power_scan_npz.py 文件源码

def setup(self):

        self.settings.New('spec_index', dtype=int, initial=0)
        self.settings.spec_index.add_listener(self.on_spec_index_change)

        self.ui = QtWidgets.QGroupBox()
        self.ui.setLayout(QtWidgets.QVBoxLayout())

        self.ui.spec_index_doubleSpinBox = QtWidgets.QDoubleSpinBox()
        self.settings.spec_index.connect_bidir_to_widget(self.ui.spec_index_doubleSpinBox)
        self.ui.layout().addWidget(self.ui.spec_index_doubleSpinBox)

        self.graph_layout = pg.GraphicsLayoutWidget()
        self.ui.layout().addWidget(self.graph_layout)

        self.power_plot = self.graph_layout.addPlot()
        self.power_plot.setLogMode(x=True, y=True)

        self.power_plotcurve = self.power_plot.plot([1],[1], name='Data')

        self.power_fit_plotcurve = self.power_plot.plot([1],[1],pen='r', name='Fit')

        self.power_plot_arrow = pg.ArrowItem()
        self.power_plot_arrow.setPos(0,0)
        self.power_plot.addItem(self.power_plot_arrow)

        self.power_plot_lr = pg.LinearRegionItem([1,2])
        self.power_plot_lr.setZValue(-10)
        self.power_plot.addItem(self.power_plot_lr)
        self.power_plot_lr.sigRegionChanged.connect(self.redo_fit)

        #self.power_plot_legend = pg.LegendItem()
        #self.power_plot.addItem(self.power_plot_legend)
        #self.power_plot_legend.addItem(self.power_plotcurve)
        #self.power_plot_legend.addItem(self.power_fit_plotcurve)
        self.fit_text = pg.TextItem("fit")
        self.fit_text.setParentItem(self.power_plot_lr, )

        self.graph_layout.nextRow()

        self.spec_plot = self.graph_layout.addPlot()
        self.spec_plotcurve = self.spec_plot.plot([0])