At last, the traditional vectorization method can be used to get spatial vector data regarding all the pixels of the object as the same color pixels.
最后，把组成地物的所有点认为是同样颜色的点，运用传统的二值图像矢量化方法得到矢量空间数据。
The simple data structure of vector model is introduced using the ORACLE SPATIAL as an example.
在该部分，以ORACLESPATIAL为例，讨论了矢量数据模型的简单数据结构；
Vector data is the symbol CAC visual spatial information in a main method, usually using technology based entirely on the vector algorithm.
矢量数据符号化是CAC中空间信息可视化的一种主要方法，通常是采用完全基于矢量技术的算法实现。
Spatial information analysis: to change from vector format to grid format, buffering section analysis, spatial data overlap analysis, net analysis, etc.
空间信息分析：包括矢量转栅格、缓冲区分析、空间数据的复合分析、网络分析等。
In this algorithm, the spatial data from the elements of the vector sensors array are transformed to that in the beam space at first, then MVDR algorithm is used for the transformed data.
该算法首先将矢量水听器阵元的空间数据转换到波束空间，然后对转换后的数据再运用MVDR算法。
How to express, organize and process the global multi-scale spatial data better, particularly the massive vector data, has become a problem that attracts common attention from the GIS scholars.
如何更好地表达、组织与处理全球多尺度空间数据，尤其是海量矢量数据，已成为GIS学者普遍关注的问题。
According to the spatial database building in Nanjing planning bureau, this article describes the process of data loader for vector data.
以南京市规划局矢量地形图数据建库为例，详细地描述了矢量数据入库的处理过程。
Taking engineering as unit, united spatial base being supplied, vector-grid basic spatial data was managed wholly.
以工程为单位，在统一空间基底的前提下，对矢量栅格基础空间数据进行一体化管理。
With the theoretical research, the paper actualized a method of vector spatial data conversion based on GML. Thus can resolve the interrelated matter of spatial data sharing further.
本文提出了基于GML的矢量空间数据转换方案，探讨了基于这个方案实现空间数据共享的相关问题。
With the vector data structure created, we study a lot of spatial analyze arithmetic, such as the shortest path arithmetic.
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。
Finally, according to the definition of difference, this article judges the imperceptibility of watermark algorithm for the GIS vector data through the operation of spatial analysis.
最后，本文从差异性定义出发，通过空间分析操作，判断面向GIS矢量数据水印系统的不可感知性。
Point, line and area are basic elements in GIS vector spatial data.
在矢量GIS空间数据中，点、线和面目标是它的基本要素。
The experiments showed that the model can work efficiently and practically, and keep the topological insistency of the vector spatial data.
实验表明，该模型不仅可行，而且高效，并保持了空间要素和要素之间的几何拓扑一致性。
The overlaying of the vector data above 3D terrain offers the data basis for the spatial data analysis.
矢量数据的加入为在三维地形上进行空间分析提供了可能性。
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.
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。
Then, the processes of computing the vector values of POI objects are discussed by the methods of questionnaire survey, multi-density spatial clustering and data normalization respectively.
然后，分别讨论了利用问卷调查、多密度空间聚类和数据规格化的方法计算POI对象的各项显著性指标值的过程；
Then, the processes of computing the vector values of POI objects are discussed by the methods of questionnaire survey, multi-density spatial clustering and data normalization respectively.
然后，分别讨论了利用问卷调查、多密度空间聚类和数据规格化的方法计算POI对象的各项显著性指标值的过程；
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