tkinter

Author: furas

tkinter/matplotlib-replace-data-axis-figure/main.py

@@ -0,0 +1,118 @@
+#!/usr/bin/env python3
+
+# date: 2020.03.30
+
+import tkinter as tk
+from matplotlib.figure import Figure
+from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
+import random
+
+# --- functions ---
+
+def clear_data():
+    datax = []
+    datay = []
+
+    plot[0].set_data(datax, datay)
+    
+    canvas.draw()
+
+def replace_data():
+    datax = range(10)
+    datay = [x/10 for x in random.sample(range(10), 10)]
+    
+    plot[0].set_data(datax, datay)
+    
+    canvas.draw()
+
+def clear_axis():
+    global plot 
+
+    axis.clear()
+    #axis.cla()
+    
+    canvas.draw()
+
+def replace_axis():
+    global plot 
+
+    axis.clear()
+    #axis.cla()
+    
+    datax = range(10)
+    datay = [x/10 for x in random.sample(range(10), 10)]
+
+    plot = axis.plot(datax, datay)
+
+    canvas.draw()
+
+def clear_figure():
+    fig.clear()
+    #fig.clf()
+
+    canvas.draw()
+
+def replace_figure():
+    global fig
+    global axis
+    global plot 
+
+    fig.clear()
+    #fig.clf()
+
+    # create figure, axis, canvas
+    fig = Figure(figsize=(5, 5))
+    axis = fig.add_subplot(111)
+    canvas.figure = fig
+    
+    datax = range(10)
+    datay = [x/10 for x in random.sample(range(10), 10)]
+
+    plot = axis.plot(datax, datay)
+
+    canvas.draw()
+    
+# --- main ---
+
+root = tk.Tk()
+
+datax = range(10)
+datay = [x/10 for x in random.sample(range(10), 10)]
+
+# create figure, axis, canvas
+fig = Figure(figsize=(5, 5))
+axis = fig.add_subplot(111)
+
+canvas = FigureCanvasTkAgg(fig, master=root)
+canvas.get_tk_widget().pack(side='top', fill='both', expand=True)
+
+# plot data
+plot = axis.plot(datax, datay)
+
+# redraw (if needed)
+#canvas.draw()
+
+# buttons
+
+frame = tk.Frame(root)
+frame.pack()
+
+b = tk.Button(frame, text='Clear data', command=clear_data)
+b.grid(row=0, column=0, sticky='we')
+
+b = tk.Button(frame, text='Replace data', command=replace_data)
+b.grid(row=0, column=1, sticky='we')
+
+b = tk.Button(frame, text='Clear axis', command=clear_axis)
+b.grid(row=1, column=0, sticky='we')
+
+b = tk.Button(frame, text='Replace axis', command=replace_axis)
+b.grid(row=1, column=1, sticky='we')
+
+b = tk.Button(frame, text='Clear figure', command=clear_figure)
+b.grid(row=2, column=0, sticky='we')
+
+b = tk.Button(frame, text='Replace figure', command=replace_figure)
+b.grid(row=2, column=1, sticky='we')
+              
+root.mainloop()