Module for testing plot method

to be used with getplot method in Bunch class, particles module

plotting.py

+# -*- coding: utf-8 -*-
+"""
+Running script to test getplot method in Bunch class, particles module
+
+@author: Watanyu Foosang
+@date: 27/03/2020
+"""
+
+import numpy as np
+import matplotlib.pyplot as plt
+import seaborn as sns
+import pandas as pd
+from tracking.particles import Bunch, Beam
+from machines.soleil import soleil
+from tracking.rf import *
+from scipy.constants import e
+
+ring = soleil() # Define the properties of the storage ring
+mybunch = Bunch(ring,mp_number=1000,current=1e-3) # Define bunch parameters
+
+mybunch.init_gaussian() # Initialize 6D bunch parameters
+
+
+v_rf = 1.1e6 # RF peak voltage [v]
+sync_phase = np.arccos(ring.U0/v_rf) # Determine the synchronous phase
+    
+rf = RFCavity(ring, m=1, Vc=v_rf, theta=sync_phase)
+
+rev = []
+mean_tau = []
+mean_delta = []    
+def track_long(bunch,ring,rf,turn):
+    """
+    Track longitudinal beam parameters for one turn
+    """
+    
+    rf.track(bunch) # update "delta" for one turn
+    bunch.particles["tau"] = bunch.particles["tau"] - bunch.particles["delta"]\
+        *ring.T0*ring.ac
+    turn += 1
+    rev.append(turn)
+    mean_tau.append(bunch.particles["tau"].mean())
+    mean_delta.append(bunch.particles["delta"].mean())
+    return turn
+
+def get_meanplot(ini,fin,step,val):
+        """
+        Plot the evolution of a mean value over turns.
+        (For now, this function only works subject to plotting module.)
+        
+        Parameters
+        ----------
+        ini: int, starting revolution
+        fin: int, final revolution
+        step: int, step size on the revolution axis
+        val: str, "tau" for maen values of tau or "del" for mean values of delta
+
+        """
+        
+        x = rev[ini-1:fin:step]
+        
+        if val == "tau":
+            val = mean_tau[ini-1:fin:step]
+        else: val = mean_delta[ini-1:fin:step]
+        
+        plt.plot(x,val)
+
+    
+    
+
+
+
+
+