Geographic data spatial indexing method based on tile structure

• Main Authors: YAN ZONGBAO, WANG XIAOLONG, SONG JICUN, XU JIANFENG
• Format: Patent
• Language: Chinese; English
• Published: 26.05.2023
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention discloses a geographic data spatial indexing method based on a tile structure, which comprises the following steps of: designing a time tile mechanism, converting continuous time axis data into a discrete time array, and carrying out time dimension indexing structure construction on all spatial data on the basis of the discrete time array; the spatial data is stored and retrieved according to the specific index structure, so that on the basis of providing a brand new time parameter storage and retrieval mechanism except a relational database, a new retrieval method of the spatial data in the time dimension is realized, and due to the ingenious design of the mechanism, when data retrieval is carried out, the retrieval efficiency is greatly improved. Complex mathematical operation is avoided, and therefore it is guaranteed that the data retrieval efficiency cannot be continuously reduced along with increasing of the data size. 本发明公开了一种基于瓦片结构的地理数据空间索引方法，通过设计一种时间瓦片机制，将连续的时间轴数据，转换为离散的时间数组，并以此作为依据，将所有