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VESTA-GIS Module on Web Services. Anders Östman University of Gävle, Sweden Anders.Ostman@hig.se. What is a web service?. A web page is written in a standardised language (html), but its content is not standardised. It is made for visual reading, not for automatic processing
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VESTA-GIS Module on Web Services Anders Östman University of Gävle, Sweden Anders.Ostman@hig.se VESTA-GIS/NatureSDIPlus workshop 2008-11-06
What is a web service? • A web page is written in a standardised language (html), but its content is not standardised. It is made for visual reading, not for automatic processing • A web service provide the client with standardised files. These files can be used by other web services (chained) VESTA-GIS/NatureSDIPlus workshop 2008-11-06
Content • What are web services • Web service standards • Some OGC specifications • Web Map Service • Web Feature Service • Web Processing Service VESTA-GIS/NatureSDIPlus workshop 2008-11-06
Service Oriented Architecture (SOA) – The OSE model Human interface Business logic Integrating concepts (TCP/IP, SOAP, WSDL, UDDI) Generic services Database services VESTA-GIS/NatureSDIPlus workshop 2008-11-06
Course outline • Lecture 1: Basic concepts of web services (4 files). • Reading (for details, see literature list) • Wikipedia, 2007. Web Services • W3Schools, 2007. Web Service Tutorial • W3C, 2002. Web Service Architecture (not mandatory reading) • W3Schools, 2007. Web Glossary – always as reference (not mandatory reading) • Lecture 2: Web Processing Services (1 file). • Reading • OGC, 2005. Web Processing Services (not mandatory reading) • Self test VESTA-GIS/NatureSDIPlus workshop 2008-11-06
VESTA-GIS e-learning platform • http://netcampus.inspire-x.se/vestagis • Login credentials required • Procedure for this will be published soon at the VESTA-GIS and NatureSDIPlus project web sites VESTA-GIS/NatureSDIPlus workshop 2008-11-06