Hi,
Please change plotnew to:
def plotnew(self):
#self.f.clf() # clear the figure
self.t=arange(0.0,5.0,0.05)
self.s1=sin(2*pi*self.t)
self.s2=self.s1*-1
self.a.plot(self.t,self.s1,self.t,self.s2)
self.canvas.show()
I added self.canvas.show()
This works for me.
Gregor Skrt-2 wrote:
>
> 1. Where can I find a good tutorial or set of examples for
> embeding matplotlib in Tkinter ?
> 2. Problem: I created a simple test with Tkinter. First I plot my
> graph on __init__ (it works ok). Then I want to clear graph and
> plot on the same canvas with different parameters. The thing is
> that plot shows up only when I resize my window. Any idea what
> could I be doing wrong ? I was trying draw method but it doasn't
> work...
>
>
> Here is my code:
>
> Thanks for your help. Gregor Skrt
>
>
>
>
> #!/usr/bin/env python
>
> import matplotlib
> matplotlib.use('TkAgg')
>
> from numpy import arange, sin, pi , cos
> from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg,
> NavigationToolbar2TkAgg
> from matplotlib.figure import Figure
>
> from Tkinter import *
> import sys
>
> class App:
> def __init__(self,master):
> frame = Frame(master)
> frame.pack()
>
> self.button=
> Button(frame,text='Quit',fg="black",command=frame.quit)
> self.button.pack(side=LEFT)
>
> self.hi_there=Button(frame,text="Plot Inverse
> sin",command=self.plotnew)
> self.hi_there.pack(side=LEFT)
>
> # place a graph somewhere here
> self.f = Figure(figsize=(5,4), dpi=100)
> self.a = self.f.add_subplot(111)
> self.t = arange(0.0,3.0,0.01)
> self.s = sin(2*pi*self.t)
> self.a.grid(True)
> self.a.set_xlabel("cas [s]")
> self.a.set_ylabel("amplituda")
> self.a.plot(self.t,self.s)
>
> self.canvas = FigureCanvasTkAgg(self.f, master=root)
> self.canvas.show()
> self.canvas.get_tk_widget().pack(side=TOP, fill=BOTH, expand=1)
>
> def plotnew(self):
> #get values from controller board, database
> #self.f.clf() # clear the figure
> self.t=arange(0.0,5.0,0.05)
> self.s1=sin(2*pi*self.t)
> self.s2=self.s1*-1
> self.a.plot(self.t,self.s1,self.t,self.s2)
>
>
> root=Tk()
> app=App(root)
> root.mainloop()
>
> #!/usr/bin/env python
>
> import matplotlib
> matplotlib.use('TkAgg')
>
> from numpy import arange, sin, pi , cos
> from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg,
> NavigationToolbar2TkAgg
> from matplotlib.figure import Figure
>
> from Tkinter import *
> import sys
>
> class App:
> def __init__(self,master):
> frame = Frame(master)
> frame.pack()
>
> self.button=
> Button(frame,text='Quit',fg="black",command=frame.quit)
> self.button.pack(side=LEFT)
>
> self.hi_there=Button(frame,text="Plot Inverse
> sin",command=self.plotnew)
> self.hi_there.pack(side=LEFT)
>
> # place a graph somewhere here
> self.f = Figure(figsize=(5,4), dpi=100)
> self.a = self.f.add_subplot(111)
> self.t = arange(0.0,3.0,0.01)
> self.s = sin(2*pi*self.t)
> self.a.grid(True)
> self.a.set_xlabel("cas [s]")
> self.a.set_ylabel("amplituda")
> self.a.plot(self.t,self.s)
>
> self.canvas = FigureCanvasTkAgg(self.f, master=root)
> self.canvas.show()
> self.canvas.get_tk_widget().pack(side=TOP, fill=BOTH, expand=1)
>
> def plotnew(self):
> #self.f.clf() # clear the figure
> self.t=arange(0.0,5.0,0.05)
> self.s1=sin(2*pi*self.t)
> self.s2=self.s1*-1
> self.a.plot(self.t,self.s1,self.t,self.s2)
>
>
> root=Tk()
> app=App(root)
> root.mainloop()
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