Area Chart Example

The example shows how to create an area Chart

areachart.py

"""PySide6 port of the areachart example from Qt v6.x"""

import sys
from PySide6.QtCore import QPointF, Qt
from PySide6.QtWidgets import QMainWindow, QApplication
from PySide6.QtCharts import QChart, QChartView, QLineSeries, QAreaSeries
from PySide6.QtGui import QGradient, QPen, QLinearGradient, QPainter


class TestChart(QMainWindow):
    def __init__(self):
        super().__init__()

        self.series_0 = QLineSeries()
        self.series_1 = QLineSeries()

        self.series_0.append(QPointF(1, 5))
        self.series_0.append(QPointF(3, 7))
        self.series_0.append(QPointF(7, 6))
        self.series_0.append(QPointF(9, 7))
        self.series_0.append(QPointF(12, 6))
        self.series_0.append(QPointF(16, 7))
        self.series_0.append(QPointF(18, 5))

        self.series_1.append(QPointF(1, 3))
        self.series_1.append(QPointF(3, 4))
        self.series_1.append(QPointF(7, 3))
        self.series_1.append(QPointF(8, 2))
        self.series_1.append(QPointF(12, 3))
        self.series_1.append(QPointF(16, 4))
        self.series_1.append(QPointF(18, 3))

        self.series = QAreaSeries(self.series_0, self.series_1)
        self.series.setName("Batman")
        self.pen = QPen(0x059605)
        self.pen.setWidth(3)
        self.series.setPen(self.pen)

        self.gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 1))
        self.gradient.setColorAt(0.0, 0x3cc63c)
        self.gradient.setColorAt(1.0, 0x26f626)
        self.gradient.setCoordinateMode(QGradient.ObjectBoundingMode)
        self.series.setBrush(self.gradient)

        self.chart = QChart()
        self.chart.addSeries(self.series)
        self.chart.setTitle("Simple areachart example")
        self.chart.createDefaultAxes()
        self.chart.axes(Qt.Horizontal)[0].setRange(0, 20)
        self.chart.axes(Qt.Vertical)[0].setRange(0, 10)

        self._chart_view = QChartView(self.chart)
        self._chart_view.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(self._chart_view)


if __name__ == "__main__":
    app = QApplication(sys.argv)

    window = TestChart()
    window.show()
    window.resize(400, 300)
    sys.exit(app.exec())