同时，根据所建立的矢量数据结构，我们研究了一些空间分析算法，如最短路径算法等。
With the vector data structure created, we study a lot of spatial analyze arithmetic, such as the shortest path arithmetic.
空间数据处理内容广泛，本文选择空间数据处理领域的矢量数据结构与栅格数据结构之间的相互转换、不同空间数据格式的数据转换方法等几个方面作为研究的内容。
Some parts have been researched which are approach for mutual transferring between vector structure and raster structure, the switchover of different data format. This thesis has three parts.
应用程序使用两种不同的数据结构存储GIS数据：栅格数据和矢量数据。
Applications store GIS data using two distinct data structures: raster data and vector data.
在该部分，以ORACLESPATIAL为例，讨论了矢量数据模型的简单数据结构；
The simple data structure of vector model is introduced using the ORACLE SPATIAL as an example.
对数字地图出版中多源矢量数据利用理论进行了探讨和研究，提出了源数据描述、数据结构映射和数据重组的解决方案。
It also discusses the theory about it, and puts forward three steps such as source data description, data structure mapping and data recombination.
分析了矢量电子地图的现状，对采用面向对象的数据模型和数据结构实现矢量电子地图进行了研究。
This paper analyzes the current situation of vector electronic map and investigates the realization of vector electronic map with object-oriented data model and structure.
地理信息系统开发和优化的空间数据结构紧密，光栅和矢量数据之间的地理信息系统数据的有效转换的关键技术之一。
Geographical information systems development and optimize the structure of spatial data closely, raster and vector data efficient conversion of data between the GIS is one of the key technologies.
提出二维矢量工作队列数据结构，保证站点深度优先搜索以及权值对站点处理时间的影响。
Introduce a data structure of Two-dimensional Vector Workload to ensure Site-depth-first Searching Model and the time control of sites processing with weighted values.
对数字地图出版中多源矢量数据利用理论进行了探讨和研究，提出了源数据描述、数据结构映射和数据重组的解决方案。
This research studied the transfer of information maintenance effected by the structure-mapping analogy and the similar elements in reading.
对数字地图出版中多源矢量数据利用理论进行了探讨和研究，提出了源数据描述、数据结构映射和数据重组的解决方案。
This research studied the transfer of information maintenance effected by the structure-mapping analogy and the similar elements in reading.
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