I'm using Spyder 3.2.6 ... added mywindow.update() inside the loop
# my code
import tkinter as tk
import time
mywindow = tk.Tk()
mywindow.minsize(width=600,height=600)
mycanvas = tk.Canvas(mywindow, width=500, height=500, background = "yellow")
mycanvas.place(x=50, y = 0)
startx = 1
for i in range (1,500,10):
mycanvas.create_line(startx,100,i,100 )
startx = i
time.sleep(0.010)
mywindow.update()
tk.mainloop()
On Tue, Jan 12, 2021 at 7:36 PM mukund athavale <[email protected]>
wrote:
> Hi,
>
> I want to draw a line on screen so that it gets displayed *slowly* from
> left to right.
> The line is not drawn point by point after the sleep time interval. The
> line appears suddenly after the total time elapsed.
>
> Increasing sleep time does not help. I have also tried the "after" command
> but does not help.
>
> Is there any simple solution ?
>
> I have used following code.
>
> # my code
> import time
> from tkinter import *
> mywindow = Tk()
>
> mywindow.minsize( width=600,height=600)
> mycanvas = Canvas(mywindow, width=500, height=500, background = "yellow")
> mycanvas.place(x=50, y = 0)
>
> startx = 1
>
> for i in range (1,500,10):
> mycanvas.create_line(startx,100,i,100 )
> startx = i
> time.sleep(0.010)
>
> mc.mainloop()
>
> Mukund Athavale
> Mumbai, India
>
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