Initiatives and Activities Minimize

Learn about important ongoing initiatives
of the statewide GIS community

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Read more about GICC priorities and initiatives.


 NC OneMap Geospatial Portal Minimize
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Discover North Carolina Geospatial Data

 US National Grid - Tools for NC Minimize

GICC Adopts US National Grid Format

The Geographic Information Coordinating Council adopted the US National Grid as a presentation layer for NC OneMap data.  This provides an additional visual option for users of the NC OneMap web viewer.  North Carolina, supported by a grant from the Federal Geographic Data Committee, developed custom GIS datasets and training materials, held workshops in 2008, and demonstrated the use of the US National Grid in mapping and group navigation.  The final report details the grant activities, shows North Carolina examples, and clarifies the benefits of the US National Grid for finding locations in emergencies when state or federal assistance is needed.  The project file, including training materials, are available as a ZIP file. 

The USNG is a presentation format standard developed by the Federal Geographic Data Committee [FGDC-STD-011-2001]. The coordinate reference system was adopted to provide a nationally and globally consistent language of location optimized for local applications and larger-scale mapping.

The USNG is intended for everyday applications by the general public and public safety providers, and for improved business practices in support of the general economy. Commercial vendors and publishers of street and highway maps in North Carolina are encouraged to adopt the USNG.

The availability of feature locations as USNG values is particularly valuable during times of disaster, such as major hurricanes where the street signs and landmarks have been destroyed. The USNG improves public safety by providing a uniform means to describe an incident location where street addresses may not be specific enough – such as a large campus or industrial complex. This also benefits mutual assistance operations. Furthermore these USNG values can be directly used in low-cost consumer Global Positioning System (GPS) receivers to guide a person to the precise point of interest or to locate it on a web-mapping portal.

Using the National Grid vs. State Plane Coordinates

The GIS Technical Advisory Committee clarified that the USNG is an option for visual data presentation only. It does not replace the North Carolina State Plane Coordinate System as specified under state law (ex. Surveying operations, cadastral applications, property descriptions, etc.)

Use of the USNG does not require a change in the digital geospatial data storage format in a Geographic Information System. Data creators and users can continue storing data in latitude/longitude degrees, decimal degrees, or State Plane. Nor does it replace the use of latitude/longitude on aeronautical or nautical charts. The USNG does not replace street addresses, but supplements them as a universal map index to rapidly identify the location of a street, street address, or feature.

To see a quick explanation and mapping sample of the US National Grid, click here.

The GIS Technical Advisory Committee Asks for More…

In addition to the adoption of the US National Grid Standard [FGDC-STD-011-2001], the GIS TAC had other recommendations for the GICC.
  • The TAC recommended that procurement language for geospatial information services, systems, and products include a USNG functionality requirement as appropriate to the spirit of this policy.
  • Encourage data users to learn more about the USNG from the Federal Geographic Data Committee’s web site
  • Geospatial professionals should proactively educate their constituents on how to use and read the grid, and ensure that mapping products depict the grid.
  • Use the grid on business cards and letterhead, as well as on community web mapping sites, street and feature indexes.

To read the full GIS TAC Report and Recommendations, click here.

 Announcements Minimize
February 2015 - 2014 Imagery Available

The 2014 orthoimagery is now available from the NC OneMap GeoSpatial Portal. Read the full article for all of the details.

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January 2015 - Understanding Raster Imagery Compression

The GIS TAC has produced a document to guide and educate users on the compression of raster imagery.

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December 2014 - Addresses Available From NC OneMap

With the recent completion of the update to the Master Address Data Set, the 2014 version is now available from the NC OneMap GeoSpatial Portal.

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October 2014 - LGC Newsletter Published

The importance of statewide parcel data is described in the second edition of the new LGC newsletter.

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June 2014 - NC Parcels Project Final Technical Report

The final technical report marks the successful completion of the NC Cadastral Data Exchange project. The report has been completed and is now available. 

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June 2014 - Parcels Now Online
Standardized parcel data for 25 counties is now available as a map service, a feature service, or as downloadable data. Visit the NC OneMap Geospatial Portal.  read more ...

June 2014 - Geoportal Adds NCDOT Web Services
More than 40 new web services from NC Department of Transportation, including rail lines and road characteristics, are discoverable through the NC OneMap Geospatial Portal. read more ...

Feb 2014 - LGC Newsletter Published

The use of statewide data in local government has been showcased in the first edition of the new GICC newsletter.

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Feb 2014 - 2013 Imagery Online
The imagery for 25 counties in the Eastern Piedmont region is now available as a region-wide image service and for download in areas of interest. Visit the NC OneMap Geospatial Portal or watch the video to see a demo of how to access the new imagery.
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Feb 2014 - Geospatial Portal Adds Data

The NC OneMap Geospatial Portal added more content in 2013. Watch the video to see a demo of the features or visit the geospatial portal and check it out for yourself.

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