0.9.9