Geo. Bliki EO 1. GEOBLIKI. COM Geo. Data…Blog…Wiki…Forum… “Building Communities Around Geospatial Data” Pat G. Cappelaere pat@vightel. com FOSS 4 G 2006 Sept 11 -15 Lausanne, Switzerland eo 1. geobliki. com www. vightel. com 1
OGC SWE Work in Progress • Open Geo-Spatial Consortium – OWS-4 Interoperability Testbed: Dec 2006 – Sensor Web Enabled Data Node • EO-1 Web Enabled Tasking (SPS) • EO-1 Subscriptions/Notifications (SAS) – Content Distribution (Geo. RSS/Atom Feeds) • EO-1 Data Retrieval Queries (WFS) • Role-based Access Control and Identity 2. 0 • EO-1 Data Access and Automated Processing – SOS, Sensor. ML, WPS, WCS, BPEL – EO-1 Capabilities Registration eo 1. geobliki. com www. vightel. com 2
Architecture Diagram EO-1 Data Node Register eb. RIM Registry Discover eo 1. geobliki. com www. vightel. com 3
EO-1 The OWS-4 Satellite : ) • Earth Observing-1 (EO-1) Mission – New Millennium Program (NMP) – Technology-Driven Mission • • NASA Goddard Space Flight Center (DC) Jet Propulsion Laboratory (CA) Autonomous Sciencecraft Onboard Experiment Model-based diagnostics, CASPER JPL Planner and Expert System • Onboard Cloud Cover Detection and Prediction • Automated Detection of Volcanoes and Fires with Collaborating Space/Ground Assets eo 1. geobliki. com www. vightel. com 4
EO-1 • Low Earth Orbit, Sun Synchronous • Hyperspectral Land Imager (Hyperion) – 7. 5 km Swath – 224 bands (VNIR/SWIR) • Multispectral Advanced Land Imager (ALI) – 37 km cross-track coverage – 9 MS Bands (30 m) – 1 Panchromatic Band (10 m) More Info: http: //eo 1. gsfc. nasa. gov/ http: //ase. jpl. nasa. gov/ http: //directory. eoportal. org/pres_EO 1 Earth. Observing 1. html eo 1. geobliki. com www. vightel. com 5
Geo. Bliki for SWE • Many Data Nodes • Low Cost of Entry – Open Source – Ruby on Rails for Quick Prototyping – My. SQL – Typo, Hieraki, RForum, RBAC – Wild. Fire (XMPP), Chat – Yadis/Open. ID – Community Map. Builder, Ajax – Social Network Analysis, Friend-Of-A-Friend eo 1. geobliki. com www. vightel. com 6
Why A Blog for a WFS? • Processed Imagery Becomes Available Almost Daily. • Automatic Content Management • Archival • Retrieval – Tags – Categories eo 1. geobliki. com www. vightel. com 7
Content Syndication & Distribution • Aggregators – Pubsub/Feedster… • Subscriptions – By AOI or other filter… – Email, SMS, IM… – Desktop Alerts… • News Readers • Geo. RSS/Atom Feeds – www. georss. org A SAS for the rest of us! eo 1. geobliki. com www. vightel. com 8
Geo. RSS/Atom 1. 0 • Current Development/Research Work – Extending Atom • OGC Specific Tags… – Geographic Granularity • Flinn-Engdahl – 50 Regions – 757 Zones <entry> … <georss: where> <gml: Point> <gml: pos>-159. 774, 62. 1664</gml: pos> </gml: Point> </georss: where> <georss: zone_number>1</georss: zone_number> <georss: zone_name>Central Alaska</georss: zone_name> <georss: region_number>1</georss: region_number> <georss: region_name>Alaska - Aleutian Arc</georss: region_name> </entry> eo 1. geobliki. com www. vightel. com 9
WFS Spatio-Temporal Queries Powered by Community Map. Builder eo 1. geobliki. com www. vightel. com 10
OGC Geo. Wiki • Create a WMC/OWSContext Document • Add Comments… • And Eventually Annotate It! • Create/Share Your Own page eo 1. geobliki. com www. vightel. com 11
Identity 2. 0 • • • Hot Issue for OGC Web Services Requirements – Know Your User ($$? ) – Know His/Her Access Permissions (Profile Exchange) – Allow Users From Other Trusted Organizations – Support A Federated Environment of Trusted Servers Our Current Approach for HTTP Get/Post: – YADIS/Open. ID – Every Geo. Bliki User Gets an Open. ID URL SOAP Approach TBD OGC Geo. DRM Digital Rights Management Thread Might Change This eo 1. geobliki. com www. vightel. com 12
Sensor Planning System (SPS) • For Authenticated/Authorized Users – Point & Click Tasking • Get. Feasibilities • Submit. Tasking • Status – Notifications/Alerts using email, IM • JPL Site for Target Overflight Times • UAH SOS for Orbit Prediction – To Be Integrated • Weather Prediction & Cloud Coverage eo 1. geobliki. com www. vightel. com 13
Service Chaining (Goal) SAS BPEL/Sensor. ML Syndication SOS WPS/ Sensor. ML WCS WFS Blog WMS SPS eb. RIM Registry eo 1. geobliki. com www. vightel. com Water, Fire… 14
Geo. Bliki Connections eo 1. geobliki. com www. vightel. com Building a Community… 15
Geo. Bliki Community eo 1. geobliki. com www. vightel. com 16
Lessons Learned • Data Availability/Access Problem • User Identity Problem (RBAC) • Federated/Decentralized Systems vs. Centralized System • Simple Interfaces Win • Geo. RSS Content Syndication • Email is still pretty good! (Geo. RSS over email) • SOAP Issue eo 1. geobliki. com www. vightel. com 17
Thank You • • EO 1 Geo. Bliki Development Team – Pat Cappelaere pat@vightel. com – Linda Derezinski linda@innovatesolutions. com – Stu Frye sfrye@mitretek. org – OGC OWS-4 SWE Group (John Davidson…) Sponsors – Goddard Space Flight Center • Dan Mandl – OGC • George Percival – Naval Research Laboratory • Mike Hurley • Omar Medina eo 1. geobliki. com www. vightel. com 18
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