pyqtgraph/widgets/MatplotlibWidget.py

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from pyqtgraph.Qt import QtGui, QtCore
import matplotlib
from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg as NavigationToolbar
from matplotlib.figure import Figure
class MatplotlibWidget(QtGui.QWidget):
"""
Implements a Matplotlib figure inside a QWidget.
Use getFigure() and redraw() to interact with matplotlib.
Example::
mw = MatplotlibWidget()
subplot = mw.getFigure().add_subplot(111)
subplot.plot(x,y)
mw.draw()
"""
def __init__(self, size=(5.0, 4.0), dpi=100):
QtGui.QWidget.__init__(self)
self.fig = Figure(size, dpi=dpi)
self.canvas = FigureCanvas(self.fig)
self.canvas.setParent(self)
self.toolbar = NavigationToolbar(self.canvas, self)
self.vbox = QtGui.QVBoxLayout()
self.vbox.addWidget(self.toolbar)
self.vbox.addWidget(self.canvas)
self.setLayout(self.vbox)
def getFigure(self):
return self.fig
def draw(self):
self.canvas.draw()