问题描述 在终端中使用rqt_plot进行数据绘图时,打不开绘图工具,提示错误: /usr/lib/python2.7/dist-packages/matplotlib/axis.py:1015: UserWarning: Unable to find pixel distance along axis for interval padding of ticks; assuming no interval padding needed. warnings.warn("Unable to find pixel distance along axis " /usr/lib/python2.7