Re: [Visualpython-users] slider

[Bruce S. <bas...@un...>]

There is a sample program of this kind among the standard VPython demos, 
Tk-Visual.py.

Bruce Sherwood

Gary Pajer wrote:
> I'm trying to do something similar, with mixed success.
> My approach has been to build a Tkinter application that controls a vpython
> window.
> I'm trying to use the Tkinter gui to read and set values in vpython.  For
> example,
> I'm trying to display a bar representing the value of a variable (energy) by
> using a Tkinter.Canvas.Rectangle widget.  If it works, the idea is to build
> a Tkinter gui that controls and displays lots of different vpython
> parameters.
> 
> So far I've had some success setting parameters in the gui and having
> vpython respond correctly.
> 
> Less luck having the gui display values from vpython in realtime.
> 
> Question for the experts:  does this approach have any prayer or working?
> I'm concerned about having dueling Tkinter applications (mine and the
> vpython window).  I'm wondering with trepidation if I should explore threads
> ...
> 
> -gary