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Implementing ISO 19115

Implementing ISO 19115. Aleta Vienneau and David Danko ESRI. Introduction. Implementing ISO 19115 - Metadata Have built tools that let people create ISO metadata using ArcCatalog ArcCatalog is one of a suite of desktop products provided with ArcGIS

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Implementing ISO 19115

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  1. Implementing ISO 19115 Aleta Vienneau and David Danko ESRI

  2. Introduction • Implementing ISO 19115 - Metadata • Have built tools that let people create ISO metadata using ArcCatalog • ArcCatalog is one of a suite of desktop products provided with ArcGIS • ISO metadata can be published on the Internet using the Geography Network

  3. Background: What is ArcCatalog? • A tool for exploring and managing geographic data • File-based data on disk in many formats • Design and implement spatial databases in an enterprise RDBMS • Access vector, image, metadata services on an ArcIMS Internet servers

  4. Browse for data

  5. Preview geography

  6. View an analyze tables

  7. Change properties and attributes

  8. Explore metadata

  9. Design goals for metadata in ArcCatalog • Make it easy to create and use metadata • Create editors that are easy to use • Create and update metadata automatically with a dataset’s current properties

  10. Design goals for metadata in ArcCatalog • Support FGDC and ISO metadata content standards out-of-the-box • Support other standards through customization • Support metadata for everything • Geographic data, non-spatial files, folders, databases, etc.

  11. Design goals for metadata in ArcCatalog • Metadata is part of the data • Travels with the data when copied, moved, renamed, or exported • Doesn’t get lost • Achieve our goals using open, flexible, industry standard technology • Metadata stored in XML format

  12. ISO metadata tools in ArcCatalog • Editor for typing information • Stylesheets for viewing • Synchronizer for updating automatically • Importers and exporters • Translator from one standard to another

  13. ISO metadata editor • New wizard-based editor designed for the average person • Elements are introduced by plain language • Navigate with Next and Back buttons or go directly to a page using the TOC • Handles core elements as defined by 19115

  14. ISO metadata editor

  15. ISO metadata editor • Red asterisks indicate mandatory elements • Which pages have mandatory elements • Which elements on a page are mandatory • Disappear when information is provided

  16. ISO stylesheets • Stylesheets map metadata elements in XML to HTML for better viewing • Similar to SQL queries—select data and define how to show it • Display the same metadata record in many ways with different stylesheets

  17. ISO stylesheets

  18. Automatically senses and records properties Automatically senses and records properties Files ISO synchronizer • Automates much of the work for metadata collection and maintenance • Vector and raster information, spatial reference, etc. ArcIMS Services

  19. Demo

  20. Author and publish metadata • Scientist generates a dataset • Metadata is automatically generated • Scientist augments metadata using editor • Publishes data as image map service • Publishes metadata to Geography Network

  21. What is the Geography Network? • Builds on the NSDI / GSDI clearinghouse • A collection of geographic information managed by a librarian • Three key parts • Providers • Users • “Clearinghouse” (GN Portal) Data Providers Connect and Use Publish Geography Network Portal Users Search

  22. What is the Geography Network? • When searching for data you find: • Ordering information, ftp download sites, WMS services • Geography Network emphasizes variety of immediately available services • Live maps, data streaming, zip & ship datasets, GIS services—positioning, and solutions—flood risk mapping • Support enterprise GIS, eGovernment, eCommerce

  23. HTML or Java Clearinghouse Z39.50 ArcCatalog Searching the Geography Network • Can use many search clients Geography Network Metadata Catalog

  24. www.geographynetwork.com

  25. www.geographynetwork.com

  26. Search for data in ArcCatalog

  27. Search for data in ArcCatalog

  28. Issues in implementing ISO 19115 • To adequately describe data we need to use many ISO standards, e.g. • 19110: Feature cataloguing methodology • 19111: Spatial referencing by coordinates • No clear way to integrate information defined by multiple parts of ISO 19xxx standards • If there isn’t a standard XML DTD, the information isn’t interoperable

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