The data used for Figure 1 is provided as sample data to the DB2 Spatial Extender.
本文将图1使用的数据作为DB2Spatial Extender 的示例数据。
Creating and using geometry values such as points requires the DB2 Spatial Extender.
创建和使用几何值(比如点)需要DB 2Spatial Extender。
The spatial extender provides an index advisor that helps you to tune your spatial index.
spatial extender提供了一个indexadvisor，以帮助您调优空间索引。
The spatial Extender import procedures allow you to explicitly specify the inline length for the spatial column.
Spatial Extender导入过程允许显式地为空间列指定inlinelength。
The figure below shows a registered spatial column (location in table wells_pts) in the spatial Extender catalog.
下面的图显示Spatial Extender编目中注册的一个空间列(wells_pts中的location)。
The point column is registered as a spatial column using a spatial Extender procedure, associating it with the right SRID.
使用一个Spatial Extender过程将点列注册为空间列，这会将它与正确的SRID关联起来。
Fortunately, the DB2 Spatial Extender already provides most of the logic and we just have to tie it together for our purposes.
幸运的是，DB 2Spatial Extender已经提供了大部分的逻辑，我们只需根据自己的目的将它们组合到一起。
The complete definition of that geometry USES 0.9 MB disk space in the Spatial Extender internal format (which USES compression).
按照Spatial Extender内部格式，这个几何图形的完整定义要使用0.9MB的磁盘空间(使用了压缩)。
Conversion from one datum to another requires specialized algorithms and trained users, and is not supported by the Spatial Extender.
从一种大地基准点转换到另一种需要专门的算法，而且要求用户受过训练，Spatial Extender不支持这种转换。
The DB2 spatial Extender comes with an index Advisor that you can use to optimize indexes defined on columns that contain spatial data.
DB 2Spatial Extender附带了一个IndexAdvisor，可以用它来优化包含空间数据的列上定义的索引。
This extender adds richer location semantics over the traditional latitude/longitude projections available with the DB2 Spatial Extender
这个扩展器（extender）增添了比用DB2Spatial Extender获得的传统纬度/经度投影更丰富的位置语义。
Note: IBM DB2 Spatial Extender provides a native function to find whether a given geometry falls within the boundaries of another geometry.
备注：IBMDB2Spatial Extender提供了一个原生函数来确定给定的几何图形是否落入另一个几何图形边界内。
The DB2 spatial Extender does not only provide data types but also comes with a wide variety of spatial functions and methods to perform spatial operations.
DB 2Spatial Extender不仅提供数据类型，而且还附带了很多用于执行空间操作的空间函数和方法。
Note that, following the paradigm of the DB2 Spatial Extender, the offset is subtracted from the floating point value before the scale factor is multiplied in.
注意，按照DB 2Spatial Extender范例，在乘上比例系数之前，浮点值要减去偏移量。
In the terminology of the Spatial Extender, this is the Spatial Reference system (SRS), a combination of an earth-based coordinate system and a set of numeric conversion parameters.
在Spatial extender术语中，这是SpatialReferenceSystem (SRS)，它组合了基于地球的坐标系和一组数字转换参数。
When importing shapefiles with the DB2 Spatial Extender import tools it is recommended that you do not try to load the data directly from the CD but rather copy it first on a hard disk.
当使用DB 2Spatial Extender导入工具导入shapefile文件时，建议不要尝试直接从CD装载数据，而是先将它复制到一个硬盘上。
Spatial support for DB2 for z/OS provides mostly the same functionality as the extender.
DB2for z/OS 的空间支持提供了几乎与扩展器相同的功能。
Spatial support for DB2 for z/OS provides mostly the same functionality as the extender.
DB2for z/OS 的空间支持提供了几乎与扩展器相同的功能。
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