def draw(self):
"""Draw data."""
if len(self.fitResults) == 0:
return
# Make sure our figure is the active one
vv.figure(self.fig.nr)
if not hasattr(self, 'subplot1'):
self.subplot1 = vv.subplot(211)
#self.subplot1.position = (30, 2, -32, -32)
self.subplot2 = vv.subplot(212)
#self.subplot1.position = (30, 2, -32, -32)
a, ed = numpy.histogram(self.fitResults['tIndex'], self.Size[0] / 6)
print((float(numpy.diff(ed[:2]))))
self.subplot1.MakeCurrent()
vv.cla()
vv.plot(ed[:-1], a / float(numpy.diff(ed[:2])), lc='b', lw=2)
#self.subplot1.set_xticks([0, ed.max()])
#self.subplot1.set_yticks([0, numpy.floor(a.max()/float(numpy.diff(ed[:2])))])
self.subplot2.MakeCurrent()
vv.cla()
#cs =
csa = numpy.cumsum(a)
vv.plot(ed[:-1], csa / float(csa[-1]), lc='g', lw=2)
#self.subplot2.set_xticks([0, ed.max()])
#self.subplot2.set_yticks([0, a.sum()])
self.fig.DrawNow()
self.subplot1.position = (20, 2, -22, -32)
self.subplot2.position = (20, 2, -22, -32)
def draw( self ):
"""Draw data."""
if len(self.fitResults) == 0:
return
# Make sure our figure is the active one
vv.figure(self.fig.nr)
if not hasattr( self, 'subplot1' ):
self.subplot1 = vv.subplot(211)
#self.subplot1.position = (30, 2, -32, -32)
self.subplot2 = vv.subplot(212)
#self.subplot1.position = (30, 2, -32, -32)
a, ed = numpy.histogram(self.fitResults['tIndex'], self.Size[0]/6)
print((float(numpy.diff(ed[:2]))))
self.subplot1.MakeCurrent()
vv.cla()
vv.plot(ed[:-1], a/float(numpy.diff(ed[:2])), lc='b', lw=2)
#self.subplot1.set_xticks([0, ed.max()])
#self.subplot1.set_yticks([0, numpy.floor(a.max()/float(numpy.diff(ed[:2])))])
self.subplot2.MakeCurrent()
vv.cla()
#cs =
csa = numpy.cumsum(a)
vv.plot(ed[:-1], csa/float(csa[-1]), lc='g', lw=2)
#self.subplot2.set_xticks([0, ed.max()])
#self.subplot2.set_yticks([0, a.sum()])
self.fig.DrawNow()
self.subplot1.position = (20, 2, -22, -32)
self.subplot2.position = (20, 2, -22, -32)
def PlotReferencePhase(self, event):
"""
Plot reference phase
"""
visvis.cla()
visvis.clf()
# get actual amplitude and phased
phase = self.GetReferencePhase()[0]
ampl = np.ones(phase.size)
ampl, phase = self.DevPulseShaper.GetUnwrappedAmplPhase(ampl, phase)
# Wrap the phase in radians
phase %= (2 * np.pi)
# Get the phase in unites of 2*pi
phase /= (2 * np.pi)
visvis.subplot(211)
visvis.plot(phase)
visvis.ylabel('Reference phase')
visvis.xlabel('puls shaper pixel number')
visvis.title('Current reference phase (in unites of 2*pi)')
visvis.subplot(212)
visvis.plot(self.corrections, lc='r', ms='*', mc='r')
visvis.ylabel('Value of coefficients')
visvis.xlabel('coefficient number')
visvis.title('Value of corrections')
def DisplayOptimization (self) :
"""
Display the progress of optimization
"""
wx.Yield()
# abort, if requested
if self.need_abort : return
def GetValueColourIter (d) :
return izip_longest( d.itervalues(), ['r', 'g', 'b', 'k'], fillvalue='y' )
visvis.cla(); visvis.clf()
visvis.subplot(211)
# Plot optimization statistics
for values, colour in GetValueColourIter(self.optimization_log) :
try : visvis.plot ( values, lc=colour )
except Exception : pass
visvis.xlabel ('iteration')
visvis.ylabel ('Objective function')
visvis.legend( self.optimization_log.keys() )
# Display reference signal
visvis.subplot(212)
# Plot reference signal
for values, colour in GetValueColourIter(self.log_reference_signal) :
try : visvis.plot ( values, lc=colour )
except Exception : pass
visvis.xlabel ('iteration')
visvis.ylabel ("Signal from reference pulse")
visvis.legend( ["channel %d" % x for x in self.log_reference_signal.keys()] )
def ShowImg (self) :
"""
Draw image
"""
if self._abort_img :
# Exit
return
# Get image
img = self.dev.StopImgAqusition()
# Display image
try :
if img <> RETURN_FAIL :
self._img_plot.SetData(img)
except AttributeError :
visvis.cla()
visvis.clf()
self._img_plot = visvis.imshow(img)
visvis.title ('Camera view')
ax = visvis.gca()
ax.axis.xTicks = []
ax.axis.yTicks = []
# Start acquisition of histogram
self.dev.StartImgAqusition()
wx.CallAfter(self.ShowImg)
def PlotReferencePhase (self, event) :
"""
Plot reference phase
"""
visvis.cla(); visvis.clf();
# get actual amplitude and phased
phase = self.GetReferencePhase()[0]
ampl = np.ones(phase.size)
ampl, phase = self.DevPulseShaper.GetUnwrappedAmplPhase(ampl, phase)
# Wrap the phase in radians
phase %= (2*np.pi)
# Get the phase in unites of 2*pi
phase /= (2*np.pi)
visvis.subplot(211)
visvis.plot(phase)
visvis.ylabel ('Reference phase')
visvis.xlabel ('puls shaper pixel number')
visvis.title ('Current reference phase (in unites of 2*pi)')
visvis.subplot(212)
visvis.plot( self.corrections, lc='r',ms='*', mc='r' )
visvis.ylabel ('Value of coefficients')
visvis.xlabel ('coefficient number')
visvis.title ('Value of corrections')
def update_plot(self):
vv.cla()
self.surf = vv.surf(self.x,
self.y,
self.z,
axesAdjust=False,
axes=self.axes)
self.surf.clim = self.clim
self.surf.colormap = vv.CM_JET
def StartInteractivelyMeasureSpectrum (self, event) :
"""
This method display spectrum
"""
button = self.show_spectrum_button
if button.GetLabel() == button.__start_label__ :
self.StopAllJobs()
# get spectrometer's settings
spect_settings = self.SettingsNotebook.Spectrometer.GetSettings()
# Initiate spectrometer
if self.Spectrometer.SetSettings(spect_settings) == RETURN_FAIL : return
try : self.wavelengths = self.Spectrometer.GetWavelengths()
except AttributeError : self.wavelengths = None
# Clearing the figure
visvis.cla(); visvis.clf();
# Set up timer to draw spectrum
TIMER_ID = wx.NewId()
self.spectrum_timer = wx.Timer (self, TIMER_ID)
self.spectrum_timer.Start (spect_settings["exposure_time"])
wx.EVT_TIMER (self, TIMER_ID, self.DrawSpectrum)
# Chose plotting options
try :
self.is_autoscaled_spectrum = not(spect_settings["fix_vertical_axis"])
except KeyError :
self.is_autoscaled_spectrum = True
if not self.is_autoscaled_spectrum :
self.spectrum_plot_limits = ( spect_settings["vertical_axis_min_val"],
spect_settings["vertical_axis_max_val"] )
# Change button's label
button.SetLabel (button.__stop_label__)
elif button.GetLabel() == button.__stop_label__ :
# Stopping timer
self.spectrum_timer.Stop()
del self.spectrum_timer
# Delete the parameter for auto-scaling
del self.spectrum_plot_limits, self.is_autoscaled_spectrum
# Delate visvis objects
try : del self.__interact_2d_spectrum__
except AttributeError : pass
try : del self.__interact_1d_spectrum__
except AttributeError : pass
# Change button's label
button.SetLabel (button.__start_label__)
else : raise ValueError("Label is not recognized")
def DrawSpectrum(self, event):
"""
Draw spectrum interactively
"""
spectrum = self.Spectrometer.AcquiredData()
if spectrum == RETURN_FAIL: return
# Display the spectrum
if len(spectrum.shape) > 1:
try:
self.__interact_2d_spectrum__.SetData(spectrum)
except AttributeError:
visvis.cla()
visvis.clf()
# Spectrum is a 2D image
visvis.subplot(211)
self.__interact_2d_spectrum__ = visvis.imshow(spectrum,
cm=visvis.CM_JET)
visvis.subplot(212)
# Plot a vertical binning
spectrum = spectrum.sum(axis=0)
# Linear spectrum
try:
self.__interact_1d_spectrum__.SetYdata(spectrum)
except AttributeError:
if self.wavelengths is None:
self.__interact_1d_spectrum__ = visvis.plot(spectrum, lw=3)
visvis.xlabel("pixels")
else:
self.__interact_1d_spectrum__ = visvis.plot(self.wavelengths,
spectrum,
lw=3)
visvis.xlabel("wavelength (nm)")
visvis.ylabel("counts")
if self.is_autoscaled_spectrum:
# Smart auto-scale linear plot
try:
self.spectrum_plot_limits = GetSmartAutoScaleRange(
spectrum, self.spectrum_plot_limits)
except AttributeError:
self.spectrum_plot_limits = GetSmartAutoScaleRange(spectrum)
visvis.gca().SetLimits(rangeY=self.spectrum_plot_limits)
# Display the current temperature
try:
visvis.title("Temperature %d (C)" %
self.Spectrometer.GetTemperature())
except AttributeError:
pass
def AnalyzeTotalFluorescence (self, event=None) : """ `analyse_button` was clicked """ # Get current settings settings = self.GetSettings() # Apply peak finding filter signal = self.peak_finders[ settings["peak_finder"] ](self.total_fluorescence) # Scale to (0,1) signal -= signal.min() signal = signal / signal.max() ########################################################################## # Partition signal into segments that are above the background noise #signal = gaussian_filter(total_fluorescence, sigma=0.5) background_cutoff = settings["background_cutoff"] segments = [ [] ] for num, is_segment in enumerate( signal > background_cutoff ) : if is_segment : # this index is in the segment segments[-1].append( num ) elif len(segments[-1]) : # this condition is not to add empty segments # Start new segments segments.append( [] ) # Find peaks as weighted average of the segment peaks = [ np.average(self.positions[S], weights=self.total_fluorescence[S]) for S in segments if len(S) ] ########################################################################## # Saving the positions self.chanel_positions_ctrl.SetValue( ", ".join( "%2.4f" % p for p in peaks ) ) ########################################################################## # Plot acquired data visvis.cla(); visvis.clf() visvis.plot( self.positions, signal ) visvis.plot( peaks, background_cutoff*np.ones(len(peaks)), ls=None, ms='+', mc='r', mw=20) visvis.plot( [self.positions.min(), self.positions.max()], [background_cutoff, background_cutoff], lc='r', ls='--', ms=None) visvis.legend( ["measured signal", "peaks found", "background cut-off"] ) visvis.ylabel( "total fluorescence") visvis.xlabel( 'position (mm)')
def _Plot2(self):
vv.figure(self.fig.nr)
vv.clf()
ax1f2 = vv.cla()
ax1f2.daspect = 1,-1,1
vv.surf(self.z)
vv.axis('off')
ax1f1 = self.fig2.add_subplot(221)
ax1f1.imshow(self.Nx)
ax1f1.axis('off')
ax2f1 = self.fig2.add_subplot(222)
ax2f1.imshow(self.Ny)
ax2f1.axis('off')
ax3f1 = self.fig2.add_subplot(223)
ax3f1.imshow(self.Nz)
ax3f1.axis('off')
ax4f1 = self.fig2.add_subplot(224)
ax4f1.imshow(self.A, cmap='gray')
ax4f1.axis('off')
self.canvas.draw()
if not hasattr(self, 'toolbar'):
self.toolbar = NavigationToolbar(self.canvas,
self.mplwindow3, coordinates=True)
self.mplvl3.addWidget(self.toolbar)
self.setWindowTitle('PS Acquisition Tool - %s' % self.currentArchive)
def DrawSpectrum (self, event) :
"""
Draw spectrum interactively
"""
spectrum = self.Spectrometer.AcquiredData()
if spectrum == RETURN_FAIL : return
# Display the spectrum
if len(spectrum.shape) > 1:
try :
self.__interact_2d_spectrum__.SetData(spectrum)
except AttributeError :
visvis.cla(); visvis.clf();
# Spectrum is a 2D image
visvis.subplot(211)
self.__interact_2d_spectrum__ = visvis.imshow(spectrum, cm=visvis.CM_JET)
visvis.subplot(212)
# Plot a vertical binning
spectrum = spectrum.sum(axis=0)
# Linear spectrum
try :
self.__interact_1d_spectrum__.SetYdata(spectrum)
except AttributeError :
if self.wavelengths is None :
self.__interact_1d_spectrum__ = visvis.plot (spectrum, lw=3)
visvis.xlabel ("pixels")
else :
self.__interact_1d_spectrum__ = visvis.plot (self.wavelengths, spectrum, lw=3)
visvis.xlabel("wavelength (nm)")
visvis.ylabel("counts")
if self.is_autoscaled_spectrum :
# Smart auto-scale linear plot
try :
self.spectrum_plot_limits = GetSmartAutoScaleRange(spectrum, self.spectrum_plot_limits)
except AttributeError :
self.spectrum_plot_limits = GetSmartAutoScaleRange(spectrum)
visvis.gca().SetLimits ( rangeY=self.spectrum_plot_limits )
# Display the current temperature
try : visvis.title ("Temperature %d (C)" % self.Spectrometer.GetTemperature() )
except AttributeError : pass
def DisplayOptimization(self):
"""
Display the progress of optimization
"""
wx.Yield()
# abort, if requested
if self.need_abort: return
def GetValueColourIter(d):
return izip_longest(d.itervalues(), ['r', 'g', 'b', 'k'],
fillvalue='y')
visvis.cla()
visvis.clf()
visvis.subplot(211)
# Plot optimization statistics
for values, colour in GetValueColourIter(self.optimization_log):
try:
visvis.plot(values, lc=colour)
except Exception:
pass
visvis.xlabel('iteration')
visvis.ylabel('Objective function')
visvis.legend(self.optimization_log.keys())
# Display reference signal
visvis.subplot(212)
# Plot reference signal
try:
visvis.plot(self.log_reference_signal)
except Exception:
pass
visvis.xlabel('iteration')
visvis.ylabel("Signal from reference pulse")
def DoScannning (self, event) :
"""
Perform scanning of different phase mask
"""
# Create pseudonyms of necessary devices
self.DevSpectrometer = self.parent.Spectrometer.dev
self.DevPulseShaper = self.parent.PulseShaper.dev
self.DevSampleSwitcher = self.parent.SampleSwitcher.dev
self.DevFilterWheel = self.parent.FilterWheel.dev
# Save global settings and get the name of log file
self.log_filename = SaveSettings(SettingsNotebook=self.parent,
title="Select file to save phase mask scanning", filename="scanning_phase_mask.hdf5")
if self.log_filename is None : return
####################### Initiate devices #############################
# Initiate spectrometer
settings = self.parent.Spectrometer.GetSettings()
if self.DevSpectrometer.SetSettings(settings) == RETURN_FAIL : return
# Initiate pulse shaper
settings = self.parent.PulseShaper.GetSettings()
if self.DevPulseShaper.Initialize(settings) == RETURN_FAIL : return
# Get number of optimization variables
self.num_pixels = self.DevPulseShaper.GetParamNumber()
if self.num_pixels == RETURN_FAIL :
raise RuntimeError ("Optimization cannot be started since calibration file was not loaded")
# Initiate sample switcher
settings = self.parent.SampleSwitcher.GetSettings()
if self.DevSampleSwitcher.Initialize(settings) == RETURN_FAIL : return
# Initialize the filter wheel
settings = self.parent.FilterWheel.GetSettings()
if self.DevFilterWheel.Initialize(settings) == RETURN_FAIL : return
# Saving the name of channels
settings = self.GetSettings()
self.channels = sorted( eval( "(%s,)" % settings["channels"] ) )
if self.DevSampleSwitcher.GetChannelNum()-1 < max(self.channels) :
raise ValueError ("Error: Some channels specified are not accessible by sample switcher.")
# Saving the name of filter
self.filters = sorted( eval( "(%s,)" % settings["filters"] ) )
if self.DevFilterWheel.GetNumFilters() < max(self.filters) :
raise ValueError ("Error: Some filters specified are not accessible by filter wheel.")
# Check whether the background signal array is present
self.CheckBackground()
#####################################################################
# Get range of coefficient
coeff_range = np.linspace( settings["coeff_min"], settings["coeff_max"], settings["coeff_num"] )
min_N = settings["min_polynomial_order"]
max_N = settings["max_polynomial_order"]
# Create all polynomial coefficients for scanning
coeff_iter = product( *chain(repeat([0], min_N), repeat(coeff_range, max_N+1-min_N)) )
poly_coeffs = np.array( list(coeff_iter) )
# Chose max amplitude
max_ampl = settings["max_ampl"]*np.ones(self.num_pixels)
# Arguments of the basis
X = np.linspace(-1., 1., self.num_pixels)
# Retrieve the basis type
polynomial_basis = self.polynomial_bases[ settings["polynomial_basis"] ]
# Adjusting button's settings
button = event.GetEventObject()
button.SetLabel (button._stop_label)
button.SetBackgroundColour('red')
button.Bind( wx.EVT_BUTTON, button._stop_method)
self.need_abort = False
#####################################################################
# Start scanning
with h5py.File (self.log_filename, 'a') as log_file :
# Allocate memory for fluorescence signal of all proteins
fluorescences = dict(
(key, np.zeros(len(poly_coeffs), dtype=np.int)) for key in product(self.channels, self.filters)
)
# Allocate memory for reference fluoresence
ref_fluorescences = dict( (C, []) for C in self.channels )
# Iterator for polynomial coefficients
poly_coeffs_iter = enumerate(poly_coeffs)
while True :
# Chunk up the data
chunk_poly_coeffs = list( islice(poly_coeffs_iter, len(coeff_range)) )
# about, if there is nothing to iterate over
if len(chunk_poly_coeffs) == 0 : break
# abort, if requested
if self.need_abort : break
for channel in self.channels :
# Move to a selected channel
self.DevSampleSwitcher.MoveToChannel(channel)
# abort, if requested
if self.need_abort : break
# Looping over pulse shapes
for scan_num, coeff in chunk_poly_coeffs :
# Calculate new phase
phase = polynomial_basis(coeff)(X)
# Set the pulse shape
self.DevPulseShaper.SetAmplPhase(max_ampl, phase)
# abort, if requested
if self.need_abort : break
# Looping over filters in filter wheels
for filter in self.filters :
self.DevFilterWheel.SetFilter(filter)
# abort, if requested
wx.Yield()
if self.need_abort : break
# Get spectrum sum, i.e., fluorescence
spectrum_sum = self.GetSampleSpectrum(channel).sum()
# Save the spectrum
fluorescences[ (channel, filter) ][scan_num] = spectrum_sum
# Record reference fluorescence
self.DevPulseShaper.SetAmplPhase(max_ampl, np.zeros_like(max_ampl))
# Go to filters with max transmission (ASSUMING that it has lowest number)
self.DevFilterWheel.SetFilter( min(self.filters) )
spectrum_sum = self.GetSampleSpectrum(channel).sum()
ref_fluorescences[channel].append( spectrum_sum )
# Display the currently acquired data
try :
for key, img in fluorescence_imgs.items() :
img.SetYdata( fluorescences[key] )
except NameError :
visvis.cla(); visvis.clf()
# Iterator of colours
colour_iter = cycle(['r', 'g', 'b', 'k', 'y'])
fluorescence_imgs = dict(
(K, visvis.plot( F, lw=1, lc=colour_iter.next() ) ) for K, F in fluorescences.items()
)
visvis.xlabel("phase masks")
visvis.ylabel("Integrated fluorescence")
visvis.title("Measured fluorescence")
################ Scanning is over, save the data ########################
# Delete and create groups corresponding to channel
for channel in self.channels :
try : del log_file[ "channel_%d" % channel ]
except KeyError : pass
gchannel_grp = log_file.create_group( "channel_%d" % channel )
gchannel_grp["ref_fluorescence"] = ref_fluorescences[channel]
gchannel_grp["poly_coeffs"] = poly_coeffs
for channel_filter, fluorescence in fluorescences.items() :
log_file["channel_%d/filter_%d_fluorescence" % channel_filter ] = fluorescence
# Readjust buttons settings
self.StopScannning(event)
def StartInteractivelyMeasureSpectrum(self, event):
"""
This method display spectrum
"""
button = self.show_spectrum_button
if button.GetLabel() == button.__start_label__:
self.StopAllJobs()
# get spectrometer's settings
spect_settings = self.SettingsNotebook.Spectrometer.GetSettings()
# Initiate spectrometer
if self.Spectrometer.SetSettings(spect_settings) == RETURN_FAIL:
return
try:
self.wavelengths = self.Spectrometer.GetWavelengths()
except AttributeError:
self.wavelengths = None
# Clearing the figure
visvis.cla()
visvis.clf()
# Set up timer to draw spectrum
TIMER_ID = wx.NewId()
self.spectrum_timer = wx.Timer(self, TIMER_ID)
self.spectrum_timer.Start(spect_settings["exposure_time"])
wx.EVT_TIMER(self, TIMER_ID, self.DrawSpectrum)
# Chose plotting options
try:
self.is_autoscaled_spectrum = not (
spect_settings["fix_vertical_axis"])
except KeyError:
self.is_autoscaled_spectrum = True
if not self.is_autoscaled_spectrum:
self.spectrum_plot_limits = (
spect_settings["vertical_axis_min_val"],
spect_settings["vertical_axis_max_val"])
# Change button's label
button.SetLabel(button.__stop_label__)
elif button.GetLabel() == button.__stop_label__:
# Stopping timer
self.spectrum_timer.Stop()
del self.spectrum_timer
# Delete the parameter for auto-scaling
del self.spectrum_plot_limits, self.is_autoscaled_spectrum
# Delate visvis objects
try:
del self.__interact_2d_spectrum__
except AttributeError:
pass
try:
del self.__interact_1d_spectrum__
except AttributeError:
pass
# Change button's label
button.SetLabel(button.__start_label__)
else:
raise ValueError("Label is not recognized")
genres=pandas.DataFrame(all_by_week['BoxOffice'].mean()/norm1) genres.columns=['All Genres'] genres=genres.join(fantasy_by_week['BoxOffice'].mean()/norm2) genres.columns=['All Genres','Fantasy'] genres=genres.join(animation_by_week['BoxOffice'].mean()/norm3) genres.columns=['All Genres','Fantasy','Animation'] genres=genres.join(romance_by_week['BoxOffice'].mean()/norm4) genres.columns=['All Genres','Fantasy','Animation','Romance'] genres=genres.fillna(0) columns_name = ['All Genres','Fantasy','Animation','Romance'] genres.columns = [ 0, 4, 8, 12] x, y, z = genres.stack().reset_index().values.T #print genres.stack().reset_index().values.T #debug #print genres#debug app = vv.use() f = vv.clf() a = vv.cla() plot =vv.bar3(x, y, z) plot.colors = ["b","g","y","r"] * 53 a.axis.xLabel = 'Week #' a.axis.yTicks = dict(zip(genres.columns, columns_name)) a.axis.zLabel = 'Avg BoxOffice (Aribitrary Units)' app.Run()
def DoScannning(self, event):
"""
Perform scanning of different phase mask
"""
# Create pseudonyms of necessary devices
self.DevSpectrometer = self.parent.Spectrometer.dev
self.DevPulseShaper = self.parent.PulseShaper.dev
self.DevSampleSwitcher = self.parent.SampleSwitcher.dev
self.DevFilterWheel = self.parent.FilterWheel.dev
# Save global settings and get the name of log file
self.log_filename = SaveSettings(
SettingsNotebook=self.parent,
title="Select file to save phase mask scanning",
filename="scanning_phase_mask.hdf5")
if self.log_filename is None: return
####################### Initiate devices #############################
# Initiate spectrometer
settings = self.parent.Spectrometer.GetSettings()
if self.DevSpectrometer.SetSettings(settings) == RETURN_FAIL: return
# Initiate pulse shaper
settings = self.parent.PulseShaper.GetSettings()
if self.DevPulseShaper.Initialize(settings) == RETURN_FAIL: return
# Get number of optimization variables
self.num_pixels = self.DevPulseShaper.GetParamNumber()
if self.num_pixels == RETURN_FAIL:
raise RuntimeError(
"Optimization cannot be started since calibration file was not loaded"
)
# Initiate sample switcher
settings = self.parent.SampleSwitcher.GetSettings()
if self.DevSampleSwitcher.Initialize(settings) == RETURN_FAIL: return
# Initialize the filter wheel
settings = self.parent.FilterWheel.GetSettings()
if self.DevFilterWheel.Initialize(settings) == RETURN_FAIL: return
# Saving the name of channels
settings = self.GetSettings()
self.channels = sorted(eval("(%s,)" % settings["channels"]))
if self.DevSampleSwitcher.GetChannelNum() - 1 < max(self.channels):
raise ValueError(
"Error: Some channels specified are not accessible by sample switcher."
)
# Saving the name of filter
self.filters = sorted(eval("(%s,)" % settings["filters"]))
if self.DevFilterWheel.GetNumFilters() < max(self.filters):
raise ValueError(
"Error: Some filters specified are not accessible by filter wheel."
)
# Check whether the background signal array is present
self.CheckBackground()
#####################################################################
# Get range of coefficient
coeff_range = np.linspace(settings["coeff_min"], settings["coeff_max"],
settings["coeff_num"])
min_N = settings["min_polynomial_order"]
max_N = settings["max_polynomial_order"]
# Create all polynomial coefficients for scanning
coeff_iter = product(
*chain(repeat([0], min_N), repeat(coeff_range, max_N + 1 - min_N)))
poly_coeffs = np.array(list(coeff_iter))
# Chose max amplitude
max_ampl = settings["max_ampl"] * np.ones(self.num_pixels)
# Arguments of the basis
X = np.linspace(-1., 1., self.num_pixels)
# Retrieve the basis type
polynomial_basis = self.polynomial_bases[settings["polynomial_basis"]]
# Adjusting button's settings
button = event.GetEventObject()
button.SetLabel(button._stop_label)
button.SetBackgroundColour('red')
button.Bind(wx.EVT_BUTTON, button._stop_method)
self.need_abort = False
#####################################################################
# Start scanning
with h5py.File(self.log_filename, 'a') as log_file:
# Allocate memory for fluorescence signal of all proteins
fluorescences = dict(
(key, np.zeros(len(poly_coeffs), dtype=np.int))
for key in product(self.channels, self.filters))
# Allocate memory for reference fluoresence
ref_fluorescences = dict((C, []) for C in self.channels)
# Iterator for polynomial coefficients
poly_coeffs_iter = enumerate(poly_coeffs)
while True:
# Chunk up the data
chunk_poly_coeffs = list(
islice(poly_coeffs_iter, len(coeff_range)))
# about, if there is nothing to iterate over
if len(chunk_poly_coeffs) == 0: break
# abort, if requested
if self.need_abort: break
for channel in self.channels:
# Move to a selected channel
self.DevSampleSwitcher.MoveToChannel(channel)
# abort, if requested
if self.need_abort: break
# Looping over pulse shapes
for scan_num, coeff in chunk_poly_coeffs:
# Calculate new phase
phase = polynomial_basis(coeff)(X)
# Set the pulse shape
self.DevPulseShaper.SetAmplPhase(max_ampl, phase)
# abort, if requested
if self.need_abort: break
# Looping over filters in filter wheels
for filter in self.filters:
self.DevFilterWheel.SetFilter(filter)
# abort, if requested
wx.Yield()
if self.need_abort: break
# Get spectrum sum, i.e., fluorescence
spectrum_sum = self.GetSampleSpectrum(
channel).sum()
# Save the spectrum
fluorescences[(channel,
filter)][scan_num] = spectrum_sum
# Record reference fluorescence
self.DevPulseShaper.SetAmplPhase(max_ampl,
np.zeros_like(max_ampl))
# Go to filters with max transmission (ASSUMING that it has lowest number)
self.DevFilterWheel.SetFilter(min(self.filters))
spectrum_sum = self.GetSampleSpectrum(channel).sum()
ref_fluorescences[channel].append(spectrum_sum)
# Display the currently acquired data
try:
for key, img in fluorescence_imgs.items():
img.SetYdata(fluorescences[key])
except NameError:
visvis.cla()
visvis.clf()
# Iterator of colours
colour_iter = cycle(['r', 'g', 'b', 'k', 'y'])
fluorescence_imgs = dict(
(K, visvis.plot(F, lw=1, lc=colour_iter.next()))
for K, F in fluorescences.items())
visvis.xlabel("phase masks")
visvis.ylabel("Integrated fluorescence")
visvis.title("Measured fluorescence")
################ Scanning is over, save the data ########################
# Delete and create groups corresponding to channel
for channel in self.channels:
try:
del log_file["channel_%d" % channel]
except KeyError:
pass
gchannel_grp = log_file.create_group("channel_%d" % channel)
gchannel_grp["ref_fluorescence"] = ref_fluorescences[channel]
gchannel_grp["poly_coeffs"] = poly_coeffs
for channel_filter, fluorescence in fluorescences.items():
log_file["channel_%d/filter_%d_fluorescence" %
channel_filter] = fluorescence
# Readjust buttons settings
self.StopScannning(event)
def update_plot(self): vv.cla() self.surf = vv.surf(self.x, self.y, self.z, axesAdjust=False, axes=self.axes) self.surf.clim = self.clim self.surf.colormap = vv.CM_JET
def GetDeltaScan(self, event):
"""
Measure spectra by varying parameter delta in reference phase mask
"""
# Create pseudonyms of necessary devices
self.DevSpectrometer = self.parent.Spectrometer.dev
self.DevPulseShaper = self.parent.PulseShaper.dev
####################### Initiate devices #############################
# Initiate spectrometer
settings = self.parent.Spectrometer.GetSettings()
if self.DevSpectrometer.SetSettings(settings) == RETURN_FAIL: return
# Initiate pulse shaper
settings = self.parent.PulseShaper.GetSettings()
if self.DevPulseShaper.Initialize(settings) == RETURN_FAIL: return
# Get number of optimization variables
self.num_pixels = self.DevPulseShaper.GetParamNumber()
if self.num_pixels == RETURN_FAIL:
raise RuntimeError(
"Optimization cannot be started since calibration file was not loaded"
)
miips_settings = self.GetSettings()
#####################################################################
# Get range of coefficient
coeff_range = np.linspace(miips_settings["coeff_min"],
miips_settings["coeff_max"],
miips_settings["coeff_num"])
# Get reference phase based on the corrections already obtained
reference_phase, X, polynomial_basis = self.GetReferencePhase(
miips_settings)
# Get new polynomial
new_coeffs = np.zeros(miips_settings["polynomial_order"] + 1)
new_coeffs[-1] = 1
current_polynomial = polynomial_basis(new_coeffs)(X)
# Chose max amplitude
max_ampl = miips_settings["max_ampl"] * np.ones(self.num_pixels)
# Adjusting button's settings
button = event.GetEventObject()
button.SetLabel(button._stop_label)
button.SetBackgroundColour('red')
button.Bind(wx.EVT_BUTTON, button._stop_method)
self.need_abort = False
for scan_num, coeff in enumerate(coeff_range):
# Get current phase mask
current_phase = coeff * current_polynomial
current_phase += reference_phase
# Check for consistency
current_phase %= 1
# Set the pulse shape
self.DevPulseShaper.SetAmplPhase(max_ampl, current_phase)
wx.Yield()
# abort, if requested
if self.need_abort: break
# Get spectrum
spectrum = self.DevSpectrometer.AcquiredData()
# Vertical binning
spectrum = (spectrum.sum(
axis=0) if len(spectrum.shape) == 2 else spectrum)
try:
spectral_scans
except NameError:
# Allocate space for spectral scans
spectral_scans = np.zeros((coeff_range.size, spectrum.size),
dtype=spectrum.dtype)
# Save spectrum
spectral_scans[scan_num] = spectrum
# Display the currently acquired data
try:
spectral_scan_2d_img.SetData(spectral_scans)
except NameError:
visvis.cla()
visvis.clf()
spectral_scan_2d_img = visvis.imshow(spectral_scans,
cm=visvis.CM_JET)
visvis.ylabel('coefficeints')
visvis.xlabel('wavelegth')
#######################################################
# Get current wavelength
wavelength = self.DevSpectrometer.GetWavelengths()
# Adding the scan to log
self.scan_log.append({
"spectral_scans": spectral_scans,
"reference_phase": reference_phase,
"current_polynomial": current_polynomial,
"coeff_range": coeff_range,
"wavelength": wavelength
})
# Plotting fit
visvis.cla()
visvis.clf()
################ Find the value of coeff such that it maximizes the total intensity of SHG
# Method 1: use polynomial filter
# Ignored not scanned parameter
spectral_sum = spectral_scans.sum(axis=1)
indx = np.nonzero(spectral_sum > 0)
# Fit the total spectral intensity with chosen polynomials
spectral_sum_fit = polynomial_basis.fit(coeff_range[indx],
spectral_sum[indx], 10)
# Find extrema of the polynomial fit
opt_coeff = spectral_sum_fit.deriv().roots()
# Find maximum
fit_max_sum_val = opt_coeff[np.argmax(
spectral_sum_fit(opt_coeff))].real
print "\n\nOptimal value of the coefficient (using the polynomial fit) is ", fit_max_sum_val
# Method 2: Use Gaussian filter
# Smoothing spectral scans
filtered_spectral_scans = gaussian_filter(spectral_scans, (2, 0.5))
gauss_max_sum_val = coeff_range[np.argmax(
filtered_spectral_scans.sum(axis=1))]
print "\nOptimal value of the coefficient (using the Gaussian filter) is ", gauss_max_sum_val
# If the difference between methods is great then use the Gaussian filter
if abs(gauss_max_sum_val - fit_max_sum_val) / np.abs(
[gauss_max_sum_val, fit_max_sum_val]).max() > 0.3:
max_sum_val = gauss_max_sum_val
else:
max_sum_val = fit_max_sum_val
self.current_coeff_val.SetValue(max_sum_val)
filtered_spectral_scans[np.searchsorted(
coeff_range, max_sum_val)][0:-1:2] = spectral_scans.min()
################ Plotting results ####################
#spectral_scan_2d_img.SetData(spectral_scans)
#spectral_scan_2d_img.SetClim( spectral_scans.min(), spectral_scans.max() )
visvis.subplot(121)
visvis.title("Raw spectral scans")
visvis.imshow(spectral_scans, cm=visvis.CM_JET)
visvis.ylabel('coefficeints')
visvis.xlabel('wavelegth')
visvis.subplot(122)
visvis.title("Finding maximum")
visvis.imshow(filtered_spectral_scans, cm=visvis.CM_JET)
visvis.ylabel('coefficeints')
visvis.xlabel('wavelegth')
# Readjust buttons settings
self.StopScannning(event)
def DoScannning(self, event):
"""
Perform scanning of different phase mask
"""
# Create pseudonyms of necessary devices
self.DevSpectrometer = self.parent.Spectrometer.dev
self.DevPulseShaper = self.parent.PulseShaper.dev
self.DevSampleSwitcher = self.parent.SampleSwitcher.dev
# Save global settings and get the name of log file
self.log_filename = SaveSettings(
SettingsNotebook=self.parent,
title="Select file to save phase mask scanning",
filename="scanning_phase_mask.hdf5")
if self.log_filename is None: return
####################### Initiate devices #############################
# Initiate spectrometer
settings = self.parent.Spectrometer.GetSettings()
if self.DevSpectrometer.SetSettings(settings) == RETURN_FAIL: return
# Initiate pulse shaper
settings = self.parent.PulseShaper.GetSettings()
if self.DevPulseShaper.Initialize(settings) == RETURN_FAIL: return
# Get number of optimization variables
self.num_pixels = self.DevPulseShaper.GetParamNumber()
if self.num_pixels == RETURN_FAIL:
raise RuntimeError(
"Optimization cannot be started since calibration file was not loaded"
)
# Initiate sample switcher
settings = self.parent.SampleSwitcher.GetSettings()
if self.DevSampleSwitcher.Initialize(settings) == RETURN_FAIL: return
# Saving the name of channels
odd_settings = self.GetSettings()
self.channels = sorted(eval("(%s,)" % odd_settings["channels"]))
if self.DevSampleSwitcher.GetChannelNum() - 1 < max(self.channels):
raise ValueError(
"Error: Some channels specified are not accessible by sample switcher."
)
# Check whether the background signal array is present
self.CheckBackground()
#####################################################################
# Get range of coefficient
coeff_range = np.linspace(odd_settings["coeff_min"],
odd_settings["coeff_max"],
odd_settings["coeff_num"])
# List all polynomial coefficients
N = odd_settings["polynomial_order"]
poly_coeffs = np.zeros((coeff_range.size * N, N + 1))
for n in range(1, N + 1):
poly_coeffs[(n - 1) * coeff_range.size:n * coeff_range.size,
n] = coeff_range
# Chose max amplitude
max_ampl = odd_settings["max_ampl"] * np.ones(self.num_pixels)
# Arguments of the basis
X = np.linspace(-1., 1., self.num_pixels)
# Retrieve the basis type
polynomial_basis = self.polynomial_bases[
odd_settings["polynomial_basis"]]
# Adjusting button's settings
button = event.GetEventObject()
button.SetLabel(button._stop_label)
button.SetBackgroundColour('red')
button.Bind(wx.EVT_BUTTON, button._stop_method)
self.need_abort = False
#####################################################################
# Start scanning
with h5py.File(self.log_filename, 'a') as log_file:
for channel in self.channels:
# Move to a selected channel
self.DevSampleSwitcher.MoveToChannel(channel)
# abort, if requested
wx.Yield()
if self.need_abort: break
# Looping over pulse shapes
for scan_num, coeff in enumerate(poly_coeffs):
# Calculate new phase
phase = polynomial_basis(coeff)(X)
# Set the pulse shape
self.DevPulseShaper.SetAmplPhase(max_ampl, phase)
# Save phase in radians
ampl, phase = self.DevPulseShaper.GetUnwrappedAmplPhase(
max_ampl, phase)
if scan_num == 0:
# Initialize the array
phases_rad = np.zeros((len(poly_coeffs), phase.size),
dtype=phase.dtype)
amplitudes = np.zeros_like(phases_rad)
amplitudes[:] = ampl.min()
# Save phase
phases_rad[scan_num] = phase
amplitudes[scan_num] = ampl
# abort, if requested
wx.Yield()
if self.need_abort: break
# Get spectrum
spectrum = self.GetSampleSpectrum(channel)
# Vertical binning
spectrum = (spectrum.sum(
axis=0) if len(spectrum.shape) == 2 else spectrum)
if scan_num == 0:
# Initialize the array
spectra = np.zeros((len(poly_coeffs), spectrum.size),
dtype=spectrum.dtype)
spectra[:] = spectrum.min()
# Save the spectrum
spectra[scan_num] = spectrum
# Display the currently acquired data
try:
spectra_2d_img.SetData(spectra)
phases_rad_2d_img.SetData(phases_rad % (2 * np.pi))
#amplitudes_2d_img.SetData( amplitudes )
except NameError:
visvis.cla()
visvis.clf()
visvis.subplot(121)
spectra_2d_img = visvis.imshow(spectra,
cm=visvis.CM_JET)
visvis.ylabel('scans')
visvis.xlabel('wavelegth')
visvis.title("spectral scan")
visvis.subplot(122)
phases_rad_2d_img = visvis.imshow(phases_rad %
(2 * np.pi),
cm=visvis.CM_JET)
visvis.title("phase shapes")
#visvis.subplot(133)
#amplitudes_2d_img = visvis.imshow(amplitudes, cm=visvis.CM_JET)
#visvis.title("amplitudes")
# Save the data for the given channel
try:
del log_file[str(channel)]
except KeyError:
pass
channel_grp = log_file.create_group(str(channel))
channel_grp["spectra"] = spectra
channel_grp["phases_rad"] = phases_rad
channel_grp["amplitudes"] = amplitudes
channel_grp["poly_coeffs"] = poly_coeffs
# Readjust buttons settings
self.StopScannning(event)
#!/usr/bin/env python
""" This example illustrate using text and formatting for text
world objects and labels.
"""
import visvis as vv
# Create figure and figure
fig = vv.figure()
a = vv.cla()
a.cameraType = '2d'
a.daspectAuto = True
a.SetLimits((0, 8), (-1, 10))
# Create text inside the axes
vv.Text(a, 'These are texts living in the scene:', 1, 3)
vv.Text(a, 'Text can be made \b{bold} easil\by!', 1, 2)
vv.Text(a, 'Text can be made \i{italic} easil\iy!', 1, 1)
# Create text labels
label0 = vv.Label(a, 'These are texts in widget coordinates:')
label0.position = 10, 20
label1 = vv.Label(a, 'Sub_{script} and super^{script} are easy as pi^2.')
label1.position = 10, 40
label2 = vv.Label(a, u'You can use many Unicode characters: \\u0183 = \u0183')
label2.position = 10, 60
label3 = vv.Label(
a, 'And can use many Latex like commands: \\alpha \\Alpha' +
'\\approx, \sigma, \pi, ')
label3.position = 10, 80
def ExtractPhaseFunc(self, event=None, filename=None):
"""
This function is the last stage of calibration,
when measured data is mathematically processed to obtain the calibration curves.
"""
# If filename is not specified, open the file dialogue
if filename is None:
filename = self.LoadSettings(title="Load calibration file...")
# Update the name of pulse shaper calibration file
import os
self.SettingsNotebook.PulseShaper.SetSettings(
{"calibration_file_name": os.path.abspath(filename)})
visvis.clf()
# Loading the file calibration file
with h5py.File(filename, 'a') as calibration_file:
############### Loading data ####################
wavelengths = calibration_file["calibration_settings/wavelengths"][
...]
fixed_voltage = calibration_file[
"calibration_settings/fixed_voltage"][...]
pulse_shaper_pixel_num = calibration_file[
"calibration_settings/pulse_shaper_pixel_num"][...]
initial_pixel = calibration_file[
"settings/CalibrateShaper/initial_pixel"][...]
final_pixel = calibration_file[
"settings/CalibrateShaper/final_pixel"][...]
pixel_bundle_width = calibration_file[
"settings/CalibrateShaper/pixel_bundle_width"][...]
pixel_to_lamba = str(
calibration_file["settings/CalibrateShaper/pixel_to_lamba"][
...])
# Convert to dict
pixel_to_lamba = eval("{%s}" % pixel_to_lamba)
# Loading scans of slave and masker masks
master_mask_scans = []
slave_mask_scans = []
for key, spectrum in calibration_file[
"spectra_from_uniform_masks"].items():
master_volt, slave_volt = map(int, key.split('_')[-2:])
if master_volt == fixed_voltage:
slave_mask_scans.append((slave_volt, spectrum[...]))
if slave_volt == fixed_voltage:
master_mask_scans.append((master_volt, spectrum[...]))
# Sort by voltage
master_mask_scans.sort()
slave_mask_scans.sort()
# Extract spectral scans and voltages for each mask
master_mask_voltage, master_mask_scans = zip(*master_mask_scans)
master_mask_voltage = np.array(master_mask_voltage)
master_mask_scans = np.array(master_mask_scans)
slave_mask_voltage, slave_mask_scans = zip(*slave_mask_scans)
slave_mask_voltage = np.array(slave_mask_voltage)
slave_mask_scans = np.array(slave_mask_scans)
################### Find the edges of pixels #################
# function that converts pixel number to pulse shaper
# `pixel_to_lamba` is a dictionary with key = pixel, value = lambda
deg = 1 #min(1,len(pixel_to_lamba)-1)
print np.polyfit(pixel_to_lamba.keys(), pixel_to_lamba.values(), 1)
pixel2lambda_func = np.poly1d(
np.polyfit(pixel_to_lamba.keys(),
pixel_to_lamba.values(),
deg=deg))
#lambda2pixel_func = np.poly1d( np.polyfit(pixel_to_lamba.values(), pixel_to_lamba.keys(), deg=deg ) )
# Get pixels_edges in shaper pixels
pixels_edges_num = np.arange(initial_pixel, final_pixel,
pixel_bundle_width)
if pixels_edges_num[-1] < final_pixel:
pixels_edges_num = np.append(pixels_edges_num, [final_pixel])
# Get pixels_edges in logical_pixel_lambda
pixels_edges = pixel2lambda_func(pixels_edges_num)
# Get pixels_edges in positions of the spectrometer spectra
pixels_edges = np.abs(wavelengths -
pixels_edges[:, np.newaxis]).argmin(axis=1)
# Sorting
indx = np.argsort(pixels_edges)
pixels_edges = pixels_edges[indx]
pixels_edges_num = pixels_edges_num[indx]
# Plot
visvis.cla()
visvis.clf()
visvis.plot(pixel_to_lamba.values(),
pixel_to_lamba.keys(),
ls=None,
ms='*',
mc='g',
mw=15)
visvis.plot(wavelengths[pixels_edges],
pixels_edges_num,
ls='-',
lc='r')
visvis.xlabel('wavelength (nm)')
visvis.ylabel('pulse shaper pixel')
visvis.legend(['measured', 'interpolated'])
self.fig.DrawNow()
################ Perform fitting of the phase masks #################
master_mask_fits = self.FitSpectralScans(master_mask_scans,
master_mask_voltage,
pixels_edges)
slave_mask_fits = self.FitSpectralScans(slave_mask_scans,
slave_mask_voltage,
pixels_edges)
################# Perform fitting of dispersion and phase functions #################
master_mask_TC_fitted, master_mask_scans, master_mask_disp_ph_curves = \
self.GetDispersionPhaseCurves (wavelengths, master_mask_scans, master_mask_voltage,
pixels_edges, master_mask_fits, pixel2lambda_func, pulse_shaper_pixel_num )
slave_mask_TC_fitted, slave_mask_scans, slave_mask_disp_ph_curves = \
self.GetDispersionPhaseCurves (wavelengths, slave_mask_scans, slave_mask_voltage,
pixels_edges, slave_mask_fits, pixel2lambda_func, pulse_shaper_pixel_num )
################ Saving fitting parameters ####################
#################################################################
# Save surface calibration
try:
del calibration_file["calibrated_surface"]
except KeyError:
pass
CalibratedSurfaceGroupe = calibration_file.create_group(
"calibrated_surface")
master_mask_calibrated_surface = CalibratedSurfaceGroupe.create_group(
"master_mask")
for key, value in master_mask_disp_ph_curves.items():
master_mask_calibrated_surface[key] = value
slave_mask_calibrated_surface = CalibratedSurfaceGroupe.create_group(
"slave_mask")
for key, value in slave_mask_disp_ph_curves.items():
slave_mask_calibrated_surface[key] = value
#################################################################
# Clear the group, if it exits
try:
del calibration_file["calibrated_pixels"]
except KeyError:
pass
# This group is self consistent, thus the redundancy in saved data (with respect to other group in the file)
CalibratedPixelsGroupe = calibration_file.create_group(
"calibrated_pixels")
CalibratedPixelsGroupe["pixels_edges"] = pixels_edges
# Finding spectral bounds for each pixel
pixels_spectral_bounds = zip(wavelengths[pixels_edges[:-1]],
wavelengths[pixels_edges[1:]])
# Pulse shaper pixel bounds
pixels_bounds = zip(pixels_edges_num[:-1], pixels_edges_num[1:])
PixelsGroup = CalibratedPixelsGroupe.create_group("pixels")
for pixel_num, master_mask_calibration, slave_mask_calibration, \
spectral_bound, pixel_bound in zip( range(len(master_mask_fits)), \
master_mask_fits, slave_mask_fits, pixels_spectral_bounds, pixels_bounds ) :
pixel = PixelsGroup.create_group("pixel_%d" % pixel_num)
pixel["spectral_bound"] = spectral_bound
pixel["pixel_bound"] = pixel_bound
# Saving fitted calibration data in the tabular form
pixel["voltage_master_mask"] = master_mask_calibration[0]
pixel["phase_master_mask"] = master_mask_calibration[1]
pixel["voltage_slave_mask"] = slave_mask_calibration[0]
pixel["phase_slave_mask"] = slave_mask_calibration[1]
################ Plotting results of calibration ####################
visvis.cla()
visvis.clf()
visvis.subplot(2, 2, 1)
visvis.imshow(master_mask_scans, cm=visvis.CM_JET)
visvis.title("Master mask (measured data)")
visvis.ylabel('voltage')
visvis.xlabel('wavelength (nm)')
visvis.subplot(2, 2, 3)
visvis.imshow(master_mask_TC_fitted, cm=visvis.CM_JET)
visvis.title("Master mask (fitted data)")
visvis.ylabel('voltage')
visvis.xlabel('wavelength (nm)')
visvis.subplot(2, 2, 2)
visvis.imshow(slave_mask_scans, cm=visvis.CM_JET)
visvis.title("Slave mask (measured data)")
visvis.ylabel('voltage')
visvis.xlabel('wavelength (nm)')
visvis.subplot(2, 2, 4)
visvis.imshow(slave_mask_TC_fitted, cm=visvis.CM_JET)
visvis.title("Slave mask (fitted data)")
visvis.ylabel('voltage')
visvis.xlabel('wavelength (nm)')
# Get axes
if not axes:
axes = vv.gca()
# Get figure
fig = axes.GetFigure()
if not fig:
return
# Init pointset, helper, and line object
line = vv.plot(Pointset(2), axes=axes, ms=ms, **kwargs)
pp = line._points
ginputHelper.Start(axes, pp, N)
# Enter a loop
while ginputHelper.axes:
fig._ProcessGuiEvents()
time.sleep(0.1)
# Remove line object and return points
pp = Pointset(pp[:, :2])
line.Destroy()
return pp
if __name__ == '__main__':
vv.cla()
vv.title('Selec three points.')
print(vv.ginput(3))
# Get axes
if not axes:
axes = vv.gca()
# Get figure
fig = axes.GetFigure()
if not fig:
return
# Init pointset, helper, and line object
line = vv.plot(Pointset(2), axes=axes, ms=ms, **kwargs)
pp = line._points
ginputHelper.Start(axes, pp, N)
# Enter a loop
while ginputHelper.axes:
fig._ProcessGuiEvents()
time.sleep(0.1)
# Remove line object and return points
pp = Pointset(pp[:,:2])
line.Destroy()
return pp
if __name__ == '__main__':
vv.cla()
vv.title('Selec three points.')
print(vv.ginput(3))
allcenterlinesv = AC.s_vessel.ppallCenterlines
# get seedpoints segmentations
s_modelvessel = loadmodel(basedir,
ptcode,
ctcode,
'prox',
modelname='modelvesselavgreg')
ppmodelvessel = points_from_nodes_in_graph(s_modelvessel.model)
s_model = loadmodel(basedir, ptcode, ctcode, 'prox', modelname='modelavgreg')
ppmodel = points_from_nodes_in_graph(s_model.model)
# Visualize
AC.a.MakeCurrent()
vv.cla() # clear vol otherwise plots not visible somehow
# seedpoints segmentations
vv.plot(ppmodelvessel, ms='.', ls='', alpha=0.6, mw=2)
vv.plot(ppmodel, ms='.', ls='', alpha=0.6, mw=2)
# stents
for j in range(len(stentsStartPoints)):
vv.plot(PointSet(list(stentsStartPoints[j])), ms='.', ls='', mc='g',
mw=20) # startpoint green
vv.plot(PointSet(list(stentsEndPoints[j])), ms='.', ls='', mc='r',
mw=20) # endpoint red
for j in range(len(allcenterlines)):
vv.plot(allcenterlines[j], ms='.', ls='', mw=10, mc='y')
# vessels
for j in range(len(vesselStartPoints)):
def AnalyzeTotalFluorescence(self, event=None):
"""
`analyse_button` was clicked
"""
# Get current settings
settings = self.GetSettings()
# Apply peak finding filter
signal = self.peak_finders[settings["peak_finder"]](
self.total_fluorescence)
# Scale to (0,1)
signal -= signal.min()
signal = signal / signal.max()
##########################################################################
# Partition signal into segments that are above the background noise
#signal = gaussian_filter(total_fluorescence, sigma=0.5)
background_cutoff = settings["background_cutoff"]
segments = [[]]
for num, is_segment in enumerate(signal > background_cutoff):
if is_segment:
# this index is in the segment
segments[-1].append(num)
elif len(segments[-1]
): # this condition is not to add empty segments
# Start new segments
segments.append([])
# Find peaks as weighted average of the segment
peaks = [
np.average(self.positions[S], weights=self.total_fluorescence[S])
for S in segments if len(S)
]
##########################################################################
# Saving the positions
self.chanel_positions_ctrl.SetValue(", ".join("%2.4f" % p
for p in peaks))
##########################################################################
# Plot acquired data
visvis.cla()
visvis.clf()
visvis.plot(self.positions, signal)
visvis.plot(peaks,
background_cutoff * np.ones(len(peaks)),
ls=None,
ms='+',
mc='r',
mw=20)
visvis.plot(
[self.positions.min(), self.positions.max()],
[background_cutoff, background_cutoff],
lc='r',
ls='--',
ms=None)
visvis.legend(["measured signal", "peaks found", "background cut-off"])
visvis.ylabel("total fluorescence")
visvis.xlabel('position (mm)')
def DoScannning (self, event) :
"""
Perform scanning of different phase mask
"""
# Create pseudonyms of necessary devices
self.DevSpectrometer = self.parent.Spectrometer.dev
self.DevPulseShaper = self.parent.PulseShaper.dev
self.DevSampleSwitcher = self.parent.SampleSwitcher.dev
# Save global settings and get the name of log file
self.log_filename = SaveSettings(SettingsNotebook=self.parent,
title="Select file to save phase mask scanning", filename="scanning_phase_mask.hdf5")
if self.log_filename is None : return
####################### Initiate devices #############################
# Initiate spectrometer
settings = self.parent.Spectrometer.GetSettings()
if self.DevSpectrometer.SetSettings(settings) == RETURN_FAIL : return
# Initiate pulse shaper
settings = self.parent.PulseShaper.GetSettings()
if self.DevPulseShaper.Initialize(settings) == RETURN_FAIL : return
# Get number of optimization variables
self.num_pixels = self.DevPulseShaper.GetParamNumber()
if self.num_pixels == RETURN_FAIL :
raise RuntimeError ("Optimization cannot be started since calibration file was not loaded")
# Initiate sample switcher
settings = self.parent.SampleSwitcher.GetSettings()
if self.DevSampleSwitcher.Initialize(settings) == RETURN_FAIL : return
# Saving the name of channels
odd_settings = self.GetSettings()
self.channels = sorted(eval( "(%s,)" % odd_settings["channels"] ))
if self.DevSampleSwitcher.GetChannelNum()-1 < max(self.channels) :
raise ValueError ("Error: Some channels specified are not accessible by sample switcher.")
# Check whether the background signal array is present
self.CheckBackground()
#####################################################################
# Get range of coefficient
coeff_range = np.linspace( odd_settings["coeff_min"], odd_settings["coeff_max"], odd_settings["coeff_num"] )
# List all polynomial coefficients
N = odd_settings["polynomial_order"]
poly_coeffs = np.zeros( (coeff_range.size*N, N+1) )
for n in range(1,N+1) :
poly_coeffs[(n-1)*coeff_range.size:n*coeff_range.size, n ] = coeff_range
# Chose max amplitude
max_ampl = odd_settings["max_ampl"]*np.ones(self.num_pixels)
# Arguments of the basis
X = np.linspace(-1., 1., self.num_pixels)
# Retrieve the basis type
polynomial_basis = self.polynomial_bases[ odd_settings["polynomial_basis"] ]
# Adjusting button's settings
button = event.GetEventObject()
button.SetLabel (button._stop_label)
button.SetBackgroundColour('red')
button.Bind( wx.EVT_BUTTON, button._stop_method)
self.need_abort = False
#####################################################################
# Start scanning
with h5py.File (self.log_filename, 'a') as log_file :
for channel in self.channels :
# Move to a selected channel
self.DevSampleSwitcher.MoveToChannel(channel)
# abort, if requested
wx.Yield()
if self.need_abort : break
# Looping over pulse shapes
for scan_num, coeff in enumerate(poly_coeffs) :
# Calculate new phase
phase = polynomial_basis(coeff)(X)
# Set the pulse shape
self.DevPulseShaper.SetAmplPhase(max_ampl, phase)
# Save phase in radians
ampl, phase = self.DevPulseShaper.GetUnwrappedAmplPhase(max_ampl, phase)
if scan_num == 0 :
# Initialize the array
phases_rad = np.zeros( (len(poly_coeffs), phase.size), dtype=phase.dtype )
amplitudes = np.zeros_like(phases_rad)
amplitudes[:] = ampl.min()
# Save phase
phases_rad[scan_num] = phase
amplitudes[scan_num] = ampl
# abort, if requested
wx.Yield()
if self.need_abort : break
# Get spectrum
spectrum = self.GetSampleSpectrum(channel)
# Vertical binning
spectrum = ( spectrum.sum(axis=0) if len(spectrum.shape) == 2 else spectrum )
if scan_num == 0 :
# Initialize the array
spectra = np.zeros( (len(poly_coeffs), spectrum.size), dtype=spectrum.dtype )
spectra[:] = spectrum.min()
# Save the spectrum
spectra[scan_num] = spectrum
# Display the currently acquired data
try :
spectra_2d_img.SetData(spectra)
phases_rad_2d_img.SetData( phases_rad%(2*np.pi) )
#amplitudes_2d_img.SetData( amplitudes )
except NameError :
visvis.cla(); visvis.clf()
visvis.subplot(121)
spectra_2d_img = visvis.imshow(spectra, cm=visvis.CM_JET)
visvis.ylabel ('scans'); visvis.xlabel ('wavelegth')
visvis.title("spectral scan")
visvis.subplot(122)
phases_rad_2d_img = visvis.imshow( phases_rad%(2*np.pi), cm=visvis.CM_JET)
visvis.title("phase shapes")
#visvis.subplot(133)
#amplitudes_2d_img = visvis.imshow(amplitudes, cm=visvis.CM_JET)
#visvis.title("amplitudes")
# Save the data for the given channel
try : del log_file[ str(channel) ]
except KeyError : pass
channel_grp = log_file.create_group( str(channel) )
channel_grp["spectra"] = spectra
channel_grp["phases_rad"] = phases_rad
channel_grp["amplitudes"] = amplitudes
channel_grp["poly_coeffs"] = poly_coeffs
# Readjust buttons settings
self.StopScannning(event)
def GetDeltaScan (self, event) :
"""
Measure spectra by varying parameter delta in reference phase mask
"""
# Create pseudonyms of necessary devices
self.DevSpectrometer = self.parent.Spectrometer.dev
self.DevPulseShaper = self.parent.PulseShaper.dev
####################### Initiate devices #############################
# Initiate spectrometer
settings = self.parent.Spectrometer.GetSettings()
if self.DevSpectrometer.SetSettings(settings) == RETURN_FAIL : return
# Initiate pulse shaper
settings = self.parent.PulseShaper.GetSettings()
if self.DevPulseShaper.Initialize(settings) == RETURN_FAIL : return
# Get number of optimization variables
self.num_pixels = self.DevPulseShaper.GetParamNumber()
if self.num_pixels == RETURN_FAIL :
raise RuntimeError ("Optimization cannot be started since calibration file was not loaded")
miips_settings = self.GetSettings()
#####################################################################
# Get range of coefficient
coeff_range = np.linspace( miips_settings["coeff_min"], miips_settings["coeff_max"], miips_settings["coeff_num"] )
# Get reference phase based on the corrections already obtained
reference_phase, X, polynomial_basis = self.GetReferencePhase(miips_settings)
# Get new polynomial
new_coeffs = np.zeros(miips_settings["polynomial_order"] + 1)
new_coeffs[-1] = 1
current_polynomial = polynomial_basis(new_coeffs)(X)
# Chose max amplitude
max_ampl = miips_settings["max_ampl"]*np.ones(self.num_pixels)
# Adjusting button's settings
button = event.GetEventObject()
button.SetLabel (button._stop_label)
button.SetBackgroundColour('red')
button.Bind( wx.EVT_BUTTON, button._stop_method)
self.need_abort = False
for scan_num, coeff in enumerate(coeff_range) :
# Get current phase mask
current_phase = coeff*current_polynomial
current_phase += reference_phase
# Check for consistency
current_phase %= 1
# Set the pulse shape
self.DevPulseShaper.SetAmplPhase(max_ampl, current_phase)
wx.Yield()
# abort, if requested
if self.need_abort : break
# Get spectrum
spectrum = self.DevSpectrometer.AcquiredData()
# Vertical binning
spectrum = ( spectrum.sum(axis=0) if len(spectrum.shape) == 2 else spectrum )
try : spectral_scans
except NameError :
# Allocate space for spectral scans
spectral_scans = np.zeros( (coeff_range.size, spectrum.size), dtype=spectrum.dtype )
# Save spectrum
spectral_scans[ scan_num ] = spectrum
# Display the currently acquired data
try : spectral_scan_2d_img.SetData(spectral_scans)
except NameError :
visvis.cla(); visvis.clf();
spectral_scan_2d_img = visvis.imshow(spectral_scans, cm=visvis.CM_JET)
visvis.ylabel ('coefficeints')
visvis.xlabel ('wavelegth')
#######################################################
# Get current wavelength
wavelength = self.DevSpectrometer.GetWavelengths()
# Adding the scan to log
self.scan_log.append( {
"spectral_scans" : spectral_scans,
"reference_phase" : reference_phase,
"current_polynomial": current_polynomial,
"coeff_range" : coeff_range,
"wavelength" : wavelength
} )
# Plotting fit
visvis.cla(); visvis.clf();
################ Find the value of coeff such that it maximizes the total intensity of SHG
# Method 1: use polynomial filter
# Ignored not scanned parameter
spectral_sum = spectral_scans.sum(axis=1)
indx = np.nonzero(spectral_sum > 0)
# Fit the total spectral intensity with chosen polynomials
spectral_sum_fit = polynomial_basis.fit(coeff_range[indx], spectral_sum[indx] , 10)
# Find extrema of the polynomial fit
opt_coeff = spectral_sum_fit.deriv().roots()
# Find maximum
fit_max_sum_val = opt_coeff[ np.argmax(spectral_sum_fit(opt_coeff)) ].real
print "\n\nOptimal value of the coefficient (using the polynomial fit) is ", fit_max_sum_val
# Method 2: Use Gaussian filter
# Smoothing spectral scans
filtered_spectral_scans = gaussian_filter(spectral_scans, (2, 0.5) )
gauss_max_sum_val = coeff_range[ np.argmax(filtered_spectral_scans.sum(axis=1)) ]
print "\nOptimal value of the coefficient (using the Gaussian filter) is ", gauss_max_sum_val
# If the difference between methods is great then use the Gaussian filter
if abs(gauss_max_sum_val - fit_max_sum_val)/np.abs([gauss_max_sum_val, fit_max_sum_val]).max() > 0.3 :
max_sum_val = gauss_max_sum_val
else :
max_sum_val = fit_max_sum_val
self.current_coeff_val.SetValue( max_sum_val )
filtered_spectral_scans[ np.searchsorted(coeff_range, max_sum_val) ][0:-1:2] = spectral_scans.min()
################ Plotting results ####################
#spectral_scan_2d_img.SetData(spectral_scans)
#spectral_scan_2d_img.SetClim( spectral_scans.min(), spectral_scans.max() )
visvis.subplot(121)
visvis.title("Raw spectral scans")
visvis.imshow(spectral_scans, cm=visvis.CM_JET)
visvis.ylabel ('coefficeints'); visvis.xlabel ('wavelegth')
visvis.subplot(122)
visvis.title("Finding maximum")
visvis.imshow(filtered_spectral_scans, cm=visvis.CM_JET)
visvis.ylabel ('coefficeints'); visvis.xlabel ('wavelegth')
# Readjust buttons settings
self.StopScannning(event)
def plot(self, engine='pyplot', iterations=None):
"""Plots the system using a specified render engine.
Needs compute_3d_vectrices() to be called before.
- engine: String for the render engine. Can be 'pyplot', 'plotly' or 'visvis'.
pyplot is the nicest because it supports antialiasing on translucent objects.
plotly is a way faster alternative that uses your web browser's render engine.
visvis is faster but a bit rough.
- iterations: Limits the plotting to this number of iterations.
If None, the whole system states will be plotted."""
engine = engine.lower()
if iterations is None:
iterations = self.iterations
elif iterations > self.iterations:
raise ValueError("Unable to plot %s out of %s iterations"
% (iterations, self.iterations))
if engine == 'visvis':
try:
import visvis as vv
except ImportError:
raise ImportError("visvis must be installed in order to use it."
"Try to 'pip install visvis' in a command line.")
app = vv.use()
fig = vv.clf()
ax = vv.cla()
elif engine == 'pyplot':
try:
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D
except ImportError:
raise ImportError("pyplot must be installed in order to use it."
"Try to 'pip install matplotlib' in a command line.")
fig = plt.figure(figsize=(32, 18), dpi=100)
ax = fig.gca(projection='3d')
ax.set_axis_off()
elif engine == 'plotly':
try:
import plotly as pl
from plotly.graph_objs import Scatter3d, Layout, Scene, Figure
except ImportError:
raise ImportError("plotly must be installed in order to use it."
"Try to 'pip install plotly' in a command line.")
data = []
layout = Layout(
scene = Scene(
xaxis=dict(
visible = False,
autorange = True,
),
yaxis=dict(
visible = False,
autorange = True,
),
zaxis=dict(
visible = False,
autorange = True,
)
),
margin=dict(
r=0, l=0,
b=0, t=0
),
showlegend = False,
hovermode = False
)
else:
raise ValueError("%s is not a supported render engine." % engine)
rings = self.rings[:iterations]
for i, ring in enumerate(rings):
color = self.cmap(i, 0, len(self.rings) / 2, 1)
if engine == 'visvis':
vv.plot(*ring, lc=color, mw=0, alpha=.2)
elif engine == 'pyplot':
ax.plot(*ring, c=color+(.4,)) # Adding alpha as (r, g, b, a)
else:
data.append(Scatter3d(
x = ring[0],
y = ring[1],
z = ring[2],
mode = 'lines',
opacity = .3,
line = dict(
color = ("rgb(%s,%s,%s)" % tuple([int(x*255) for x in color])),
width = 3)
))
curves = [curve[:iterations] for curve in self.curves]
for curve in curves:
if engine == 'visvis':
vv.plot(*curve, lc='k', mw=0, lw=2)
elif engine == 'pyplot':
ax.plot(*curve, c=(0, 0, 0, .8))
else:
data.append(Scatter3d(
x = curve[0],
y = curve[1],
z = curve[2],
mode = 'lines',
line = dict(
color = ("rgb(0, 0, 0)"),
width = 4)
))
if engine == 'visvis':
ax = vv.gca()
app.Run()
elif engine == 'pyplot':
fig.tight_layout()
# plt.draw()
mng = plt.get_current_fig_manager()
mng.full_screen_toggle()
plt.show()
else:
fig = Figure(data=data, layout=layout)
# pl.plot(fig, filename='3d-scatter-with-axes-titles')
pl.offline.plot(fig)
return
def ExtractPhaseFunc (self, event=None, filename=None) :
"""
This function is the last stage of calibration,
when measured data is mathematically processed to obtain the calibration curves.
"""
# If filename is not specified, open the file dialogue
if filename is None :
filename = self.LoadSettings (title="Load calibration file...")
# Update the name of pulse shaper calibration file
import os
self.SettingsNotebook.PulseShaper.SetSettings({"calibration_file_name" : os.path.abspath(filename)})
visvis.clf()
# Loading the file calibration file
with h5py.File(filename, 'a') as calibration_file :
############### Loading data ####################
wavelengths = calibration_file["calibration_settings/wavelengths"][...]
fixed_voltage = calibration_file["calibration_settings/fixed_voltage"][...]
pulse_shaper_pixel_num = calibration_file["calibration_settings/pulse_shaper_pixel_num"][...]
initial_pixel = calibration_file["settings/CalibrateShaper/initial_pixel"][...]
final_pixel = calibration_file["settings/CalibrateShaper/final_pixel"][...]
pixel_bundle_width = calibration_file["settings/CalibrateShaper/pixel_bundle_width"][...]
pixel_to_lamba = str(calibration_file["settings/CalibrateShaper/pixel_to_lamba"][...])
# Convert to dict
pixel_to_lamba = eval( "{%s}" % pixel_to_lamba )
# Loading scans of slave and masker masks
master_mask_scans = []; slave_mask_scans = []
for key, spectrum in calibration_file["spectra_from_uniform_masks"].items() :
master_volt, slave_volt = map(int, key.split('_')[-2:])
if master_volt == fixed_voltage : slave_mask_scans.append( (slave_volt, spectrum[...]) )
if slave_volt == fixed_voltage : master_mask_scans.append( (master_volt, spectrum[...]) )
# Sort by voltage
master_mask_scans.sort(); slave_mask_scans.sort()
# Extract spectral scans and voltages for each mask
master_mask_voltage, master_mask_scans = zip(*master_mask_scans)
master_mask_voltage = np.array(master_mask_voltage); master_mask_scans = np.array(master_mask_scans)
slave_mask_voltage, slave_mask_scans = zip(*slave_mask_scans)
slave_mask_voltage = np.array(slave_mask_voltage); slave_mask_scans = np.array(slave_mask_scans)
################### Find the edges of pixels #################
# function that converts pixel number to pulse shaper
# `pixel_to_lamba` is a dictionary with key = pixel, value = lambda
deg = 1 #min(1,len(pixel_to_lamba)-1)
print np.polyfit(pixel_to_lamba.keys(), pixel_to_lamba.values(), 1 )
pixel2lambda_func = np.poly1d( np.polyfit(pixel_to_lamba.keys(), pixel_to_lamba.values(), deg=deg ) )
#lambda2pixel_func = np.poly1d( np.polyfit(pixel_to_lamba.values(), pixel_to_lamba.keys(), deg=deg ) )
# Get pixels_edges in shaper pixels
pixels_edges_num = np.arange(initial_pixel, final_pixel, pixel_bundle_width)
if pixels_edges_num[-1] < final_pixel :
pixels_edges_num = np.append( pixels_edges_num, [final_pixel])
# Get pixels_edges in logical_pixel_lambda
pixels_edges = pixel2lambda_func(pixels_edges_num)
# Get pixels_edges in positions of the spectrometer spectra
pixels_edges = np.abs(wavelengths - pixels_edges[:,np.newaxis]).argmin(axis=1)
# Sorting
indx = np.argsort(pixels_edges)
pixels_edges = pixels_edges[indx]
pixels_edges_num = pixels_edges_num[indx]
# Plot
visvis.cla(); visvis.clf()
visvis.plot( pixel_to_lamba.values(), pixel_to_lamba.keys(), ls=None, ms='*', mc='g', mw=15)
visvis.plot ( wavelengths[pixels_edges], pixels_edges_num, ls='-',lc='r')
visvis.xlabel('wavelength (nm)')
visvis.ylabel ('pulse shaper pixel')
visvis.legend( ['measured', 'interpolated'])
self.fig.DrawNow()
################ Perform fitting of the phase masks #################
master_mask_fits = self.FitSpectralScans( master_mask_scans, master_mask_voltage, pixels_edges )
slave_mask_fits = self.FitSpectralScans( slave_mask_scans, slave_mask_voltage, pixels_edges )
################# Perform fitting of dispersion and phase functions #################
master_mask_TC_fitted, master_mask_scans, master_mask_disp_ph_curves = \
self.GetDispersionPhaseCurves (wavelengths, master_mask_scans, master_mask_voltage,
pixels_edges, master_mask_fits, pixel2lambda_func, pulse_shaper_pixel_num )
slave_mask_TC_fitted, slave_mask_scans, slave_mask_disp_ph_curves = \
self.GetDispersionPhaseCurves (wavelengths, slave_mask_scans, slave_mask_voltage,
pixels_edges, slave_mask_fits, pixel2lambda_func, pulse_shaper_pixel_num )
################ Saving fitting parameters ####################
#################################################################
# Save surface calibration
try : del calibration_file["calibrated_surface"]
except KeyError : pass
CalibratedSurfaceGroupe = calibration_file.create_group("calibrated_surface")
master_mask_calibrated_surface = CalibratedSurfaceGroupe.create_group("master_mask")
for key, value in master_mask_disp_ph_curves.items() :
master_mask_calibrated_surface[key] = value
slave_mask_calibrated_surface = CalibratedSurfaceGroupe.create_group("slave_mask")
for key, value in slave_mask_disp_ph_curves.items() :
slave_mask_calibrated_surface[key] = value
#################################################################
# Clear the group, if it exits
try : del calibration_file["calibrated_pixels"]
except KeyError : pass
# This group is self consistent, thus the redundancy in saved data (with respect to other group in the file)
CalibratedPixelsGroupe = calibration_file.create_group ("calibrated_pixels")
CalibratedPixelsGroupe["pixels_edges"] = pixels_edges
# Finding spectral bounds for each pixel
pixels_spectral_bounds = zip( wavelengths[pixels_edges[:-1]], wavelengths[pixels_edges[1:]] )
# Pulse shaper pixel bounds
pixels_bounds = zip(pixels_edges_num[:-1], pixels_edges_num[1:])
PixelsGroup = CalibratedPixelsGroupe.create_group("pixels")
for pixel_num, master_mask_calibration, slave_mask_calibration, \
spectral_bound, pixel_bound in zip( range(len(master_mask_fits)), \
master_mask_fits, slave_mask_fits, pixels_spectral_bounds, pixels_bounds ) :
pixel = PixelsGroup.create_group("pixel_%d" % pixel_num)
pixel["spectral_bound"] = spectral_bound
pixel["pixel_bound"] = pixel_bound
# Saving fitted calibration data in the tabular form
pixel["voltage_master_mask"] = master_mask_calibration[0]
pixel["phase_master_mask"] = master_mask_calibration[1]
pixel["voltage_slave_mask"] = slave_mask_calibration[0]
pixel["phase_slave_mask"] = slave_mask_calibration[1]
################ Plotting results of calibration ####################
visvis.cla(); visvis.clf();
visvis.subplot(2,2,1)
visvis.imshow( master_mask_scans, cm=visvis.CM_JET )
visvis.title ("Master mask (measured data)")
visvis.ylabel ('voltage'); visvis.xlabel ('wavelength (nm)')
visvis.subplot(2,2,3)
visvis.imshow( master_mask_TC_fitted, cm=visvis.CM_JET )
visvis.title ("Master mask (fitted data)")
visvis.ylabel ('voltage'); visvis.xlabel ('wavelength (nm)')
visvis.subplot(2,2,2)
visvis.imshow( slave_mask_scans, cm=visvis.CM_JET )
visvis.title ("Slave mask (measured data)")
visvis.ylabel ('voltage'); visvis.xlabel ('wavelength (nm)')
visvis.subplot(2,2,4)
visvis.imshow( slave_mask_TC_fitted, cm=visvis.CM_JET )
visvis.title ("Slave mask (fitted data)")
visvis.ylabel ('voltage'); visvis.xlabel ('wavelength (nm)')