区域图示例链接到本标题
本示例展示了如何创建区域图
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
"""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())