def __init__(self, parent=None):
super().__init__(parent=parent)
self.setpoint_temperature = None
self.chart = QChart()
self.chart.legend().hide()
self.setChart( self.chart )
self.setRenderHint(QPainter.Antialiasing)
self.chart.setPlotAreaBackgroundBrush( QBrush(Qt.black) )
self.chart.setPlotAreaBackgroundVisible( True )
self.setpointTemperatureSeries = QLineSeries( self.chart )
pen = self.setpointTemperatureSeries.pen()
pen.setWidthF(2.)
pen.setColor( Qt.green )
self.setpointTemperatureSeries.setPen( pen )
#self.setpointTemperatureSeries.setUseOpenGL( True )
self.chart.addSeries( self.setpointTemperatureSeries )
self.temperatureSeries = QLineSeries( self.chart )
pen = self.temperatureSeries.pen()
pen.setWidthF(2.)
pen.setColor( Qt.red )
self.temperatureSeries.setPen( pen )
#self.temperatureSeries.setUseOpenGL( True )
self.chart.addSeries( self.temperatureSeries )
self.number_of_samples_to_keep = 2 * 5 * 60
self.xMin = QDateTime.currentDateTime().toMSecsSinceEpoch()
self.xMax = QDateTime.currentDateTime().toMSecsSinceEpoch()
self.yMin = 400
self.yMax = 0
#self.chart.createDefaultAxes()
#x_axis = QValueAxis()
x_axis = QDateTimeAxis()
x_axis.setTitleText( "Time" )
x_axis.setFormat("HH:mm:ss")
self.chart.addAxis( x_axis, Qt.AlignBottom )
self.temperatureSeries.attachAxis( x_axis )
self.setpointTemperatureSeries.attachAxis( x_axis )
startDate = QDateTime.currentDateTime().addSecs( -5 * 60 )
endDate = QDateTime.currentDateTime().addSecs( 5 * 60 )
#startDate = QDateTime(QDate(2017, 1, 9), QTime(17, 25, 0))
#endDate = QDateTime(QDate(2017, 1, 9), QTime(17, 50, 0))
#self.chart.axisX().setRange( startDate, endDate )
#self.chart.axisX().setRange( 0, 100 )
y_axis = QValueAxis()
y_axis.setTitleText( "Temperature (K)" )
self.chart.addAxis( y_axis, Qt.AlignLeft )
self.temperatureSeries.attachAxis( y_axis )
self.setpointTemperatureSeries.attachAxis( y_axis )
self.chart.axisY().setRange( 0, 400 )
#self.chart.axisY().setRange( 260., 290. )
self.temperatureSeries.pointAdded.connect( self.Rescale_Axes )
#self.setpointTemperatureSeries.pointAdded.connect( self.Rescale_Axes )
self.setRubberBand( QChartView.HorizontalRubberBand )
# Customize chart title
font = QFont()
font.setPixelSize(24);
self.chart.setTitleFont(font);
self.chart.setTitleBrush(QBrush(Qt.white));
## Customize chart background
#backgroundGradient = QLinearGradient()
#backgroundGradient.setStart(QPointF(0, 0));
#backgroundGradient.setFinalStop(QPointF(0, 1));
#backgroundGradient.setColorAt(0.0, QColor(0x000147));
#backgroundGradient.setColorAt(1.0, QColor(0x000117));
#backgroundGradient.setCoordinateMode(QGradient.ObjectBoundingMode);
#self.chart.setBackgroundBrush(backgroundGradient);
transparent_background = QBrush(QColor(0,0,0,0))
self.chart.setBackgroundBrush( transparent_background )
# Customize axis label font
labelsFont = QFont()
labelsFont.setPixelSize(16);
x_axis.setLabelsFont(labelsFont)
y_axis.setLabelsFont(labelsFont)
x_axis.setTitleFont(labelsFont)
y_axis.setTitleFont(labelsFont)
# Customize axis colors
axisPen = QPen(QColor(0xd18952))
axisPen.setWidth(2)
x_axis.setLinePen(axisPen)
y_axis.setLinePen(axisPen)
# Customize axis label colors
axisBrush = QBrush(Qt.white)
x_axis.setLabelsBrush(axisBrush)
y_axis.setLabelsBrush(axisBrush)
x_axis.setTitleBrush(axisBrush)
y_axis.setTitleBrush(axisBrush)
class Chart(QChartView):
def __init__(self):
self.chart = QChart()
QChartView.__init__(self, self.chart)
self.axisX = QValueAxis()
self.axisY = QValueAxis()
self.xRange = [0, 100]
self.yRange = [-100, 100]
self.curve = []
self.scatterCurve = []
self.setBackgroundBrush(QColor('#D8D8D8'))
self.setRenderHint(QPainter.Antialiasing)
self.chart.setAnimationOptions(QChart.NoAnimation)
self.chart.legend().setVisible(True)
self.chart.legend().setAlignment(Qt.AlignBottom)
self.chart.legend().setLabelColor(Qt.white)
self.chart.legend().setMarkerShape(QLegend.MarkerShapeFromSeries)
self.chart.setBackgroundBrush(QColor('#00004D'))
penAxisGrid = QPen(QColor('#F2F2F2'))
penAxisGrid.setWidthF(0.5)
penAxisMinorGrid = QPen(QColor('#A4A4A4'))
penAxisMinorGrid.setWidthF(0.3)
self.axisX.setGridLinePen(penAxisGrid)
self.axisX.setLinePen(penAxisGrid)
self.axisY.setGridLinePen(penAxisGrid)
self.axisY.setLinePen(penAxisGrid)
self.axisX.setMinorGridLinePen(penAxisMinorGrid)
self.axisY.setMinorGridLinePen(penAxisMinorGrid)
self.axisX.setLabelsColor(Qt.white)
self.axisY.setLabelsColor(Qt.white)
self.axisX.setMinorTickCount(4)
self.axisY.setMinorTickCount(4)
self.axisX.setTitleBrush(Qt.white)
self.axisY.setTitleBrush(Qt.white)
self.axisX.setTitleText('Time')
self.axisY.setTitleText('Signal Amplitude')
self.axisX.setTickCount(11)
self.axisY.setTickCount(11)
self.axisX.setRange(self.xRange[0], self.xRange[1])
self.axisY.setRange(self.yRange[0], self.yRange[1])
def setAddSerie(self, name, color):
self.curve.append(QLineSeries())
pen = self.curve[len(self.curve) - 1].pen()
pen.setColor(QColor(color))
pen.setWidthF(2)
self.curve[len(self.curve) - 1].setPen(pen)
self.curve[len(self.curve) - 1].setName(name)
self.chart.addSeries(self.curve[len(self.curve) - 1])
self.chart.setAxisX(self.axisX, self.curve[len(self.curve) - 1])
self.chart.setAxisY(self.axisY, self.curve[len(self.curve) - 1])
def setAddScatterSerie(self, color):
self.scatterCurve.append(QScatterSeries())
pen = self.scatterCurve[len(self.scatterCurve) - 1].pen()
pen.setColor(QColor(color))
pen.setWidthF(1)
self.scatterCurve[len(self.scatterCurve) - 1].setPen(pen)
self.scatterCurve[len(self.scatterCurve) - 1].setColor(QColor(color))
self.scatterCurve[len(self.scatterCurve) - 1].setMarkerSize(10)
self.chart.addSeries(self.scatterCurve[len(self.scatterCurve) - 1])
self.chart.setAxisX(self.axisX,
self.scatterCurve[len(self.scatterCurve) - 1])
self.chart.setAxisY(self.axisY,
self.scatterCurve[len(self.scatterCurve) - 1])
def setDataChartScatter(self, xData, yData1, yData2):
if xData > self.xRange[1]:
addValue = xData - self.xRange[1]
if self.xRange[0] is not 0:
self.xRange[0] = self.xRange[0] + addValue
self.xRange[1] = self.xRange[1] + addValue
self.axisX.setRange(self.xRange[0], self.xRange[1])
self.curve[0].append(xData, yData1)
self.curve[1].append(xData, yData2)
self.scatterCurve[0].append(xData, yData1)
self.scatterCurve[1].append(xData, yData2)
def setDataChart(self, xData, yData1, yData2):
if xData > self.xRange[1]:
addValue = xData - self.xRange[1]
if self.xRange[0] is not 0:
self.xRange[0] = self.xRange[0] + addValue
self.xRange[1] = self.xRange[1] + addValue
self.axisX.setRange(self.xRange[0], self.xRange[1])
self.curve[0].append(xData, yData1)
self.curve[1].append(xData, yData2)
def setRangeY(self, yRange, autoscale):
if autoscale:
if yRange[0] == 0 and yRange[1] == 0:
yRange[0] = -0.50
yRange[1] = 0.50
elif yRange[0] == 0:
yRange[0] = -0.10
yRange[1] = yRange[1] * 1.10
elif yRange[1] == 0:
yRange[0] = yRange[0] * 1.10
yRange[1] = 0.10
else:
if yRange[0] < 0:
yRange[0] = yRange[0] * 1.10
else:
yRange[0] = yRange[0] - (yRange[0] * 0.10)
if yRange[1] < 0:
yRange[1] = yRange[1] - (yRange[1] * 0.10)
else:
yRange[1] = yRange[1] * 1.10
self.axisY.setRange(yRange[0], yRange[1])
else:
self.axisY.setRange(yRange[0], yRange[1])
def setRangeX(self, xRange):
self.axisX.setRange(xRange[0], xRange[1])
def getRangeX(self):
return self.xRange
def setAxisXName(self, name):
self.axisX.setTitleText(name)
def setAxisYName(self, name):
self.axisY.setTitleText(name)
def setAxisXTickCount(self, tick):
self.axisX.setTickCount(tick)
def setAxisYTickCount(self, tick):
self.axisY.setTickCount(tick)
def initSerie(self):
self.curve.clear()
def initSeries(self):
self.curve[0].clear()
self.curve[1].clear()
