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This paper presents a geographical graphics library for embedded operating system environment. Following the typical architecture of open source graphic libraries for PC platform, a library for embedded environment is designed and implemented with simplified algorithm and platform related optimizing. These changes make the library works well on WinCE platform comparing with GDI and other libraries...
Nowadays the floating car data (FCD) is playing a more and more important role in the route guidance, because it can collect more accurate travel time information in traffic service systems. But the problem is that the congested traffic performs to be dynamic and quite complex, and therepsilas great data amount fluctuation at different time of day. Therefore, the stability of the data canpsilat be...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.