NC OneMap: Building the Statewide Geospatial Data Resource Jeffrey Brown Center for Geographic Information and Analysis October 28, 2004.

NC OneMap: Building the Statewide Geospatial Data Resource

Jeffrey BrownCenter for Geographic Information and

AnalysisOctober 28, 2004

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NC OneMap is … free, statewide data resource

distributed network of servers

Internet-based map viewer

decision support tool with geospatial data as the hub

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NC OneMap is … resource for technical and management staff in federal, state, and local agencies

geospatial data discovery tool for the public

NC’s contribution to the National Map

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Geographic Information Coordinating Council

Gen. Stat. §143-725GIS policy group33 membersLocal, regional, state, and federal participationAdvises the Governor and General Assembly

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Data Inventory

Data, web mapping, applicationsDisplay and update onlineLocal government inventoryState survey underway

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GIS Applications AcrossNorth Carolina

0%

20%

40%

60%

80%

100%

Economic Development Emergency Management

GIS/ Mapping Planning/ Community Development

Police/ Public Safety Public Works

Utilities Water/ Waste Water

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Local Governments Who Create/Update/Integrate/Distribute GIS Data

82.8%

6.3%

10.9%Yes

No (but will withinthe next 12months)No (no timeline)

Estimated $162M investment has been made at the local level

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NC OneMap Initial Data Layers Produced by Cities and Counties

0%

20%

40%

60%

80%

Ortho Cadastral Roads Municipal Bnd.County Bnd. ETJs Surface Waters ElevationLand Use Airports Schools UniversitiesHospitals Storm Surge Police Stations Fire StationsLandfills Watersheds Wetlands Hazardous Disposal SitesBuilding Footprints Future Land Use Water Lines Sewer Lines

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Internet Access to Data

On-line Mapping Application?

45.3%

3.6%

51.1%

Yes No Not Sure

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Requirements

InterviewsDataFunctionalityDirection for Release One Development

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Summary of Requirements

Easy to Use Viewing – Cross JurisdictionalAddress Locator; Zoom To Tools; RouterMetadataPrintDownloadOverview Map

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Summary of Requirements

BufferImpact AreaSearch From PointSupporting DataDesign Elements: Data Groupings, Avoid Clutter; Avoid Animation; Base Layer Default Strategy

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Involvement

Core TeamCommunity GIS CoordinatorsCity/County ManagersPrivate SectorUSGS, CGIA, State Agencies, RegionsYears of Partnering on NSDI

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Results, and work in progress

June 30 release and ongoing updates

48 Communities today, 92 interested

30 Counties, 14 Cities/Towns, 4 COGS

185 data layers from state & local

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Results, and work in progress

Cost of local aerials on NC OneMap today is $4.5 million

Federal, state and private streaming

18 Functions

Distributed network, distributed Services

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How does NC OneMap work?

Map viewer for web browser

High speed Internet

Geospatial backbone: Open GIS protocols enabling multiple servers to serve maps to the viewer

Culture: data sharing, standards, consistency, maintenance, metadata

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www.nconemap.net

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NC OneMap Viewer

20Zoom to a region and display federal data: land cover and roads

21Zoom to a set of counties and display water supply watersheds

22Zoom to a county and display sites and major roads (Wake County)

23Zoom within a county and display labeled points and a reference theme

24Zoom to a neighborhood and display local streets (Wake County)

25Zoom to a site and display imagery (Wake County)

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27Tax parcels and imagery, Nags Head

28High resolution imagery served from Mecklenburg County

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33Zoom to a Point tool request

34Zoom to a Point tool result

35Address Lookup tool request

36Address Lookup tool result

37Measure tool result

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39Asheville region with shaded relief and major streams

40Elevation Profile tool request

41Elevation Profile tool result

42Elevation Query tool result

43Elevation Query tool result – Old Capitol Building

44Address Lookup tool

45Address Lookup tool result – Biltmore Estate entrance

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47Data Extract tool request summary

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Goals of Strategic Plan

Establish NC OneMap foundationCapture the major investments neededIdentify needs for maintenance of the resource

DataInfrastructure: hardware, software, applications, system hosting services, staff

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Benefits of NC OneMap

Cost savings in data collection through regional and statewide approaches

Data consistency across jurisdictions

Much easier access to data for addressing local, regional, and statewide issues

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Benefits of NC OneMap

More efficient use of finite staff resources across all governments

Better, more consistent products from an integrated data resource

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NC OneMap

Showcase what is available

Expose what is missing

Framework for custom map viewers

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What About Statistics?Features: boundaries, lines and point locations

Tabular data

Joining tables to features

Classifying features

53Thematic map using Census data.

54Census data mapped with legend visible on the right.

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What are the topics?Population and housingEmployment and incomeSocio-economic indicatorsVital statistics and healthOthers __________________

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Who are the users?Private business / markets

Public policy and advocacy

Research and analysis

Others: _______________

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What are the common questions and requests?Population characteristics within a distance of a location

Income and poverty by neighborhood

Workforce characteristics by region

Others__________________________

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What are the functions needed?Interactive map designThematic maps / cartographic elementsPrinting Download resultsOthers__________________________

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Thank you!

[email protected] 919-733-2090

www.nconemap.net