def __drawParetoChart(self):
def make_noise(value, noise_size):
return value + (noise_size / -2 + noise_size * random.random())
self.__pareto_chart.removeAllSeries()
series1 = QScatterSeries()
series1.setMarkerShape(QScatterSeries.MarkerShapeCircle)
series1.setMarkerSize(5)
series1.append(make_noise(23, 2), make_noise(25, 2))
series1.setBrush(QColor(Qt.red))
self.__pareto_chart.addSeries(series1)
self.__axisy.setRange(0.0, 100.0)
series3 = QScatterSeries()
series3.setName("Точка утопии")
series3.setMarkerShape(QScatterSeries.MarkerShapeCircle)
series3.setMarkerSize(10)
series3.append(make_noise(2, 0.5), make_noise(23, 2))
self.__pareto_chart.addSeries(series3)
series2 = QScatterSeries()
series2.setName("Оптимальный")
series2.setMarkerShape(QScatterSeries.MarkerShapeCircle)
series2.setMarkerSize(7)
series2.append(make_noise(2, 0.5), make_noise(45, 4))
self.__pareto_chart.addSeries(series2)
self.__pareto_chart.setAxisX(self.__axisx, series1)
self.__pareto_chart.setAxisY(self.__axisy, series1)
self.__pareto_chart.setAxisX(self.__axisx, series2)
self.__pareto_chart.setAxisY(self.__axisy, series2)
self.__pareto_chart.setAxisX(self.__axisx, series3)
self.__pareto_chart.setAxisY(self.__axisy, series3)
def __createChart(self): ##创建图表
chart = QChart() #创建 Chart
## chart.setTitle("简单函数曲线")
chart.legend().setVisible(True)
self.chartView.setChart(chart) #Chart添加到chartView
pen=QPen()
pen.setWidth(2)
##========LineSeries折线 和 ScatterSeries散点
seriesLine = QLineSeries()
seriesLine.setName("LineSeries折线")
seriesLine.setPointsVisible(False) #数据点不可见
pen.setColor(Qt.red)
seriesLine.setPen(pen)
seriesLine.hovered.connect(self.do_series_hovered) #信号 hovered
seriesLine.clicked.connect(self.do_series_clicked) #信号 clicked
chart.addSeries(seriesLine) #添加到chart
seriesLinePoint = QScatterSeries() #散点序列
seriesLinePoint.setName("ScatterSeries散点")
shape=QScatterSeries.MarkerShapeCircle #MarkerShapeRectangle
seriesLinePoint.setMarkerShape(shape) #散点形状，只有2种
seriesLinePoint.setBorderColor(Qt.yellow)
seriesLinePoint.setBrush(QBrush(Qt.red))
seriesLinePoint.setMarkerSize(10) #散点大小
seriesLinePoint.hovered.connect(self.do_series_hovered) #信号 hovered
seriesLinePoint.clicked.connect(self.do_series_clicked) #信号 clicked
chart.addSeries(seriesLinePoint) #添加到chart
##======== SplineSeries 曲线和 QScatterSeries 散点
seriesSpLine = QSplineSeries()
seriesSpLine.setName("SplineSeries曲线")
seriesSpLine.setPointsVisible(False) #数据点不可见
pen.setColor(Qt.blue)
seriesSpLine.setPen(pen)
seriesSpLine.hovered.connect(self.do_series_hovered) #信号 hovered
seriesSpLine.clicked.connect(self.do_series_clicked) #信号 clicked
seriesSpPoint = QScatterSeries() #散点序列
seriesSpPoint.setName("QScatterSeries")
shape=QScatterSeries.MarkerShapeRectangle #MarkerShapeCircle
seriesSpPoint.setMarkerShape(shape) #散点形状，只有2种
seriesSpPoint.setBorderColor(Qt.green)
seriesSpPoint.setBrush(QBrush(Qt.blue))
seriesSpPoint.setMarkerSize(10) #散点大小
seriesSpPoint.hovered.connect(self.do_series_hovered) #信号 hovered
seriesSpPoint.clicked.connect(self.do_series_clicked) #信号 clicked
chart.addSeries(seriesSpLine)
chart.addSeries(seriesSpPoint)
## 创建缺省坐标轴
chart.createDefaultAxes() #创建缺省坐标轴并与序列关联
chart.axisX().setTitleText("time(secs)")
chart.axisX().setRange(0,10)
chart.axisX().applyNiceNumbers()
chart.axisY().setTitleText("value")
chart.axisY().setRange(-2,2)
chart.axisY().applyNiceNumbers()
for marker in chart.legend().markers(): #QLegendMarker类型列表
marker.clicked.connect(self.do_LegendMarkerClicked)
class Window(QMainWindow):
def __init__(self, landmarkPoints, allPoints, threadEvent):
super().__init__()
self.title = "Lidar data points"
#self.queue = queue
self.color = Qt.darkRed
self.lmrkPoints = landmarkPoints
self.allPoints = allPoints
self.event = threadEvent
self.left = 500
self.top = 500
self.height = 480
self.width = 640
self.count = 0
self.time = 0
self.label = QLabel(self)
self.lmrkBox = QCheckBox("Landmark points", self)
self.ptsBox = QCheckBox("Data points", self)
self.boxArea = QWidget()
self.mainLayout = QGridLayout()
self.mainLayout.addWidget(self.lmrkBox, 0, 0)
self.mainLayout.addWidget(self.ptsBox, 1, 0)
self.mainLayout.setVerticalSpacing(5)
self.boxArea.setLayout(self.mainLayout)
crote = QDockWidget("Hide", self)
crote.setWidget(self.boxArea)
self.addDockWidget(Qt.LeftDockWidgetArea, crote)
dock = QDockWidget("", self)
dock.setWidget(self.label)
self.addDockWidget(Qt.LeftDockWidgetArea, dock)
self.chart = QChart()
self.config_axis()
self.series = QScatterSeries(self.chart)
self.allSeries = QScatterSeries(self.chart)
self.config_series()
#self.update()
self.timer = QTimer(self)
self.view = QChartView(self.chart)
self.setCentralWidget(
self.view
) # It is needed to create to view because the CentralWidget needs to be a QWidget, and a QChart is not so.
self.initWindow()
def config_series(self):
self.series.setName("Landmark Points")
self.allSeries.setName("Data Points")
lmrkPen = self.series.pen()
pen = self.allSeries.pen()
lmrkPen.setWidthF(.2)
pen.setWidthF(.2)
self.series.setPen(lmrkPen)
self.allSeries.setPen(pen)
self.series.setColor(Qt.red)
self.allSeries.setColor(Qt.blue)
self.series.setMarkerShape(1) # 1 - rectangle; 0 - circle
# for good visualization, the landmark points should be bigger than normal points
self.series.setMarkerSize(8)
self.allSeries.setMarkerSize(5)
self.label.move(15, 15)
def config_axis(self):
self.xAxis = QValueAxis()
self.yAxis = QValueAxis()
self.xAxis.setRange(-XRANGE, XRANGE)
self.xAxis.setTitleText("Eixo x")
self.yAxis.setRange(-YRANGE, YRANGE)
self.yAxis.setTitleText("Eixo y")
self.chart.addAxis(self.xAxis, Qt.AlignBottom)
self.chart.addAxis(self.yAxis, Qt.AlignLeft)
def update(self):
self.event.wait()
start = time.time()
self.label.setText("FPS: {:.2f}".format(1 / (time.time() - self.time)))
self.time = time.time()
if self.count == 0 and self.lmrkPoints != []:
self.series.append(self.lmrkPoints[0][:])
self.allSeries.append(self.allPoints[0][:])
del self.lmrkPoints[:]
del self.allPoints[:]
self.count = 1
elif self.lmrkPoints != []:
self.series.replace(self.lmrkPoints[0][:])
self.allSeries.replace(self.allPoints[0][:])
del self.lmrkPoints[:]
del self.allPoints[:]
end = time.time()
self.event.clear()
def hide_show_points(self):
self.series.setVisible(not self.series.isVisible())
def hide_show_all_points(self):
self.allSeries.setVisible(not self.allSeries.isVisible())
def initWindow(self):
print("queue inside myWindow: {}".format(self.lmrkPoints))
self.setGeometry(self.left, self.top, self.width, self.height)
self.setWindowTitle(self.title)
self.chart.addSeries(self.series)
self.chart.addSeries(self.allSeries)
self.series.attachAxis(self.xAxis)
self.series.attachAxis(self.yAxis)
self.allSeries.attachAxis(self.xAxis)
self.allSeries.attachAxis(self.yAxis)
self.timer.timeout.connect(self.update)
self.lmrkBox.stateChanged.connect(self.hide_show_points)
self.ptsBox.stateChanged.connect(self.hide_show_all_points)
self.timer.start(0)
self.show()