def createAreaChart(self):
chart = QChart()
chart.setTitle("Area chart")
# The lower series is initialized to zero values.
lowerSeries = None
y_points = []
for i, data_list in enumerate(self.m_dataTable):
upperSeries = QLineSeries(chart)
for j, (value, _) in enumerate(data_list):
y = value.y()
if lowerSeries is None:
upperSeries.append(QPointF(j, y))
y_points.append(y)
else:
new_y = y_points[i] + y
upperSeries.append(QPointF(j, new_y))
y_points[j] += new_y
area = QAreaSeries(upperSeries, lowerSeries)
area.setName("Series " + str(i))
chart.addSeries(area)
lowerSeries = upperSeries
chart.createDefaultAxes()
return chart
def createAreaChart(self):
chart = QChart()
chart.setTitle("Area chart")
# The lower series is initialized to zero values.
lowerSeries = None
y_points = []
for i, data_list in enumerate(self.m_dataTable):
upperSeries = QLineSeries(chart)
for j, (value, _) in enumerate(data_list):
y = value.y()
if lowerSeries is None:
upperSeries.append(QPointF(j, y))
y_points.append(y)
else:
new_y = y_points[i] + y
upperSeries.append(QPointF(j, new_y))
y_points[j] += new_y
area = QAreaSeries(upperSeries, lowerSeries)
area.setName("Series " + str(i))
chart.addSeries(area)
lowerSeries = upperSeries
chart.createDefaultAxes()
return chart
def getSeries(self):
# 创建Series
series0 = QLineSeries(self)
series1 = QLineSeries(self)
# 添加数据
series0 << QPointF(1, 5) << QPointF(3, 7) << QPointF(7, 6) << QPointF(9, 7) \
<< QPointF(12, 6) << QPointF(16, 7) << QPointF(18, 5)
series1 << QPointF(1, 3) << QPointF(3, 4) << QPointF(7, 3) << QPointF(8, 2) \
<< QPointF(12, 3) << QPointF(16, 4) << QPointF(18, 3)
# 创建区域图
series = QAreaSeries(series0, series1)
series.setName('Batman')
# 画笔
pen = QPen(0x059605)
pen.setWidth(3)
series.setPen(pen)
# 设置画刷
gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 1))
gradient.setColorAt(0.0, QColor(0x3cc63c))
gradient.setColorAt(1.0, QColor(0x26f626))
gradient.setCoordinateMode(QGradient.ObjectBoundingMode)
series.setBrush(gradient)
return series
def main():
import sys
app = QApplication(sys.argv)
series0 = QLineSeries()
series1 = QLineSeries()
series0 << QPointF(1, 5) << QPointF(3, 7) << QPointF(7, 6) << QPointF(
9, 7) << QPointF(12, 6) << QPointF(16, 7) << QPointF(18, 5)
series1 << QPointF(1, 3) << QPointF(3, 4) << QPointF(7, 3) << QPointF(
8, 2) << QPointF(12, 3) << QPointF(16, 4) << QPointF(18, 3)
series = QAreaSeries(series0, series1)
series.setName("Batman")
pen = QPen(0x059605)
pen.setWidth(3)
series.setPen(pen)
gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 1))
gradient.setColorAt(0.0, QColor(0x3CC63C))
gradient.setColorAt(1.0, QColor(0x26F626))
gradient.setCoordinateMode(QGradient.ObjectBoundingMode)
series.setBrush(gradient)
chart = QChart()
chart.addSeries(series)
chart.setTitle("Simple areachart example")
chart.createDefaultAxes()
chart.axes(Qt.Horizontal)[0].setRange(0, 20)
chart.axes(Qt.Vertical)[0].setRange(0, 10)
chartView = QChartView(chart)
chartView.setRenderHint(QPainter.Antialiasing)
window = QMainWindow()
window.setCentralWidget(chartView)
window.resize(400, 300)
window.show()
sys.exit(app.exec_())
series4 = QLineSeries()
series4.setName("star inner")
ad = (ANGULAR_MAX - ANGULAR_MIN) / 8.0
rd = (RADIAL_MAX - RADIAL_MIN) / 3.0
series4.append(ANGULAR_MIN, RADIAL_MAX)
series4.append(ANGULAR_MIN + ad * 1, RADIAL_MIN + rd)
series4.append(ANGULAR_MIN + ad * 2, RADIAL_MAX)
series4.append(ANGULAR_MIN + ad * 3, RADIAL_MIN + rd)
series4.append(ANGULAR_MIN + ad * 4, RADIAL_MAX)
series4.append(ANGULAR_MIN + ad * 5, RADIAL_MIN + rd)
series4.append(ANGULAR_MIN + ad * 6, RADIAL_MAX)
series4.append(ANGULAR_MIN + ad * 7, RADIAL_MIN + rd)
series4.append(ANGULAR_MIN + ad * 8, RADIAL_MAX)
series5 = QAreaSeries()
series5.setName("star area")
series5.setUpperSeries(series3)
series5.setLowerSeries(series4)
series5.setOpacity(0.5)
chart = QPolarChart()
chart.addSeries(series1)
chart.addSeries(series2)
chart.addSeries(series3)
chart.addSeries(series4)
chart.addSeries(series5)
chart.setTitle(
"Use arrow keys to scroll, +/- to zoom, and space to switch chart type.")
angularAxis = QValueAxis()
angularAxis.setTickCount(9)