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Office for Information Resources GIS Services The Tennessee Base Mapping Program “Moving Forward” Dennis Pedersen, Director OIR – GIS Services.

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Presentation on theme: "Office for Information Resources GIS Services The Tennessee Base Mapping Program “Moving Forward” Dennis Pedersen, Director OIR – GIS Services."— Presentation transcript:

1 Office for Information Resources GIS Services The Tennessee Base Mapping Program “Moving Forward” Dennis Pedersen, Director OIR – GIS Services

2 OIR – GIS Services 2 Moore County 5/13/08 Initial Production Complete Ortho Imagery Pilot Program TDOT Partnership Enterprise GIS – TNMap TNBMP…Moving Forward

3 OIR – GIS Services 3 Moore County 5/13/08 Let’s take a look back… TNBMP…Moving Forward

4 OIR – GIS Services 4 Moore County 5/13/08 Pilot Counties – 1997, 1998 TN Base Mapping Program

5 OIR – GIS Services 5 Moore County 5/13/08

6 OIR – GIS Services 6 Moore County 5/13/08

7 OIR – GIS Services 7 Moore County 5/13/08

8 OIR – GIS Services 8 Moore County 5/13/08

9 OIR – GIS Services 9 Moore County 5/13/08 Milestones/Accomplishments A few quick facts: Collaboration/Local partnerships –$5 million in contracts –250+ organizations in 57 counties –Leveraged existing data in 6 counties –Local GIS maintenance in 45 counties

10 OIR – GIS Services 10 Moore County 5/13/08

11 OIR – GIS Services 11 Moore County 5/13/08 State ECB Board – “Wireless Phase II Mapping Minimum 911 Software & Data Requirements” February 1, 2002 –Minimum Layers defined:  Street centerlines with complete address attributes  Point landmarks – churches, schools, hospitals, cemeteries, government bldgs.  Area landmarks – parks, airports, military bases  Fire Hydrants and Stations  Water features  Administrative boundaries – city, county, state  ESN boundaries  Digital Ortho photos TN Base Mapping Program/E911:

12 OIR – GIS Services 12 Moore County 5/13/08 Imagery Update/Maintenance 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

13 OIR – GIS Services 13 Moore County 5/13/08 Sustainable Ortho Imagery Principles Regional or Statewide acquisition –County by county more expensive/inefficient –Eliminate production of overlapping map sheets Develop set schedule for updates Cost effective approach that meets needs of State and local users Leverage federal funding to help reduce or eliminate duplication of effort Examine State/local cost share

14 OIR – GIS Services 14 Moore County 5/13/08 Secure Funding to support ortho pilot Extended current contract 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) Imagery Maintenance Strategies

15 OIR – GIS Services 15 Moore County 5/13/08 Spec Comparison Chart Existing TNBMP Ortho Specs Pilot TNBMP Ortho Maint. Specs PhotographyB/W Panchromatic FilmDigital Color Scale 1” = 400’ county wide 1” = 100’ selected urban area 1” = 200’ (400’ Mosaic) Resolution 2’ county wide 6” in selected urban area 1’ county wide Geographic Extent Entire State 9 counties - 2007 13 counties – 2008 DTMMass Points/Breaklines Mass Points/Breaklines w/ supplemental data Ortho Maintenance Pilot Program 2007-2008

16 OIR – GIS Services 16 Moore County 5/13/08 TNBMP – Digital Terrain Model

17 OIR – GIS Services 17 Moore County 5/13/08

18 OIR – GIS Services 18 Moore County 5/13/08

19 OIR – GIS Services 19 Moore County 5/13/08

20 OIR – GIS Services 20 Moore County 5/13/08

21 OIR – GIS Services 21 Moore County 5/13/08

22 OIR – GIS Services 22 Moore County 5/13/08

23 OIR – GIS Services 23 Moore County 5/13/08 Dept. of Transportation Need to develop or enhance internal processes for using new technology Completed “Gap” analysis to provide detailed recommendations Existing analog aerial photography program –Large scale engineering projects (site specific) –Right-of-way corridor studies –Regional planning efforts Identified need to update current photogrammetry processes

24 OIR – GIS Services 24 Moore County 5/13/08 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 2008 Acquisition: Region 4 (West TN) OIR-GIS responsible for data hosting and distribution –TNMap enterprise GIS –Dissemination to local government

25 OIR – GIS Services 25 Moore County 5/13/08

26 OIR – GIS Services 26 Moore County 5/13/08

27 OIR – GIS Services 27 Moore County 5/13/08 Standards/Funding Current TDOTIFTN OIR-GIS Sustainable Tennessee Ortho-Maintenance Program Aerial Surveys T N B M P Future Federal Local Gov State

28 OIR – GIS Services 28 Moore County 5/13/08 Sustainable Ortho Imagery Principles Regional or Statewide acquisition –County by county more expensive/inefficient –Eliminate production of overlapping map sheets Develop set schedule for updates –4 year cycle Cost effective approach that meets needs of State and local users Leverage federal funding to help reduce or eliminate duplication of effort Revisit State/local cost share

29 OIR – GIS Services 29 Moore County 5/13/08 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 TNBMP…Moving Forward

30 OIR – GIS Services 30 Moore County 5/13/08 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 TNBMP…Moving Forward

31 OIR – GIS Services 31 Moore County 5/13/08

32 OIR – GIS Services 32 Moore County 5/13/08

33 OIR – GIS Services 33 Moore County 5/13/08

34 OIR – GIS Services 34 Moore County 5/13/08 http://tnmap.state.tn.us/portal http://gis.state.tn.us http://tnmap.state.tn.us/portal http://gis.state.tn.us TNBMP…Moving Forward


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