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Texas 2015 Statewide Orthoimagery Project

Texas 2015 Statewide Orthoimagery Project

Cornell Rowan - Surdex | Gayla Mullins - TNRIS

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  1. Specifica4ons • Phased Deliveries • Products –  3.75‘ DOQQs –  County Mosaics

    • Formats –  GeoTIFF –  JPEG2000 • Horizontal Accuracy –  ASPRS Recommended use: “Standard Mapping and GIS work” 7
  2. 2014 Timeline 9 Milestone Date Initial Meeting February 11 Public

    Announcement April 1 Review Draft Solicitation (SOW) May Notification of Intent Mid May – October 15 Finalize Solicitation (SOW) Late May Release Solicitation (SOW) June 25 Response Deadline August 14 Evaluation September 9 – 11 Vendor Selection September 15 Project Kick-Off Meeting October 16 Deadline for participation October 15 PO Deadline November 1 Begin Data Acquisition December 1/Leaf-off conditions Gather Partners
  3. Content •  Project Overview •  Ground Control •  Aerial Imagery

    Acquisi.on •  Extensions •  Final Aerial Acquisi.on •  Lessons Learned •  Ortho Produc.on and Delivery •  Final Orthoimagery •  Leica ADS100 Sensor 11
  4. Project Overview •  Statewide orthoimagery •  Base –  Leaf-off high

    resolu.on –  0.5 meter statewide –  275,350 square miles •  Buy-ups –  leaf-off high resolu.on –  6” over select populated areas –  7,048 square miles –  12” over select populated areas –  7,078 square miles •  Required to deliver no “NO DATA” .les for the en.re project 12
  5. Ground Control •  Surdex surveyed 775 ground control points and

    u.lized an addi.onal 600 points for the en.re project •  Base imagery –  0.5-meter imagery processed and delivered in three (3) UTM Zones (13, 14 & 15) –  Meters •  Buy-up imagery –  6” & 12” imagery processed and delivered in four of the five Texas State Plane Coordinate zones –  US Feet 13
  6. Aerial Imagery Acquisi.on •  Original acquisi.on schedule –  Dec. 1,

    2014 and Mar. 15, 2015 •  Resolu.ons –  Three resolu.ons acquired simultaneously •  Interna.onal requirement –  Wriien permission needed from Mexico to fly the border –  1st Permit process started Nov. 2014 –  Issued in Mar. 2015 expired Jun. 2015 –  2nd Permit process started Nov. 2015 –  Issued in Dec. 2015 expired Apr. 2016 14
  7. Aerial Imagery Acquisi.on (cont’d) •  Due mainly to weather/clouds, ac.ve

    Military Opera.ons Areas (MOAs) –  78% of the 0.5-meter imagery was acquired by Mar. 15, 2015 •  Season 1 is 92% complete •  Season 2 is 91% complete •  Season 3 is 69% complete •  Season 4 is 2% complete –  63% of the 6” imagery was acquired –  15% of the 12” imagery was acquired 15
  8. Extensions •  Deadline was extended from Mar. 15 to Aug.

    5, 2015 –  In areas that would not have much change in the foliage –  91% of the 0.5-meter imagery was acquired by Aug. 5, 2015 •  Season 1 is 100% complete •  Season 2 is 99% complete •  Season 3 is 89% complete •  Season 4 is 33% complete –  100% of the 6” imagery was acquired –  45% of the 12” imagery was acquired 16
  9. Final Aerial Acquisi.on •  Acquisi.on reopened December 15, 2015 • 

    Acquisi.on was 100% complete for all products February 04, 2016 17 •  1,372 flightlines flown •  94,892.40 on-line miles •  412.58 on-line hours
  10. Lessons Learned •  Border delays •  Weather delays •  MOAs

    / restricted airspace 18 •  Flight plan modified
  11. Orthoimagery Produc.on and Delivery •  0.5 meter has 17,293 DOQQ

    4les. 04/15/2016 100% was delivered •  0.5 meter Season 1 has 7,439 DOQQ 4les (43%) •  0.5 meter Season 2 has 4,578 DOQQ 4les (26%) •  0.5 meter Season 3 has 3,607 DOQQ 4les (21%) •  0.5 meter Season 4 has 1,669 DOQQ 4les (10%) •  SARA 6” BUY-UP delivered October 2015 •  SARA 12” BUY-UP delivered March 2016 •  ULands 6” BUY-UP delivered November 2015 •  Georgetown 6” BUY-UP delivered October 2015 •  TWPD 6” BUY-UP in Bastrop County delivered January 2016 •  TWPD 12” BUY-UP near El Paso and in the vicinity of Port O’Connor delivered February 2016 •  NGA 12” BUY-UP delivered April 2016 19
  12. Leica ADS100 Sensor 21 •  6 ADS100 sensors were used

    •  Pushbroom 1-pixel row •  Forward, nadir & ao •  13 total arrays •  Operate at high speed
  13. TNRIS QA/QC 23 •  100% Inspec.on •  Tile-by-.le focus on

    populated areas •  Smaller scale overview on non-populated areas
  14. TNRIS QA/QC •  Inspectors: –  Alexander Polansky –  Anthony Stokes

    –  Ashley Lewis –  Benjamin Buchanan –  Erik O’Brian –  Gayla Mullins –  Gillian Roos –  Jason Hinojosa –  Jorge Morales –  Kristen Newcomer –  Landon Klein –  Lauren Kirk –  Linda Prosperie –  Misty Downing –  Olivia Ybarra –  Stephanie Long 25