Creating a GUI outside of the Vizard-Window using Tkinter

[Sven]

Hi all,

I'm planning an experiment where the test subject is inside a chamber wearing VR-Glasses, on which the Vizard-Window is shown.
For the experimenter outside, I want to create a GUI using Tkinter that allows to control the various events happening during the experiment.
However, when I try to run my script, either the vizard-window is not opening until I close the Tkinter-GUI (if I create the GUI first), or the vizard-window opens but stops showing the splash-screen until I close the GUI (if I create the vizard-window first). A simplified code example is attached.
Does anybody have an idea how to solve this?

import viz
from Tkinter import *

viz.go()

track=viz.add('track.wrl')

class VizardApp:
    
    def __init__(self, master=None):

        self.varsp1=IntVar()
        self.varsp2=IntVar()

        Label(master, text="Audio Controls").grid(row=0)
        Label(master, text="   ").grid(row=1)
        Checkbutton(master, text="Playback 1 ON", variable=self.varsp1, command=self.prvar2).grid(row=2)
        Checkbutton(master, text="Playback 2 ON", variable=self.varsp2, command=self.prvar2).grid(row=3)
        Button(master, text="Quit", command=master.quit).grid(row=8, column=2)

	    
    def prvar1(self):
		print "var1 is", self.varsp1.get(), "var2 is", self.varsp2.get()

    def prvar2(self):

		print "var2 is", self.varsp2.get(), "var1 is", self.varsp1.get() 




root=Tk()

app=VizardApp(root)

root.mainloop()