/** Initializes the animation. */
public void initialize() {
double x = control.getDouble("initial x");
double y = control.getDouble("initial y");
double z = control.getDouble("initial z");
double dt = control.getDouble("dt");
lorenz.initialize(x, y, z);
lorenz.ode_solver.initialize(dt);
frame.setVisible(true);
}
/** Does an animation step. */
protected void doStep() {
lorenz.doStep();
frame.setMessage("t=" + decimalFormat.format(lorenz.state[3]));
}