def __init__(self, application):
self.app = application
#signal that experiment is running
self.experiment_mode = False
self.app.print_comment("Starting GUI interface:")
self.app.print_comment("please wait while the application loads...")
#build the GUI interface as a seperate window
win = tk.Tk()
Pmw.initialise(win) #initialize Python MegaWidgets
win.withdraw()
win.wm_title(WINDOW_TITLE)
win.focus_set() #put focus on this new window
self.win = win
#handle the user hitting the 'X' button
self.win.protocol("WM_DELETE_WINDOW", self._close)
#FIXME bind some debugging keystrokes to the window
#self.win.bind('<Control-f>', lambda e: self.app.force_experiment())
#build the left panel
left_panel = tk.Frame(win)
#capture controls
tk.Label(left_panel, text="Capture Controls:", font = "Helvetica 14 bold").pack(side='top',fill='x', anchor="nw")
self.change_settings_button = tk.Button(left_panel,text='Change Settings',command = self.change_settings)
self.change_settings_button.pack(side='top',fill='x', anchor="sw")
self.run_continually_button = tk.Button(left_panel,text='Run Continually',command = self.run_continually)
self.run_continually_button.pack(side='top',fill='x', anchor="nw")
self.stop_button = tk.Button(left_panel,text='Stop',command = self.stop, state='disabled')
self.stop_button.pack(side='top',fill='x', anchor="nw")
self.run_once_button = tk.Button(left_panel,text='Run Once',command = self.run_once)
self.run_once_button.pack(side='top',fill='x', anchor="nw")
self.export_data_button = tk.Button(left_panel,text='Export Data',command = self.export_data, state='disabled')
self.export_data_button.pack(side='bottom',anchor="sw")
left_panel.pack(fill='y',expand='no',side='left', padx = 10)
#create an tk embedded figure for temperature display
mid_panel = tk.Frame(win)
self.temperature_plot_template = TemperaturePlot()
self.temperature_figure_widget = EmbeddedFigure(mid_panel, figsize=TEMPERATURE_FIGSIZE)
self.temperature_figure_widget.pack(side='left',fill='both', expand='yes')
mid_panel.pack(fill='both', expand='yes',side='left')
#build the right panel
right_panel = tk.Frame(win)
self.text_display = TextDisplayBox(right_panel,text_height=15, buffer_size = TEXT_BUFFER_SIZE)
self.text_display.pack(side='left',fill='both',expand='yes')
right_panel.pack(fill='both', expand='yes',side='right')
#build the confirmation dialog
self.settings_dialog = SettingsDialog(self.win)
self.settings_dialog.withdraw()
self._load_settings()
#run modes
self._is_running = False
class GUI(GUIBase):
def build_window(self):
GUIBase.build_window(self)
#now size the window and center it
sw = self._win.winfo_screenwidth()
sh = self._win.winfo_screenheight()
w = sw*WINDOW_TO_SCREENWIDTH_RATIO
h = sh*WINDOW_TO_SCREENHEIGHT_RATIO
x = (sw - w)/2
y = (sh - h)/2
self._win.geometry("%dx%d+%d+%d" % (w,h,x,y))
self._cv_plot_Xs = []
self._cv_plot_Ys = []
self._cv_plot_labels = []
self._vsweep_mode = None
self._vsweep_stop = False
def build_widgets(self):
#FIXME bind some debugging keystrokes to the window
#self._win.bind('<Control-f>', lambda e: self._app.)
#-----------------------------------------------------------------------
#build the left panel
left_panel = tk.Frame(self._win)
#voltage sweep controls
tk.Label(left_panel, text="Voltage Sweep Controls:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
self.vsweep_settings_button = tk.Button(left_panel,
text = 'Change Settings',
command = self.change_vsweep_settings,
width = BUTTON_WIDTH)
self.vsweep_settings_button.pack(side='top', anchor="sw")
self.vsweep_once_button = tk.Button(left_panel,
text = 'Run Once',
command = lambda: self.do_vsweep(mode = 'once'),
width = BUTTON_WIDTH)
self.vsweep_once_button.pack(side='top', anchor="nw")
self.vsweep_continually_button = tk.Button(left_panel,
text = 'Run Continually',
command = lambda: self.do_vsweep(mode = 'continual'),
width = BUTTON_WIDTH)
self.vsweep_continually_button.pack(side='top', anchor="nw")
self.vsweep_stop_button = tk.Button(left_panel,
text = 'Stop',
command = self.vsweep_stop,
state = 'disabled',
width = BUTTON_WIDTH)
self.vsweep_stop_button.pack(side='top', anchor="nw")
#build the capture settings dialog
self.vsweep_settings_dialog = VoltageSweepSettingsDialog(self._win)
self.vsweep_settings_dialog.withdraw()
#finish the left panel
left_panel.pack(fill='y',expand='no',side='left', padx = 10)
#-----------------------------------------------------------------------
#build the middle panel - a tabbed notebook
mid_panel = tk.Frame(self._win)
#mid_panel.pack(fill='both', expand='yes',side='left')
nb = ttk.Notebook(mid_panel)
nb.pack(fill='both', expand='yes',side='right')
tab1 = tk.Frame(nb)
tab1.pack(fill='both', expand='yes',side='right')
nb.add(tab1, text = "Current vs. Voltage")
#create an tk embedded figure for the current vs. voltage display
self.cv_plot_template = CurrentVoltagePlot()
self.cv_plot_template.configure(title = CV_PLOT_TITLE)
self.cv_plot_figure_widget = EmbeddedFigure(tab1, figsize = CV_PLOT_FIGSIZE)
self.cv_plot_figure_widget.pack(side='top',fill='both', expand='yes')
self._update_cv_plot() #make an empty plot
self.replot_cv_button = tk.Button(tab1,text='Replot',command = self.replot_cv, state='normal', width = BUTTON_WIDTH)
self.replot_cv_button.pack(side='left',anchor="sw")
self.clear_cv_button = tk.Button(tab1,text='Clear',command = self.clear_data, state='normal', width = BUTTON_WIDTH)
self.clear_cv_button.pack(side='left',anchor="sw")
self.export_data_button = tk.Button(tab1,
text ='Export Data',
command = self.export_data,
state = 'disabled',
width = BUTTON_WIDTH)
self.export_data_button.pack(side='left',anchor="sw")
#finish builing the middle pannel
mid_panel.pack(fill='both', expand='yes',side='left')
#-----------------------------------------------------------------------
#build the right panel
right_panel = tk.Frame(self._win)
#Status variable display
#tk.Label(right_panel, pady = SECTION_PADY).pack(side='top',fill='x', anchor="nw")
#tk.Label(right_panel, text="Status:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
#self.condition_fields = ConditionFields(right_panel)
#self.condition_fields.pack(side='top', anchor="w", expand='no')
# Events text display
tk.Label(right_panel, pady = SECTION_PADY).pack(side='top',fill='x', anchor="nw")
tk.Label(right_panel, text="Events Monitoring:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
self.text_display = TextDisplayBox(right_panel,
text_width = TEXTBOX_WIDTH,
buffer_size = TEXTBOX_BUFFER_SIZE,
)
self.text_display.pack(side='top',fill='both',expand='yes')
#finish building the right panel
right_panel.pack(fill='both', expand='yes',side='right', padx = 10)
def close(self):
self.cache_settings()
GUIBase.close(self)
def load_settings(self):
if os.path.exists(SETTINGS_FILEPATH):
self._app.print_comment("loading from settings file '%s'" % SETTINGS_FILEPATH)
settings = shelve.open(SETTINGS_FILEPATH)
self.vsweep_settings_dialog.form['v_start'] = settings.get('v_start', 0.0)
self.vsweep_settings_dialog.form['v_end'] = settings.get('v_end', 1.5)
self.vsweep_settings_dialog.form['v_rate'] = settings.get('v_rate', 0.25)
self.vsweep_settings_dialog.form['samp_rate'] = settings.get('samp_rate', 10.0)
self.vsweep_settings_dialog.form['cycles'] = settings.get('cycles', 1)
self.vsweep_settings_dialog.current_range_level_var.set(settings.get('current_range_level', 0))
settings.close()
else:
self._app.print_comment("failed to find settings file '%s'" % SETTINGS_FILEPATH)
def cache_settings(self):
self._app.print_comment("caching to settings file '%s'" % SETTINGS_FILEPATH)
settings = shelve.open(SETTINGS_FILEPATH)
settings['v_start'] = self.vsweep_settings_dialog.form['v_start']
settings['v_end'] = self.vsweep_settings_dialog.form['v_end']
settings['v_rate'] = self.vsweep_settings_dialog.form['v_rate']
settings['samp_rate'] = self.vsweep_settings_dialog.form['samp_rate']
settings['cycles'] = self.vsweep_settings_dialog.form['cycles']
settings['current_range_level'] = self.vsweep_settings_dialog.current_range_level_var.get()
settings.close()
def busy(self):
self.disable_control_buttons()
self._win.config(cursor="watch")
def not_busy(self):
self.enable_control_buttons()
self._win.config(cursor="")
def print_to_text_display(self, text, eol='\n'):
try:
self.text_display.print_text(text, eol=eol)
except AttributeError: #ignore missing text display widget
pass
def print_event(self, event, info = {}):
buff = ["%s:" % event]
for key,val in info.items():
buff.append("%s: %s" % (key,val))
buff = "\n".join(buff)
self.print_to_text_display(buff)
def disable_control_buttons(self):
self.vsweep_settings_button.configure(state="disabled")
self.vsweep_continually_button.configure(state="disabled")
#self.capture_stop_button.configure(state="disabled")
self.vsweep_once_button.configure(state="disabled")
def enable_control_buttons(self):
self.vsweep_settings_button.configure(state="normal")
self.vsweep_continually_button.configure(state="normal")
#self.vsweep_stop_button.configure(state="normal")
self.vsweep_once_button.configure(state="normal")
def change_vsweep_settings(self):
choice = self.vsweep_settings_dialog.activate()
if choice == "OK":
self._app.print_comment("changing voltage sweep settings...")
def do_vsweep(self, mode = 'once'):
self._vsweep_mode = mode
#disable all the control buttons, except the stop button
self.disable_control_buttons()
self.vsweep_stop_button.config(state='normal')
if mode == 'once':
self.vsweep_once_button.config(bg='green', relief='sunken')
elif mode == 'continual':
self.vsweep_continually_button.config(state='disabled', bg='green', relief="sunken")
#get parameters
v_start = float(self.vsweep_settings_dialog.form['v_start'])
v_end = float(self.vsweep_settings_dialog.form['v_end'])
v_rate = float(self.vsweep_settings_dialog.form['v_rate'])
samp_rate = float(self.vsweep_settings_dialog.form['samp_rate'])
cycles = int(self.vsweep_settings_dialog.form['cycles'])
current_range_level = self.vsweep_settings_dialog.current_range_level_var.get()
current_range_level, _ = current_range_level.split(",")
current_range_level = int(current_range_level)
self._app.print_comment("Running a voltage sweep:")
self._app.print_comment(" v_start: %0.2f" % (v_start,))
self._app.print_comment(" v_end: %0.2f" % (v_end,))
self._app.print_comment(" v_rate: %0.2f" % (v_rate,))
self._app.print_comment(" samp_rate: %0.2f" % (samp_rate,))
self._app.print_comment(" cycles: %0.2f" % (cycles,))
#start the voltage sweep, SHOULD NOT BLOCK!
self._app.start_voltage_sweep(v_start = v_start,
v_end = v_end,
v_rate = v_rate,
samp_rate = samp_rate,
cycles = cycles,
current_range_level = current_range_level,
)
self._win.after(LOOP_DELAY, self._wait_on_vsweep_loop)
def _wait_on_vsweep_loop(self):
voltage_sweep = self._app._load_controller('voltage_sweep')
#read out all pending events
while not voltage_sweep.event_queue.empty():
event, info = voltage_sweep.event_queue.get()
self.print_event(event,info)
if event == "VOLTAGE_SWEEP_SAMPLE":
self._app._append_vsweep_data_record(info['control_voltage'],
info['WEtoRE_voltage'],
info['WE_current'],
)
#use new data to update the plot
V1 = self._app._vsweep_dataset['control_voltage']
V2 = self._app._vsweep_dataset['WEtoRE_voltage']
I = self._app._vsweep_dataset['WE_current']
self._update_cv_plot(X_now = V2, Y_now = I)
if voltage_sweep.thread_isAlive():
#reschedule loop
self._vsweep_after_id = self._win.after(VSWEEP_LOOP_DELAY,self._wait_on_vsweep_loop)
else: #cycle is finished
#cache the data for the plot
V1 = self._app._vsweep_dataset['control_voltage']
V2 = self._app._vsweep_dataset['WEtoRE_voltage']
I = self._app._vsweep_dataset['WE_current']
self._cv_plot_Xs.append(V2)
self._cv_plot_Ys.append(I)
new_label = "Trial %d" % (len(self._cv_plot_labels) + 1,)
self._cv_plot_labels.append(new_label)
self.replot_cv()
#finish up
#self.not_busy()
#re-enable all the buttons, except the stop button
self.enable_control_buttons()
self.export_data_button.config(state='normal')
self._app.print_comment("voltage sweep completed")
#self.export_data_button.config(state='normal') #data can now be exported
if self._vsweep_mode == 'once':
self.vsweep_once_button.config(bg='light gray', relief='raised')
self.vsweep_stop_button.config(state='disabled')
self._vsweep_stop = False
elif self._vsweep_mode == 'continual':
if self._vsweep_stop:
self._vsweep_stop = False
self._vsweep_mode = None
self.vsweep_continually_button.config(bg='light gray', relief='raised')
voltage_sweep.reset()
else:
#reschedule another voltage sweep
self.do_vsweep(mode = 'continual')
def vsweep_stop(self):
self.vsweep_stop_button.config(state='disabled')
voltage_sweep = self._app._load_controller('voltage_sweep')
self._vsweep_stop = True
#force it to stop right now instead of finishing sleep
voltage_sweep.abort()
# if not self._vsweep_after_id is None:
# #cancel the next scheduled loop time
# self._win.after_cancel(self._vsweep_after_id)
# #then enter the loop one more time to clean up
# self._wait_on_vsweep_loop()
def replot_cv(self):
voltage_sweep = self._app._load_controller('voltage_sweep')
figure = self.cv_plot_figure_widget.get_figure()
figure.clear()
self.cv_plot_template._has_been_plotted = False
#check to see if the current trial is still running
if voltage_sweep.thread_isAlive():
#if so pass in the current trial data
V1 = self._app._vsweep_dataset['control_voltage']
V2 = self._app._vsweep_dataset['WEtoRE_voltage']
I = self._app._vsweep_dataset['WE_current']
self._update_cv_plot(X_now = V2, Y_now = I)
else:
#otherwise just the completed data sets (i.e., avoid redundancy of last set)
self._update_cv_plot()
def export_data(self):
self._app.print_comment("Exporting data...")
dt_now = datetime.datetime.utcnow()
dt_now_str = dt_now.strftime("%Y-%m-%d")
#get some metadata for title
v_start = float(self._app._vsweep_dataset.get_metadata('v_start'))
v_end = float(self._app._vsweep_dataset.get_metadata('v_end'))
v_rate = float(self._app._vsweep_dataset.get_metadata('v_rate'))
default_filename = "%s_vsweep_%0.2f_to_%0.2fV_by_%0.2fVps.csv" % (dt_now_str,v_start,v_end,v_rate)
fdlg = SaveFileDialog(self._win,title="Save Voltage Sweep Data")
userdata_path = self._app._config['paths']['data_dir']
filename = fdlg.go(dir_or_file = userdata_path,
pattern = "*.csv",
default = default_filename,
key = None,
)
if filename:
self._app.export_data(filename)
self._app.print_comment("finished")
def clear_data(self):
self._cv_plot_Xs = []
self._cv_plot_Ys = []
self._cv_plot_labels = []
self.replot_cv()
def _update_cv_plot(self, X_now = None, Y_now = None):
figure = self.cv_plot_figure_widget.get_figure()
plot_template = self.cv_plot_template
#decide whether to plot the data (again) or update a current plot
do_plot = False
if not plot_template.has_been_plotted():
do_plot = True
else:
#check if the plot has moved out of the boundaries
ax1 = figure.axes[0]
xlim = ax1.get_xlim()
ylim = ax1.get_ylim()
if not xlim[0] <= X_now[-1] <= xlim[1]:
do_plot = True
if not ylim[0] <= Y_now[-1] <= ylim[1]:
do_plot = True
#do the update
if do_plot:
self._app.print_comment("Plotting the Current vs. Voltage.")
Xs = self._cv_plot_Xs[:] #make copy to not mutate!
if not X_now is None:
Xs.append(X_now)
else:
Xs.append([])
Ys = self._cv_plot_Ys[:] #make copy to not mutate!
if not Y_now is None:
Ys.append(Y_now)
else:
Ys.append([])
#styles = CV_PLOT_STYLES
labels = self._cv_plot_labels + ['Current Trial']
plot_template.plot(Xs, Ys,
#styles = styles,
labels = labels,
figure = figure
)
self.cv_plot_figure_widget.update()
else:
self._app.print_comment("Updating Current vs. Voltage plot.")
#get the plot line from the figure FIXME is there an easier way?
axis = figure.axes[0]
last_line = axis.lines[-1]
if not X_now is None:
last_line.set_xdata(X_now)
if not Y_now is None:
last_line.set_ydata(Y_now)
self.cv_plot_figure_widget.update()
def build_widgets(self):
#FIXME bind some debugging keystrokes to the window
#self._win.bind('<Control-f>', lambda e: self._app.)
#-----------------------------------------------------------------------
#build the left panel
left_panel = tk.Frame(self._win)
#voltage sweep controls
tk.Label(left_panel, text="Voltage Sweep Controls:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
self.vsweep_settings_button = tk.Button(left_panel,
text = 'Change Settings',
command = self.change_vsweep_settings,
width = BUTTON_WIDTH)
self.vsweep_settings_button.pack(side='top', anchor="sw")
self.vsweep_once_button = tk.Button(left_panel,
text = 'Run Once',
command = lambda: self.do_vsweep(mode = 'once'),
width = BUTTON_WIDTH)
self.vsweep_once_button.pack(side='top', anchor="nw")
self.vsweep_continually_button = tk.Button(left_panel,
text = 'Run Continually',
command = lambda: self.do_vsweep(mode = 'continual'),
width = BUTTON_WIDTH)
self.vsweep_continually_button.pack(side='top', anchor="nw")
self.vsweep_stop_button = tk.Button(left_panel,
text = 'Stop',
command = self.vsweep_stop,
state = 'disabled',
width = BUTTON_WIDTH)
self.vsweep_stop_button.pack(side='top', anchor="nw")
#build the capture settings dialog
self.vsweep_settings_dialog = VoltageSweepSettingsDialog(self._win)
self.vsweep_settings_dialog.withdraw()
#finish the left panel
left_panel.pack(fill='y',expand='no',side='left', padx = 10)
#-----------------------------------------------------------------------
#build the middle panel - a tabbed notebook
mid_panel = tk.Frame(self._win)
#mid_panel.pack(fill='both', expand='yes',side='left')
nb = ttk.Notebook(mid_panel)
nb.pack(fill='both', expand='yes',side='right')
tab1 = tk.Frame(nb)
tab1.pack(fill='both', expand='yes',side='right')
nb.add(tab1, text = "Current vs. Voltage")
#create an tk embedded figure for the current vs. voltage display
self.cv_plot_template = CurrentVoltagePlot()
self.cv_plot_template.configure(title = CV_PLOT_TITLE)
self.cv_plot_figure_widget = EmbeddedFigure(tab1, figsize = CV_PLOT_FIGSIZE)
self.cv_plot_figure_widget.pack(side='top',fill='both', expand='yes')
self._update_cv_plot() #make an empty plot
self.replot_cv_button = tk.Button(tab1,text='Replot',command = self.replot_cv, state='normal', width = BUTTON_WIDTH)
self.replot_cv_button.pack(side='left',anchor="sw")
self.clear_cv_button = tk.Button(tab1,text='Clear',command = self.clear_data, state='normal', width = BUTTON_WIDTH)
self.clear_cv_button.pack(side='left',anchor="sw")
self.export_data_button = tk.Button(tab1,
text ='Export Data',
command = self.export_data,
state = 'disabled',
width = BUTTON_WIDTH)
self.export_data_button.pack(side='left',anchor="sw")
#finish builing the middle pannel
mid_panel.pack(fill='both', expand='yes',side='left')
#-----------------------------------------------------------------------
#build the right panel
right_panel = tk.Frame(self._win)
#Status variable display
#tk.Label(right_panel, pady = SECTION_PADY).pack(side='top',fill='x', anchor="nw")
#tk.Label(right_panel, text="Status:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
#self.condition_fields = ConditionFields(right_panel)
#self.condition_fields.pack(side='top', anchor="w", expand='no')
# Events text display
tk.Label(right_panel, pady = SECTION_PADY).pack(side='top',fill='x', anchor="nw")
tk.Label(right_panel, text="Events Monitoring:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
self.text_display = TextDisplayBox(right_panel,
text_width = TEXTBOX_WIDTH,
buffer_size = TEXTBOX_BUFFER_SIZE,
)
self.text_display.pack(side='top',fill='both',expand='yes')
#finish building the right panel
right_panel.pack(fill='both', expand='yes',side='right', padx = 10)
def __init__(self, parent):
Frame.__init__(self, parent)
self.figure_widget = EmbeddedFigure(self, figsize=FIGSIZE)
self.setup()
class DataPlotter(Frame):
def __init__(self, parent):
Frame.__init__(self, parent)
self.figure_widget = EmbeddedFigure(self, figsize=FIGSIZE)
self.setup()
def pack(self, **kwargs):
self.figure_widget.pack(side='right',fill='both', expand='yes')
Frame.pack(self,**kwargs)
def setup(self):
figure = self.figure_widget.get_figure()
figure.clear()
self.suptitle = figure.suptitle(DEFAULT_SUPTITLE)
#temperature plot
self.plot_ax1 = ax1 = figure.add_subplot(311)
self.plot_line0, = ax1.plot([],[],'r-', label="measurementA")
self.plot_line1, = ax1.plot([],[],'b-', label="measurementB")
self.plot_line2, = ax1.plot([],[],'m-', label="measurementC")
ax1.set_ylabel("Temperature ($^{\circ}$C)", fontproperties=LABEL_FONT_PROP)
#setpoint plot
self.plot_line3, = ax1.plot([],[],'r--', label="setpointA")
self.plot_line4, = ax1.plot([],[],'b--', label="setpointB")
#finish formatting the first axes
ax1.set_xlim(0, 1)
ax1.set_ylim(0, 30)
ax1.get_xaxis().set_ticklabels([])
ax1.tick_params(axis='both', which='major', labelsize=LABEL_FONT_SIZE)
ax1.tick_params(axis='both', which='minor', labelsize=LABEL_FONT_SIZE-2)
#PID output
self.plot_ax2 = ax2 = figure.add_subplot(312)
self.plot_line5, = ax2.plot([],[],'r-', label="Chan A")
self.plot_line6, = ax2.plot([],[],'b-', label="Chan B")
ax2.set_ylabel("PID Output (duty cycle)", fontproperties=LABEL_FONT_PROP)
#finish formatting the second axes
ax2.set_xlim(0, 1)
ax2.set_ylim(-1.1, 1.1)
ax2.get_xaxis().set_ticklabels([])
ax2.tick_params(axis='both', which='major', labelsize=LABEL_FONT_SIZE)
ax2.tick_params(axis='both', which='minor', labelsize=LABEL_FONT_SIZE-2)
#Voltage
self.plot_ax3 = ax3 = figure.add_subplot(313)
self.plot_line7, = ax3.plot([],[],'c-')
#finish formatting the third axes
#ax3.set_xlabel("Time (seconds)", fontproperties=LABEL_FONT_PROP)
ax3.set_ylabel("Voltage", fontproperties=LABEL_FONT_PROP)
ax3.set_xlim(0, 1)
ax3.set_ylim(-0.5, 0.5)
ax3.tick_params(axis='both', which='major', labelsize=LABEL_FONT_SIZE)
ax3.tick_params(axis='both', which='minor', labelsize=LABEL_FONT_SIZE-2)
self.figure_widget.update()
def update(self, data):
t = array(data['timestamp'])
if len(t) == 0: #skip update for empty data
return
t -= t[0]
#Temperature Plot
#line 0
y0 = array(data['temperatureA_measured'])
self.plot_line0.set_xdata(t)
self.plot_line0.set_ydata(y0)
#line 1
y1 = array(data['temperatureB_measured'])
self.plot_line1.set_xdata(t)
self.plot_line1.set_ydata(y1)
#line 2
y2 = array(data['temperatureC_measured'])
self.plot_line2.set_xdata(t)
self.plot_line2.set_ydata(y2)
#line 3
y3 = array(data['temperatureA_target'])
self.plot_line3.set_xdata(t)
self.plot_line3.set_ydata(y3)
#line 4
y4 = array(data['temperatureB_target'])
self.plot_line4.set_xdata(t)
self.plot_line4.set_ydata(y4)
#adjust the plot window
y_min = min(y0.min(),y1.min(),y2.min(), y3.min(), y4.min())
y_max = max(y0.max(),y1.max(),y2.max(), y3.max(), y4.max())
self.plot_ax1.set_ylim(y_min*0.9, y_max*1.1,)
self.plot_ax1.set_xlim(0,t[-1]*1.1)
self.plot_ax1.legend(loc="upper left", prop = LEGEND_FONT_PROP)
#PID output plot
y5 = array(data['chanA_output'])
self.plot_line5.set_xdata(t)
self.plot_line5.set_ydata(y5)
y6 = array(data['chanB_output'])
self.plot_line6.set_xdata(t)
self.plot_line6.set_ydata(y6)
self.plot_ax2.set_xlim(0, t[-1]*1.1)
self.plot_ax2.legend(loc="upper left", prop = LEGEND_FONT_PROP)
#obtain voltage
y7 = array(data['voltage'])
self.plot_line7.set_xdata(t)
self.plot_line7.set_ydata(y7)
y_min = y7.min()
y_max = y7.max()
if y_min < 0:
y_min *= 1.1
else:
y_min *= 0.9
if y_max > 0:
y_max *= 1.1
else:
y_max *= 0.9
self.plot_ax3.set_ylim(y_min, y_max,)
self.plot_ax3.set_xlim(0, t[-1]*1.1)
#done
self.figure_widget.update()
def change_title(self, new_title):
figure = self.figure_widget.get_figure()
figure.texts.remove(self.suptitle)
self.suptitle = figure.suptitle(new_title)
self.figure_widget.update()
class GUI:
def __init__(self, application):
self.app = application
#signal that experiment is running
self.experiment_mode = False
self.app.print_comment("Starting GUI interface:")
self.app.print_comment("please wait while the application loads...")
#build the GUI interface as a seperate window
win = tk.Tk()
Pmw.initialise(win) #initialize Python MegaWidgets
win.withdraw()
win.wm_title(WINDOW_TITLE)
win.focus_set() #put focus on this new window
self.win = win
#handle the user hitting the 'X' button
self.win.protocol("WM_DELETE_WINDOW", self._close)
#FIXME bind some debugging keystrokes to the window
#self.win.bind('<Control-f>', lambda e: self.app.force_experiment())
#build the left panel
left_panel = tk.Frame(win)
#capture controls
tk.Label(left_panel, text="Capture Controls:", font = "Helvetica 14 bold").pack(side='top',fill='x', anchor="nw")
self.change_settings_button = tk.Button(left_panel,text='Change Settings',command = self.change_settings)
self.change_settings_button.pack(side='top',fill='x', anchor="sw")
self.run_continually_button = tk.Button(left_panel,text='Run Continually',command = self.run_continually)
self.run_continually_button.pack(side='top',fill='x', anchor="nw")
self.stop_button = tk.Button(left_panel,text='Stop',command = self.stop, state='disabled')
self.stop_button.pack(side='top',fill='x', anchor="nw")
self.run_once_button = tk.Button(left_panel,text='Run Once',command = self.run_once)
self.run_once_button.pack(side='top',fill='x', anchor="nw")
self.export_data_button = tk.Button(left_panel,text='Export Data',command = self.export_data, state='disabled')
self.export_data_button.pack(side='bottom',anchor="sw")
left_panel.pack(fill='y',expand='no',side='left', padx = 10)
#create an tk embedded figure for temperature display
mid_panel = tk.Frame(win)
self.temperature_plot_template = TemperaturePlot()
self.temperature_figure_widget = EmbeddedFigure(mid_panel, figsize=TEMPERATURE_FIGSIZE)
self.temperature_figure_widget.pack(side='left',fill='both', expand='yes')
mid_panel.pack(fill='both', expand='yes',side='left')
#build the right panel
right_panel = tk.Frame(win)
self.text_display = TextDisplayBox(right_panel,text_height=15, buffer_size = TEXT_BUFFER_SIZE)
self.text_display.pack(side='left',fill='both',expand='yes')
right_panel.pack(fill='both', expand='yes',side='right')
#build the confirmation dialog
self.settings_dialog = SettingsDialog(self.win)
self.settings_dialog.withdraw()
self._load_settings()
#run modes
self._is_running = False
def launch(self):
#run the GUI handling loop
IgnoreKeyboardInterrupt()
self.win.deiconify()
self.win.mainloop()
NoticeKeyboardInterrupt()
def change_settings(self):
self.app.print_comment("changing capture settings...")
self.settings_dialog.activate()
def run_continually(self):
#cache the GUI settings FIXME - is this necessary?
self._cache_settings()
#disable all the buttons, except the stop button
self.run_once_button.config(state='disabled')
self.run_continually_button.config(state='disabled')
self.stop_button.config(state='normal')
self._is_running = True
self._run_continually_loop()
def _run_continually_loop(self):
if self._is_running:
self.run_once()
run_interval = int(1000*float(self.settings_dialog.form['run_interval'])) #convert to milliseconds
#reschedule loop
self.win.after(run_interval,self._run_continually_loop)
else:
#enable all the buttons, except the stop button
self.run_once_button.config(state='normal')
self.run_continually_button.config(state='normal')
self.stop_button.config(state='disabled')
#do not reschedule loop
def run_once(self):
self.app.acquire_temperature_sample()
self._update_temperature_plot()
self.export_data_button.config(state='normal') #data can now be exported
def stop(self):
self._is_running = False
def export_data(self):
self.app.print_comment("Exporting data...")
dt_now = datetime.datetime.utcnow()
dt_now_str = dt_now.strftime("%Y-%m-%d-%H_%m_%S")
default_filename = "%s_temperature.csv" % (dt_now_str,)
fdlg = SaveFileDialog(self.win,title="Save Temperature Data")
userdata_path = self.app.config['paths']['data_dir']
filename = fdlg.go(dir_or_file = userdata_path,
pattern="*.csv",
default=default_filename,
key = None
)
if not filename:
return #abort
delim = ","
comment_prefix = "#"
eol = "\n"
with open(filename, 'w') as f:
#write header
f.write(comment_prefix)
keys = self.app.temperature_samples.keys()
f.write(delim.join(keys))
f.write(eol)
vals = self.app.temperature_samples.values()
D = np.vstack(vals).transpose()
np.savetxt(f, D, fmt=DATA_FORMAT, delimiter=delim)
def _update_temperature_plot(self):
figure = self.temperature_figure_widget.get_figure()
figure.clear()
t = np.array(self.app.timestamps)
t -= t[0]
t /= 3600.0
Xs = []
Ys = []
for key,temp_list in self.app.temperature_samples.items():
Xs.append(t)
Ys.append(temp_list)
self.temperature_plot_template.plot(Xs, Ys,
figure = figure
)
self.temperature_figure_widget.update()
# def wait_on_experiment(self):
# if self.app.check_experiment_completed():
# self.app.shutdown_experiment()
# self.win.after(WAIT_DELAY,self.wait_on_experiment_shutdown)
# else:
# self.win.after(WAIT_DELAY,self.wait_on_experiment)
def print_to_text_display(self, text, eol='\n'):
self.text_display.print_text(text, eol=eol)
def _load_settings(self):
if os.path.exists(SETTINGS_FILEPATH):
self.app.print_comment("loading from settings file '%s'" % SETTINGS_FILEPATH)
settings = shelve.open(SETTINGS_FILEPATH)
self.settings_dialog.form['run_interval'] = settings.get('run_interval', DEFAULT_RUN_INTERVAL)
settings.close()
else:
self.app.print_comment("failed to find settings file '%s'" % SETTINGS_FILEPATH)
def _cache_settings(self):
self.app.print_comment("caching to settings file '%s'" % SETTINGS_FILEPATH)
settings = shelve.open(SETTINGS_FILEPATH)
settings['run_interval'] = self.settings_dialog.form['run_interval']
settings.close()
def _close(self):
#cache the GUI settings FIXME - is this necessary?
self._cache_settings()
self.win.destroy()