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NCSU Libraries Geospatial Data Services. Jeff Essic Data Services Librarian DH Hill Library [email protected] 515-5698. Libraries GIS Services. Data Resources Networked In Library Assistance Finding & Getting Data Using Data & Software Workstations & Software Virtual Campus Courses

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Ncsu libraries geospatial data services

NCSU LibrariesGeospatial Data Services

Jeff Essic

Data Services Librarian

DH Hill Library

[email protected]


Libraries gis services
Libraries GIS Services

  • Data Resources

    • Networked

    • In Library

  • Assistance

    • Finding & Getting Data

    • Using Data & Software

  • Workstations & Software

  • Virtual Campus Courses



Virtual campus
Virtual Campus

  • Free to NCSU faculty, staff, students

  • 80+ courses and workshops

  • 15-25 hours per course

  • Includes exercises with provided data & software

  • Certificate for course completion


Popular virtual campus courses
Popular Virtual Campus Courses

  • Learning ArcGIS 8.x, Part I and Part II

  • Learning ArcGIS Spatial Analyst

  • Creating, Editing, and Managing Geodatabases

  • Introduction to Visual Basic 6

  • Exploring Marine Science with


  • Introduction to ArcView 3.x

  • Understanding Map Pro-

    jections and Coordinate


Networked data access at ncsu
Networked Data Access at NCSU

  • Geodata Server

    • Mapped drive from Windows, Mac

      map to

    • FTP


    • HTTP (Web)

      for off campus access, requires authentication

Data distribution
Data Distribution

  • Federally produced unclassified data is public-domain

  • State, local, and commercial data are held by NCSU under distribution agreements that limit their use to NCSU affiliated users for educational purposes only.

  • Distribution of data for “un-seeable” features (underground infrastructure) is being stopped for homeland security.

Factors in choosing geospatial data
Factors in Choosing Geospatial Data

  • Source - Fed, state, local, international, other

  • Extent - watershed, Census tract, county, state, etc.

  • Age - 1-2 years old vs. 3-7 vs. 8 or more

  • Data accuracy and scale - positional and Attribute

  • File size - How much free space do you have?

  • Attribute availability

  • Metadata availability

  • File/Image Format

  • Projection and Datum

  • Use Restrictions

Federal data sources
Federal Data Sources

  • Federal data is public-domain and easily downloaded from numerous websites.

  • - Federal data portal linked to agency data sources

  • - Interactive mapping and download

  • - Cascading Map Server

State data sources
State Data Sources

  • NC Center for Geographic Info. & Analysis

    • Wide range of data, over 100 different layers

    • Scale: mostly 1:24,000 to 1:100,000

    • Available to NCSU via geodata server

  • NC DOT


    • DOT data, contours, FEMA flood, ’93 aerial photos, USGS DRG’s,

  • NCSU PrecisionAg (Soil Science)


    - Census, DLG, NRCS soils, ’98 Color IR Orthophotos

Local data layers and sources
Local Data Layers and Sources

  • Typical layers include parcels, street centerlines, digital orthophotos, miscellaneous districts, zones, infrastructure, and cultural features.

  • Sources:

    • Download from the Web

    • Available from the library

    • Acquire directly from the city/county.

Other data sources
Other Data Sources

  • Council of Governments, Ex/ Regional open space

  • Utilities

  • University Faculty and Peers

  • Commercial data products, usually originate from govt. sources, but are value added

    • Maptech

    • Delorme

    • National Geographic

    • Geolytics

Census data resources web
Census Data Resources-Web

  • Download TIGER shapefiles from tigerline/index.html

    - Some basic tables can be downloaded here too

  • Generate tables from

    - American Factfinder: ( or

    - NC State Data Center (

    - Be sure to get a geographic ID field to join your tables to the shapefiles.

Recent acquisitions
Recent Acquisitions

  • Delorme’s Xmap 4.5

    • Complete US coverage of DRGs

      on an external hard drive, plus

      3-D viewing available at DH Hill GIS workstation

  • Maptech’s DigitalCharts

    • NOAA digitized Nautical

      Charts and photos

    • Norfolk VA to Florida plus

      Intracoastal Waterway


LIght Detection And Ranging.

Measure distance, speed, rotation, chemical composition/concentration of a remote object

Airborne LIDAR for the flood mapping program has been collected for 2/3 of NC.

This data can be processed for many different applications

Symposium being planned for May 14


Ncfloodmaps com

  • Web Data Viewer

  • Property/Flood Zone

    Lookup Tool

  • Data Download Tool

    • flood zones

    • state govt. data

    • local govt. data

    • 20 and 50ft. ASCII

      digital elevation data

National digital information infrastructure program proposal ndiipp
National Digital Information Infrastructure Program Proposal (NDIIPP)

  • NDIIPP is a Library of Congress effort focused on preservation of digital resources.

  • Our proposal focuses on NC state/local geospatial data partnering with CGIA.

  • Try to acquire data, document it with preservation metadata, and ingest it into digital repository for long term maintenance, investigate new protocols.

  • Content: feature data, imagery, digital maps, tabular

  • 3 year grant--$1 million+ project, 4-6 total awards. Slim chance of us receiving, but we’re still in the running

Contact (NDIIPP)

Jeff Essic

Data Services Librarian

[email protected]


DH Hill Library, Research & Information Services