owspectra.py 文件源码

def add_fill_curve(self, x, ylow, yhigh, pen):
        phigh = pg.PlotCurveItem(x, yhigh, pen=pen)
        plow = pg.PlotCurveItem(x, ylow, pen=pen)
        color = pen.color()
        color.setAlphaF(0.2)
        cc = pg.mkBrush(color)
        pfill = pg.FillBetweenItem(plow, phigh, brush=cc)
        pfill.setZValue(10)
        self.curves_cont.add_bounds(phigh)
        self.curves_cont.add_bounds(plow)
        self.curves_cont.add_curve(pfill, ignore_bounds=True)
        # for zoom to work correctly
        self.curves_plotted.append((x, np.array([ylow, yhigh])))