矢量空间数据融合中最难的问题来自于数据的多源性、不一致性。
The most difficult problem in vector-vector data fusion is the multi-source and inconsistency of data.
而多源矢量空间数据融合最大的难题之一就是识别多源数据之间的对应实体。
While one of the most difficult tasks in vector-vector data fusion is the identification of corresponding object of multi-source data.
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。
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.
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 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.
在矢量GIS空间数据中,点、线和面目标是它的基本要素。
Point, line and area are basic elements in GIS vector spatial data.
对生成的各种资源空间数据,进行多种图形整饰和矢量化处理,制作出气候资源和作物农业气候区划矢量图产品。
The renovation and vector treatment was made for resource space data of producing, lastly, vector chart of climatic resources and crop agri climatic zoning was shown on.
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。
Spatial information analysis: to change from vector format to grid format, buffering section analysis, spatial data overlap analysis, net analysis, etc.
本文讨论电子政务中基于XML的空间数据交换格式的设计目标、遵循原则、数据模型和矢量数据交换格式中的关键点。
This paper discusses the designed target, followed rules, data models and key points about spatial data exchange format which is based XML and will be used in electronic government.
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。
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.
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。
Taking engineering as unit, united spatial base being supplied, vector-grid basic spatial data was managed wholly.
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。
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.
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.
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.
矢量数据的访问就是对层表中空间数据字段的读写操作。
Data access is through reading and writing the data storing in spatial column of layer table.
矢量数据的访问就是对层表中空间数据字段的读写操作。
Data access is through reading and writing the data storing in spatial column of layer table.
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