【摘要】 主要研究动态交通信息发布系统中GIS引擎的关键技术与实现。针对动态交通信息发布系统中数据量大、实时性强、准确性要求高的特点,设计了GIS引擎的结构,建立GIS引擎数据处理模型,包括数据融合算法、偏移处理算法和图片切割算法。通过测试验证了设计实现的GIS引擎能够满足动态交通信息发布系统性能的需求。更多还原

【Abstract】 The realization of GIS engine in the subsystem of real-time traffic information release is a major concern.Through the analyses on the features of dynamic traffic information release system and the study on the processing of GIS engine data,the struc-ture of GIS engine system is put forward,and the key arithmetic models,including data amalgamation,excursion processing,and pic-ture incision,are designed.GIS engine,which meets the requirements of dynamic traffic information release,is realized.更多还原