Pyqtgraph&＃xff0c;如何在绘制trace时让颜色发生变化。获取plot的时候&＃xff0c;请把pen参数也给加上&＃xff1b;

PlotWidget 颜色、self.TNLPlotWidget.plot(pen&＃61;[0, 255, 0])

默认的话&＃xff0c;是灰色&＃xff1b;

效果如下&＃xff1a;

https://pyqtgraph.readthedocs.io/en/latest/api_reference/functions.html#pyqtgraph.mkPen

https://pyqtgraph.readthedocs.io/en/latest/api_reference/functions.html#pyqtgraph.mkColor

https://pyqtgraph.readthedocs.io/en/latest/api_reference/functions.html#pyqtgraph.intColor

通过以上的三个连接&＃xff0c;彻底搞懂pyqtgraph里边的颜色系统