def __init__(self, parent):
super(ImagePlot, self).__init__(parent)
self.verticalScaleDivision = ScaleDivision(20, 20000, 100)
self.verticalScaleTransform = CoordinateTransform(20, 20000, 100, 0, 0)
self.verticalScale = VerticalScaleWidget(self,
self.verticalScaleDivision,
self.verticalScaleTransform)
self.verticalScale.setTitle("Note") #("Frequency (Hz)")
self.verticalScale.scaleBar.setTickFormatter(tickFormatter)
self.horizontalScaleDivision = ScaleDivision(0, 10, 100)
self.horizontalScaleTransform = CoordinateTransform(0, 10, 100, 0, 0)
self.horizontalScale = HorizontalScaleWidget(
self, self.horizontalScaleDivision, self.horizontalScaleTransform)
self.horizontalScale.setTitle("Time (s)")
self.colorScaleDivision = ScaleDivision(-140, 0, 100)
self.colorScaleTransform = CoordinateTransform(-140, 0, 100, 0, 0)
self.colorScale = ColorScaleWidget(self, self.colorScaleDivision,
self.colorScaleTransform)
self.colorScale.setTitle("PSD (dB A)")
self.canvasWidget = CanvasWidget(self, self.verticalScaleTransform,
self.horizontalScaleTransform)
#self.canvasWidget.setTrackerFormatter(lambda x, y: "%.2f s, %d Hz" % (x, y))
self.canvasWidget.setTrackerFormatter(TrackerFormatter)
plotLayout = QtWidgets.QGridLayout()
plotLayout.setSpacing(0)
plotLayout.setContentsMargins(0, 0, 0, 0)
#plotLayout.addWidget(self.verticalScale, 0, 0)
#plotLayout.addWidget(self.canvasWidget, 0, 1)
#plotLayout.addWidget(self.colorScale, 0, 2)
#plotLayout.addWidget(self.horizontalScale, 1, 1)
plotLayout.addWidget(self.colorScale, 0, 0)
plotLayout.addWidget(self.canvasWidget, 0, 1)
plotLayout.addWidget(self.verticalScale, 0, 2)
plotLayout.addWidget(self.horizontalScale, 1, 1)
self.setLayout(plotLayout)
self.needfullreplot = False
# attach a plot image
self.plotImage = PlotImage()
self.canvasWidget.attach(self.plotImage)
self.setlinfreqscale()
self.setspecrange(-140., 0.)
# need to replot here for the size Hints to be computed correctly (depending on axis scales...)
self.update()
def __init__(self, parent, logger):
super(HistPlot, self).__init__()
# store the logger instance
self.logger = logger
self.verticalScaleDivision = ScaleDivision(-140, 0, 100)
self.verticalScaleTransform = CoordinateTransform(-140, 0, 100, 0, 0)
self.verticalScale = VerticalScaleWidget(self,
self.verticalScaleDivision,
self.verticalScaleTransform)
self.verticalScale.setTitle("PSD (dB A)")
self.horizontalScaleDivision = ScaleDivision(44, 22000, 100)
self.horizontalScaleTransform = CoordinateTransform(
44, 22000, 100, 0, 0)
self.horizontalScale = HorizontalScaleWidget(
self, self.horizontalScaleDivision, self.horizontalScaleTransform)
self.horizontalScale.setTitle("Frequency (Hz)")
self.canvasWidget = CanvasWidget(self, self.verticalScaleTransform,
self.horizontalScaleTransform)
self.canvasWidget.setTrackerFormatter(lambda x, y: "%d Hz, %.1f dB" %
(x, y))
plotLayout = QtWidgets.QGridLayout()
plotLayout.setSpacing(0)
plotLayout.setContentsMargins(0, 0, 0, 0)
plotLayout.addWidget(self.verticalScale, 0, 0)
plotLayout.addWidget(self.canvasWidget, 0, 1)
plotLayout.addWidget(self.horizontalScale, 1, 1)
self.setLayout(plotLayout)
self.needfullreplot = False
self.horizontalScaleTransform.setLogarithmic()
self.horizontalScaleDivision.setLogarithmic()
# insert an additional plot item for the peak bar
self.bar_peak = HistogramPeakBarItem()
self.canvasWidget.attach(self.bar_peak)
self.peak = zeros((1, ))
self.peak_int = 0
self.peak_decay = PEAK_DECAY_RATE
self.histogram = HistogramItem()
self.histogram.setColor(Qt.Qt.darkGreen)
self.canvasWidget.attach(self.histogram)
#need to replot here for the size Hints to be computed correctly (depending on axis scales...)
self.update()
