67. PyQtChart 줄 그리기

PyQtChart 설치

pip install pyqtchart

LineChart 그리기

67-1 예제:ex66

import sys from PyQt5.QtWidgets import QApplication, QMainWindow from PyQt5.QtChart import QChart, QChartView, QLineSeries from PyQt5.QtGui import QPainter class MyApp(QMainWindow):     def __init__(self):         super().__init__()         self.initUI()     def initUI(self):         # data         series = QLineSeries()         series.append(0, 0)         series.append(1, 1)         series.append(2, 2)         # chart object         chart = QChart()         chart.legend().hide()         chart.addSeries(series)  # data feeding 데이터 공급         # displaying chart         chart_view = QChartView(chart)         chart_view.setRenderHint(QPainter.Antialiasing)         # displaying window         self.setCentralWidget(chart_view)         # self.setGeometry(300, 300, 800, 600)         self.setMinimumSize(800, 600)         self.setWindowTitle("QtChart Foundation")         self.show() if __name__ == "__main__":     app = QApplication(sys.argv)     win = MyApp()     sys.exit(app.exec_())

67-2 결과

67-3 예제2

import sys from PyQt5.QtWidgets import QApplication, QMainWindow from PyQt5.QtChart import QChart, QChartView, QLineSeries from PyQt5.QtGui import QPainter class MyApp(QMainWindow):     def __init__(self):         super().__init__()         self.initUI()     def initUI(self):         # data         data = [(0, 6),                 (2, 4),                 (3, 8),                 (7, 4),                 (10, 5),                 (11, 1),                 (13, 3),                 (17, 6),                 (18, 3),                 (20, 2)]         series = QLineSeries()         for d in data:             series.append(*d)         # chart object         chart = QChart()         chart.legend().hide()         chart.addSeries(series)         chart.createDefaultAxes()         # display chart         chart_view = QChartView(chart)         chart_view.setRenderHint(QPainter.Antialiasing)         # display window         self.setCentralWidget(chart_view)         self.setMinimumSize(800, 600)         self.setWindowTitle("QtChart Add Data")         self.show() if __name__ == "__main__":     app = QApplication(sys.argv)     win = MyApp()     sys.exit(app.exec_())

67-4 결과