NSDI Framework NSDI Framework Data Services OverviewData Services Overview
August 9, 2007August 9, 2007
Jeff Harrison, CEO, The Carbon Project and Director, geoLeaders NetworkJeff Harrison, CEO, The Carbon Project and Director, geoLeaders [email protected][email protected]
This work is licensed under a This work is licensed under a Creative Commons Attribution-Noncommercial-ShareAlike 3.0 LicenseCreative Commons Attribution-Noncommercial-ShareAlike 3.0 License
• Current effort an outgrowth of a Current effort an outgrowth of a National Spatial Data Infrastructure National Spatial Data Infrastructure (NSDI) Cooperative Agreement (NSDI) Cooperative Agreement Program (CAP) project -Program (CAP) project -
– Developed reference implementation Developed reference implementation of the National Hydrography Dataset of the National Hydrography Dataset (NHD) through a CubeWerx Web (NHD) through a CubeWerx Web Feature Service (WFS)Feature Service (WFS)
– New profile of Geography Markup New profile of Geography Markup Language (GML) for easy access Language (GML) for easy access geospatial information (GMLsf) geospatial information (GMLsf)
– Collaboration of geoLeaders, Collaboration of geoLeaders, CubeWerx, The Carbon Project, EPA CubeWerx, The Carbon Project, EPA and USGS and USGS
NHD accessed from CubeSERV Web Feature Server (WFS)using free Gaia 2 geospatial viewer in 2005.
• Implementation of the Implementation of the NHD via WFS successfully NHD via WFS successfully demonstrated that NSDI demonstrated that NSDI based on open standards based on open standards is feasible - Effort resulted is feasible - Effort resulted in the current projectin the current project
NHD accessed from CubeSERV Web Feature Server (WFS) Using CarbonArc Lite for ESRI ArcGIS.
• Fulfill vision of the NSDI, enable operational NSDI Framework Fulfill vision of the NSDI, enable operational NSDI Framework Data Services based on ANSI and OGC standards. Data Services based on ANSI and OGC standards.
• Implement key improvements to make WFS a viable platform Implement key improvements to make WFS a viable platform for operational NSDI applicationsfor operational NSDI applications
• Provide key support to the “tapestry” that weaves together a Provide key support to the “tapestry” that weaves together a national geographic information “system of systems”national geographic information “system of systems”
• Propel the United States into a leadership position in the Propel the United States into a leadership position in the implementation of interoperable spatial data infrastructures implementation of interoperable spatial data infrastructures for E-Governmentfor E-Government
• Task 1 - Operational NSDI Framework Data Service for Task 1 - Operational NSDI Framework Data Service for the Hydrography, Transportation & Governmental Units the Hydrography, Transportation & Governmental Units Framework Data ThemesFramework Data Themes
• Task 2 - Automated Transactions to Update Operational Task 2 - Automated Transactions to Update Operational NSDI Framework Data Service NSDI Framework Data Service
• Deploy operational NSDI Framework Data Service for the Deploy operational NSDI Framework Data Service for the Hydrography, Transportation & Governmental Units Framework Hydrography, Transportation & Governmental Units Framework Data Themes as OGC Web Feature ServicesData Themes as OGC Web Feature Services
– Implementation & Loading for Transportation & Governmental Units Implementation & Loading for Transportation & Governmental Units in addition to the National Hydrography Datasetin addition to the National Hydrography Dataset
– Deploy as operational NSDI Framework Data Services Deploy as operational NSDI Framework Data Services
• Validate GMLsf Profiles defined for the Framework Data Validate GMLsf Profiles defined for the Framework Data Themes as part of the CAP Grant ProgramThemes as part of the CAP Grant Program
– Review Hydro/Gov Units/Transportation schemasReview Hydro/Gov Units/Transportation schemas– Validate against UML, validate against GMLsf Level 1Validate against UML, validate against GMLsf Level 1
• To make the use of the Framework Data Theme Web Feature To make the use of the Framework Data Theme Web Feature Services viable for operational applicationsServices viable for operational applications
– Implement an automated transaction-based update processImplement an automated transaction-based update process
– Maintain integrity, currency and consistency of the CubeWerx WFS Maintain integrity, currency and consistency of the CubeWerx WFS with maintenance/production systems based on ESRI’s with maintenance/production systems based on ESRI’s GeodatabaseGeodatabase
• This component includes working with the USGS to coordinate This component includes working with the USGS to coordinate the Transaction capabilitythe Transaction capability
• Seven core data themes are considered Seven core data themes are considered Framework Data of critical importance to Framework Data of critical importance to the NSDI –the NSDI –
• Supports the exchange of geospatial dataSupports the exchange of geospatial data
• Seeks to establish a common baseline for the semantic content Seeks to establish a common baseline for the semantic content of databases for public agencies and private enterprisesof databases for public agencies and private enterprises
• Seeks to decrease costs and simplify exchange of data among Seeks to decrease costs and simplify exchange of data among local, Tribal, State, and Federal users and producers and local, Tribal, State, and Federal users and producers and discourage duplicative data collectiondiscourage duplicative data collection
• Benefits include the long-term improvement of the geospatial Benefits include the long-term improvement of the geospatial data through the establishment of Web data services for data and data through the establishment of Web data services for data and maps within multiple communitiesmaps within multiple communities
• Concise documentation of Framework Data content needed to Concise documentation of Framework Data content needed to support the support the intersectionintersection of stakeholder requirements of stakeholder requirements
• Includes conceptual/abstract model of the feature types, Includes conceptual/abstract model of the feature types, attributes, relationships, identifiers in UMLattributes, relationships, identifiers in UML
• Includes appropriate description of all elements and a narrative to Includes appropriate description of all elements and a narrative to provide scope and context for its useprovide scope and context for its use
• Includes an informative annex describing the encoding of the Includes an informative annex describing the encoding of the model in XML/GML including an XML-Schema document to model in XML/GML including an XML-Schema document to facilitate validation of data facilitate validation of data
• Online services to efficiently store, manage and provide Online services to efficiently store, manage and provide web-based web-based AccessAccess for high volumes of Framework data for high volumes of Framework data at multiple resolutions at multiple resolutions
• Optimized for online delivery and based on OGC Web Optimized for online delivery and based on OGC Web Feature Server (WFS), Filter Encoding (FE) and the Feature Server (WFS), Filter Encoding (FE) and the Geography Mark-Up Language Simple Features Geography Mark-Up Language Simple Features (GMLsf) Specifications(GMLsf) Specifications
• Data in ANSI Framework Standard for common Data in ANSI Framework Standard for common community frameworkcommunity framework
NSDI Framework NSDI Framework Data ServicesData Services
• Massively scalable online spatial data Massively scalable online spatial data warehousewarehouse
• Web Feature Service technology for Web-Web Feature Service technology for Web-based access – using HTTP as distributed based access – using HTTP as distributed computing platformcomputing platform
• Capacity to dynamically navigate through all Capacity to dynamically navigate through all of the providers data sources as well of the providers data sources as well as fuse data layers from multiple remote as fuse data layers from multiple remote data sources and types (Cascading WMS)data sources and types (Cascading WMS)
• Based on CubeWerx® SuiteBased on CubeWerx® Suite
DesignDesign
DataDataDataData DataDataDataDataDataDataDataData
Web FeatureService
Web FeatureWeb FeatureServiceService
NSDI Framework Data Service canProvide over 170 megabytes
– Highly scalable Spatial Warehouse that handles Highly scalable Spatial Warehouse that handles massive amounts of all types of geospatial datamassive amounts of all types of geospatial data
– Built on Oracle, used to store, manage, access and Built on Oracle, used to store, manage, access and publish geospatial data (vector, matrix and imagery) publish geospatial data (vector, matrix and imagery) over the Webover the Web
• CubeSERV® Web Feature ServerCubeSERV® Web Feature Server
– CubeSERV Feature Server builds on the CubeSERV Feature Server builds on the CubeSTOR, providing a web-based service for CubeSTOR, providing a web-based service for spatial data delivery on the Webspatial data delivery on the Web
– Implemented using the latest OGC Web Feature Implemented using the latest OGC Web Feature Server (WFS), Filter Encoding (FE) and the Server (WFS), Filter Encoding (FE) and the Geography Mark-Up Language Simple Features Geography Mark-Up Language Simple Features (GMLsf) Specification(GMLsf) Specification
• GMLsf Level 1 defines a simple GMLsf Level 1 defines a simple profile of GML for encoding profile of GML for encoding geographic featuresgeographic features
Why GMLsf?Why GMLsf?• Greatly simplifies development of NSDI-based Greatly simplifies development of NSDI-based
applicationsapplications
• Makes it easy to use GML and WFS in multiple Makes it easy to use GML and WFS in multiple applicationsapplications
• Can be integrated into new applications on Can be integrated into new applications on network-connected mobile, desktop and multi-network-connected mobile, desktop and multi-media platformsmedia platforms
• Some potential applications for hydrography, Some potential applications for hydrography, transportation and governmental boundaries transportation and governmental boundaries content in GMLsf include content in GMLsf include – natural resource managementnatural resource management– crisis management and situational awareness crisis management and situational awareness
systemssystems– environmental site assessments and impact environmental site assessments and impact
statementsstatements– risk and vulnerability assessmentsrisk and vulnerability assessments– many othersmany others
GMLsf Hydro Elements and Road Segments from NSDI Framework
Data Services combined with EPA Katrina damage GML
NSDI Framework NSDI Framework Data Service Data Service includesincludestransaction-transaction-based update based update process to process to maintain integrity, maintain integrity, currency and currency and consistencyconsistency
NSDI Framework NSDI Framework Data Services OverviewData Services Overview
August 9, 2007August 9, 2007
Jeff Harrison, CEO, The Carbon Project and Director, geoLeaders NetworkJeff Harrison, CEO, The Carbon Project and Director, geoLeaders [email protected][email protected]
This work is licensed under a This work is licensed under a Creative Commons Attribution-Noncommercial-ShareAlike 3.0 LicenseCreative Commons Attribution-Noncommercial-ShareAlike 3.0 License
(http://creativecommons.org/licenses/by-nc-sa/3.0/)(http://creativecommons.org/licenses/by-nc-sa/3.0/)You are free to share this work, just give us (the geoLeaders Network) You are free to share this work, just give us (the geoLeaders Network)
attribution for any bits and pieces you use – enjoy!attribution for any bits and pieces you use – enjoy!
