Q3D-Calibration/qdx/calibration.py

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import os
import csv
import numpy as np
from tqdm import tqdm
from matplotlib import pyplot as plt
from .Bind import Bind
from .utils import readBlockData, get_hist
class Calibration(object):
"""Calibrate the detector according to the calibration data"""
def __init__(self):
pass
def __call__(self, file1, file2, bias_b, delta_e, n=6, m=8):
"""Calibration
Parameters
----------
file1/2 : str
data file path of energy 1/2
bias_b : float
bias $b = b_1 + b_2$, in MeV
delta_e : float
delta energy between two beams, in MeV
n : int, optional
number of blocks, default 6
m : int, optional
number of binds, default 8
"""
# Initialization
self.n, self.m = n, m
self.binds = [[Bind(i, j) for j in range(m)] for i in range(n)]
# Read Data
file_list = csv.reader(open(file1, "r"))
pbar = tqdm(desc="Read Data E1", total=len(open(file1, "r").readlines()))
for row in file_list:
pn = int(row[1])
ldata, rdata = readBlockData(row[0], int(row[5]), pn, m)
for i in range(m):
bind = self.binds[pn][i]
bind.add_data(0, ldata[i], rdata[i], float(row[4]))
pbar.update(1)
pbar.close()
file_list = csv.reader(open(file2, "r"))
pbar = tqdm(desc="Read Data E2", total=len(open(file2, "r").readlines()))
for row in file_list:
pn = int(row[1])
ldata, rdata = readBlockData(row[0], int(row[5]), pn, m)
for i in range(m):
bind = self.binds[pn][i]
bind.add_data(1, ldata[i], rdata[i], float(row[4]))
pbar.update(1)
pbar.close()
# Data preprocessing
pbar = tqdm(desc="Bind Process", total=n * m)
for i in range(n):
for j in range(m):
bind: Bind = self.binds[i][j]
bind.slash()
bind.get_line()
bind.get_kb(bias_b, delta_e)
pbar.update(1)
pbar.close()
# Fit
pbar = tqdm(desc="Bind Fit", total=n * m)
for i in range(n):
for j in range(m):
bind: Bind = self.binds[i][j]
bind.get_peak_center()
bind.fit_px()
pbar.update(1)
pbar.close()
def draw_fit(self, path):
"""Draw fit result
Parameters
----------
path : str
save folder, there must be `FIT-LINE`, `GMM`, and `PEAK` 3 subfolders.
"""
pbar = tqdm(desc="Draw Fit Figure", total=self.n * self.m)
for i in range(self.n):
for j in range(self.m):
bind: Bind = self.binds[i][j]
bind.draw_fit_line(os.path.join(path, "FIT-LINE", bind.name + ".png"))
bind.draw_cluster(os.path.join(path, "GMM", bind.name + ".png"))
bind.draw_peak(os.path.join(path, "PEAK", bind.name + ".png"))
pbar.update(1)
pbar.close()
def draw_check(self, path="Check.png"):
"""Draw check figure
Parameters
----------
path : str, optional
save path
"""
pbar = tqdm(desc="Draw Check Figure", total=self.n * self.m)
fig = plt.figure(figsize=(24, 24), dpi=200)
ax1 = fig.add_subplot(3, 1, 1)
ax2 = fig.add_subplot(3, 1, 2)
ax3 = fig.add_subplot(3, 1, 3)
peaks = np.array([])
for i in range(self.n):
engs = np.array([])
for j in range(self.m):
bind = self.binds[i][j]
peaks = np.hstack((np.unique(bind.px[0]), peaks))
eng = bind.predict_energy(bind.x[0], bind.y[0])
pX = bind.predict_px(bind.x[0], bind.y[0])
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count, center = get_hist(pX, step=0.5)
engs = np.hstack((engs, eng))
ax2.scatter(pX, eng, s=0.1, color="k")
ax3.scatter(center, count + 3000 * (7 - j), s=0.5, color="k")
pbar.update(1)
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count, center = get_hist(engs, step=0.01)
ax1.plot(center, count)
peaks = np.unique(peaks)
for x in peaks:
ax3.vlines(x, 0, 3000 * self.m, color="gray", linestyles="dashed")
for j in range(self.m):
ax3.hlines(
3000 * j,
(np.min(peaks) // 50) * 50,
(np.max(peaks) // 50 + 1) * 50,
color="r",
linestyles="dashdot",
)
ax1.set_xlabel("Energy (MeV)")
ax1.set_ylabel("Count per bin")
ax2.set_xlabel("x (mm)")
ax2.set_ylabel("Energy (MeV)")
ax3.set_xlabel("x (mm)")
ax3.set_ylabel("Count per bin")
fig.savefig(path, facecolor="w", transparent=False)
plt.close()
pbar.close()
def save(self, path="coef.csv"):
"""Save coefficient to file
Parameters
----------
path : str, optional
save path
"""
f = open(path, "w")
for i in range(self.n):
for j in range(self.m):
bind = self.binds[i][j]
f.writelines(
"{:d},{:d},{:.9f},{:.9f},{:.9f},{:.9f},{:.9f}\n".format(
i, j, bind.k1, bind.k2, bind.b, bind.L, bind.C
)
)