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ETAcontrol_RC12.py
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ETAcontrol_RC12.py
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# Functional on all parts.
#
# With 3 lines showing in real time, minimum IntTime is 25ms due to extra drawing overhead
# Consider not drawing Base data, see commented lines.
# Strong version dependence on plotting speed:
# Python 3.6.8: 25ms is solid, 24ms is ok but some small random shifts
# Python 3.9.10: 15ms is solid
# Other speed related properties:
# Plotting point '.' is faster than circle 'o' is faster than line 'lw=1'. Faster or less resource
# intensive, doesn't matter, it works better (able to record 90s without time errors).
# Plotting pixel ',' is even faster, but a little hard to see.
# With v3.9.10 15ms integration can be plotted with all three wavelengths using
# a pixel marker using 'markevery=2' for everyother point.
try:
import Tkinter as tk
except ImportError:
import tkinter as tk
from tkinter import Scrollbar
from tkinter import Spinbox
from tkinter import Text
from tkinter import messagebox
from tkinter.filedialog import asksaveasfilename
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figure
from matplotlib import pyplot as plt
from matplotlib.lines import Line2D
from matplotlib import style
style.use("ggplot")
plt.rcParams['axes.facecolor']='#F8F8F8'
plt.rcParams['lines.color']='blue'
plt.rcParams['figure.figsize'] = [9.0, 7.0]
import seabreeze.spectrometers as sb
import numpy as np
import time
from time import (perf_counter)
import os #for filename and path handling
import csv #easier file writing
import gc #garbage collection
import serial
# Enumerate spectrometer, set a default integration time, get x & y extents
try:
spec = sb.Spectrometer.from_serial_number()
except:
messagebox.showerror("Error", "No spectrometer attached")
exit()
#Serial port setup
try:
ser = serial.Serial(port='COM3',
baudrate=57600,
parity=serial.PARITY_NONE,
stopbits=serial.STOPBITS_ONE,
bytesize=serial.EIGHTBITS,
timeout = 0,
writeTimeout = 0
) #ensure non-blocking
except serial.SerialException:
messagebox.showerror("Error", "Error opening serial port. \nIs PUTTY open?")
exit()
except:
messagebox.showerror("Error", "Other problem with serial port communication")
exit()
# Spectrometer data collectors
def get_wavelengths():
spec_x = spec.wavelengths()
return spec_x
def get_intensities():
spec_y = spec.intensities(correct_dark_counts=False, correct_nonlinearity=False) #dark counts might need to be false
return spec_y
class App(tk.Frame):
def __init__(self, master=None, **kwargs):
tk.Frame.__init__(self, master, **kwargs)
#Spectrometer initial setup
self.wavelengths = np.around(get_wavelengths(), decimals=3) #round wavelengths to practical limits
self.ydata = np.array(get_intensities())
self.max_intensity = 65535
self.xmin = np.around(min(self.wavelengths), decimals=3)
self.xminlimit = self.xmin
self.xmax = np.around(max(self.wavelengths), decimals=3)
self.xmaxlimit = self.xmax
self.ymin = np.around(min(self.ydata * 0.8), decimals=3) #ymin is the display limit, data_min*0.8 to give a margin
self.ymax = np.around(max(self.ydata * 1.1), decimals=3)
self.waveres = np.around(self.wavelengths[1] - self.wavelengths[0], decimals=3)
self.IntTime = 25000 #set in microseconds, this is 25ms
spec.integration_time_micros(self.IntTime) #send IntTime to spectrograph
self.IntTimeLimits = spec.integration_time_micros_limits #BIGGER RANGE THAN REALLY EXISTS; this is available if needed;reads as tuple
self.max_intensity = spec.max_intensity #fullscale limit
self.timelimit = 5 # time in SECONDS, default to 5 s for convenience
#preload wavelength values
self.wavelength1 = tk.StringVar(self, self.wavelengths[int(len(self.wavelengths) * 0.8)])
self.wavelength2 = tk.StringVar(self, self.wavelengths[int(len(self.wavelengths) * 0.7)])
self.wavelength3 = tk.StringVar(self, self.wavelengths[int(len(self.wavelengths) * 0.6)])
#GUI entries
self.menu_left = tk.Frame(self, width=150, bg="#ababab")
#upper and lower menus are grid arranged
self.menu_left_upper = tk.Frame(self.menu_left, width=150, height=150, bg="red")
self.menu_left_lower = tk.Frame(self.menu_left, width=150, bg="blue")
self.heading = tk.Label(self.menu_left_upper, text="Spectrometer Controls")
self.heading.grid(column=0, row=0, columnspan=2)
self.heading = tk.Label(self.menu_left_lower, text="PowerSupply Controls")
self.heading.grid(column=0, row=0, columnspan=2)
self.menu_left_upper.pack(side="top", fill="both", expand=True)
self.menu_left_lower.pack(side="top", fill="both", expand=True)
#upper menu (use Grid placement)
self.wavelen1boxlabel = tk.Label(self.menu_left_upper, text='Line Wavelength 1:', fg = 'red', relief = 'ridge')
self.wavelen1boxlabel.grid(column=0, row=1)
self.wavelen1box = Spinbox(self.menu_left_upper, values = list(self.wavelengths), textvariable=self.wavelength1, width=7, format="%.3f", command=self.wavelenaction)# only valid wavelengths displayed
self.wavelength1.set(self.wavelengths[int(len(self.wavelengths) * 0.8)]) # using values list sets first index as default, this 'set' inserts preferred initial value; (int(len()) gets index position
self.wavelen1box.bind('<Return>', self.wavelen_entry) and self.wavelen1box.bind('<Tab>', self.wavelen_entry)
self.wavelen1box.grid(column=1, row=1)
self.wavelen2boxlabel = tk.Label(self.menu_left_upper, text=' Bkg Wavelength 2:', fg = 'green', relief = 'ridge')
self.wavelen2boxlabel.grid(column=0, row=2)
self.wavelen2box = Spinbox(self.menu_left_upper, values = list(self.wavelengths), textvariable=self.wavelength2, width=7, format="%.3f", command=self.wavelenaction)# only valid wavelengths displayed
self.wavelength2.set(self.wavelengths[int(len(self.wavelengths) * 0.7)])
self.wavelen2box.bind('<Return>', self.wavelen_entry) and self.wavelen2box.bind('<Tab>', self.wavelen_entry)
self.wavelen2box.grid(column=1, row=2)
self.wavelen3boxlabel = tk.Label(self.menu_left_upper, text='Base Wavelength 3:', fg = 'purple', relief = 'ridge')
self.wavelen3boxlabel.grid(column=0, row=3)
self.wavelen3box = Spinbox(self.menu_left_upper, values = list(self.wavelengths), textvariable=self.wavelength3, width=7, format="%.3f", command=self.wavelenaction)# only valid wavelengths displayed
self.wavelength3.set(self.wavelengths[int(len(self.wavelengths) * 0.6)])
self.wavelen3box.bind('<Return>', self.wavelen_entry) and self.wavelen3box.bind('<Tab>', self.wavelen_entry)
self.wavelen3box.grid(column=1, row=3)
self.wavelength1 = self.wavelen1box.get() #REQUIRED read StringVar as String for passing to next function
self.wavelength2 = self.wavelen2box.get()
self.wavelength3 = self.wavelen3box.get()
# X axis visible range
self.xminlabel = tk.Label(self.menu_left_upper, text='Minimum Wavelength', relief = 'ridge')
self.xminlabel.grid(column=0, row=4)
self.xminentry = tk.Entry(self.menu_left_upper, width = 7)
self.xminentry.grid(column=1, row=4)
self.xminentry.insert(0, self.xmin)
self.xminentry.bind('<Return>', self.Xscale_change) and self.xminentry.bind('<Tab>', self.Xscale_change)
self.xmaxlabel = tk.Label(self.menu_left_upper, text='Maximum Wavelength', relief = 'ridge')
self.xmaxlabel.grid(column=0, row=5)
self.xmaxentry = tk.Entry(self.menu_left_upper, width = 7)
self.xmaxentry.grid(column=1, row=5)
self.xmaxentry.insert(0, self.xmax)
self.xmaxentry.bind('<Return>', self.Xscale_change) and self.xmaxentry.bind('<Tab>', self.Xscale_change)
# Integration time
self.integrationlabel = tk.Label(self.menu_left_upper, text='Integration \r time (ms)', relief = 'ridge')
self.integrationlabel.grid(column=0, row=6)
self.integrationentry = tk.Entry(self.menu_left_upper, width = 7)
self.integrationentry.grid(column=1, row=6)
self.integrationentry.insert(0, int(self.IntTime / 1000)) #display ms value of IntTime
self.integrationentry.bind('<Return>', self.IntegrationTime) and self.integrationentry.bind('<Tab>', self.IntegrationTime)
# rescale Y and X buttons
self.button_rescaleY = tk.Button(self.menu_left_upper, text='Rescale Y')
self.button_rescaleY.grid(column=0, row=7)
self.button_rescaleY.bind('<ButtonRelease-1>', self.RescaleY)
self.button_fullscaleY = tk.Button(self.menu_left_upper, text='Fullscale Y')
self.button_fullscaleY.grid(column=0, row=8)
self.button_fullscaleY.bind('<ButtonRelease-1>', self.FullscaleY)
self.button_fullscaleX = tk.Button(self.menu_left_upper, text='Fullscale X')
self.button_fullscaleX.grid(column=1, row=8)
self.button_fullscaleX.bind('<ButtonRelease-1>', self.FullscaleX)
# Display mode
self.DisplayCode = 1 #spectrum display
self.modelabel = tk.Label(self.menu_left_upper, text='Display Mode switch', relief = 'ridge')
self.modelabel.grid(column=0, row=9)
self.button_DisplayMode = tk.Button(self.menu_left_upper, text='Spectrum', width=10) #will change text dynamically with use
self.button_DisplayMode.grid(column=1, row=9)
self.button_DisplayMode.bind('<ButtonRelease-1>', self.DisplayMode)
# Time Series length
self.timelimitlabel = tk.Label(self.menu_left_upper, text='Time series \rlength (s)', relief = 'ridge')
self.timelimitlabel.grid(column=0, row=10)
self.timelimitentry = tk.Entry(self.menu_left_upper, width = 7)
self.timelimitentry.grid(column=1, row=10)
self.timelimitentry.insert(0, self.timelimit)
self.timelimitentry.bind('<Return>', self.TimeLimit_change) and self.timelimitentry.bind('<Tab>', self.TimeLimit_change)
#lower menu (use Grid placement)
self.PSscroll = Scrollbar(self.menu_left_lower)
self.PSscroll.grid(column=1, row=1, sticky='ns')
self.PStext = Text(self.menu_left_lower, width =25, height = 12)
self.PStext.insert(tk.END, "Some text here \n")
self.PStext.grid(column=0, row=1) #, columnspan=2)
self.PStext.config(yscrollcommand=self.PSscroll.set)
self.PSscroll.config(command=self.PStext.yview)
self.PSentrylabel = tk.Label(self.menu_left_lower, text='PS command:', relief = 'ridge')
self.PSentrylabel.grid(column=0, row=2)
self.PSentry = tk.Entry(self.menu_left_lower, width='10')
self.PSentry.bind('<Return>', self.writeSerial)
self.PSentry.grid(column=1, row=2)
self.PS_go_label = tk.Label(self.menu_left_lower, text='Start PS and spectro', relief = 'ridge')
self.PS_go_label.grid(column=0, row=3)
self.PS_go_button = tk.Button(self.menu_left_lower, text='Measure')
self.PS_go_button.grid(column=1, row=3)
self.PS_go_button.bind('<ButtonRelease-1>', self.PS_go)
self.PSslot = 1
self.PS_slot_label = tk.Label(self.menu_left_lower, text='Power Supply memory slot', relief = 'ridge')
self.PS_slot_label.grid(column=0, row=4)
self.PS_slot = tk.Spinbox(self.menu_left_lower, from_=0, to=7, textvariable=self.PSslot, width=3)
self.PS_slot.grid(column=1, row=4)
self.PS_emergencystop_button = tk.Button(self.menu_left_lower, text='Stop PS', bg='red', fg='white', font='bold')
self.PS_emergencystop_button.grid(column=1, row=6)
self.PS_emergencystop_button.bind('<ButtonRelease-1>', self.PS_EmergencyStop)
# right display area -- Spectrograph Plot Area
self.some_title_frame = tk.Frame(self, bg="#dfdfdf")
self.some_title = tk.Label(self.some_title_frame, text="Spectrograph Window", bg="#dfdfdf")
self.some_title.pack()
#buttons at top of Spectrum region
self.btn = tk.Button(self.some_title_frame, text='Start', command=self.on_click)
self.btn.pack(side=tk.RIGHT)
#first two lines give a functioning empty box
self.canvas_area = tk.Canvas(self, width=700, height=500, background="#ffffff")
self.canvas_area.grid(row=1, column=1)
#lower status bar
self.status_frame = tk.Frame(self)
self.status = tk.Label(self.status_frame, text=spec)
self.status.pack(fill="both", expand=True)
#set locations of the major areas to the corners of the box
self.menu_left.grid(row=0, column=0, rowspan=2, sticky="nsew")
self.some_title_frame.grid(row=0, column=1, sticky="ew")
self.canvas_area.grid(row=1, column=1, sticky="nsew")
self.status_frame.grid(row=2, column=0, columnspan=2, sticky="ew")
#End GUI entries
#Create plot area
#create plot object and draw it with empty data before starting matplotlib line artists
# 'ax1' is ax"one" not a letter
self.fig = plt.Figure()
self.ax1 = self.fig.add_subplot(111)
self.line, = self.ax1.plot([], [], lw=1, color='blue') #creates empty line !! comma is important for Blit
self.canvas = FigureCanvasTkAgg(self.fig, master=self)
self.canvas.draw()
self.canvas.get_tk_widget().grid(row=1, column=1)
#Axis limits. Get from the spectrograph data
self.ax1.set_ylim(self.ymin, self.ymax)
self.ax1.set_xlim(self.xmin, self.xmax)
self.ax1.set_xlabel('Wavelength (nm)')
self.ax1.grid(True, color='0.3', ls='dotted') # places dark grid on spectrum display
#Create the line artist objects for Blit
self.waveline1, = self.ax1.plot([], [], lw=2, color='red', alpha = 0.5) #create empty objects because these lines are Blit artists
self.waveline2, = self.ax1.plot([], [], lw=2, color='green', alpha = 0.5)
self.waveline3, = self.ax1.plot([], [], lw=2, color='purple', alpha = 0.5)
self.linedata, = self.ax1.plot([], [], '.', color='red', markevery=5)
self.bkgdata, = self.ax1.plot([], [], '.', color='green', markevery=5)
#self.basedata, = self.ax1.plot([], [], '.', color='purple', markevery=5) #not usually displayed
self.bm = BlitManager(self.fig.canvas, [self.line, self.waveline1, self.waveline2, self.waveline3]) #remember to send all lines to the Class !! set bm because the first screen is always a spectrum
#end artist creation
def on_click(self):
# Start button will start infinite cycle on whole spectrum or start an individual time series.
gc.collect()
self.bm = BlitManager(self.fig.canvas, [self.line, self.waveline1, self.waveline2, self.waveline3]) #reset blit to spectrum mode
self.btn.config(text='Running')
return self.update_graph()
def update_graph(self):
# if DisplayCode = 1 then do spectrum; else do timeseries as below
self.canvas.draw() # guarantees that all lines and scaling get reset
while self.DisplayCode == 1:
self.line.set_data(self.wavelengths, get_intensities()) # update matplotlib line data
self.bm.update() #redraw with blit manager call
else:
self.bm = BlitManager(self.fig.canvas, [self.linedata, self.bkgdata])#, self.basedata])
gc.collect()
xdata = []
linedata = []
bkgdata = []
basedata = [] # base data is calculated but not drawn to save on drawing overhead and gain speed
self.linedata.set_data(xdata, linedata)
self.bkgdata.set_data(xdata, bkgdata)
#self.basedata.set_data(xdata, basedata) #not usually displayed
self.canvas.draw() # this draw and the lines above blank the display area before a repeat cycle
index1 = np.where(self.wavelengths == float(self.wavelength1))[0] #array index of the chosen wavelength
index2 = np.where(self.wavelengths == float(self.wavelength2))[0]
index3 = np.where(self.wavelengths == float(self.wavelength3))[0]
starttime = perf_counter() # better quality time counter
for zzz in range(self.timelimit * int(1000/self.IntTime*1000) + 2): # 2 extra cycles to catch end of process
ydata = np.array(get_intensities()) # gets full data
xdata.append(perf_counter() - starttime) # appends elapsed time on each cycle
linedata.append(float(ydata[index1])) # append doesn't work on np.arrays (lol)
bkgdata.append(float(ydata[index2]))
basedata.append(float(ydata[index3]))
self.linedata.set_data(xdata, linedata) # update matplotlib line data
self.bkgdata.set_data(xdata, bkgdata)
#self.basedata.set_data(xdata, basedata) # not usually displayed
self.bm.update() # blit manager call
#diagnostics printed to terminal, can be removed ----
#print("per point = ", str((perf_counter()-starttime)/(self.timelimit * int(1000/self.IntTime*1000))))
#print("std dev = ", str(np.std(np.diff(xdata))))
#print("max = ", str(np.amax(np.diff(xdata))))
#print("# over inttime = ", sum(i>(1.05*self.IntTime/1000000) for i in np.diff(xdata)))
#print(np.where(np.asarray(xdata)>(self.IntTime/1000)))
#print(np.diff(xdata))
#fig2, ax2 = plt.subplots()
#ax2.plot(xdata[0:len(xdata)-1], np.diff(xdata), 'o')
#fig2.canvas.manager.show()
#end diagnostics -----
self.btn.config(text='Start')
gc.collect() # garbage collector
# save data
xdata=np.asarray(xdata)
linedata=np.asarray(linedata)
bkgdata=np.asarray(bkgdata)
basedata=np.asarray(basedata)
saveFile(xdata, linedata, bkgdata, basedata, self.wavelength1, self.wavelength2, self.wavelength3)
def wavelenaction(self):
self.wavelength1 = self.wavelen1box.get()
self.wavelength2 = self.wavelen2box.get()
self.wavelength3 = self.wavelen3box.get()
self.waveline1.set_data([float(self.wavelength1), float(self.wavelength1)], [self.ymin, self.ymax]) #update line position here to make data loop faster
self.waveline2.set_data([float(self.wavelength2), float(self.wavelength2)], [self.ymin, self.ymax])
self.waveline3.set_data([float(self.wavelength3), float(self.wavelength3)], [self.ymin, self.ymax])
self.bm.update() # update the line locations with self.bm.update()
def wavelen_entry(self, event):
tempwavelen1 = self.wavelen1box.get()
if self.check_valid_wavelength(tempwavelen1) == True:
index_wavelen1 = int(np.searchsorted(self.wavelengths, float(tempwavelen1), side='left'))
self.wavelength1 = self.wavelengths[index_wavelen1]
self.wavelen1box.delete(0, 'end')
self.wavelen1box.insert(0, self.wavelength1) #set text in wavelength1 box
self.wavelenaction()
else:
self.wavelen1box.delete(0, 'end')
self.wavelen1box.insert(0, self.wavelength1)
tempwavelen2 = self.wavelen2box.get()
if self.check_valid_wavelength(tempwavelen2) == True:
index_wavelen2 = int(np.searchsorted(self.wavelengths, float(tempwavelen2), side='left'))
self.wavelength2 = self.wavelengths[index_wavelen2]
self.wavelen2box.delete(0, 'end')
self.wavelen2box.insert(0, self.wavelength2) #set text in wavelength2 box
self.wavelenaction()
else:
self.wavelen2box.delete(0, 'end')
self.wavelen2box.insert(0, self.wavelength2)
tempwavelen3 = self.wavelen3box.get()
if self.check_valid_wavelength(tempwavelen3) == True:
index_wavelen3 = int(np.searchsorted(self.wavelengths, float(tempwavelen3), side='left'))
self.wavelength3 = self.wavelengths[index_wavelen3]
self.wavelen3box.delete(0, 'end')
self.wavelen3box.insert(0, self.wavelength3) #set text in wavelength3 box
self.wavelenaction()
else:
self.wavelen3box.delete(0, 'end')
self.wavelen3box.insert(0, self.wavelength3)
def check_valid_wavelength(self, wave_to_check):
try:
float(wave_to_check) #can string be converted to float?
if (float(wave_to_check) < self.xmax) and (float(wave_to_check) > self.xmin): #entry is within current bounds
return(True)
else:
return(False)
except:
return(False)
def RescaleY(self, event):
index_xmin = np.searchsorted(self.wavelengths, self.xmin, side='left')
index_xmax = np.searchsorted(self.wavelengths, self.xmax, side='left')
ydata = np.around(get_intensities(), decimals=2)
self.ymin = np.around(min(ydata[index_xmin:index_xmax])*0.8, decimals=2)
self.ymax = np.around(max(ydata[index_xmin:index_xmax])*1.1, decimals=2)
self.ax1.set_ylim(self.ymin, self.ymax)
self.waveline1.set_data([float(self.wavelength1), float(self.wavelength1)], [self.ymin, self.ymax])
self.waveline2.set_data([float(self.wavelength2), float(self.wavelength2)], [self.ymin, self.ymax])
self.waveline3.set_data([float(self.wavelength3), float(self.wavelength3)], [self.ymin, self.ymax])
self.canvas.draw() # guarantees that axes redraw too
def FullscaleY(self, event):
self.ymin = -10
self.ymax = self.max_intensity
self.ax1.set_ylim(self.ymin, self.ymax)
self.waveline1.set_data([float(self.wavelength1), float(self.wavelength1)], [self.ymin, self.ymax])
self.waveline2.set_data([float(self.wavelength2), float(self.wavelength2)], [self.ymin, self.ymax])
self.waveline3.set_data([float(self.wavelength3), float(self.wavelength3)], [self.ymin, self.ymax])
self.canvas.draw() # guarantees that axes redraw too
def DisplayMode(self, event):
if self.DisplayCode == 1: # handles change to time series (time series is code 0)
self.DisplayCode = 0
self.button_DisplayMode.configure(text='Time Series')
self.ax1.set_ylim(self.ymin*0.8, self.ymax*2) # generous upper limit for signals
self.ax1.set_xlim(-1, self.timelimit*1.05) #testing limits
self.ax1.set_xlabel('Time (s)')
self.ax1.grid(True, color='1', ls='solid') # places negative space grid on spectrum display
self.canvas.draw()
# DisplayCode is also in the 'def update_graph()'
else:
self.DisplayCode = 1 # handles change to spectrum
self.button_DisplayMode.configure(text='Spectrum')
self.ax1.set_ylim(self.ymin*0.8, self.ymax*1.1)
self.ax1.set_xlim(self.xmin, self.xmax) # max and min wavelengths from reported (self.xmin, self.xmax)
self.ax1.set_xlabel('Wavelength (nm)')
self.ax1.grid(True, color='0.3', ls='dotted') # places dark grid on spectrum display
self.canvas.draw()
def Xscale_change(self, event): #always do both xmin and xmax on change of either
xmintemp = self.xminentry.get()
xmaxtemp = self.xmaxentry.get()
try:
float(xmintemp)
xmintemp = float(self.xminentry.get())
float(xmaxtemp)
xmaxtemp = float(self.xmaxentry.get())
if (xmintemp < self.xmax) and (xmaxtemp > self.xmin) and (xmintemp >= self.xminlimit) and (xmaxtemp <= self.xmaxlimit):
self.xmin = xmintemp
self.xminentry.delete(0, 'end')
self.xminentry.insert(0, self.xmin) #set text in xmin box
self.xmax = xmaxtemp
self.xmaxentry.delete(0, 'end')
self.xmaxentry.insert(0, self.xmax) #set text in xmax box
self.ax1.set_xlim(self.xmin, self.xmax) # set the new value on plot area
self.canvas.draw()
else:
msg = "Minimum wavelength must be greater than " + str(self.xmin) + "nm and maximum smaller than " + str(self.xmax) + "nm. Also, max greater than min. You entered: min = " + str(xmintemp) + " nm and max = " + str(xmaxtemp) + " nm."
self.xminentry.delete(0, 'end')
self.xminentry.insert(0, self.xmin) #reset original xmin in box
self.xmaxentry.delete(0, 'end')
self.xmaxentry.insert(0, self.xmax) #reset original xmax in box
messagebox.showerror("Entry error", msg)
except:
self.xminentry.delete(0, 'end')
self.xminentry.insert(0, self.xmin) #reset original xmin in box
self.xmaxentry.delete(0, 'end')
self.xmaxentry.insert(0, self.xmax) #reset original xmax in box
def FullscaleX(self, event):
self.xmin = self.xminlimit # get wavelength limit from instrument data
self.xminentry.delete(0, 'end')
self.xminentry.insert(0, self.xmin) #set text in xmin box
self.xmax = self.xmaxlimit
self.xmaxentry.delete(0, 'end')
self.xmaxentry.insert(0, self.xmax) #set text in xmax box
self.ax1.set_xlim(self.xmin, self.xmax)
self.canvas.draw()
def IntegrationTime(self, event):
#typically OO spectrometers can't read faster than 4 ms
#and we don't want integration times too long on accident
IntTimeTemp = self.integrationentry.get()
if IntTimeTemp.isdigit() == True:
if int(IntTimeTemp) > 5000: # maxIntTime may be up to 60 seconds depending on spectrometer model
msg = "The integration time must be 5000 ms or smaller. You set " +(IntTimeTemp)
self.integrationentry.delete(0, "end")
self.integrationentry.insert(0, int(self.IntTime / 1000))
messagebox.showerror("Entry error", msg)
elif int(IntTimeTemp) < 4: # minIntTime may be for shutter mode and much smaller free-running mode limits
msg = "The integration time must be greater than 4 ms. You set " +(IntTimeTemp)
self.integrationentry.delete(0, "end")
self.integrationentry.insert(0, int(self.IntTime / 1000))
messagebox.showerror("Entry error", msg)
else:
self.IntTime = int(IntTimeTemp) * 1000 #convert ms to microseconds
spec.integration_time_micros(self.IntTime) #send IntTime to spectrograph
self.integrationentry.delete(0, "end")
self.integrationentry.insert(0, int(self.IntTime / 1000)) #write in ms, but IntTime is in microseconds
else:
msg = "Integration time must be an integer between 4 and 5000 ms. You set " +str(IntTimeTemp)
self.integrationentry.delete(0, "end")
self.integrationentry.insert(0, int(self.IntTime / 1000))
messagebox.showerror("Entry error", msg)
self.canvas.draw()
def TimeLimit_change(self, event):
timelimittemp = self.timelimitentry.get()
try:
int(timelimittemp)
timelimittemp = int(self.timelimitentry.get())
if timelimittemp > 0 and timelimittemp < 300: # arbitrary upper limit of 5 minutes (can be changed)
self.timelimit = timelimittemp
self.timelimitentry.delete(0, 'end')
self.timelimitentry.insert(0, self.timelimit) # set new text in time limit box
else:
self.timelimitentry.delete(0, 'end')
self.timelimitentry.insert(0, self.timelimit) # reset original time limit to box
except: #non numerical entry handler
self.timelimitentry.delete(0, 'end')
self.timelimitentry.insert(0, self.timelimit) # reset original time limit to box
if self.DisplayCode == 0:
self.ax1.set_xlim(-1, self.timelimit*1.05)
self.canvas.draw()
def PS_go(self, event): # runs power supply and starts time-based data collection in one click
gc.collect()
self.DisplayCode = 1 # simulates button press to go to time series mode
self.DisplayMode(event)
self.btn.config(text='Running')
GO_string = "R " + self.PS_slot.get() # sends 'R' as in Run and the slot number formatted for MasTech powersupply
self.PStext.insert(tk.END, "sent: ")
self.PStext.insert(tk.END, GO_string)
self.PStext.insert(tk.END, "\n")
#send serial command to start power supply
if(ser.isOpen() == False):
ser.open()
ser.write(str.encode(GO_string)) # will not read the PS serial output during the sequence
ser.write(bytes("\r",'utf-8')) # required carriage return for the UART on Cypress PSoC
ser.flush() # flush serial buffer to avoid stray commands
ser.close() # really not reading serial during data recording
return self.update_graph() #start recording data
def readSerial(self):
if(ser.isOpen() == False): # check if serial port is open
ser.open()
if ser.inWaiting() > 0: # check if bytes are waiting in buffer
data_str = ser.read(ser.inWaiting()).decode('ascii')
self.PStext.insert(tk.END, data_str) # insert received data in textbox
self.PStext.insert(tk.END, "\n")
self.PStext.see(tk.END)
time.sleep(0.01) # tiny pause in case other processes need run
#ser.close() # leave open or communication gets lost, only 'close' is in the PS_go() def
def writeSerial(self, event):
if(ser.isOpen() == False): # check if serial port is open
ser.open()
self.PStext.insert(tk.END, "sent: ") # echos sent data
self.PStext.insert(tk.END, self.PSentry.get())
self.PStext.insert(tk.END, "\n")
datatosend = self.PSentry.get() # get text string from entry box
self.PSentry.delete(0, 'end') # clear entry box
ser.write(bytes(datatosend,'utf-8')) # write to serial as bytes
ser.write(bytes("\r",'utf-8')) #required carriage return for the UART on Cypress PSoC
ser.flush() # avoids accidental stray instructions
self.readSerial()
def PS_EmergencyStop(self, event):
if(ser.isOpen() == False): # check if serial port is open
ser.open()
self.PStext.insert(tk.END, "sent: ESC \n") # echos ESC sent
ser.write(bytes('\x1b','utf-8')) # write to serial as bytes (\x1b is ESC)
ser.flush() # avoids accidental stray instructions
self.readSerial()
class BlitManager:
def __init__(self, canvas, animated_artists=()):
"""
Parameters
----------
canvas : FigureCanvasAgg
The canvas to work with, this only works for sub-classes of the Agg
canvas which have the `~FigureCanvasAgg.copy_from_bbox` and
`~FigureCanvasAgg.restore_region` methods.
animated_artists : Iterable[Artist]
List of the artists to manage
"""
self.canvas = canvas
self._bg = None
self._artists = []
for a in animated_artists:
self.add_artist(a)
# grab the background on every draw
self.cid = canvas.mpl_connect("draw_event", self.on_draw)
def on_draw(self, event):
"""Callback to register with 'draw_event'."""
cv = self.canvas
if event is not None:
if event.canvas != cv:
raise RuntimeError
self._bg = cv.copy_from_bbox(cv.figure.bbox)
self._draw_animated()
def add_artist(self, art):
"""
Add an artist to be managed.
Parameters
----------
art : Artist
The artist to be added. Will be set to 'animated' (just
to be safe). *art* must be in the figure associated with
the canvas this class is managing.
"""
if art.figure != self.canvas.figure:
raise RuntimeError
art.set_animated(True)
self._artists.append(art)
def _draw_animated(self):
"""Draw all of the animated artists."""
fig = self.canvas.figure
for a in self._artists:
fig.draw_artist(a)
def update(self):
"""Update the screen with animated artists."""
cv = self.canvas
fig = cv.figure
# paranoia in case we missed the draw event,
#...let's try removing the paranoia??
# if self._bg is None:
# self.on_draw(None)
# else:
# restore the background
cv.restore_region(self._bg)
# draw all of the animated artists
self._draw_animated()
# update the GUI state
cv.blit(fig.bbox)
# let the GUI event loop process anything it has to do
cv.flush_events()
def saveFile(data_time, data_line, data_bkg, data_base, linewave, bkgwave, basewave):
filenameforWriting = asksaveasfilename(defaultextension=".txt", filetypes=[("Text files", "*.txt"),("All files", "*.*")])
if not filenameforWriting:
pass #exits on Cancel
else:
path_ext = os.path.splitext(filenameforWriting)
linefile = str(path_ext[0] + "line" + path_ext[1])
bkgfile = str(path_ext[0] + "bkg" + path_ext[1])
basefile = str(path_ext[0] + "base" + path_ext[1])
specmodel = spec.model
lineheader = "# Spectrometer = " + specmodel + "\n# Wavelength (nm) = " + linewave + "\n# Analytical Line data \n# Time (s), Count"
bkgheader = "# Spectrometer = " + specmodel + "\n# Wavelength (nm) = " + bkgwave + "\n# Background data \n# Time (s), Count"
baseheader = "# Spectrometer = " + specmodel + "\n# Wavelength (nm) = " + basewave + "\n# Baseline data \n# Time (s), Count"
np.savetxt(linefile, np.transpose([data_time, data_line]), delimiter=',', newline='\n', header=lineheader, comments='')
np.savetxt(bkgfile, np.transpose([data_time, data_bkg]), delimiter=',', newline='\n', header=bkgheader, comments='')
np.savetxt(basefile, np.transpose([data_time, data_base]), delimiter=',', newline='\n', header=baseheader, comments='')
def processData():
pass
# processing is in a separate program file
# we could call that module with a button here but separating data collection
# from processing is a reasonable separation
def main():
root = tk.Tk()
root.wm_title("Tungsten ETA Data Collection")
app = App(root)
app.pack()
root.mainloop()
if __name__ == '__main__':
main()