徐敬海, 李清泉. 基于时态GIS的导航电子地图增量更新研究[J]. 武汉大学学报 ( 信息科学版), 2008, 33(11): 1182-1185.
引用本文: 徐敬海, 李清泉. 基于时态GIS的导航电子地图增量更新研究[J]. 武汉大学学报 ( 信息科学版), 2008, 33(11): 1182-1185.
XU Jinghai, LI Qingquan. Navigable Digital Map Data Increment Update Based on Temporal GIS[J]. Geomatics and Information Science of Wuhan University, 2008, 33(11): 1182-1185.
Citation: XU Jinghai, LI Qingquan. Navigable Digital Map Data Increment Update Based on Temporal GIS[J]. Geomatics and Information Science of Wuhan University, 2008, 33(11): 1182-1185.

基于时态GIS的导航电子地图增量更新研究

Navigable Digital Map Data Increment Update Based on Temporal GIS

  • 摘要: 分析了导航地图数据增量更新过程的时态特征,通过应用时态GIS实现了增量更新过程的建模,提出了基于历史跨度的时空数据模型(history span based temporal-spatial model,HSBTM)。在此模型的支持下,推导了增量数据的计算公式,论述了历史跨度时空数据模型的简化表达和实现方法。

     

    Abstract: According to the requirement of quickly dynamic update of navigable digital map,the principle of navigable digital map increment update is addressed.Temporal characteristic of increment update process is analyzed and modeling of increment update process is also realized.A history span based temporal-spatial model(HSBTM) is put forward;and based on this model the increment data calculation formula is deduced;finally,the simplification expression and realization method of HSBTM are discussed.

     

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