The tennessee base mapping program
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The Tennessee Base Mapping Program. Dennis Pedersen, Director OIR – GIS Services. “A New Beginning”. TNBMP…A New Beginning. Initial Production Complete Accomplishments Summary Ortho Imagery Pilot Program TDOT Partnership Enterprise GIS – TNMap (“The Tennessee Map”).

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The Tennessee Base Mapping Program

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The tennessee base mapping program

The Tennessee Base Mapping Program

Dennis Pedersen, DirectorOIR – GIS Services

“A New Beginning”


Tnbmp a new beginning

TNBMP…A New Beginning

  • Initial Production Complete

  • Accomplishments Summary

  • Ortho Imagery Pilot Program

  • TDOT Partnership

  • Enterprise GIS – TNMap

    (“The Tennessee Map”)


The tennessee base mapping program

TNBMP…A New Beginning

Let’s take a look back…


The tennessee base mapping program

TN Base Mapping Program

Pilot Counties – 1997, 1998


Milestones accomplishments a few quick facts

Milestones/AccomplishmentsA few quick facts:

  • Total cost: $28 million

    • $19 million (ortho, DTM, planimetrics)

    • $ 9 million (parcels)

  • Collaboration/Local partnerships

    • $5 million in contracts

    • 250+ organizations in 57 counties

    • Leveraged existing data in 6 counties

    • Local GIS maintenance in 45 counties


Sustainable ortho imagery principles

Sustainable Ortho Imagery Principles

  • Cost effective approach that meets needs of State and local users

  • Leverage federal funding to help reduce or eliminate duplication of effort

  • Regional or Statewide acquisition

    • County by county more expensive/inefficient

    • Eliminate production of overlapping map sheets

  • Develop set schedule for updates

  • Examine State/local cost share


Data maintenance strategies

Data Maintenance Strategies

  • Initial statewide production complete

  • Ortho Imagery is 7 years old in some counties

  • Population growth/development driving demand for new imagery

  • Need a plan for ortho imagery update/maintenance


Data maintenance strategies1

Data Maintenance Strategies

  • FY07 - 08 Funding in place

  • Extended current contract from 10/07 to 10/08 and modified specs to emulate “Imagery for the Nation” and local requirements

  • Identify counties with significant growth, imagery that is outdated, TDOT region 1 (upper East TN)

  • Continue operating under current cost share model (75% State / 25% local)


Ortho maintenance pilot program 2007 2008

Ortho Maintenance Pilot Program2007-2008


Tnbmp digital terrain model

TNBMP – Digital Terrain Model


Dept of transportation

Dept. of Transportation

  • Existing analog aerial photography program

    • Large scale engineering projects (site specific)

    • Right-of-way corridor studies

    • Regional planning efforts

  • Need to develop or enhance internal processes for using new technology

  • Identified need to update current photogrammetry processes

  • Completed “Gap” analysis to provide detailed recommendations


Oir gis tdot partnership

OIR-GIS/TDOT - Partnership

  • TDOT Modernizing Equipment

    • Digital camera suitable for ortho photo production

    • Training staff on new photogrammetry production req.

    • ortho acquisition for ¼ of State annually

  • OIR-GISresponsiblefordata hosting and distribution

    • TNMap enterprise GIS

    • Dissemination to local government

  • 2008 Acquisition: Region 4 (West TN)


The tennessee base mapping program

TDOT

Federal

State

Sustainable Tennessee

Ortho-Maintenance Program

IFTN

OIR-GIS

Local

Gov

Future

Current

Aerial Surveys

Standards/Funding

T N B M P


Sustainable ortho imagery principles1

Sustainable Ortho Imagery Principles

  • Cost effective approach that meets needs of State and local users

  • Leverage federal funding to help reduce or eliminate duplication of effort

  • Regional or Statewide acquisition

    • County by county more expensive/inefficient

    • Eliminate production of overlapping map sheets

  • Develop set schedule for updates

    • 4 year cycle

  • Revisit State/local cost share


The tennessee base mapping program

Enterprise GIS Development

  • How can State agencies create and maintain spatial data once and use (share) it many times?

  • The “Tennessee Map” (TNMap)


The tennessee map tnmap enterprise gis architecture

The Tennessee Map (TNMap): Enterprise GIS Architecture

  • Goals

    • Develop enterprise GIS infrastructure to provide secure, usable, and easy access to TNBMP data

    • Provide State agencies with ability to publish data to enterprise GIS

    • Support vision of USGS’ National Map and NSDI

    • Identify data stewards, reduce or eliminate redundant GIS data collection


The tennessee map tnmap enterprise gis architecture1

The Tennessee Map (TNMap): Enterprise GIS Architecture

  • Initiatives/Strategies

    • Staffing requirements (2 to 8)

    • Enterprise Geospatial Data Repository

    • GIS Data Inventory and Data Stewardship

    • TN Geospatial Data Sharing Standards

    • Enterprise Services and Geospatial Applications

    • Geospatial Standards (software, metadata)


Business case for enterprise gis

Business Case for Enterprise GIS

The Tennessee Map (TNMap): Enterprise GIS Architecture

  • Comptroller – Manage real property

  • TWRA/TDEC/Ag. – Governor’s Heritage Conservation Trust Fund

  • TDOT – Right-of-way acquisition

  • ECD – community planning, land use regulations, business development

ROI: Create once – use many times, eliminates duplication of effort, saves time and money


The tennessee map tnmap enterprise gis architecture2

The Tennessee Map (TNMap): Enterprise GIS Architecture

TNMap…More than just a map

  • Geo-portal application

  • Base Map Data Repository

  • Shared GIS infrastructure for application hosting

  • Access: Public, State GIS users

TNMap portal demonstration…


The tennessee base mapping program

TNBMP…A New Beginning

  • State will provide local government with updated ortho imagery – 4 year cycle

  • Local gov. will provide the State with updated parcels, street centerline GIS data

  • Counties with new imagery (2007 or 2008):

    • Local cost share is 25% of parcels only


The tennessee base mapping program

TNBMP…A New Beginning

  • Vision: Maintain a statewide GIS base map through partnership development that can be used in support of a wide range of local, state, and federal programs


Thank you

Thank you….

  • Contact Information:

    • Dennis Pedersen, Director, GIS Services312 8th Avenue North16th Floor, WRS Tennessee TowerNashville, TN 37243-0288

    • E-mail: [email protected]

    • Phone: 615-741-9356

http://tnmap.state.tn.us/portal


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