Each spatial geometry value contains an SRS id (or SRID) to identify the associated SRS.
每个空间几何值包含一个SRSID(即SRID)来标识相关联的SRS。
A student who has trouble with algebraic equations, for instance, may have a talent for spatial geometry.
举例来说,一个学生可能在代数方程序的学习上有困难,但他可能在空间几何方面有天赋。
Base on the theory of analytical spatial geometry and the classification of sheet metal products, the typical sheet metal's unfolding methods are analyzed and the mathematical models are built.
根据钣金件的分类,利用解析画法几何的理论,对典型钣金件进行展开分析并建立它们的展开线数学模型。
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.
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。
Spatial data can become rather complex and require quite a lot of space to store the information of the points that form a geometry.
空间数据可能变得非常复杂,需要很多空间来存储一个几何图形中各个点的信息。
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。
There are two different types of spatial data that can be used: Geometry and Geography.
有两种不同空间数据类型可以使用:Geometry和Geography。
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)。
Converting geometry data to its SVG format is an important part for the rendering of spatial data in web pages.
将几何图形数据转换为svg格式对于在Web页面呈现空间数据很重要。
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 spatial table has a simple structure: a unique, integer column (objectid), one or more columns making up the primary key (copied from the source table), plus a single point-geometry column.
空间表的结构很简单:一个惟一的整数列(objectid),组成主键的一个或多个列(从源表复制的),以及一个点几何列。
This application allows you to view the non-spatial attributes associated with each geometry in a separate frame.
这个应用程序允许在一个单独的框架中查看与每个几何图形相关的非空间属性。
Along the same lines, you also collect the non-spatial attributes for each geometry and encode it in the XHTML document so that they do not have to be retrieved from DB2 whenever they are accessed.
除了这些线之外,还需收集每个几何图形的非空间属性,并编写到XHTML文档中,而不必在访问到它们时从DB 2中检索它们。
The connection between a geometry and its non-spatial attributes is established by "opening" the SVG element of a geometry and adding onmouseover and onmouseout attributes.
几何图形与它的非空间属性之间的连接是通过 “打开” 几何图形的SVG元素,并添加onmouseover和onmouseout 属性来建立的。
Pictured is "Space-Filling blocks," which requires visitors to rely on spatial reasoning, or "mental geometry," to stack a series of red blocks so there's no wasted space.
图为“空间填充块,”这要求访问者在空间推理,或“依赖心理几何”,以堆叠的红色块系列所以没有浪费的空间。
The attic extension respects the existing roof geometry with the exception of adding a new dormer window joined with a terrace in front which creates a spatial expansion.
阁楼扩建部分遵照了现有的屋顶几何形状,只新加了一个前面带有窗台的屋顶窗,创造了一种空间拓展感。
Since rules inferring is faster than geometry computation and requires little time, the rules are of help to improve efficiency of querying spatial data.
由于规则推理比几何计算速度快、内存消耗小,因此推理能够提高基于空间关系的空间数据查询的速度和效率。
The deciding factor to determine whether a geometry will be stored as VARCHAR FOR BIT DATA or as BLOB is the so-called inline length that is applicable to a spatial column in any table.
确定几何图形是存储为VARCHAR FORBITDATA还是BLOB的决定因素就是所谓的inlinelength,这个参数适用于任何表中的空间列。
The final piece of the small Web application that I want to describe is the frame that shows non-spatial attributes whenever you move the mouse over a particular geometry.
对于这个小型的Web应用程序,我要谈到的最后一部分是用于显示非空间属性的一个框架,每当将鼠标移到一个特定的几何图形上时,该框架就显示它的非空间属性。
In this viewing geometry, the spatial footprint of each Diviner detector was roughly 300 by 700 meters.
在这个几何观测角度下,预言家探测仪的每次探测的空间投影范围大约在300米和700米见方。
The dynamic geometry spatial relationship among larger scale streets and buildings is pointed out, which is that buildings influence streets each other, and they fill the whole area.
利用大比例尺城市建筑物和街道之间存在几何空间互补的特点,提出依据建筑物骨架线和街道骨架线对街区进行综合的新方法。
In the H-FDTD method, Hegxagon grid is used for the spatial discretization by virtue of peridodical sampling theorem based on arbitrary geometry.
这种方法基于任意几何形状网格的抽样定理,利用六边形网格来实现空间离散化。
Based on the principle of the spatial inversion, this paper proposes a new method of determining the stroke of the slide block of the spatial slider-crank mechanism by way of descriptive geometry.
本文根据空间反演变换的原理,运用画法几何的方法,对空间曲柄滑块机构滑块行程的确定,提出了一种新的图解法。
In this paper, comparative studies showed that domain knowledge of land management spatial concept covers knowledge of geometry.
本文通过对比研究,发现土地管理空间概念的领域知识,包含几何知识。
This paper analyses the method of analytic geometry for resolving spatial relationship in GIS and summarizes its limitation.
分析了GIS中用解析几何法求解空间关系的特点和缺陷,并提出了采用图形的几何变换法克服它的缺点。
Qualitative spatial reasoning researches the expressing and processing of human cognition of geometry spatial objects and their relations.
定性空间推理研究人类对几何空间中的空间对象及其关系定性认知常识的表示与处理。
However, the spatial data model of main GIS systems only reflect knowledge of management and manipulation objects in field of cartography, such as point, line and poly geometry objects.
当今的GIS系统的空间数据模型,主要反映地图制图领域的点、线、面对象管理与操作的几何知识。
However, the spatial data model of main GIS systems only reflect knowledge of management and manipulation objects in field of cartography, such as point, line and poly geometry objects.
当今的GIS系统的空间数据模型,主要反映地图制图领域的点、线、面对象管理与操作的几何知识。
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