Each toolset performs specific GIS analysis of vector data.
每个工具执行特定的地理信息系统矢量数据的分析。
For reasons you'll see later, we classify PostGIS data as vector data.
我们将PostGIS数据归类为矢量数据，其原因将在下文介绍。
Acquisition of vector data and attribute data is introduced in detail.
详细介绍矢量数据和属性数据的采集。
A three-dimensional path planning method based on vector data is presented.
提出了基于矢量数据的三维航迹规划方法。
Then, the conventional vector data compression methods are introduced simply.
然后对传统的矢量数据压缩方法作了简单的介绍；
Chapter 3 designs the whole system, and analyzes why I choose the vector data format.
第3章对整个系统构架做了一个总体设计，并分析了采用矢量格式的原因。
Applications store GIS data using two distinct data structures: raster data and vector data.
应用程序使用两种不同的数据结构存储GIS数据：栅格数据和矢量数据。
The most difficult problem in vector-vector data fusion is the multi-source and inconsistency of data.
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 thesis discusses a method of vector data compression: subsection Douglas algorithm with the goniometry.
本文提出了一种矢量数据压缩方法：角度分段道格拉斯算法。
It is difficult to automatically and accurately extract vector data from thematic map because of annotations.
注记信息的存在使得从专题图自动获取矢量数据具有一定难度。
This paper proposes a new anomaly intrusion detection method based on support vector data description (SVDD).
提出了一种基于支持向量数据描述算法的异常检测方法。
The analysis toolbox was designed to perform analysis of vector data in a geographic information system (GIS).
分析工具箱的设计目标是在地理信息系统(GIS)中进行矢量数据分析。
The key technique of vector data render based on stencil shadow volume is discussed and is proved by experiments.
提出一种基于模板阴影体算法的矢量数据绘制方法，实现矢量数据在三维场景中的高质量实时叠加显示。
The library gives programmers a common data model covering all raster data formats and -- through OGR -- vector data formats.
该库为编程人员提供了通用的数据模型，包括所有栅格数据格式和矢量数据格式（通过OGR）。
With the vector data structure created, we study a lot of spatial analyze arithmetic, such as the shortest path arithmetic.
同时，根据所建立的矢量数据结构，我们研究了一些空间分析算法，如最短路径算法等。
A problem solved by the invention is to encode and decode video signals using less or no motion vector data side information.
本发明所解决的问题是使用很少的、或者不使用运动向量数据辅助信息，来对视频信号进行编码和解码。
The landscape indices, calculated from the original vector data, can indicate the law of the change of the area accuracy loss.
依据原始矢量数据计算的土地利用景观格局指数，可以在一定程度上揭示精度损失变化特征的规律和成因。
Based on summarizing the existing algorithms of transferring vector data to raster data, an optimization algorithm is proposed.
在总结现有的矢量数据向栅格数据转换算法的基础上，提出一种面积误差最小约束下的优化算法。
The key to realize the combining process of GIS and RS is the technique of format conversion between vector data and grid data.
矢量格式数据和栅格格式数据的相互转换技术是实现GIS、RS结合的关键。
Geometric vector shapes are often called features, leading to the term feature data, which is synonymous with vector data or shape data.
几何矢量形状通常称为特征，指的是特征数据，它与矢量数据或形状数据是一个意思。
According to the spatial database building in Nanjing planning bureau, this article describes the process of data loader for vector data.
以南京市规划局矢量地形图数据建库为例，详细地描述了矢量数据入库的处理过程。
In this paper, several GIS vector data structure models are analyzed and discussed deeply, also their adaptability on PDA are pointed out.
基于掌上电脑，对几种GIS矢量数据组织模型进行了分析和深入讨论，指出了其在掌上电脑上的适应性。
Vector data refers to data defined by geometric constructs, such as line segments representing a street or points representing single locations.
矢量数据指的是通过几何结构定义的数据，如线段表示街道，而点表示位置。
A triangulated irregular network(TIN) is constructed based on vector data, and DEM point-array data is computed by interpolating grid on TIN.
并基于等高线矢量数据建立不规则三角网，再内插格网生成DEM点阵数据。
This paper introduced the method of vector data compression-Douglas-Peucher algorithm into profile data compression and improved the algorithm.
把空间矢量数据的压缩方法道格拉斯-普克法引入到断面数据的抽稀处理中，并对算法进行改进。
As a type of one-class classification algorithm, Support Vector Data Description (SVDD) was used to distinguish target objects from outlier objects.
支持向量域数据描述(SVDD)是一种单值分类算法，用于将目标样本与其他非目标样本区分开来。
A progressive representation model for street networks of vector data was presented based on the theory of plane Euclidean graph and abstract complex cell.
基于平面欧几里得图和抽象胞腔复形理论，提出了街道网矢量数据的渐进式表达模型。
In this paper, the methods of drawing contour line from terrain map, the vector of contour line and generating elevation data from vector data are discussed.
论述了从地形图中提取等高线、对等高线矢量化以及通过矢量数据生成高程数据的实现方法。
Vector data require far less storage than raster data because arc node lists simplify and reduce the data required to make sense of the features contained in the map.
矢量数据要求的存储要比栅格数据少得多，因为弧节点列表简化并减少了表示地图中包含的特征所需的数据。
This paper analyzes the problems in data input of digital map publish especially in vector data input, and indicates the importance of multi-source vector data use.
文中分析了当前数字地图出版中数据输入尤其在矢量数据输入方面存在的诸多问题，指出了多源矢量数据利用的重要性。
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