Hi blhoward2, welcome to PerlMonks. :)

One way you might start off very simply is to use a module like GD to do the drawing. That is, write a simple program that reads a plain text config file containing the relevant parameters, then uses GD to generate an image file.

Then, later, when you're happy with that, you can consider at that point if you want to use something like Tk to add a GUI. Regarding GUI's btw, I remember reading a TPR article recently about using Glade and GTK+ to make GUI programs and it looked pretty nice.