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National Map Data and Services May 10, 2018 - prd-wret.s3 ... · Store data in unzipped, optimal...
Transcript of National Map Data and Services May 10, 2018 - prd-wret.s3 ... · Store data in unzipped, optimal...
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+National Map Data
and Services
May 10, 2018
Rob Dollison National Geospatial Program
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■ Data ■ Services Overview■ What’s Next
Outline
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+ 3U.S. Board on Geographic Names
Domestic ForeignNames Committee Names Committee
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+ 4TNM Supporting ThemesBoundaries, Transportation, Structures
1. Establish National Authoritative Sources and/or National Authoritative Integrators
2. Implement National committees
3. Apply enterprise supply/value chain principles
4. Incorporate GNIS_ID
5. Evolve themes to maintenance condition
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+ 5Transportationfor The National Map▪Bureau of Census – TIGER Roads▪DOT roads▪FS roads▪Railroads▪Airports▪Seaports▪Ferry Routes▪Recreational Trails
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+ 6Transportation
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+ 7+ 7The National Map Corps• The National Map Corps volunteers are
successfully editing structures in all 50 States, Puerto Rico, and the US Virgin Islands. Structures include schools, hospitals, post offices, police stations and other important public buildings.
• Volunteers collect and/or improve structures data by adding new features, removing obsolete points, and correcting existing data using a web-based mapping tool. Both newly collected and modified point features become part of the USGS National Structures Database, The National Map, and ultimately U.S. Topo Maps.
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+ 8
Services
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+ 9Enabling others through... ■ Products
■ US Topo, Map Data, etc.■ Data Download
■ GIS Services■ Base Maps■ Theme Overlays■ Index/Data Availability
■ Other APIs■ TNMAccess■ ScienceBase.gov■ Data.gov
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+ 11Five Tile Cached Base Mapshttp://basemap.nationalmap.gov
Hydro
Imagery Topo
USGS Topo
Imagery Only
Hillshade
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+ 13Data Availability - Spatial Metadata Services
● Overlay services suitable for visualizing product availability and often backed by rich attribute information to further enhance filtering and visualization.
● 3DEP Elevation Index
● US Topo Availability
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+ 14+ 14TNMAccess API
Simplified search API for the National Map products and services.
■ Custom API■ Services■ Datasets (Collections)■ Products■ Notifications
Resolves download products by searching ScienceBase.gov.
Home Page: https://viewer.nationalmap.gov/tnmaccess/Guide: https://viewer.nationalmap.gov/help/documents/TNMAccessAPIDocumentation/TNMAccessAPIDocumentation.pdfServices JSON: https://viewer.nationalmap.gov/tnmaccess/api/servicesDatasets JSON: https://viewer.nationalmap.gov/tnmaccess/api/datasets? Product Search Form: https://viewer.nationalmap.gov/tnmaccess/api/productsForm
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Product Metadata PublishingMetadata providing search, discovery and access to files in open data portals through our APIs
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+ 16+ 16Lidar Data Download
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Where We Are● Download Mentality
○ We show users where data exists. (WMS & API)○ We offer visualization of the data through services. (WMS) ○ We package data into products of various formats and extents for download.○ We provide limited direct access to data through services. (WFS, WCS)
● Impractical with Big Data○ Packaged products can't be used directly without unzipping.○ TBs of data aren't easily processed on Desktops. ○ Existing standard services (WCS, WFS) address some, but not all, needs.○ Many use cases are still undefined and require custom workflows.
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Where We Want To Be
● Download as Last Resort Mentality○ Store data in unzipped, optimal formats ready for direct
processing by standard services or custom processes.
○ Provide basic visualization, analysis and extraction functions through services on an open platform.
○ The platform additionally provides the potential processing capacity for building unforeseen custom workflows and processes against big data.
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+ 20Elevation Pilot - New Services for FY18■ Pilot Completed■ Dynamic Elevation
Services for:■ Hillshade■ Slope■ Aspect■ Contours and more..
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+ 21Lidar Visualizationhttp://prd-tnm.s3.amazonaws.com/test/LidarExplorer/index.html
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+ 22Goal
■ Centralize Unzipped, Optimized Data in the Cloud■ For direct use by our own services.■ For direct use by others without downloading/copying.
■ Provide basic standardized services for visualization, analysis and extraction. For example: WMS, WFS, WCS, etc.
■ Allow Others to Leverage Cloud Computing Capacities■ Scalable computing power with direct access to data■ Build-your-own possibilities within the cloud
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Questions & Discussion