def plot_area_under_curve(self):
    ' Plot area under curve per scattering event / iteration '
    plt.plot(self.area_sum)
    plt.title((((('area under curve \n (Energy: ' + str(self.energy)) + ', Acceptance Angle: ') + str(self.acceptance_angle)) + ')'))
    plt.xlabel('No. of iterations')
    plt.ylabel('Intensity a.u.')
    plt.show()
Plot area under curve per scattering event / iteration
def plot_area_under_curve(self):
    '  '
    plt.plot(self.area_sum)
    plt.title((((('area under curve \n (Energy: ' + str(self.energy)) + ', Acceptance Angle: ') + str(self.acceptance_angle)) + ')'))
    plt.xlabel('No. of iterations')
    plt.ylabel('Intensity a.u.')
    plt.show()