V2EX gml

GML

定义 Definition

GML 通常指 Geography Markup Language(地理标记语言):一种基于 XML 的标准,用来描述地理要素(如点、线、面)及其属性,常用于 GIS(地理信息系统)、空间数据交换与互操作。
(在不同语境中,GML 也可能指 GameMaker Language 等其他缩写。)

发音 Pronunciation

/di m l/

例句 Examples

The city publishes its open map data in GML.
这座城市用 GML 发布其开放地图数据。

To integrate datasets from different agencies, the team converted shapefiles into GML and validated them against the official schema before loading them into the spatial database.
为整合来自不同机构的数据,团队将 Shapefile 转换为 GML,并在导入空间数据库前依据官方模式(schema)进行校验。

词源 Etymology

GML 是首字母缩写,来自 Geography + Markup + Language,意为“用于表达地理信息的标记语言”。作为开放标准,它由相关标准组织推动,用于促进不同系统之间的地理数据共享与交换。

相关词 Related Words

文学与作品 Literary Works

  • OpenGIS Geography Markup Language (GML) Encoding Standard(OGC 标准文档;GML 的权威规范来源)
  • OGC GML 3.2.1 Encoding Standard(常被引用的版本规范与实现依据)
  • 各类 GIS 教材/技术书籍的空间数据交换章节(通常会以 GML 与 KML、GeoJSON 并列比较)
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