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- In addition,the results also indicate that KDT has better capacity of indexing spatial data objects(i.e.line,area,volume,etc.) covering a certain space compared to KD tree. 此外,KDT树亦能较好地解决常规KD树在索引占据一定空间范围的空间对象(如:线、面、体等)时存在的问题。
- A structured collection of data objects, forming a data type. 多个数据对象的结构化汇集,以形成一种数据类型。
- spatial data objects 空间数据对象
- Data of SWEM include spatial data and table data. 水土保持监测数据根据数据格式划分,可分为空间数据和表格数据。
- The text to add to the data object. 要添加到数据对象的文本。
- Retrieves an audio stream from the data object. 检索此数据对象中的音频流。
- Then the spatial-temporal data model is defined as a series of temporal slices of spatial ADT, which includes both data objects and functions. 该抽象数据类型的定义包括其数据对象和相关操作,将其嵌入对象关系数据库中,扩展其时空数据的存储和查询能力。
- We can describe and explain objects with tridimensional data, the basic path depicting it is collecting and getting the spatial data. 获取这些信息的手段多种多样,其中使用车载三维数据采集是较快捷的方式。
- Research on extensible frame of polymorphic spatial data management locatesthe last layer of data storage object model in building VGE platform. 如何在虚拟地理环境平台建设中,把涉及的空间数据组织管理起来,是本文研究的重点。
- A structured collection of data objects,forming a data type. 多个数据对象的结构化汇集,以形成一种数据类型。
- This paper presents a knowledge representation for GIS spatial data, describes all kinds of spatial relations between spatial objects using 4-tuples models and 9-tuples models. 摘要探讨了GIS空间数据的知识表示结构,使用四元组和九元组模型来进行各类型的空间属性关系描述。
- To give a value to a data object at the beginning of its lifetime. 在某一数据实体的生命期开始时,给它一个值。
- Found location in operations with character-type data objects. 在字符类型数据对象操作时查找定位。
- With the combination of database technology and GIS application, the method of manage spatial data using object relational database technology will he the currently tendency. 摘要随着目前数据库技术与GIS应用的结合,采用对象关系数据库来管理空间数据已表现出强大的生命力。
- An error occurred when trying to create the upload data object. 在尝试创建上载数据对象时发生了一个错误。
- The system was unable to allocate a new data object. 系统无法分派新的数据对象。
- The system can accomplish figure data management, attribute data management and spatial data analysis. 该系统是一个集图形数据管理、属性数据管理和空间数据分析为一体的管理信息系统。
- A data object to write to the output file or stream. 要向输出文件或流中写入的数据对象。
- An identifier for the set of values that a data object may have. 资料类型:一个标识符为资料反对的套价值也许有。
- A GIS is often used to store, retrieve, and render this Earth-relative spatial data. GIS系统通常用于存储,查询,及绘制空间信息。
