Global Spatial Data Infrastructure GSDI Technical Working Group status

1
Global Spatial Data Infrastructure (GSDI)
Technical Working Group status

• Douglas Nebert
• GSDI Secretariat and
• U.S. Federal Geographic Data Committee

2
Technical Activities

• Support for communities of practice
• Training activities
• Reference software assessment
• Cookbook developments
• Coordination with Standards Bodies
• Technical Challenges

3
Communities of Practice

• GSDI Secretariat has invested Staff support in
  coordination, consultation, deployment of
  enabling software for
• UNGIWG demonstration project
• Geographic Information for Sustainable
  Development (GISD) Pilot in Africa
• http//clearinghouse5.fgdc.gov/gisd
• Clearinghouse for Afghanistan to begin

4
SDI Training

• GSDI Staff and TWG members have offered SDI
  awareness/training courses

• Eritrea
• Zimbabwe
• China
• Geneva
• Redlands, CA USA
• Kenya
• Japan
• South Pacific

• CODI (Ethiopia)
• AfricaGIS (Nairobi)
• GASSIA Workshop
• South Africa
• Mali
• Ecuador
• US-Canada (Denver)
• Brazil

5
SDI Training materials

• Training materials used in the sponsored
  workshops and outreach are available on the GSDI
  website
• Follow-up with training recipients is ongoing
• Participation in curriculum development is
  encouraged by you as volunteers

6
SDI Support Software

• GSDI seeks to locate well-documented reference
  implementation software for distribution to
  accelerate SDI implementation
• Catalog Service software (Isite)
• Metadata Collection Software (Enraemed)
• Web Map Service software (MNmapserver)
• Javascript OGC WMS Viewer (Multiviewer)
• ESRI GSDI/Global Map Grant program
• Seeking other resources to advertise on the
  website

7
Cookbook Status

• Cookbook contributions coordinated from
  international volunteers by GSDI Secretariat
• SDI Implementation Guide (Cookbook) published as
  Version 1.1, May 2001
• - English - Spanish
• - Chinese - Polish (in process)
• Terminology (Chapter 10) in work by Australia

8
Regional recipes

• Activity in Africa to develop examples for an
  African version of the Cookbook (UNECA,
  EIS-Africa, GSDI)
• European case studies and chapter contributions
  are being developed (AGILE)
• OGC is supporting creation of specific recipes
  for OpenGIS services by vendors and academic
  institutions

9
Interoperability Pages

• GSDI Secretariat, with help from member experts
  is creating an interoperability section for the
  website
• Summary and interpretation of current
  specifications and standards
• Links to resource documents and discussions
• Links to applications using standards

10
GSDI and Standards Advocacy
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Coordination with Standards Bodies

• GSDI is Class A Liaison with ISO TC 211
• Attended Lisbon and Bangkok Plenaries
• Interested in collaboration in Outreach
• OGC interest in supporting national and
  international communities of practice
• Regional Pilots (Africa GISD)
• Community Pilots

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Technical Infrastructure Stack
User Interfaces
Integrative Services (Application Servers)
Access Services
Data
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User Interfaces
browser client
application client
other
Integrative Services
user interface generation
service chain
model
symbolization
overlay
data integration
transformation
web mapping
data fusion
Access Services
registration
validation
catalog
data access
lookup
authentication
Information Sources
spatial data
metadata
schemas
symbols
feature type catalog
place name gazetteer
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Technical Challenges

• Integrating multiple standards and specifications
  together to create a system more than the Sum of
  the Parts
• Communicating complex standards and designs in
  appropriate ways for different consumers
• Developing authoritative online resources for
  national and international use

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Education

• Continue to develop Big Picture designs of how
  the standards and specifications work together in
  an SDI
• Requirement to build a common set of educational
  materials (modules) for use to teach different
  audiences (policy makers and technicians)
  technical and policy-oriented content

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Metadata
UI
UI
UI
UI
managed through
managed through
are derived for each
managed through
Metadata DB/Index
Catalog Service
enter/update
Metadata
is exposed to the Internet through a
are loaded to or stored in
register
API
queries for data or services
may reference instances
may be coupled to or integrated with
are derived from
API
is exposed to the Internet through a
Catalog Client
may send data to
GEOdata Access Service
Spatial Data
makes maps from
Data/File Management System
stored in
distributes to and collates from multiple
Web Mapping Service
draws layers from
API
enhances query with
API
managed through
Gazetteer
API
Gateway
enhances query with
UI
Geoprocessing Service
API
Thesaurus
provides application access through
Symbols
1
2
3
Software/Service
current
planned
1. builds query screens for 2. submits
queries/requests to 3. returns search responses
UI
API
Information
interacts with
Interface
UI
API
User
Application
now
Function
planned.
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Plans for GSDI TWG

• Reconvene and re-evaluate roles and activities of
  Technical WG
• Redesign GSDI website resources for technical
  practices and standards
• Meeting of all interested in TWG on Wednesday 18
  Sept from 1300-1400 (bring food) Szent Istvan
  Room, Mercure Buda Hotel

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Douglas Nebert

• GSDI Secretariat
• http//www.gsdi.org
• U.S. Federal Geographic Data Committee
• http//www.fgdc.gov
• ddnebert_at_fgdc.gov