SIG with XML 4

Next subset from XML is GML ( Geographic Markup Language). GML represent a subset XML for the transformasi of and depository of geographical information, goodness of data spatial and or the non spatial from a[n geographical obyek. GML is specification from Opengis Consortium .

GML provide the independent and open framework to define the obyek and scheme from a application SIG. This Matter improve the ability to shar the geographical information and scheme. This format also playing important role in implementation of Web Feature Server ( WFS).

WFS is a module which implementation of interface standard to operate for the data spasial staying in a datastore. The Datastore can be in the form of the general SQL database, flat XML File, spasial database, proprietary of format etc, and manipulation to its data can be done by passing Web. HTTP Server is server which can serve the HTTP request. Client application is application communicating with web server use the HTTP, for example one of browser.

Standard which interoperable water down the client in using web as geographical data access medium and other geographical service. Of course, GML only arrange to hit the scheme and writing of data spasial, while to present it can use SVG.