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2015 Imagery is Here

Feb 1

Written by:
2/1/2016 4:40 PM  RssIcon

We are pleased to announce that the orthoimagery collected in 2015 for 24 counties comprising the Southern Piedmont and Mountains section of North Carolina is now available online from the NC OneMap Geospatial Portal. As in previous years, this imagery is available both as a web service and via download. The orthoimagery is true color imagery and has a pixel resolution of 6 inches. This means you can zoom in to a scale of about 1:575 before the imagery starts to lose clarity. The raw imagery was compressed during processing. Visually you can't tell the difference. However, image analysis (using the actual pixel values) is discouraged.

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CAD or GIS user? We've got you covered with streaming imagery services
Whether your tool of trade is AutoCAD, Carlson, Microstation, QGIS, or ArcGIS, our imagery web services make it a breeze to take advantage of online imagery without the hassle. Set up the connection to the web service and that's it! You now have access to the imagery each and every time you need it. Connect to our Orthoimagery_Latest service, and you can be assured of always viewing the most recent imagery we have for any location in the state. No need to go through the process of downloading and storing imagery on a project by project basis. 

Get answers to your imagery questions on our FAQ page. We also have short tutorial videos showing how to configure connections to our web services using GIS and CAD software. Check it out. You'll be glad you did.

Which one should I use? Read the descriptions below to find out:

  • Orthoimagery_Latest: An image service showing the latest imagery available for any given location in NC. This is the most versatile service (supports hundreds of map projections) and is a seamless statewide coverage.
  • Orthoimagery_Latest_cached: An image service that shows the same imagery as "Orthoimagery_Latest." However this image service is cached for improved performance. Zoom levels are pre-defined and is limited to the "web mercator" projection. Best used when building custom web applications. Overlays correctly with other common web maps from Bing, Google, and Esri.
  • Orthoimagery_All: All the imagery collections (1996-2015) in one image service. This service is time-enabled which allows for viewing changes for an area over time. However, this is a huge data set. The tradeoff of being able to view all of it in one service is that the performance is a bit slower than the other services due to the huge number of individual images.
  • Orthoimagery_2015: Imagery for the 26 counties comprising the Southern Piedmont and Mountains portion of North Carolina (coverage map)
  • Ortho_boundaries: A map service showing the coverage extents for all collections of imagery.

Downloading Imagery - Grab N' Go
Although there are many advantages to using the services (we encourage you to use this method whenever feasible), we realize that there are cases where you may prefer to download it. If this is the case then visit the "download imagery" page on the NC OneMap Geospatial Portal. Please keep in mind that we restrict you to about 72 square miles per download (80 tiles) due to bandwidth concerns. This area represents about half the size of major cities in North Carolina. If you need larger areas of imagery then you can contact us to arrange a data transfer (hint: you're going to need to send us a hard drive). The 2015 imagery is produced as part of the ongoing NC Orthoimagery Program.

Imagery collection is already underway for 2016 and is expected to be online this time next year. As always, we welcome any comments you may have and are happy to answer any questions. Just shoot us an email.

2 comment(s) so far...

Re: 2015 Imagery is Here

Does anyone have any tips or shortcuts for downloading imagery for a county-sized area?

By Kelder Monar on   2/2/2016 3:44 PM

Re: 2015 Imagery is Here

Thanks for posting! If you really need an entire county the best option is to contact us so that we can work with you to get you the imagery offline.

By Brett Spivey on   2/5/2016 1:29 PM

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 News Minimize
Feb '16 - 2015 Imagery Online
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Feb '14 - 2013 Imagery Online
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