57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2019/10/2
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@author: Irony
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@site: https://pyqt5.com , https://github.com/892768447
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@email: 892768447@qq.com
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@file: SplineChart
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@description: 样条图表
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"""
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from PyQt5.QtChart import QChartView, QChart, QSplineSeries
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from PyQt5.QtCore import QPointF
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from PyQt5.QtGui import QPainter
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class Window(QChartView):
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def __init__(self, *args, **kwargs):
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super(Window, self).__init__(*args, **kwargs)
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self.resize(400, 300)
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# 抗锯齿
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self.setRenderHint(QPainter.Antialiasing)
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# 图表
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chart = QChart()
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self.setChart(chart)
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# 设置标题
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chart.setTitle('Simple splinechart example')
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# 添加Series
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self.getSeries(chart)
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# 创建默认xy轴
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chart.createDefaultAxes()
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chart.legend().setVisible(False)
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def getSeries(self, chart):
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# 第一组
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series = QSplineSeries(chart)
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series << QPointF(1, 5) << QPointF(3, 7) << QPointF(7, 6) << QPointF(9, 7) \
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<< QPointF(12, 6) << QPointF(16, 7) << QPointF(18, 5)
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chart.addSeries(series)
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# 第二组
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series = QSplineSeries(chart)
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series << QPointF(1, 3) << QPointF(3, 4) << QPointF(7, 3) << QPointF(8, 2) \
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<< QPointF(12, 3) << QPointF(16, 4) << QPointF(18, 3)
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chart.addSeries(series)
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if __name__ == '__main__':
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import sys
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from PyQt5.QtWidgets import QApplication
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app = QApplication(sys.argv)
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w = Window()
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w.show()
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sys.exit(app.exec_())
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