def __init__(self, *args):
QwtPlot.__init__(self, *args)
# set plot title
self.setTitle('ImagePlot')
# set plot layout
self.plotLayout().setCanvasMargin(0)
self.plotLayout().setAlignCanvasToScales(True)
# set legend
legend = QwtLegend()
legend.setDefaultItemMode(QwtLegendData.Clickable)
self.insertLegend(legend, QwtPlot.RightLegend)
# set axis titles
self.setAxisTitle(QwtPlot.xBottom, 'time (s)')
self.setAxisTitle(QwtPlot.yLeft, 'frequency (Hz)')
colorMap = QwtLinearColorMap(Qt.blue, Qt.red)
interval = QwtInterval(-1, 1)
self.enableAxis(QwtPlot.yRight)
self.setAxisScale(QwtPlot.yRight, -1, 1)
self.axisWidget(QwtPlot.yRight).setColorBarEnabled(True)
self.axisWidget(QwtPlot.yRight).setColorMap(interval, colorMap)
# calculate 3 NumPy arrays
x = np.arange(-2 * np.pi, 2 * np.pi, 0.01)
y = np.pi * np.sin(x)
z = 4 * np.pi * np.cos(x) * np.cos(x) * np.sin(x)
# attach a curve
curve = QwtPlotCurve('y = pi*sin(x)')
curve.attach(self)
curve.setPen(QPen(Qt.green, 2))
curve.setData(x, y)
# attach another curve
curve = QwtPlotCurve('y = 4*pi*sin(x)*cos(x)**2')
curve.attach(self)
curve.setPen(QPen(Qt.black, 2))
curve.setData(x, z)
# attach a grid
grid = QwtPlotGrid()
grid.attach(self)
grid.setPen(QPen(Qt.black, 0, Qt.DotLine))
# attach a horizontal marker at y = 0
marker = QwtPlotMarker()
marker.attach(self)
marker.setValue(0.0, 0.0)
marker.setLineStyle(QwtPlotMarker.HLine)
marker.setLabelAlignment(Qt.AlignRight | Qt.AlignTop)
marker.setLabel(QwtText('y = 0'))
# attach a vertical marker at x = pi
marker = QwtPlotMarker()
marker.attach(self)
marker.setValue(np.pi, 0.0)
marker.setLineStyle(QwtPlotMarker.VLine)
marker.setLabelAlignment(Qt.AlignRight | Qt.AlignBottom)
marker.setLabel(QwtText('x = pi'))
# attach a plot image
plotImage = PlotImage('Image')
plotImage.attach(self)
plotImage.setData(square(512, -2 * np.pi, 2 * np.pi),
(-2 * np.pi, 2 * np.pi), (-2 * np.pi, 2 * np.pi))
legend.SIG_CLICKED.connect(self.toggleVisibility)
# replot
self.replot()
def __init__(self, *args):
QwtPlot.__init__(self, *args)
self.curves = {}
self.data = {}
self.timeData = 1.0 * np.arange(HISTORY-1, -1, -1)
self.cpuStat = CpuStat()
self.setAutoReplot(False)
self.plotLayout().setAlignCanvasToScales(True)
legend = QwtLegend()
legend.setDefaultItemMode(QwtLegendData.Checkable)
self.insertLegend(legend, QwtPlot.RightLegend)
self.setAxisTitle(QwtPlot.xBottom, "System Uptime [h:m:s]")
self.setAxisScaleDraw(
QwtPlot.xBottom, TimeScaleDraw(self.cpuStat.upTime()))
self.setAxisScale(QwtPlot.xBottom, 0, HISTORY)
self.setAxisLabelRotation(QwtPlot.xBottom, -50.0)
self.setAxisLabelAlignment(
QwtPlot.xBottom, Qt.AlignLeft | Qt.AlignBottom)
self.setAxisTitle(QwtPlot.yLeft, "Cpu Usage [%]")
self.setAxisScale(QwtPlot.yLeft, 0, 100)
background = Background()
background.attach(self)
pie = CpuPieMarker()
pie.attach(self)
curve = CpuCurve('System')
curve.setColor(Qt.red)
curve.attach(self)
self.curves['System'] = curve
self.data['System'] = np.zeros(HISTORY, np.float)
curve = CpuCurve('User')
curve.setColor(Qt.blue)
curve.setZ(curve.z() - 1.0)
curve.attach(self)
self.curves['User'] = curve
self.data['User'] = np.zeros(HISTORY, np.float)
curve = CpuCurve('Total')
curve.setColor(Qt.black)
curve.setZ(curve.z() - 2.0)
curve.attach(self)
self.curves['Total'] = curve
self.data['Total'] = np.zeros(HISTORY, np.float)
curve = CpuCurve('Idle')
curve.setColor(Qt.darkCyan)
curve.setZ(curve.z() - 3.0)
curve.attach(self)
self.curves['Idle'] = curve
self.data['Idle'] = np.zeros(HISTORY, np.float)
self.showCurve(self.curves['System'], True)
self.showCurve(self.curves['User'], True)
self.showCurve(self.curves['Total'], False)
self.showCurve(self.curves['Idle'], False)
self.startTimer(1000)
legend.SIG_CHECKED.connect(self.showCurve)
self.replot()
def __init__(self, *args):
QwtPlot.__init__(self, *args)
# set plot title
self.setTitle('ImagePlot')
# set plot layout
self.plotLayout().setCanvasMargin(0)
self.plotLayout().setAlignCanvasToScales(True)
# set legend
legend = QwtLegend()
legend.setDefaultItemMode(QwtLegendData.Clickable)
self.insertLegend(legend, QwtPlot.RightLegend)
# set axis titles
self.setAxisTitle(QwtPlot.xBottom, 'time (s)')
self.setAxisTitle(QwtPlot.yLeft, 'frequency (Hz)')
colorMap = QwtLinearColorMap(Qt.blue, Qt.red)
interval = QwtInterval(-1, 1)
self.enableAxis(QwtPlot.yRight)
self.setAxisScale(QwtPlot.yRight, -1, 1)
self.axisWidget(QwtPlot.yRight).setColorBarEnabled(True)
self.axisWidget(QwtPlot.yRight).setColorMap(interval, colorMap)
# calculate 3 NumPy arrays
x = np.arange(-2*np.pi, 2*np.pi, 0.01)
y = np.pi*np.sin(x)
z = 4*np.pi*np.cos(x)*np.cos(x)*np.sin(x)
# attach a curve
curve = QwtPlotCurve('y = pi*sin(x)')
curve.attach(self)
curve.setPen(QPen(Qt.green, 2))
curve.setData(x, y)
# attach another curve
curve = QwtPlotCurve('y = 4*pi*sin(x)*cos(x)**2')
curve.attach(self)
curve.setPen(QPen(Qt.black, 2))
curve.setData(x, z)
# attach a grid
grid = QwtPlotGrid()
grid.attach(self)
grid.setPen(QPen(Qt.black, 0, Qt.DotLine))
# attach a horizontal marker at y = 0
marker = QwtPlotMarker()
marker.attach(self)
marker.setValue(0.0, 0.0)
marker.setLineStyle(QwtPlotMarker.HLine)
marker.setLabelAlignment(Qt.AlignRight | Qt.AlignTop)
marker.setLabel(QwtText('y = 0'))
# attach a vertical marker at x = pi
marker = QwtPlotMarker()
marker.attach(self)
marker.setValue(np.pi, 0.0)
marker.setLineStyle(QwtPlotMarker.VLine)
marker.setLabelAlignment(Qt.AlignRight | Qt.AlignBottom)
marker.setLabel(QwtText('x = pi'))
# attach a plot image
plotImage = PlotImage('Image')
plotImage.attach(self)
plotImage.setData(square(512, -2*np.pi, 2*np.pi),
(-2*np.pi, 2*np.pi), (-2*np.pi, 2*np.pi))
legend.SIG_CLICKED.connect(self.toggleVisibility)
# replot
self.replot()
def __init__(self, *args):
QwtPlot.__init__(self, *args)
# set plot title
self.setTitle("ImagePlot")
# set plot layout
self.plotLayout().setCanvasMargin(0)
self.plotLayout().setAlignCanvasToScales(True)
# set legend
legend = QwtLegend()
legend.setDefaultItemMode(QwtLegendData.Clickable)
self.insertLegend(legend, QwtPlot.RightLegend)
# set axis titles
self.setAxisTitle(QwtPlot.xBottom, "time (s)")
self.setAxisTitle(QwtPlot.yLeft, "frequency (Hz)")
colorMap = QwtLinearColorMap(Qt.blue, Qt.red)
interval = QwtInterval(-1, 1)
self.enableAxis(QwtPlot.yRight)
self.setAxisScale(QwtPlot.yRight, -1, 1)
self.axisWidget(QwtPlot.yRight).setColorBarEnabled(True)
self.axisWidget(QwtPlot.yRight).setColorMap(interval, colorMap)
# calculate 3 NumPy arrays
x = np.arange(-2 * np.pi, 2 * np.pi, 0.01)
y = np.pi * np.sin(x)
z = 4 * np.pi * np.cos(x) * np.cos(x) * np.sin(x)
# attach a curve
QwtPlotCurve.make(x,
y,
title="y = pi*sin(x)",
linecolor=Qt.green,
linewidth=2,
plot=self)
# attach another curve
QwtPlotCurve.make(x,
z,
title="y = 4*pi*sin(x)*cos(x)**2",
linewidth=2,
plot=self)
# attach a grid
grid = QwtPlotGrid()
grid.attach(self)
grid.setPen(QPen(Qt.black, 0, Qt.DotLine))
# attach a horizontal marker at y = 0
QwtPlotMarker.make(
label="y = 0",
linestyle=QwtPlotMarker.HLine,
align=Qt.AlignRight | Qt.AlignTop,
plot=self,
)
# attach a vertical marker at x = pi
QwtPlotMarker.make(
np.pi,
0.0,
label="x = pi",
linestyle=QwtPlotMarker.VLine,
align=Qt.AlignRight | Qt.AlignBottom,
plot=self,
)
# attach a plot image
plotImage = PlotImage("Image")
plotImage.attach(self)
plotImage.setData(
square(512, -2 * np.pi, 2 * np.pi),
(-2 * np.pi, 2 * np.pi),
(-2 * np.pi, 2 * np.pi),
)
legend.clicked.connect(self.toggleVisibility)
# replot
self.replot()
def __init__(self, unattended=False):
QwtPlot.__init__(self)
self.curves = {}
self.data = {}
self.timeData = 1.0 * np.arange(self.HISTORY - 1, -1, -1)
self.cpuStat = CpuStat()
self.setAutoReplot(False)
self.plotLayout().setAlignCanvasToScales(True)
legend = QwtLegend()
legend.setDefaultItemMode(QwtLegendData.Checkable)
self.insertLegend(legend, QwtPlot.RightLegend)
self.setAxisTitle(QwtPlot.xBottom, "System Uptime [h:m:s]")
self.setAxisScaleDraw(QwtPlot.xBottom,
TimeScaleDraw(self.cpuStat.upTime()))
self.setAxisScale(QwtPlot.xBottom, 0, self.HISTORY)
self.setAxisLabelRotation(QwtPlot.xBottom, -50.0)
self.setAxisLabelAlignment(QwtPlot.xBottom,
Qt.AlignLeft | Qt.AlignBottom)
self.setAxisTitle(QwtPlot.yLeft, "Cpu Usage [%]")
self.setAxisScale(QwtPlot.yLeft, 0, 100)
background = Background()
background.attach(self)
pie = CpuPieMarker()
pie.attach(self)
curve = CpuCurve("System")
curve.setColor(Qt.red)
curve.attach(self)
self.curves["System"] = curve
self.data["System"] = np.zeros(self.HISTORY, float)
curve = CpuCurve("User")
curve.setColor(Qt.blue)
curve.setZ(curve.z() - 1.0)
curve.attach(self)
self.curves["User"] = curve
self.data["User"] = np.zeros(self.HISTORY, float)
curve = CpuCurve("Total")
curve.setColor(Qt.black)
curve.setZ(curve.z() - 2.0)
curve.attach(self)
self.curves["Total"] = curve
self.data["Total"] = np.zeros(self.HISTORY, float)
curve = CpuCurve("Idle")
curve.setColor(Qt.darkCyan)
curve.setZ(curve.z() - 3.0)
curve.attach(self)
self.curves["Idle"] = curve
self.data["Idle"] = np.zeros(self.HISTORY, float)
self.showCurve(self.curves["System"], True)
self.showCurve(self.curves["User"], True)
self.showCurve(self.curves["Total"], False or unattended)
self.showCurve(self.curves["Idle"], False or unattended)
self.startTimer(20 if unattended else 1000)
legend.checked.connect(self.showCurve)
self.replot()
