Learn more about A to Z GIS GIS Dictionary Browse dictionary # A B C D E F G H I J K L M N O P Q R S T U V W X Y Zvector dataShare URL [modeling] Data in point, line, or area (polygon) format. See also line point polygon
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z vector URL copiedShare URL [data models]A coordinate-based data model that represents geographic features as points, lines, and polygons. Each point feature is represented as a single coordinate pair, while line and...
Digital Line Graph (DLG):[file format]DLG is vector data format developed and distributed by the United States Geological Survey (USGS) depicting geographic features like terrain, hydrography, transportation and man-made features. Digital Orthophotos Quadrangle (DOQ):[file format]DOQ is a geometrical...
Synonyms Data models; Data representations; Vector Models; Raster Models Definition Geographic data models are used to represent real world objects (e.g., buildings, roads, land parcels, rainfall, soil types, hills and valleys, etc.) within ageographic information system. These data models are ...
IDRISI Vector 文件类型 .VCT .VDC 描述 IDRISI vector矢量数据文件具有VCT扩展名以及具有VDC扩展名的关联矢量文档文件。 VCT格式仅限于点,线,多边形,文本和照片。创建IDRISI矢量文件后,它将自动创建用于构建元数据的文档文件。 属性直接存储在矢量文件中。但是您可以选择使用独立的数据表和值文件。
the systems save each data type to a distinct layer. Layers can be overlaid on a map and analyzed for relationships between the physical features of the landscape and other data layers. Layers can present information usingraster graphicslike satellite and aerial photographs orvector graphicsin the...
eigenvector analysis特征向量分析 eigenvector特征向量 EIS process环境影响评价过程 electric mail;e-mail电子邮件 electronic bearing电测方位 electronic chart电子海图 Electric Chart and Display电子图形显示信息系统 Information System;SCDIS electronic chart data base;ECDB电子海图数据库 Electronic Data Collection电子...
eigenvector analysis 特征向量分析 eigenvector 特征向量 EIS process 环境影响评价过程 electric mail;e-mail 电子邮件 electronic bearing 电测方位 electronic chart 电子海图 Electric Chart and Display 电子图形显示 信息系统 Information System;SCDIS electronic chart data base;ECDB 电子海 图...
Vector data model: 3 feature -> point, line,polygon-> 2 components: geometry & attributes With label of the identifier in a different field in the form of a relational database Raster data model: 2 type: continuous &discreteraster
Global data localization Satellite map elevation Situation plotting deduction 3D dynamic annotation and deduction Vector identification library, model library Compliance with standards and interfaces Plotting map data output High-definition image data is output on demand Public SafetyPublic Safety government...