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"""""" |
self.rasterBottom = lims[0] |
self.rasterTop = lims[1] |
self.updateRasterBounds()" |
26,"def updateRasterBounds(self): |
""""""Updates the y-coordinate slots where the raster points |
are plotted, according to the current limits of the y-axis"""""" |
yrange = self.viewRange()[1] |
yrange_size = yrange[1] - yrange[0] |
rmax = self.rasterTop*yrange_size + yrange[0] |
rmin = self.rasterBottom*yrange_size + yrange[0] |
self.rasterYslots = np.linspace(rmin, rmax, self.nreps) |
self.rasterBoundsUpdated.emit((self.rasterBottom, self.rasterTop), self.getTitle())" |
27,"def askRasterBounds(self): |
""""""Prompts the user to provide the raster bounds with a dialog. |
Saves the bounds to be applied to the plot"""""" |
dlg = RasterBoundsDialog(bounds= (self.rasterBottom, self.rasterTop)) |
if dlg.exec_(): |
bounds = dlg.values() |
self.setRasterBounds(bounds)" |
28,"def rangeChange(self, pw, ranges): |
""""""Adjusts the stimulus signal to keep it at the top of a plot, |
after any ajustment to the axes ranges takes place. |
This is a slot for the undocumented pyqtgraph signal sigRangeChanged. |
From what I can tell the arguments are: |
:param pw: reference to the emitting object (plot widget in my case) |
:type pw: object |
:param ranges: I am only interested when this turns out to be a nested list of axis bounds |
:type ranges: object |
"""""" |
if hasattr(ranges, '__iter__'): |
# adjust the stim signal so that it falls in the correct range |
yrange_size = ranges[1][1] - ranges[1][0] |
stim_x, stim_y = self.stimPlot.getData() |
if stim_y is not None: |
stim_height = yrange_size*STIM_HEIGHT |
# take it to 0 |
stim_y = stim_y - np.amin(stim_y) |
# normalize |
if np.amax(stim_y) != 0: |
stim_y = stim_y/np.amax(stim_y) |
# scale for new size |
stim_y = stim_y*stim_height |
# raise to right place in plot |
stim_y = stim_y + (ranges[1][1] - (stim_height*1.1 + (stim_height*0.2))) |
self.stimPlot.setData(stim_x, stim_y) |
# rmax = self.rasterTop*yrange_size + ranges[1][0] |
# rmin = self.rasterBottom*yrange_size + ranges[1][0] |
self.updateRasterBounds()" |
29,"def update_thresh(self): |
""""""Emits a Qt signal thresholdUpdated with the current threshold value"""""" |
thresh_val = self.threshLine.value() |
self.threshold_field.setValue(thresh_val) |
self.thresholdUpdated.emit(thresh_val, self.getTitle())" |
30,"def fromFile(self, fname): |
""""""Displays a spectrogram of an audio file. Supported formats see :func:`sparkle.tools.audiotools.audioread` |
:param fname: file path of the audiofile to display |
:type fname: str |
:returns: float -- duration of audio recording (seconds) |
"""""" |
spec, f, bins, dur = audiotools.spectrogram(fname, **self.specgramArgs) |
self.updateImage(spec, bins, f) |
return dur" |
31,"def updateImage(self, imgdata, xaxis=None, yaxis=None): |
""""""Updates the Widget image directly. |
:type imgdata: numpy.ndarray, see :meth:`pyqtgraph:pyqtgraph.ImageItem.setImage` |
:param xaxis: x-axis values, length should match dimension 1 of imgdata |
:param yaxis: y-axis values, length should match dimension 0 of imgdata |
"""""" |
imgdata = imgdata.T |
self.img.setImage(imgdata) |
if xaxis is not None and yaxis is not None: |
xscale = 1.0/(imgdata.shape[0]/xaxis[-1]) |
yscale = 1.0/(imgdata.shape[1]/yaxis[-1]) |
self.resetScale() |
self.img.scale(xscale, yscale) |
self.imgScale = (xscale, yscale) |
self.imageArray = np.fliplr(imgdata) |
self.updateColormap()" |
32,"def resetScale(self): |
""""""Resets the scale on this image. Correctly aligns time scale, undoes manual scaling"""""" |
self.img.scale(1./self.imgScale[0], 1./self.imgScale[1]) |
self.imgScale = (1.,1.)" |
33,"def updateData(self, signal, fs): |
""""""Displays a spectrogram of the provided signal |
:param signal: 1-D signal of audio |
:type signal: numpy.ndarray |
:param fs: samplerate of signal |
:type fs: int |
"""""" |
# use a separate thread to calculate spectrogram so UI doesn't lag |
t = threading.Thread(target=_doSpectrogram, args=(self.spec_done, (fs, signal),), kwargs=self.specgramArgs) |
t.start()" |
34,"def setSpecArgs(**kwargs): |
""""""Sets optional arguments for the spectrogram appearance. |
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