def setdata(self, x, y):
if self.canvas_width <> self.cached_canvas.width():
self.logger.push("spectplot : changed canvas width")
self.canvas_width = self.cached_canvas.width()
self.update_xscale()
if self.xmax <> x[-1]:
self.logger.push("spectplot : changing x scale")
self.xmax = x[-1]
self.update_xscale()
self.needfullreplot = True
y_interp = interp(self.xscaled, x, y)
#upsampling = 10.
#upsampled_freq = linspace(x.min(), x.max(), len(x)*upsampling)
#upsampled_xyzs = y.repeat(upsampling)
#y_interp = histogram(upsampled_freq, bins=self.xscaled, normed=False, weights=upsampled_xyzs, new=None)[0]
#y_interp /= upsampling
ClassPlot.setdata(self, self.xscaled, y_interp)
if self.peaks_enabled:
self.compute_peaks(y_interp)
self.curve_peak.setData(self.xscaled, self.peak)
if self.needfullreplot:
self.needfullreplot = False
self.replot()
else:
# self.replot() would call updateAxes() which is dead slow (probably because it
# computes label sizes); instead, let's just ask Qt to repaint the canvas next time
# This works because we disable the cache
self.cached_canvas.update()
def setdataTwoChannels(self, x, y, y2):
if self.canvas_width <> self.cached_canvas.width():
self.logger.push("timeplot : changed canvas width")
self.canvas_width = self.cached_canvas.width()
self.update_xscale()
if not self.dual_channel:
self.dual_channel = True
self.curve2.attach(self)
# enable the legend
# (to discrimate between the two channels)
self.insertLegend(Qwt.QwtLegend(), Qwt.QwtPlot.RightLegend)
x_ms = 1e3*x
needfullreplot = False
if self.xmax <> x_ms[-1]:
self.logger.push("timeplot : changing x scale")
self.xmax = x_ms[-1]
self.setAxisScale(Qwt.QwtPlot.xBottom, 0., self.xmax)
self.update_xscale()
needfullreplot = True
y_interp = interp(self.xscaled, x_ms, y)
y_interp2 = interp(self.xscaled, x_ms, y2)
ClassPlot.setdata(self, self.xscaled, y_interp)
self.curve2.setData(self.xscaled, y_interp2)
if needfullreplot:
self.replot()
else:
# self.replot() would call updateAxes() which is dead slow (probably because it
# computes label sizes); instead, let's just ask Qt to repaint the canvas next time
# This works because we disable the cache
self.cached_canvas.update()
def setdata(self, x, y):
if self.canvas_width <> self.cached_canvas.width():
self.logger.push("timeplot : changed canvas width")
self.canvas_width = self.cached_canvas.width()
self.update_xscale()
if self.dual_channel:
self.dual_channel = False
self.curve2.detach()
# disable the legend
# (useless when one channel is active)
self.insertLegend(None, Qwt.QwtPlot.RightLegend)
x_ms = 1e3*x
needfullreplot = False
if self.xmax <> x_ms[-1]:
self.logger.push("timeplot : changing x scale")
self.xmax = x_ms[-1]
self.setAxisScale(Qwt.QwtPlot.xBottom, 0., self.xmax)
self.update_xscale()
needfullreplot = True
y_interp = interp(self.xscaled, x_ms, y)
ClassPlot.setdata(self, self.xscaled, y_interp)
if needfullreplot:
self.replot()
else:
# self.replot() would call updateAxes() which is dead slow (probably because it
# computes label sizes); instead, let's just ask Qt to repaint the canvas next time
# This works because we disable the cache
self.cached_canvas.update()
def setdata(self, x, y):
if self.canvas_width <> self.cached_canvas.width():
self.logger.push("spectplot : changed canvas width")
self.canvas_width = self.cached_canvas.width()
self.update_xscale()
if self.xmax <> x[-1]:
self.logger.push("spectplot : changing x scale")
self.xmax = x[-1]
self.update_xscale()
self.needfullreplot = True
y_interp = interp(self.xscaled, x, y)
#upsampling = 10.
#upsampled_freq = linspace(x.min(), x.max(), len(x)*upsampling)
#upsampled_xyzs = y.repeat(upsampling)
#y_interp = histogram(upsampled_freq, bins=self.xscaled, normed=False, weights=upsampled_xyzs, new=None)[0]
#y_interp /= upsampling
ClassPlot.setdata(self, self.xscaled, y_interp)
if self.peaks_enabled:
self.compute_peaks(y_interp)
self.curve_peak.setData(self.xscaled, self.peak)
if self.needfullreplot:
self.needfullreplot = False
self.replot()
else:
# self.replot() would call updateAxes() which is dead slow (probably because it
# computes label sizes); instead, let's just ask Qt to repaint the canvas next time
# This works because we disable the cache
self.cached_canvas.update()
def __init__(self, parent, logger):
ClassPlot.__init__(self)
# store the logger instance
self.logger = logger
# we do not need caching
self.canvas().setPaintAttribute(Qwt.QwtPlotCanvas.PaintCached, False)
self.canvas().setPaintAttribute(Qwt.QwtPlotCanvas.PaintPacked, False)
# attach a grid
grid = Qwt.QwtPlotGrid()
grid.setMajPen(Qt.QPen(Qt.Qt.lightGray))
grid.attach(self)
xtitle = Qwt.QwtText('Time (ms)')
xtitle.setFont(QtGui.QFont(8))
self.setAxisTitle(Qwt.QwtPlot.xBottom, xtitle)
self.setAxisScale(Qwt.QwtPlot.yLeft, -1., 1.)
# self.setAxisTitle(Qwt.QwtPlot.xBottom, 'Time (ms)')
self.xmin = 0.
self.xmax = 1.
ytitle = Qwt.QwtText('Signal')
ytitle.setFont(QtGui.QFont(8))
self.setAxisTitle(Qwt.QwtPlot.yLeft, ytitle)
# self.setAxisTitle(Qwt.QwtPlot.yLeft, 'Signal')
self.setAxisScale(Qwt.QwtPlot.yLeft, -1., 1.)
self.setAxisScaleEngine(Qwt.QwtPlot.xBottom, Qwt.QwtLinearScaleEngine())
self.paint_time = 0.
self.canvas_width = 0
self.dual_channel = False
# insert an additional curve for the second channel
# (ClassPlot already has one by default)
self.curve2 = Qwt.QwtPlotCurve("Ch2")
self.curve2.setPen(QtGui.QPen(Qt.Qt.blue))
#self.curve.setRenderHint(Qwt.QwtPlotItem.RenderAntialiased)
#self.curve2.attach(self)
# gives an appropriate title to the first curve
# (for the legend)
self.curve.setTitle("Ch1")
# picker used to display coordinates when clicking on the canvas
self.picker = picker(Qwt.QwtPlot.xBottom,
Qwt.QwtPlot.yLeft,
Qwt.QwtPicker.PointSelection,
Qwt.QwtPlotPicker.CrossRubberBand,
Qwt.QwtPicker.ActiveOnly,
self.canvas())
self.cached_canvas = self.canvas()
#need to replot here for the size Hints to be computed correctly (depending on axis scales...)
self.replot()
def __init__(self, parent, logger):
ClassPlot.__init__(self)
# store the logger instance
self.logger = logger
# we do not need caching
self.canvas().setPaintAttribute(Qwt.QwtPlotCanvas.PaintCached, False)
self.canvas().setPaintAttribute(Qwt.QwtPlotCanvas.PaintPacked, False)
# attach a grid
grid = Qwt.QwtPlotGrid()
grid.setMajPen(Qt.QPen(Qt.Qt.lightGray))
grid.attach(self)
xtitle = Qwt.QwtText('Time (ms)')
xtitle.setFont(QtGui.QFont(8))
self.setAxisTitle(Qwt.QwtPlot.xBottom, xtitle)
# self.setAxisTitle(Qwt.QwtPlot.xBottom, 'Time (ms)')
ytitle = Qwt.QwtText('Signal')
ytitle.setFont(QtGui.QFont(8))
self.setAxisTitle(Qwt.QwtPlot.yLeft, ytitle)
# self.setAxisTitle(Qwt.QwtPlot.yLeft, 'Signal')
self.setAxisScale(Qwt.QwtPlot.yLeft, -1., 1.)
self.setAxisScaleEngine(Qwt.QwtPlot.xBottom, Qwt.QwtLinearScaleEngine())
self.xmax = 0
self.paint_time = 0.
self.canvas_width = 0
self.dual_channel = False
# insert an additional curve for the second channel
# (ClassPlot already has one by default)
self.curve2 = Qwt.QwtPlotCurve("Ch2")
self.curve2.setPen(QtGui.QPen(Qt.Qt.blue))
#self.curve.setRenderHint(Qwt.QwtPlotItem.RenderAntialiased)
#self.curve2.attach(self)
# gives an appropriate title to the first curve
# (for the legend)
self.curve.setTitle("Ch1")
# picker used to display coordinates when clicking on the canvas
self.picker = picker(Qwt.QwtPlot.xBottom,
Qwt.QwtPlot.yLeft,
Qwt.QwtPicker.PointSelection,
Qwt.QwtPlotPicker.CrossRubberBand,
Qwt.QwtPicker.ActiveOnly,
self.canvas())
self.cached_canvas = self.canvas()
#need to replot here for the size Hints to be computed correctly (depending on axis scales...)
self.replot()
def __init__(self, parent, logger):
ClassPlot.__init__(self)
# store the logger instance
self.logger = logger
# we do not need caching
self.canvas().setPaintAttribute(Qwt.QwtPlotCanvas.PaintCached, False)
self.canvas().setPaintAttribute(Qwt.QwtPlotCanvas.PaintPacked, False)
self.ymin = -140.
self.setAxisScale(Qwt.QwtPlot.yLeft, self.ymin, 0.)
self.baseline_transformed = False
self.baseline = 0.
self.curve.setBaseline(self.ymin)
xtitle = Qwt.QwtText('Frequency (Hz)')
xtitle.setFont(QtGui.QFont(8))
self.setAxisTitle(Qwt.QwtPlot.xBottom, xtitle)
# self.setAxisTitle(Qwt.QwtPlot.xBottom, 'Frequency (Hz)')
ytitle = Qwt.QwtText('PSD (dB A)')
ytitle.setFont(QtGui.QFont(8))
self.setAxisTitle(Qwt.QwtPlot.yLeft, ytitle)
# self.setAxisTitle(Qwt.QwtPlot.yLeft, 'PSD (dB)')
# attach a grid
grid = Qwt.QwtPlotGrid()
grid.enableXMin(True)
grid.setMajPen(Qt.QPen(Qt.QPen(Qt.Qt.gray)))
grid.setMinPen(Qt.QPen(Qt.QPen(Qt.Qt.lightGray)))
grid.setZ(1000.)
grid.attach(self)
self.xmax = 0
self.needfullreplot = False
self.canvas_width = 0
self.logfreqscale = False
self.setfreqrange(20., 20000.)
self.setlinfreqscale()
self.setAxisScaleDraw(Qwt.QwtPlot.xBottom, FreqScaleDraw())
self.paint_time = 0.
# picker used to display coordinates when clicking on the canvas
self.picker = picker(Qwt.QwtPlot.xBottom,
Qwt.QwtPlot.yLeft,
Qwt.QwtPicker.PointSelection,
Qwt.QwtPlotPicker.CrossRubberBand,
Qwt.QwtPicker.ActiveOnly,
self.canvas())
# insert an additional curve for the peak
self.curve_peak = Qwt.QwtPlotCurve()
#self.curve_peak.setPen(QtGui.QPen(Qt.Qt.blue))
self.curve_peak.setPen(Qt.QColor("#FF9000")) #dark orange
#self.curve_peak.setRenderHint(Qwt.QwtPlotItem.RenderAntialiased)
#self.curve_peak.setPen(QtGui.QPen(Qt.Qt.NoPen))
#self.curve_peak.setBrush(Qt.Qt.blue)
self.curve_peak.attach(self)
self.peak = zeros((1,))
self.peakHold = 0
self.peakDecay = PEAK_DECAY_RATE
self.peaks_enabled = True
# fill under the curve
#self.curve.setBrush(Qt.QColor(255,0,190))
#self.curve.setBrush(Qt.Qt.red)
self.curve.setBrush(Qt.QColor("#057D9F")) #some sort of blue
#self.curve.setPen(Qt.QColor(255,0,0,0))
#self.curve.setPen(QtGui.QPen(Qt.Qt.red))
self.curve.setPen(QtGui.QPen(Qt.Qt.NoPen))
#self.curve.setRenderHint(Qwt.QwtPlotItem.RenderAntialiased)
self.cached_canvas = self.canvas()
#need to replot here for the size Hints to be computed correctly (depending on axis scales...)
self.replot()
def __init__(self, parent, logger):
ClassPlot.__init__(self)
# store the logger instance
self.logger = logger
# we do not need caching
self.canvas().setPaintAttribute(Qwt.QwtPlotCanvas.PaintCached, False)
self.canvas().setPaintAttribute(Qwt.QwtPlotCanvas.PaintPacked, False)
self.ymin = -140.
self.setAxisScale(Qwt.QwtPlot.yLeft, self.ymin, 0.)
self.baseline_transformed = False
self.baseline = 0.
self.curve.setBaseline(self.ymin)
xtitle = Qwt.QwtText('Frequency (Hz)')
xtitle.setFont(QtGui.QFont(8))
self.setAxisTitle(Qwt.QwtPlot.xBottom, xtitle)
# self.setAxisTitle(Qwt.QwtPlot.xBottom, 'Frequency (Hz)')
ytitle = Qwt.QwtText('PSD (dB A)')
ytitle.setFont(QtGui.QFont(8))
self.setAxisTitle(Qwt.QwtPlot.yLeft, ytitle)
# self.setAxisTitle(Qwt.QwtPlot.yLeft, 'PSD (dB)')
# attach a grid
grid = Qwt.QwtPlotGrid()
grid.enableXMin(True)
grid.setMajPen(Qt.QPen(Qt.QPen(Qt.Qt.gray)))
grid.setMinPen(Qt.QPen(Qt.QPen(Qt.Qt.lightGray)))
grid.setZ(1000.)
grid.attach(self)
self.xmax = 0
self.needfullreplot = False
self.canvas_width = 0
self.logfreqscale = False
self.setfreqrange(20., 20000.)
self.setlinfreqscale()
self.setAxisScaleDraw(Qwt.QwtPlot.xBottom, FreqScaleDraw())
self.paint_time = 0.
# picker used to display coordinates when clicking on the canvas
self.picker = picker(Qwt.QwtPlot.xBottom, Qwt.QwtPlot.yLeft,
Qwt.QwtPicker.PointSelection,
Qwt.QwtPlotPicker.CrossRubberBand,
Qwt.QwtPicker.ActiveOnly, self.canvas())
# insert an additional curve for the peak
self.curve_peak = Qwt.QwtPlotCurve()
#self.curve_peak.setPen(QtGui.QPen(Qt.Qt.blue))
self.curve_peak.setPen(Qt.QColor("#FF9000")) #dark orange
#self.curve_peak.setRenderHint(Qwt.QwtPlotItem.RenderAntialiased)
#self.curve_peak.setPen(QtGui.QPen(Qt.Qt.NoPen))
#self.curve_peak.setBrush(Qt.Qt.blue)
self.curve_peak.attach(self)
self.peak = zeros((1, ))
self.peakHold = 0
self.peakDecay = PEAK_DECAY_RATE
self.peaks_enabled = True
# fill under the curve
#self.curve.setBrush(Qt.QColor(255,0,190))
#self.curve.setBrush(Qt.Qt.red)
self.curve.setBrush(Qt.QColor("#057D9F")) #some sort of blue
#self.curve.setPen(Qt.QColor(255,0,0,0))
#self.curve.setPen(QtGui.QPen(Qt.Qt.red))
self.curve.setPen(QtGui.QPen(Qt.Qt.NoPen))
#self.curve.setRenderHint(Qwt.QwtPlotItem.RenderAntialiased)
self.cached_canvas = self.canvas()
#need to replot here for the size Hints to be computed correctly (depending on axis scales...)
self.replot()
