Bar Chart Example¶
The example shows how to create a Bar chart.
from __future__ import annotations
"""PySide6 port of the linechart example from Qt v6.x"""
import sys
from PySide6.QtCharts import (QBarCategoryAxis, QBarSeries, QBarSet, QChart,
QChartView, QValueAxis)
from PySide6.QtCore import Qt
from PySide6.QtGui import QPainter
from PySide6.QtWidgets import QApplication, QMainWindow
class TestChart(QMainWindow):
def __init__(self):
super().__init__()
self.set_0 = QBarSet("Jane")
self.set_1 = QBarSet("John")
self.set_2 = QBarSet("Axel")
self.set_3 = QBarSet("Mary")
self.set_4 = QBarSet("Samantha")
self.set_0.append([1, 2, 3, 4, 5, 6])
self.set_1.append([5, 0, 0, 4, 0, 7])
self.set_2.append([3, 5, 8, 13, 8, 5])
self.set_3.append([5, 6, 7, 3, 4, 5])
self.set_4.append([9, 7, 5, 3, 1, 2])
self.series = QBarSeries()
self.series.append(self.set_0)
self.series.append(self.set_1)
self.series.append(self.set_2)
self.series.append(self.set_3)
self.series.append(self.set_4)
self.chart = QChart()
self.chart.addSeries(self.series)
self.chart.setTitle("Simple barchart example")
self.chart.setAnimationOptions(QChart.SeriesAnimations)
self.categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]
self.axis_x = QBarCategoryAxis()
self.axis_x.append(self.categories)
self.chart.addAxis(self.axis_x, Qt.AlignBottom)
self.series.attachAxis(self.axis_x)
self.axis_y = QValueAxis()
self.axis_y.setRange(0, 15)
self.chart.addAxis(self.axis_y, Qt.AlignLeft)
self.series.attachAxis(self.axis_y)
self.chart.legend().setVisible(True)
self.chart.legend().setAlignment(Qt.AlignBottom)
self._chart_view = QChartView(self.chart)
self._chart_view.setRenderHint(QPainter.RenderHint.Antialiasing)
self.setCentralWidget(self._chart_view)
if __name__ == "__main__":
app = QApplication(sys.argv)
window = TestChart()
window.show()
window.resize(420, 300)
sys.exit(app.exec())