1. Met Ocean DWG Progress report Met Ocean WMS 1.3 Best Practices
87th OGC Technical Committee
Mumbai, India
Marie-Francoise Voidrot, Chris Little
Co chairs Met Ocean DWG
2nd December 2013
Copyright © 2013 Open Geospatial Consortium

2. Copyright © 2012 Open Geospatial Consortium
Background
The Met Ocean DWG has been created in March 2009 to provide an open forum for work on meteorological data interoperability
First focus on WMS issues and Modelling to set foundations to the works
Copyright © 2012 Open Geospatial Consortium

3. Activities Communicate towards OGC Standard Working Groups
Communicate towards the Met Ocean Community
Modelling activities
WMS best practices
Interoperability experiments (« to test solutions in reality »)
Defining priorities of activities

4. WMS 1.3 interoperability issues
Sept 2009 : 10 issues :
Time handling (12 times)
Bounding Box, Anti-Meridian, poles & Southern Hemisphere, Projections (6 times)
Vertical coordinates (5 times)
Metadata, search and filtering (4 times)
Performance (4 times)
Asynchronous and dynamic delivery (3 times)
Styling (3 times)
Security (2 times)
Integration with other systems, such as WCS, GRIB, OpenDap (2 times)
Cross section description (1 time)
A first proposal of Met Ocean Best Practices for WMS 1.3 focussing on Time and Vertical coordinates handling

5. Met Ocean Best Practices for WMS 1.3
Document provided in the pending documents and on the twiki :
Submitted in Seoul TC (december 2012) , reviewed to integrate 52 change requests,
Updated doc submitted to MODWG vote to conclude the formal OGC process
Synthesis of a collaborative consensual work
Editors :
Marie-Françoise Voidrot, France, Meteo-France
Chris Little, UK, Met Offi ce
Jürgen Seib, GE, DWD
Roy Ladner, US, COMNAVMETOCCOM
Adrian Custer , non affiliated
Jeff de La Beaujardière, US, NOAA
Stephan Siemen, ECMWF 5

6. Document content 1.Introduction 2.Scope 3.References
4.Terms and Definitions
5. Conventions
6 Requirements
6.1 Time Independent Data
6.2 Time dependent Data
6.2.1 TIME axis
6.2.2 REFERENCE_TIME axis
6.3 No Vertical dependency
6.4 Elevation dependent Data
6.4.1 ELEVATION axis using numeric values
6.4.2 : ELEVATION axis using named surfaces
Annex A: Dimensions and Coordinates
Annex B: GetFeature Info
Annex C: Summary of the Best Practice Impacts on WMS1.3 Implementations