embedding matplotlib animation into tkinter

Question

I'm learning tkinter and have gone through tutorials on how to embed matplotlib into tkinter but I have had no luck. I typically just end up with a blank canvas and my script does nothing.

The script pulls from another script that pulls data from a nitrate sensor (import getSUNA).

Below is my working animation `

import datetime as dt
import matplotlib.pyplot as plt
from matplotlib.animation import FuncAnimation
import getSUNA
import time
import pandas as pd


figure, ax = plt.subplots(figsize = (12,9))
ax.set_xlim(0, 10) 
ax.set_ylim(0, 10)

xs = []
ys = []



def animate(i,xs,ys):

    # data from suna
    print('getting data from suna')
    df = pd.DataFrame(columns=['Date', 'NO3uM'])
    df=getSUNA.measure(df)
    print(df)
    # Add x and y to lists
    xs.append(df.Date[0])
    ys.append(float(df.NO3uM[0]))
    xs = xs[-20:]
    ys = ys[-20:]
    print(xs,ys)
    # Limit x and y lists to 20 items


    # Draw x and y lists
    plt.cla()
    plt.plot(xs, ys)

    # Format plot
    plt.xticks(rotation=45, ha='right')
    plt.subplots_adjust(bottom=0.30)
    plt.title('nitrate animation')
    plt.ylabel('nitrate uM')
    #time.sleep(60)

ani = FuncAnimation(plt.gcf(), animate, fargs = (xs,ys), interval=60000)
plt.tight_layout()
plt.show()

`

Here is my attempt at embedding in tkinter. I get a canvas plot with no data and then and error occurs starting the kernel.

I've tried to embed this in a bunch of different way and nothing seams to work all with different problems. I feel like I'm missing something silly.

import tkinter as tk
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
import datetime as dt
import matplotlib.pyplot as plt
from matplotlib.animation import FuncAnimation
import getSUNA
import time
import pandas as pd
from tkinter import Frame,Label,Entry,Button




figure, ax = plt.subplots(figsize = (12,9))
ax.set_xlim(0, 10) 
ax.set_ylim(0, 10)

xs = []
ys = []


        
# This function is called periodically from FuncAnimation
def animate(i,xs,ys):

    # data from suna
    print('getting data from suna')
    df = pd.DataFrame(columns=['Date', 'NO3uM'])
    df=getSUNA.measure(df)
    print(df)
    # Add x and y to lists
    xs.append(df.Date[0])
    ys.append(float(df.NO3uM[0]))
    xs = xs[-20:]
    ys = ys[-20:]
    print(xs,ys)
    # Limit x and y lists to 20 items


    # Draw x and y lists
    plt.cla()
    plt.plot(xs, ys)

    # Format plot
    plt.xticks(rotation=45, ha='right')
    plt.subplots_adjust(bottom=0.30)
    plt.title('nitrate animation')
    plt.ylabel('nitrate uM')
    #time.sleep(60)

root = tk.Tk()

label = tk.Label(root,text="nitrate uM").grid(column=0, row=0)

canvas = FigureCanvasTkAgg(figure, master=root)
canvas.get_tk_widget().grid(column=0,row=1)

# Set up plot to call animate() function periodically
ani = FuncAnimation(plt.gcf(), animate, fargs = (xs,ys), interval=60000)



tk.mainloop()

embedding matplotlib animation into tkinter

0 Answers0