How to embed Matplotlib charts in Tkinter GUI?
When Matplotlib is used from Python shell, the plots are displayed in a default window. The plots can be embedded in many graphical user interfaces like wxpython, pygtk, or Tkinter. These various options available as a target for the output plot are referred to as ‘backends‘. There are various modules available in matplotlib.backend for choosing the backend. One such module is backend_tkagg which is useful for embedding plots in Tkinter.
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Creating the Tkinter Application :
First, let us create a basic Tkinter application with the main window and one button which can be used to display the plot.
Embedding the Plot:
First, we need to create the figure object using the Figure() class. Then, a Tkinter canvas(containing the figure) is created using FigureCanvasTkAgg() class. Matplotlib charts by default have a toolbar at the bottom. When working with Tkinter, however, this toolbar needs to be embedded in the canvas separately using the NavigationToolbar2Tk() class.
In the implementation below, a simple graph for:
is plotted. The plot function is bound to a button that displays the figure when pressed.