[Matplotlib-users] Embedding, Drawing, Curser in Tkinter

[stefanxfg]

Hello to everyone.

I develop a GUI and i want to embedd Matplotlib in a Tkinter Canvas. Theres
is no problem until here. But i want to draw the lines and have a curser
line in the diagram. In the code below i embedd the canvas in the
INIT-Function. 

 

class BOStrab_Fahrzeugeinschraenkung:
	def __init__(self, top=None):
            ......
		self.ya = np.array(ddd)
		self.yb = np.array(ddd)
		self.z = np.array(ddd)
		
		self.canvasframe11 = Frame(self.TPanedwindow4_f2)
		self.canvasframe11.place(x=0, y=0, relwidth=1.0, relheight=0.95,
bordermode=INSIDE)
		self.canvasframe12 = Frame(self.TPanedwindow4_f2)
		self.canvasframe12.place(x=0, rely=0.95, relwidth=1.0, bordermode=INSIDE)
		
		global ax1
		self.fig1 = Figure (figsize=(5,4), dpi=100)

		self.ax1 = self.fig1.add_subplot(111) #für 2d-Plot
		self.ax1.set_title('Definition der LRUGL')
		self.ax1.set_xlabel('Breite y [mm]')
		self.ax1.set_ylabel('Hoehe z [mm]')
		
		self.ax1.axis([-2000,2000,0, 5000])
		self.ax1.grid(True)
		self.ax1.plot(self.ya,self.z, color='red', linestyle='--', marker='')
		self.ax1.plot(self.yb,self.z, color='red', linestyle='--', marker='')
		
		self.canvas1 = FigureCanvasTkAgg(self.fig1,self.canvasframe11)
		toolbar1 = NavigationToolbar2TkAgg(self.canvas1, self.canvasframe12)

		self.canvas1.get_tk_widget().pack(fill=BOTH, expand=TRUE, pady=2, padx=2,
anchor="n")



In several examples i saw the drawing in def's and the input for the drawing
from root. So the following code is function then.


def onMouseMove(event):
	ax1.lines = [ax1.lines[0]]
	ax1.axhline(y=event.ydata, color="k")
	ax1.axvline(x=event.xdata, color="k")

def updateData():
	global level1, val1
	clamp = lambda n, minn, maxn: max(min(maxn, n), minn)
	yield 1     # FuncAnimation expects an iterator

def visualize(i):
	lineVal1.set_ydata(val1)
	return lineVal1	


My question is. Is my way to embedd the code in Tkinter right? Or its better
to declare the diagram functionalities outside the class and only draw into
the class?

Best regards from Stefan



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