GeographyGeographyNetworkNetwork

GeographyGeographyNetworkNetwork

David Danko

ESRI

Building a Community…Building a Community…

GeographyNetwork.com GeographyNetwork.com is a Portalis a Portal

GeographyNetwork.com GeographyNetwork.com is a Portalis a Portal

• Gateway for Spatial Catalog SearchingGateway for Spatial Catalog Searching• Metadata Server Technology Maintains Metadata Server Technology Maintains

Registry of Data and ServicesRegistry of Data and Services• Connects Users with Data and GeoServicesConnects Users with Data and GeoServices• Provides Organization and StructureProvides Organization and Structure

A portal for…A portal for…A portal for…A portal for…

• Registering, Registering, • Discovering,Discovering,• Sharing,Sharing,• Using geographic informationUsing geographic information

… A Clearinghouse for Geospatial Information

FeaturesFeaturesFeaturesFeatures• ““One stop shop” for GIS-related information One stop shop” for GIS-related information

– data, services, solutions, clearinghousesdata, services, solutions, clearinghouses

• View, query and download dataView, query and download data– publishers provide links via metadatapublishers provide links via metadata

• Enables direct useEnables direct use– browsersbrowsers– GIS applicationsGIS applications

• GN button built into ArcGISGN button built into ArcGIS– direct link to GN repository of providersdirect link to GN repository of providers

GN CommunityGN CommunityGN CommunityGN Community• UsersUsers

– GIS communityGIS community– Application developersApplication developers– General PublicGeneral Public

• PublishersPublishers– Data, Services, Solutions, ClearinghousesData, Services, Solutions, Clearinghouses

– Free servicesFree services– Commercial servicesCommercial services

– Content ProvidersContent Providers– URL LinksURL Links– Down load dataDown load data

Free ServicesFree ServicesFree ServicesFree Services

• Public domain servicesPublic domain services

• Private contributed servicesPrivate contributed services

• Metadata describes any access Metadata describes any access or use restrictionsor use restrictions

– copyright or license issuescopyright or license issues

Commercial ServicesCommercial ServicesCommercial ServicesCommercial Services• GN Participant AgreementGN Participant Agreement

– Reservation of ownershipReservation of ownership– Web Linking LicenseWeb Linking License– Restriction ReservationRestriction Reservation– End User LicenseEnd User License– Trademark LicenseTrademark License– Web Site MaintenanceWeb Site Maintenance– Limited Warranties and DisclaimersLimited Warranties and Disclaimers– Hold HarmlessHold Harmless– General ProvisionsGeneral Provisions

–Governing LawGoverning Law

Current StatisticsCurrent StatisticsCurrent StatisticsCurrent Statistics• ~ 2000 Publishers/contributors ~ 2000 Publishers/contributors

260 map services – viewing 260 map services – viewing servicesservices

445 data services - downloading445 data services - downloading217 clearinghouses - repositories217 clearinghouses - repositories

• Custom GatewaysCustom Gateways–DE ,TNRIS, UNEP, NJ, NIMA, BLMDE ,TNRIS, UNEP, NJ, NIMA, BLM

PublishersPublishersPublishersPublishersGovernment/NGOsGovernment/NGOs BLMBLM TNRIS CAGIS TNRIS CAGIS

USGS USGSCensus BureauCensus Bureau

EPAEPA World Bank World BankFEMAFEMA WRI WRIGeoMAC WWFGeoMAC WWFHUDHUDNational AtlasNational AtlasNational Health FoundationNational Health FoundationNASANASANature ConservancyNature ConservancyNJOITNJOIT

PADEPPADEP

CommercialCommercial Chalk Butte SystemsChalk Butte Systems

DMTI Spatial DMTI Spatial EarthSatEarthSat

Eastman KodakEastman Kodak ESRI BISESRI BIS GDTGDT National GeographicNational Geographic PennWellPennWell

PixxuresPixxuresSpace ImagingSpace ImagingSynclineSynclineTeleAtlasTeleAtlasWorldSatWorldSat

Benefits of Map ServicesBenefits of Map ServicesBenefits of Map ServicesBenefits of Map Services• Access to potentially large datasets (national Access to potentially large datasets (national

DEM) w/o downloading and storing locallyDEM) w/o downloading and storing locally

• Each access is up to date dataEach access is up to date data

– Weather, flood, earthquake data – do you want Weather, flood, earthquake data – do you want dynamic data on a CD?dynamic data on a CD?

• User views data one screen-full at a timeUser views data one screen-full at a time

– Helps performance on server sideHelps performance on server side

• Maps are easier to view than content in Maps are easier to view than content in tabular formtabular form

Maps vs. TablesMaps vs. TablesMaps vs. TablesMaps vs. Tables

USDA NASS (Ag. Census data generally distributed in USDA NASS (Ag. Census data generally distributed in tables.) Example: render of average farm-size statistics.tables.) Example: render of average farm-size statistics.

Organizational BenefitsOrganizational Benefits Organizational BenefitsOrganizational Benefits • GN contributes content for ~ 1 million GN contributes content for ~ 1 million

map requests per daymap requests per day– Potential for an Organization’s content to Potential for an Organization’s content to

be seen by new audiencesbe seen by new audiences

• Register most popular static data setsRegister most popular static data sets– Publicize offeringsPublicize offerings

• Publish mapping solutions – stand Publish mapping solutions – stand alone applications on your web sitealone applications on your web site– Drive new traffic to your siteDrive new traffic to your site

• Publish base map servicesPublish base map services– Provide sample offeringProvide sample offering

DiscoveryDiscoveryDiscoveryDiscovery

• Data & ServicesData & Services

– Metadata Metadata RepositoriesRepositories

– Catalog Catalog ServicesServices Search, View, And Search, View, And

Use on the InternetUse on the Internet

Metadata CatalogMetadata Catalog

ISO19115 ISO19115 XML XML

StandardsStandards

About Information and Applications. About Information and Applications. Not solely GIS DataNot solely GIS Data

Metadata drives discovery/use of data and servicesMetadata drives discovery/use of data and services

MetadataMetadataMetadataMetadata

• Locate, Evaluate, Extract, EmployLocate, Evaluate, Extract, Employ

• Standardized metadataStandardized metadata

–Provides an understanding of Provides an understanding of data – around the Globe and data – around the Globe and across communitiesacross communities

ISO 19115 MetadataISO 19115 MetadataISO 19115 MetadataISO 19115 Metadata• Designed:Designed:

– to support geographic information;to support geographic information;– to work with wider information technology to work with wider information technology

standards and practices;standards and practices;– to serve the global community, in a multi-to serve the global community, in a multi-

national, multi-language environment;national, multi-language environment;– based on a foundation of national, regional, based on a foundation of national, regional,

and special information community and special information community standards and experiencesstandards and experiences

ISO Metadata EditorISO Metadata EditorISO Metadata EditorISO Metadata Editor

ISO SynchronizerISO SynchronizerISO SynchronizerISO Synchronizer• Automates much Automates much

of the work for of the work for metadata metadata collection and collection and maintenancemaintenance

• Vector and raster Vector and raster information, information, spatial reference, spatial reference, etc.etc.

ArcIMS ArcIMS ServicesServices

ArcIMS ArcIMS ServicesServices FilesFiles

Automatically senses and records properties Automatically senses and records properties Automatically senses and records properties

Build Your Own GNBuild Your Own GNBuild Your Own GNBuild Your Own GN• ArcIMS 4 is “Out-of-the-Box” GN ToolkitArcIMS 4 is “Out-of-the-Box” GN Toolkit

– Metadata ServerMetadata Server–Publish MetadataPublish Metadata–Search MetadataSearch Metadata

– Publish MapsPublish Maps– Distribute DataDistribute Data

• Several Organizations Interested Several Organizations Interested – UN, NIMA, BLM, EPA, Texas, Delaware, New UN, NIMA, BLM, EPA, Texas, Delaware, New

JerseyJersey

ArcCatalogArcCatalog

Internet

ArcIMSMetadata

Server

ArcIMSMetadata

Server

ArcSDE

AuthorAuthor

PublishPublish

DiscoverDiscover

ArcIMS 4.0 allows easier metadata publishingArcIMS 4.0 allows easier metadata publishing

Metadata ServerMetadata ServerMetadata ServerMetadata Server

Metadata Server GoalsMetadata Server GoalsMetadata Server GoalsMetadata Server Goals• DATA SHARING!!!DATA SHARING!!!

– Provide a central repository of metadata that Provide a central repository of metadata that can be accessed by everyone over the internet.can be accessed by everyone over the internet.

– A place for data producers to publish their A place for data producers to publish their data and data consumers to find the data.data and data consumers to find the data.

– Using ArcCatalog publishers can publish to Using ArcCatalog publishers can publish to multiple metadata serversmultiple metadata servers

Publishing MetadataPublishing MetadataPublishing MetadataPublishing Metadata• Publish metadata by Publish metadata by

copy/paste or drag/dropcopy/paste or drag/drop– Copy/drag the metadata Copy/drag the metadata

onto the Metadata Server onto the Metadata Server folder to publishfolder to publish

• Metadata is “copied” to the Metadata is “copied” to the ServerServer– a new record is created in a new record is created in

the database for this the database for this metadata dataset.metadata dataset.

– Contents are indexed to Contents are indexed to optimize search and optimize search and retrieval.retrieval.

• Must have publishing Must have publishing privileges.privileges.

Searching for Searching for Geospatial Data Geospatial Data

Searching for Searching for Geospatial Data Geospatial Data

Metadata Metadata CatalogCatalog

Geography NetworkGeography NetworkGeography NetworkGeography NetworkArcCatalogArcCatalog

HTML or JavaHTML or Java

Clearinghouse Clearinghouse Z39.50Z39.50

Metadata ExplorerMetadata Explorer

Searching MetadataSearching MetadataSearching MetadataSearching Metadata• Use ArcCatalog or the Use ArcCatalog or the

web-based Metadata web-based Metadata Explorer as the search Explorer as the search client.client.

• Searching a metadata Searching a metadata repository is possible in 2 repository is possible in 2 ways:ways:1.1. Via selected search Via selected search

criteria (keyword, criteria (keyword, extent, content type, extent, content type, data theme).data theme).

2.2. By browsing through By browsing through the hierarchy of the hierarchy of documents.documents.

Customizing Customizing Customizing Customizing • Metadata ExplorerMetadata Explorer

- GraphicsGraphics- TitleTitle- Search criteriaSearch criteria- Help instructionsHelp instructions- Display of results, details, map viewsDisplay of results, details, map views

- Metadata ServerMetadata Server- Custom contentCustom content– Based on XML Based on XML

– ISOISO– FGDCFGDC– National profile National profile

Building A GNBuilding A GNBuilding A GNBuilding A GN

Distributed Networks Distributed Networks of Metadata Servicesof Metadata ServicesDistributed Networks Distributed Networks of Metadata Servicesof Metadata Services

• Strategy: provide for harvesting data Strategy: provide for harvesting data to a central serverto a central server

• Sample scripts to achieve the Sample scripts to achieve the harvesting process are available with a harvesting process are available with a custom installation of ArcIMScustom installation of ArcIMS

Geography Geography Network Network

Geography Geography Network Network

• Embraces, Embodies And Builds Upon All The Good Embraces, Embodies And Builds Upon All The Good Work Done by SDI Developers Around the GlobeWork Done by SDI Developers Around the Globe

• Supports Open StandardsSupports Open Standards– FGDC Metadata/Clearinghouse– FGDC Metadata/Clearinghouse– ISO Metadata, OGC WMS and Catalog Services– ISO Metadata, OGC WMS and Catalog Services– – Internet Protocol (XML, HTTP…)Internet Protocol (XML, HTTP…)

……Helping Implement GSDIHelping Implement GSDI