实现在xml格式的浮动车源数据中提取出某一天某一路段的浮动车数据-Realize one day to extract a section of floating car data sources floating car data xml format

根据GPS获得的浮动车数据有很多错误，进行数据处理剔除错误数据(There are many errors in the floating car data obtained on the basis of GPS, and the data processing to eliminate the error data)

利用浮动车数据处理后的结果，将图像输出，观察规律(Using the data processing results of the floating car, the image output and observation rule)