Lindenmayer system visualizer in Clojure

The curves defined in this program are of the form

1. initial state,
2. replacement rule,
3. angle (for the angle change operator - or +)
4. initial angle

In code, the Koch curve would look like:

;Koch curve
(def koch-curve
  {:init  [:f :- :- :f :- :- :f]
   :rules {:f [:f :+ :f :- :- :f :+ :f]}
   :theta 60
   :init-angle 0})

Running the visualizer

It is assumed that you are using lein to build your Clojure.

1. Download Xming X Server.
2. To test that Xming is working, run sudo apt-get install x11-apps, export DISPLAY=:0, and finally xeyes.
3. You'll know what xeyes is when you see it.
4. Note: Though you won't always need to test whether Xming is working after the first time, you must run
   export DISPLAY=:0 every new command line session for running this code.
5. Once you confirm that Xming is working, compile the code in lein repl with (ns l_system_lab.core) and
   (use 'l_system_lab.core :reload-all).