netcdf的可视化工具包，对于直接读取netcdf数据非常便利-netcdf visualization toolkit, for direct reading netcdf data is very convenient

％ Function to use Potential Field Method for robot Motion, to avoid ％ Obstactles ％ Inputs : User enter number of obstacles ％ User defines obstacles and start and goal point, by clicking mouse ％ Output: Obstacle free path plotted ％ Vid