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NC OneMap Discovering and Using Data
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Geospatial Portal Demo
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How to Search for Data
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http://www.nconemap.com/ParcelsforNorthCarolina.aspx
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Center for Geographic Information & Analysis
Jeff Brown Coordination Program Manager jeff.brown@nc.gov 919-754-6584
Tim Johnson Director, CGIA tim.johnson@nc.gov 919-754-6588
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Second Section of Slide Set
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NC OneMap Discovering and Using Data
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Sharing quality data is good for North Carolina
NC OneMap Why?
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A good map + collaboration = mutual benefits
NC OneMap Why?
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Value of Statewide Datasets
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Consistency – data standardized across counties and regions Efficiency – data can be analyzed comprehensively Trust – data documented from state and local government sources Capability - do more in less time
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NC OneMap What?
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• Partnerships • Data sharing • Data standards • Documentation • Archiving
Geospatial Portal – Data downloads (~300) – Map services (~90)
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NC OneMap Geospatial Portal
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Surveyor Citizen Forester Planner
Dept. Agriculture NC DOT Dare County
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NC OneMap Imagery
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• Historical ( 1996 – 2009 ) • Orthoimagery Program ( 2010+ )
• Statewide coverage • 6” resolution • True color, leaf off • Updated - fly 25% every year • No area with imagery older than 4 yrs.
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NC OneMap Parcels
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• Statewide coverage
• Provided by county governments
• ~5.6 million parcels, 30+ attributes
• Updated regularly (TRANSFDATE field)
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NC OneMap Other Data of Interest
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Flood Zones
Soils
USGS Quads
Hydrography
Wetlands (NWI) Geodetic Control Pts.
Political Boundaries
Water Sources Parcels
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NC OneMap How?
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• Files to download and use with GIS software • Store locally • Check with source for updates • Functionality depends on software • Archive with project data
• Web services to consume in GIS software or applications • Streaming from a server • No local storage • Streams the latest updated service • Functionality varies (map service v. feature service)
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Web Map Service Formats
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AutoCad Civil 3D / Map 3D
Bentley Microstation V8i
Esri ArcGIS
QGIS (free) Gaia 3 (free)
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Geospatial Portal Demo
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How to Search for Data
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http://www.nconemap.com/ParcelsforNorthCarolina.aspx
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And Now This Windsor was established by an act of the Colonial Assembly in 1768 at the site known as what?
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For Another Snack Windsor was entered in the National Register of Historic Places in what year? Bonus: who won the ACC men’s basketball tournament that year?
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For Another Snack
Which of the following is not a strategic business cluster for Bertie County (2013)? A. Agribusiness B. Bio-mass and energy C. Advanced manufacturing D. Adventure tourism E. Waterfront development
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Geographic Information Matters!
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Economic Development Example
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Criteria: • Vacant land at least 20 acres • Near US Highway interchange • Polk or Rutherford County
Supporting Data:
• Imagery • Transportation • Property boundaries • Address points • Elevation
Scenario: Industry seeking to develop site in NC
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Where are they?
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Show potential sites that meet developer criteria
Potential sites meet criteria on both sides of county boundary
With standardized framework data, results can be queried and viewed at one time
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What does it look like?
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Display the imagery Farmland? Forest? Adjacent parcels? Select an area of interest for more detail (yellow)
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What is the site like?
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Add 20-foot elevation contours Add address points (orange) for additional reference
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Adding Parcel Services in ArcGIS
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ArcCatalog
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Adding Parcel Services in Other Software
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OnlineResource…. Xlink:href=“ http://services.nconemap.gov/arcgis/services/NC1Map_Parcels/MapServer/WmsServer?
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NC OneMap Tutorial Videos
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1. Overview – searching for data and web services 2. What’s new in the Geospatial Portal 3. How to use Esri based web services 4. How to use Open Geospatial Consortium (OGC) services 5. Search the Portal directly from the browser 6. How to download imagery 7. Use WMS services in Microstation 8. Use WMS services in AutoCAD 9. Use NC OneMap services with Carlson
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AutoCad
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https://www.youtube.com/watch?v=tYyXxePYL_A&feature=youtu.be
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A Vicinity Map Using Services
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Useful Links
http://data.nconemap.gov • Tutorial videos • Auto-notification of new data
http://nconemap.gov
• Latest news/developments with our blog • General program information
https://services.nconemap.gov
• Links to services hosted by CGIA • FAQ / Best practices for GIS web services
http://ncgicc.org
• Information about the NC Geographic Coordinating Council
• statewide initiatives, standards, contacts
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Contact NC OneMap
Brett Spivey NC OneMap Programmer brett.spivey@nc.gov 919-754-6591
David Giordano NC OneMap Database Administrator david.giordano@nc.gov 919-754-6585
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