vector data的例句大全

efficiency test experiments are designed. node capacity, node accessing quantity and query time of r-tree and cr-tree are analyzed in theory. then we test and verify the theories by vector data.

设计了效率测试实验，对R树和CR树在索引节点容量、查询时节点访问量、查询时间三个方面的效率进行了理论对比分析，并用多幅矢量数据进行了验证。

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Method of Symbolic Vector Data in the Study of the Importance of CAC

矢量数据符号化方法在CAC中的重要性研究

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is is necessary to abstract the topology information from preprocessed image while converting grid data into vector data.

栅格格式数据转换为矢量格式数据时必须提取原图像上包含的拓扑信息。

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study on land use classification based on vector data

基于矢量数据的土地利用分类研究

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It is difficult to testify the validity of this method in mathematics, so this paper uses some vector data at 1:400 scale and an ECW image to verify raster-based map information measurement.

由于栅格地图信息量计算方法难以用数学的方法来证明，论文分别以1：400万全国矢量数据和黄河三角洲的ECW影像数据为例，计算了它们在不同尺度下固定视窗内的信息量。

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This paper focus on the map projection and coordinate system, multi-scale vector data on the sphere of expression, vector data in the symbolic by three-dimensional API and do some systemic analysis, discussion and testing.

重点对地图投影及坐标系、多比例尺矢量数据在球面上的表达、矢量数据在三维API中的符号化进行了较为系统的分析、论述和试验。

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study of vector dataset spatial overlay based on object-relational data model

对象关系数据库中的矢量数据集空间叠加方法

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study of multi-purpose copyright protection of gis vector data

GIS矢量数据多功能版权保护研究

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studying raster data vectorization and vector data rasterization.

研究栅格数据矢量化和矢量数据栅格化方法。

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line vector data storage and display in large area virtual battle-field environment

大区域虚拟战场环境中线矢量的存储与显示

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Stress field in the fuyun, Xinjiang earthquake fracture zone determined by fitting fault slip vector data

用滑动方向拟合法反演富蕴地震断裂带应力场

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Research on Conversion Technology Between Vector Data and Bit Image Data

矢量数据与位映象数据之间的转换技术研究

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This paper describes segmentation feature and fault structural styles of this boundary zone. Paleo-stresses have been determined using measured fault slip vector data and Jurassic-Cretaceous stress evolution has been established.

基于野外观察和构造测量资料，本文论述了该边界带分段特征及断裂构造样式，利用断层滑动矢量资料反演古构造应力方向，建立了侏罗纪&白垩纪构造应力场演化序列。

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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。

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Vector data contains geometric shapes defined by x and y coordinates, and frequently z ( elevation) coordinates.

矢量数据包含由x和y坐标，经常还有z（立面）坐标所定义的几何图形。

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Research and improvement of method for vector data compression based on dynamic programming

基于动态规划算法的矢量压缩方法研究与改进

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Putting forward a vector data rasterization method which is a boundary monument scanning beam rasterization method which combines the boundary monument with scanning line seed.

提出一种矢量数据栅格化方法，即将边界标志法与扫描线种子填充相结合的边界标志扫描线的栅格化方法。

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This paper discusses in detail the structure of UCDOS vector font library and the composing method of vector data and provids the basis for utilizing UCDOS vectorized chinese font.

本文详细分析了UCDOS矢量字库的结构及其矢量数据的组织方法，为直接使用UCDOS矢量汉字提供了依据。

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We realize promulgating vector data through Internet using the network display plug-in of AutoDesk company.

应用AutoDesk公司提供的网络显示插件实现了矢量数据的网上发布。

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The principle of stencil shadow volume is introduced, and an efficient rendering algorithm for 3D vector data is realized, which has the pixel-level accuracy in screen space. 7.

引入模板阴影体原理，实现了一种具有屏幕像素级精度的三维矢量数据高效绘制算法。

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