UML

UML model for spatial referencing by coordinates:

Create UML model using Umbrello - The UML Modeller. Download and install Umbrello .

Recreate the UML model for spatial referencing by coordinates from previous lesson. The UML model contains five primary UML packages: Coordinate Reference Systems, Coordinate Operations, Coordinate Systems, Datums and
Identified Objects. Show their interdependency.

XML

Send getCapabilities request. https://data.wien.gv.at/daten/geo?version=1.3.0&service=WMS&request=GetCapabilities

Open any browser and copy and paste above written request. You will get back GetCapabilities of Web Map Service in XML format. Explore it.

Now create an XML Document valid against a pre-defined XML Schema.

  • define an .xsd Schema for describing the Central asian cities. 
  • create an XML document which is valid against this schema.You can use Notepad++
  • validate an XML document and the related XSI Schema using online Schema Validator.

GML

Open any vector layer in QGIS and save it in GML format. Open it with Notepad++. Explore it.

Last modified: Thursday, 4 June 2020, 11:19 AM