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from tkinter import filedialog from tkinter import *
root = Tk() root.withdraw() root.filename = filedialog.askopenfilename(initialdir = "/",title = "Select file",filetypes = (("csv files","*.csv"),("all files","*.*"))) print (root.filename)
root.destroy()
import csv with open(root.filename, 'r') as f: reader = csv.reader(f) data_list = list(reader) x = [] y = [] for (x0,y0) in data_list: x.append(float(x0)) y.append(float(y0))
import matplotlib.pyplot as plt import numpy as np
plt.figure(num=1, figsize=(10,6)) plt.title('Draw Tmax plots') plt.plot(x,y, linewidth=1.0) plt.xlim((198, 2500)) plt.ylim((0, 100)) plt.xlabel('Wavelength (nm)') plt.ylabel('T (%)') plt.draw()
TM=plt.ginput(n=int(),timeout=0) TM_x = [] TM_y = [] for (x1,y1) in TM: TM_x.append(x1) TM_y.append(y1) plt.close()
plt.figure(num=2, figsize=(10,6)) plt.title('Draw Tmin plots') plt.plot(x,y, linewidth=1.0) plt.xlim((198, 2500)) plt.ylim((0, 100)) plt.xlabel('Wavelength (nm)') plt.ylabel('T (%)') plt.draw()
Tm=plt.ginput(n=int(),timeout=0) Tm_x = [] Tm_y = [] for (x2,y2) in Tm: Tm_x.append(x2) Tm_y.append(y2) plt.close()
plt.figure(num=3, figsize=(10,6)) plt.title('Select extrema (both max & min) in order (at least 2)') plt.plot(x,y, linewidth=1.0) plt.plot(TM_x,TM_y, color='red', linewidth=1.0) plt.plot(Tm_x,Tm_y, color='red', linewidth=1.0) plt.xlim((198, 2500)) plt.ylim((0, 100)) plt.xlabel('Wavelength (nm)') plt.ylabel('T (%)') plt.draw()
Tex1=plt.ginput(n=int(),timeout=0) Tex1_x = [] Tex1_y = [] for (x3,y3) in Tex1: Tex1_x.append(x3) Tex1_y.append(y3) plt.close()
plt.figure(num=4, figsize=(10,6)) plt.title('Select extrema paired points in order') plt.plot(x,y, linewidth=1.0) plt.plot(TM_x,TM_y, color='red', linewidth=1.0) plt.plot(Tm_x,Tm_y, color='red', linewidth=1.0) plt.scatter(Tex1_x,Tex1_y, marker = '+', color='black') plt.xlim((198, 2500)) plt.ylim((0, 100)) plt.xlabel('Wavelength (nm)') plt.ylabel('T (%)') plt.draw()
Tex2=plt.ginput(n=int(),timeout=0) Tex2_x = [] Tex2_y = [] for (x4,y4) in Tex2: Tex2_x.append(x4) Tex2_y.append(y4) plt.close()
plt.figure(num=5, figsize=(10,6)) plt.title('Results') plt.plot(x,y, linewidth=1.0) plt.plot(TM_x,TM_y, color='red', linewidth=1.0) plt.plot(Tm_x,Tm_y, color='red', linewidth=1.0) plt.scatter(Tex1_x,Tex1_y, marker = '+', color='black') plt.scatter(Tex2_x,Tex2_y, marker = '+', color='black') plt.xlim((198, 2500)) plt.ylim((0, 100)) plt.xlabel('Wavelength (nm)') plt.ylabel('T (%)') plt.draw()
s=1.51 m=0 dlist = [] if len(Tex1_x) == len(Tex2_x) and len(Tex1_y) == len(Tex2_y) and len(Tex1_x) > 1: while m < len(Tex1_x) - 1: N1 = 2 * s * abs(Tex1_y[m] - Tex2_y[m]) / Tex1_y[m] / Tex2_y[m] + ( s ** 2 + 1 ) / 2 N2 = 2 * s * abs(Tex1_y[m+1] - Tex2_y[m+1]) / Tex1_y[m+1] / Tex2_y[m+1] + ( s ** 2 + 1 ) / 2 n1 = (N1 + (abs(N1 ** 2 - s **2))**0.5 ) ** 0.5 n2 = (N2 + (abs(N2 ** 2 - s **2))**0.5 ) ** 0.5 d = abs(0.5 * Tex1_x[m] * Tex1_x[m+1] / 2 / (Tex1_x[m] * n2 - Tex1_x[m+1] * n1)) dlist.append(d) m = m + 1 d_avg = sum(dlist) / len(dlist) d_std = np.std(dlist) else: d_avg = 0 d_std = 0
x_t = [] y_t = [] for (x_t0,y_t0) in data_list: if float(x_t0) < 400 or float(x_t0) > 750: continue x_t.append(float(x_t0)) y_t.append(float(y_t0)) t_avg = sum(y_t) / len(y_t)
plt.text(1000,5, r'''Average Thickness (nm): {} Standard Deviation (nm): {} Average Trans of 400 ~ 750nm (%): {}'''.format('%.0f' % d_avg,'%.0f' % d_std,'%.0f' % t_avg)) fontdict={'size': 16, 'color': 'black'} plt.show()
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