gazetteer for new zealand - united nations · 2015-05-01 · gazetteer for new zealand side event:...
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Gazetteer for New Zealand Side Event: Demonstration of New Gazetteers/DatabasesDate/Time: Tuesday 31 July 2012, 1pm to 2.45pmChair: Pier-Giorgio Zaccheddu, Convenor of the Working Group on
Toponymic Data Files and Gazetteers of UNGEGN
Wendy Shaw | Secretary, New Zealand Geographic BoardNgā Pou Taunaha o Aotearoa
UNCSGN / UNGEGN, New York, 30 July to 10 August 2012
See related Report E/CONF.101/51 on the UNGEGN Website
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Outcomes for External Users
• Access to history, origin and meaning for official names
• Text and spatial searching
• View physical extent of officially name named features
• Open layers of data for WFS connection or downloads
“ensure the provision of, and public access to, an authoritative record of official geographic names”
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Project Work Allocation
• RFP – Request For Proposal, 2010 – resulted in the need for a more cost-effective solution
• Database design/schema, build, testing, migration, open layers, base map, completed internally by LINZ
• Web Application developed by Datacom, LINZ’sIT service provider
• Base map hosted/served by third party (Koordinates Ltd)
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Application Solution
• Secretariat- Quantum GIS
• External User- Web Application- LINZ Data Service
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Postgresql/PostGIS/Quantum GIS
Benefits:
• Open source components
• Customised Quantum GIS Management application built with Python
• Easy incorporation of many mapping data services
• Uses in-house knowledge/expertise
• Low total cost
• Responsive open source community for support
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Database Model/Schema
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Base Map
http://haast.onetrackmind.co.nz/#!/map/gazetteer_basemap
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Constraints/Issues/Challenges
• Web App does not have a base map for Antarctica or the Continental Shelf of New Zealand
• Web App does not include advanced searches, egsearching for just official names. Rationale: cost and simplicity, noting that external users can download the whole dataset as a CSV file or use the open layers in their GIS applications
• Data quality issues from current data formats
• LINZ staff working on other priorities
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Before – XLS or PDF
http://www.linz.govt.nz/placenames/find-names/nz-gazetteer-official-names
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After – Web Application
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Demo of Web Application
• http://dev.linz.govt.nz/about-linz/news-publications-and-consultations/corporate-publications/gazetteer/
• Note that this is still in development and is not the final product/service
• Soft launch scheduled for mid-September 2012
• Brief pilot for external users, so an opportunity for UNGEGN members to participate?
• Ongoing improvements over time
• LINZ to investigate a Gazetteer Service to combine each of its ‘Names’ datasets (Electoral, Topographic, NZGB)
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Open Layers
http://data.linz.govt.nz/
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Contact
Wendy Shaw, Secretary, NZGB, [email protected], PO Box 5501, Wellington 6145, New Zealand64 + 4 + 4600581, http://www.linz.govt.nz/placenames