multiplot.py 文件源码

def __init__(self, sandbox, *args, **kwargs):
        pg.GraphicsLayoutWidget.__init__(self, **kwargs)
        self.sandbox = sandbox

        self.plots = [
            DisplacementPlot(
                sandbox,
                title='North',
                component=lambda m: m.north),
            DisplacementPlot(
                sandbox,
                title='East',
                component=lambda m: m.east),
            DisplacementVectorPlot(
                sandbox,
                title='Down',
                component=lambda m: m.down),
            DisplacementPlot(
                sandbox,
                title='LOS',
                component=lambda m: m.displacement)]
        self.plots[-1].addHintText()

        self._mov_sig = pg.SignalProxy(
            self.scene().sigMouseMoved,
            rateLimit=60, slot=self.mouseMoved)

        for ip, plt in enumerate(self.plots):
            row = ip / 2
            col = ip % 2 + 1

            self.addItem(plt, row=row, col=col)
            plt.showGrid(x=True, y=True)
            plt.hideAxis('bottom')
            plt.hideAxis('left')
            plt.vb.border = pg.mkPen(50, 50, 50)
            if ip != 0:
                plt.setXLink(self.plots[0])
                plt.setYLink(self.plots[0])

        def getAxis(plt, orientation, label):
            axis = pg.AxisItem(
                orientation=orientation,
                linkView=plt.vb)
            axis.setLabel(label, units='m')
            return axis

        plts = self.plots
        self.addItem(getAxis(plts[0], 'left', 'Northing'), row=0, col=0)
        self.addItem(getAxis(plts[1], 'left', 'Northing'), row=1, col=0)
        self.addItem(getAxis(plts[0], 'bottom', 'Easting'), row=2, col=1)
        self.addItem(getAxis(plts[1], 'bottom', 'Easting'), row=2, col=2)

        for plt in self.plots:
            plt.vb.menu = QtGui.QMenu(self)