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