plots.py 文件源码

def set_line_width(self, width):
        """
        Set the line plot width

        Parameters
        ----------
        width: float
            The width of the line
        """
        self.line_width = width
        _pen = pg.mkPen(self._plot.opts['pen'])
        _pen.setWidth(self.line_width)
        self.pen = _pen