Dutch ministry implements Open(Source) WebGIS

1. Dutch ministry implements Open(Source) WebGIS Wim de Haas Chiel Stroeven Michel Grothe Geo-Information and ICT Department

2. Agenda • Introduction • Survey & business case WebGIS • Proof-of-concept • Implementation GeoServices • Experiences with Open Source Software • Future developments • Demo time • Q&A

3. Mission V&W The core tasks of V&W are: • to guarantee safe, versatile and reliable accessibility both over land and water, through the air, and for telecommunications and post • to offer protection against floods • to ensure clean and sufficient water • 2003 Budget: 6.4 Billion EUR • 2003 Staff: 15.000 fte

4. Organization V&W policymaking execution inspection

5. Mission Geo-Information & ICT Dept to service RWS with accurate geo-information to deliver the generic ICT infrastructural needs and systems

6. Survey & business case webGIS

7. Survey results Bottleneck webGIS applications: • Diversity webGIS software  no interoperability!; • Many app-hosting companies; • Maintenance: lack of time and knowledge; • Strict budget cuts! Remarkable: • 90% of all data and 75% of all functionality is in common

8. Business case

9. Proof-of-concept: Geoservices

10. Agenda • Introduction • Survey & business case WebGIS • Proof-of-concept • Implementation GeoServices • Experiences with Open Source Software • Future developments • Demo time • Q&A

11. Implementation GeoServices • Fully OGC compliant • WMS • WFS • GML • Web Map Context • Styled Layer Descriptor • ISO and CEN • Use of Open Source Software as well as closed source software • Geodan contractor with support from DMSolutions

12. OpenGIS web services 2. Requestor localizes services Registry 1. Provider publishes data and services at Registry Find Publish Requestor Provider Bind 3. Requestor starts service

13. Geoservices Application Architecture Presentation layer Browser ArcGIS OSS OSS OSS Service layer Apache/ Chameleon OSS WMS Geodan OSS OSS IIS WFS Geodan WMS WFS WFS ESRI OSS OSS Deegree WCAS Geocoder MS4W ArcIMS 4.0.1/ ArcMapServer ISO 19119 CEN metadata Geodan Location Database Geodata Geodata Data layer

14. Agenda • Introduction • Survey & business case WebGIS • Proof-of-concept • Implementation GeoServices • Experiences with Open Source Software • Future developments • Demo time • Q&A

15. Experiences OSS (1) • OSS crossed our path • Open mind • Quality • Required functionalities available • Proven stability • Security • Price • No license fees (saving of 50 kEUR) • Benefit from others • Costs of development equal to closed source software

16. Experiences OSS (2) • Support • Active developers and user community with short response times • Quick bug fixing by DMSolutions through support-contract • Development • Anticipating latest developments

17. Experiences OSS (3) • License • No GPL, MIT or ASF style license model • Limits the use in mission-critical applications • Need CVS for provenance tracking • MP’s support for OSS and Open Standards

18. Agenda • Introduction • Survey & business case WebGIS • Proof-of-concept • Implementation GeoServices • Experiences with Open Source Software • Future developments • Demo time • Q&A

19. Future developments (1) • Spring 2005 a new network for V&W • 350 locations, 14.000 users • Bandwidth of 2 Mbps - 1 Gbps • Internet access max. 2 x 1 Gbps • RWS technology standards • LDAP, Active Directory • J2EE • .NET

20. Future developments (2) • Feature services: WFS • Web-editing • Mobile clients • Webclients • Geometry and attributes • Semantics • Towards a GDI

21. Demo time

22. Questions?

23. Thank you for your attention Contact: Michel Grothe: m.j.m.grothe@agi.rws.minvenw.nl Chiel Stroeven: m.h.stroeven@agi.rws.minvenw.nl Wim de Haas: w.c.a.dhaas@agi.rws.minvenw.nl

24. Geoservices user experience (1)

25. Adding kaartbeeld Request meta-informatie Geoservices user experience (2)