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