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The Web Feature Service (WFS) developed by the Open GIS Consortium (OGC) provides geographic data encoding in Geographic Mark Language (GML) on feature level. The WFS specification defines interfaces ...
APPLICATION OF GML-BASED GEO-METADATA FOR DATA QUALITY INFORMATION MANAGEMENT AND DISSEMINATION ON THE WEB
Data Quality In-situ sensor Interoperability GML Metadata
2015/9/28
Nowadays developing geo-metadata with the capacity for data quality management and dissemination plays an important role in GIS/Geomatics world. Data quality information embedded in geo-metadata helps...
Developing an Internet-gis Application Using Gml Technology
Web-based Internet Interoperability
2015/7/9
Spatial Data as one major component of every GIS System has faced many challenges these years. Each software uses its own data format
and exchanging from one format to another may cause some problems...
首先论述了近年来飞速发展的Web GIS的现状及面临的技术难点,然后介绍XML(Extensible Markup Language),GML(Geography Marker Language),SVG(Scalable Vector Graphics)的发展情况以及它们在WEB GIS中的应用前景,论文最后提出了今后企业级Web GIS的解决方案.
以Feature元素为单元的GML文档扩展区域编码ER-Code
GML路径查询 预留编码空间 扩展区域编码
2009/9/17
根据GML数据路径查询中同时进行Feature元素包含关系以及Feature几何特性拓扑关系判断的需要，在研究传统XML路径编码方法的基础上，设计一种以Feature元素为单元的GML文档扩展区域编码：ER-Code。实验证明：ER-Code在编码初始构造、基于编码的整体查询等方面均具有较好的性能，把ER-Code与Feature的空间几何特性融合为一个整体空间，可大大提高GML数据路径查询的效率...