GIS空间数据与属性数据的文件组织结构研究 |
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引用本文: | 潘俊辉,相生昌. GIS空间数据与属性数据的文件组织结构研究[J]. 重庆石油高等专科学校学报, 2012, 0(1): 128-130,139 |
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作者姓名: | 潘俊辉 相生昌 |
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作者单位: | [1]东北石油大学,大庆163318 [2]同方知网技术有限公司,北京100084 |
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基金项目: | 国家自然科学基金项目(61170132) |
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摘 要: | 针对传统GIS数据管理方法都是将空间数据与属性数据分隔开来分别进行管理的缺点,提出一种用于将空间数据和属性数据进行统一管理的文件组织方法。文中分别给出空间数据和属性数据的数据结构,然后采用层次性结构化文件系统结合文件索引和数据字典技术来对空间数据和属性数据进行统一管理。该方法能够对各实体信息表示尽量结构化,从而加快大数据量应用的存取速度。
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关 键 词: | GIS 空间数据 属性数据 数据字典 文件索引 |
Research on File Organization Structure of GIS Spatial Data and Attribute Data |
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Affiliation: | PAN Junhui XIANG Shengchan (1 .Northeast Petroleum University, Daqing 163318; 2.TTKN, Bcijing 100084) |
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Abstract: | Aimed to the shortcoming that the spatial data and attribute data are managed separately by the data management method of traditional GIS, a kind of file organization method to manage the spatial data and attribute data integrately is put forward in this paper. The data structure of the spatial data and attribute data are given respectively, then the spatial data and attribute data are managed centralizedly by adopting the hierarchy structured file system which is combined with file index and data dictionary techniques, this method can express the various entity information to be structured, thus to accelerate the access speed of large amount of data applications. |
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Keywords: | GIS spatial data attribute data data dictionary file index |
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