class FlowChart(QChart):
def __init__(self):
super().__init__()
self.series_list = []
self.axisX = QValueAxis()
self.axisY = QValueAxis()
self.axisPen = QPen(PyQt5.QtCore.Qt.red)
self.axisPen.setWidth(4)
self.axisX.setLinePen(self.axisPen)
self.axisY.setLinePen(self.axisPen)
self.axixBrush = QBrush(PyQt5.QtCore.Qt.green)
self.axisX.setLabelsBrush(self.axixBrush)
self.axisX.setGridLineVisible(True)
self.axisY.setLabelsBrush(self.axixBrush)
self.axisY.setGridLineVisible(True)
self.axisY.setRange(0, 28)
self.setAxisX(self.axisX)
self.setAxisY(self.axisY)
def add_xyseries(self, maxinterval, maxpoints=5000, type=QLineSeries):
series = FlowSeries(
maxinterval=maxinterval, maxpoints=maxpoints, type=type)
self.addSeries(series.series)
series.attachAxes(self.axisX, self.axisY)
self.series_list.append(series)
return series
def set_yrange(self, ymin, ymax):
self.axisY.setRange(ymin, ymax)
def update(self):
xmin = None
xmax = None
for s in self.series_list:
r = s.range()
if xmin is None or xmin > r[0]:
xmin = r[0]
if xmax is None or xmax < r[1]:
xmax = r[1]
self.axisX.setRange(xmin, xmax)
for s in self.series_list:
s.replace()
class StaticChart(QChart):
def __init__(self):
super().__init__()
self.series_list = []
self.axisX = QValueAxis()
self.axisY = QValueAxis()
self.axisPen = QPen(PyQt5.QtCore.Qt.red)
self.axisPen.setWidth(4)
self.axisX.setLinePen(self.axisPen)
self.axixBrush = QBrush(PyQt5.QtCore.Qt.green)
self.axisX.setLabelsBrush(self.axixBrush)
self.axisX.setGridLineVisible(True)
self.setAxisX(self.axisX)
self.setAxisY(self.axisY)
def add_xyseries(self, type=StaticSeries):
series = type()
self.addSeries(series)
series.attachAxis(self.axisX)
series.attachAxis(self.axisY)
self.series_list.append(series)
return series
def set_xrange(self, xmin, xmax):
self.axisX.setRange(xmin, xmax)
def set_yrange(self, ymin, ymax):
self.axisY.setRange(ymin, ymax)
def autoscale(self):
xmax = ymax = float("-inf")
xmin = ymin = float("+inf")
for s in self.series_list:
points = s.pointsVector()
for p in points:
if p.x() < xmin: xmin = p.x()
if p.x() > xmax: xmax = p.x()
if p.y() < ymin: ymin = p.y()
if p.y() > ymax: ymax = p.y()
self.set_xrange(xmin, xmax)
self.set_yrange(ymin, ymax)
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)
