def __init__(self, data_frame, parent_widget, mdi_area):
if data_frame.empty:
return
self.subplot = False
self.label_text = {}
loader = QUiLoader()
subwindow = loader.load("plot.ui", parentWidget=parent_widget)
subwindow.setWindowTitle("图形展示")
pwidget = subwindow.findChild(QWidget)
canvas = FigureCanvas(Figure())
canvas.figure.add_subplot(111)
canvas.axes = canvas.figure.add_subplot(111)
canvas.mpl_connect('motion_notify_event',
lambda event: self.onPlotMotion(event, canvas))
canvas.mpl_connect('key_press_event', self.onPlotPress)
cols = list(data_frame.columns)
index = list(data_frame.index)
index_name = data_frame.index.name
for i in range(0, len(index)):
self.label_text[i] = []
for j in range(0, len(cols)):
col_data = float(data_frame.iloc[i, j])
self.label_text[i].append(
canvas.axes.annotate(
"%s:%s\n%s:%s" %
(index_name, index[i], cols[j], col_data),
(i, col_data),
bbox=dict(boxstyle="round", fc="w", ec="k"),
visible=False,
size=0.3 * 36))
# self.label_text[i, col_data] = self.axes.annotate("%s: %s" % (cols[j], col_data), (i, col_data), visible=False)
axes = data_frame.plot(ax=canvas.axes,
legend=True,
subplots=self.subplot)
# self.axes.legend(loc="best")
# x_label = to_unicode(index_name)
# x_label = index_name
axes.set_xlabel(index_name)
axes.grid(True)
axes.tick_params(axis='x', labelsize=7)
toolbar = NavigationToolbar2QT(canvas, pwidget)
toolbar.update()
l = QtWidgets.QVBoxLayout(pwidget)
l.addWidget(toolbar)
l.addWidget(canvas)
subwindow.setAttribute(Qt.WA_DeleteOnClose)
mdi_area.addSubWindow(subwindow)
subwindow.show()
def _create_diagram_canvas(
main_window: QtWidgets.QMainWindow,
vertical_layout: QtWidgets.QVBoxLayout) -> FigureCanvasQTAgg:
figure = Figure(figsize=(5, 4), dpi=100)
figure_canvas = FigureCanvasQTAgg(figure)
figure_canvas.axes = figure.add_subplot(111)
toolbar = NavigationToolbar2QT(figure_canvas, main_window)
vertical_layout.addWidget(figure_canvas)
vertical_layout.addWidget(toolbar)
return figure_canvas
def initUI(self):
self.setGeometry(100, 100, 640, 480)
#x = numpy.linspace(0, 2.0*numpy.pi, 101)
#y = numpy.sin(x)
#plt.plot(x, y)
label = QtWidgets.QLabel('Hello', self)
layout = QtWidgets.QVBoxLayout() #было self
layout.addWidget(label)
#qwidget = QtWidgets.QWidget
#layout.addWidget(qwidget)
fig = Figure(figsize=(5, 4), dpi=100)
canvas = FigureCanvasQTAgg(fig)
canvas.axes = fig.add_subplot(111)
canvas.axes.grid()
canvas.setParent(self)
#layout.addWidget(canvas)
#canvas.show()
#fig, ax = plt.subplots()
#ax.plot([1, 2], [2, 3])
#ax.grid()
#canvas = FigureCanvasQTAgg(fig)
#layout.addWidget(canvas)
#canvas.draw()
#self.canvas = FigureCanvasQTAgg(fig)
#self.figure = Figure()
#self.canvas = FigureCanvasQTAgg(fig)
#self.canvas = FigureCanvasQTAgg(self.figure) # Было (self.fi)
#self.canvas = FigureCanvasQTAgg(fig)
#self.addWidget(self.canvas)
self.toolbar = NavigationToolbar2QT(canvas, self)
self.show()
