空间查询的索引利用一组新的注解通过父类控制。
Indexing for space querying is controlled from the parent class using a new set of annotations.
例如,洪水区域内,用于识别客户的空间查询结果可被可视化。
For example, the results of a spatial query that identifies customers within a flood zone can be visualized.
空间查询技术在矢量要素叠加和洪水模拟演进方面的可视化应用。
The visual application of spatial query technique in the field of vector elements overlapping and the simulative evolution of flood.
同时本系统具有一定的空间分析功能,如空间查询、距离量算等。
Furthermore, the system has some spatial analyzing functions such as spatial query, distance measuring, etc.
空间查询分析技术是地理信息系统研发中需要解决的核心技术之一。
The technology of spatial query and analyse is one of the key points in the development of Geographical Information System (GIS).
定义了空间查询子句的语法和语义,编程实现了相关空间算子的功能。
The syntax and semantics for spatial query clauses are defined, and the implementation of spatial operators and spatial query are also introduced.
这个解析器假设应用程序能够提前将用户输入分成两部分:关键字查询和空间查询。
This parser assumes that an application can split up the user input ahead of time into two parts: the keyword query and the spatial query.
因此,可能有必要使用公共表表达式重新构造空间查询,以确保只调用一次构造函数。
Therefore, it might be worthwhile to restructure your spatial query to ensure just a single call to the constructor function using common table expressions.
本文的最终目标是为进行空间查询(包括基于距离的查询)而准备现有的数据集。
The end goal of this article's exercise was to prepare an existing dataset for spatial queries, including distance-based ones.
Solr在为问题跟踪器获取更多的空间查询解析器支持方面还存在开源问题(参见参考资料)。
Solr also has an open issue in its issue tracker for adding spatial query parser support (see Resources).
这些度量参数加强了面对象间空间关系的描述,可广泛应用于空间查询和空间分析中。
The description of area-area spatial relations are enhanced by these metric parameters, and the parameters are widespread applied on spatial query and spatial analysis.
空间查询是展示局部数据访问(换句话说,现实中临近的几何图形常常被一起访问)的最好例子之一。
Spatial queries are one of the best examples to show locality of data access, in other words, geometries that are close to each other in the real world are often accessed together.
当看到我们在本文前面使用的空间查询时,您会注意到,为了重叠测试,一个新的几何图形被构造成参数。
When you look at the spatial query that we used before in this article, you will notice that a new geometry was constructed as parameter for the overlap test.
三维重建后,可以在三维模型的基础上对矿区进行相应的空间分析,如空间查询、断面分析等。
The spatial analysis of the mining area can be carried out on the basis of the three-dimensional model, for example, spatial query, section analysis and so on.
既然已经填充了空间表,就应该添加空间索引来支持空间查询了;在DB 2中这是一个网格索引。
Now that the spatial table is populated, it is time to add a spatial index to support spatial queries; in DB2 that is a grid index.
本文总结出空间索引系统应提供的三类空间查询:空间范围查询、最近邻居查询、空间连接查询。
We summarize that spatial index system should provides three kinds of spatial query, they are, spatial range query, nearest neighbor query, spatial join query.
该文针对利用GIS现有空间查询接口进行海量遥感栅格数据库空间可视化检索效率低下的问题。
It is inefficient to visually retrieve image on magnanimous remote sensing raster image data base by some GIS spatial query interface.
动态环境中的反最近邻查询已成为空间查询的研究热点,有效的数据空间削减策略是此类查询的瓶颈。
The reverse nearest neighbor search in dynamic environments is becoming a hot topic, and an efficient space trimming method is the bottleneck of such a search.
最后,在两个表(使用较小的inlinelength)上运行空间查询,以显示查询性能不受表空间的影响。
Finally, our spatial query is run against both tables (with the small inline length) to show that query performance is not affected by the table space.
系统功能包括图层管理、设备空间查询、事故抢修支持、设备管理、耗材管理、报表处理和实时数据管理。
Based on the request of the power supply, the functions include map-layer management, space query of equipment, record query and fast repair decision on accident etc.
与管理信息系统不同,它可以利用计算机技术模拟现实世界,进行各种空间查询、空间分析以及模拟预测。
Differing from the management information system, GIS can simulate the real world, do some spatial query or analysis and do some forecast by computer technology.
与管理信息系统不同,它可以利用计算机技术模拟现实世界,进行各种空间查询、空间分析以及模拟预测。
With management information system dissimilarity, it can make use of a computer to imitate realistic world and carry on various space search, space analysis and imitate an estimate.
方向关系是一类重要的空间关系,它在空间数据建模、空间查询、空间分析、空间推理等过程中起着重要的作用。
Direction is a kind of important spatial relationship, it plays an important role in the process of spatial modeling, spatial query, spatial analyzing and spatial reasoning.
由于其庞大的空间数据量以及空间物标、空间查询的高度复杂性,空间查询成为空间数据库应用的难点和研究热点。
Due to its large amount of spatial data and highly complex spatial objects and spatial queries, the study of spatial queries become focus of spatial database research.
本文简单分析了满足GIS空间查询代数的一般要求,然后形式化地定义了一种适合于GIS空间查询的变量查询代数。
General requirements of spatial query in GIS are briefly outlined in this paper. A Variable query Algebra is formally defined for spatial query of GIS.
该系统具有水环境信息的空间查询、表达、统计和绘图等功能,可使环境管理综合决策部门直观、有效地进行水环境质量管理。
This system had such function as spatial seeking, expression, statistical and drawing. It can make it more easy for water environmental management.
通过对几种典型的定性表达模型的分析及比较,论述了单一模型实现空间查询所存在的局限,提出利用组合模型来表达空间关系的方法。
This paper described the limit of the way using one model by comparing several typical models of qualitative representation of spatial relationships and provided a new way using two models.
通过对几种典型的定性表达模型的分析及比较,论述了单一模型实现空间查询所存在的局限,提出利用组合模型来表达空间关系的方法。
This paper described the limit of the way using one model by comparing several typical models of qualitative representation of spatial relationships and provided a new way using two models.
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