IGIC Orthophotography Workgroup Update
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Jim Stout IMAGIS Program Manager jrstout@iupui.edu 317-327-2321. IGIC Orthophotography Workgroup Update. IGIC Orthophotography Workgroup. Agenda. What is an Orthophoto 2005 Statewide Ortho Project Review Ortho PROGRAM Vision Costs Funding Our Current Thinking Request for Proposal
IGIC Orthophotography Workgroup Update
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Jim StoutIMAGIS Program Managerjrstout@iupui.edu317-327-2321 IGIC Orthophotography WorkgroupUpdate
IGIC Orthophotography Workgroup Agenda • What is an Orthophoto • 2005 Statewide Ortho Project Review • Ortho PROGRAM Vision • Costs • Funding • Our Current Thinking • Request for Proposal • Comments & Suggestions
IGIC Orthophotography Workgroup This group was responsible for the 2005 Statewide Orthophotography Project. Recognizing the critical need for up-to-date photos, the Workgroup is developing a PROGRAM to update Indiana's orthos on a regular rotating basis. The work includes developing: planning documents with technical specifications, a Request for Proposal, and documents to educate the public and elected officials on the benefits of the program.
Orthos Example of an orthophoto tile: 4,000 feetby4,000 feet 1-foot pixel resolution.
IGIC Orthophotography Workgroup 2005 Orthophoto Project Review Orthophotography has the geometric characteristics of a map and the image qualities of a photograph. These qualities allow for: • distance measurements • area calculations • determination of feature shape • direction calculations • determination of coordinates at a location
What is Orthophotography • Definition: IGIC Orthophotography Workgroup What is an Orthophotograph? • A digital (electronic) aerial photograph that has been corrected to remove distortion from the camera & airplane movement and adjusted to fit the ground surface.
IGIC Orthophotography Workgroup Cameras Distort Images All imagery hasspatial error dueto the distortingnature ofphotography. & Don’t forgetTerrain Distortion
2005 Orthophotography Product Sets Product Set #3: High-ResolutionNatural Color Orthophotography Product Set #1: Quarter-Quad Color Orthophotography (1-meter re-sampled) Product Set #2: County Mosaics Color Orthophotography (1-meter re-sampled) Product Set #4: Color-InfraredOrthophotography (1-meter re-sampled)
Coordinate Systems IGIC Orthophotography Workgroup • Indiana East &Indiana WestState Plane Coordinate System (feet) • UTM Coordinate System (meters) • NAD83, NAVD88
Elevation Products IGIC Orthophotography Workgroup Digital Surface Model(DSM) Digital ElevationModel(DEM)
IGIC Orthophotography Workgroup Products (cont.) • Base product: 1-foot pixel tiles • Buy-up: 6-inch pixel tiles 13 Counties • and… Control & QC & validation & PM & Portal & EOC & Libraries, etc.
2005 Funding IGIC Orthophotography Workgroup • One-time DHS grant • & other Federal grants • & County buy-ups • & State Agency Funding • $7.5 million
IGIC Orthophotography Workgroup 2005 Ortho Project Benefits • 1.2 : 1 cost benefit ratio, without operations • $1.7 Billion worth of project and operationssupport
ONGOING Orthophotography PROGRAM IGIC Orthophotography Workgroup • Regular Refresh Rates (on-going value) • Currency of Data • 2005 is a long time ago • Planning (for communities & vendor) • Scheduling (budgets & projects) • Vendor Relations • May be value in multi-year contracting • Vendor incentives for quality
COSTS of an Ortho PROGRAM IGIC Orthophotography Workgroup Indiana has 40,000 sq.mi. (103,600 sq.km.) • Satellite (.5m=20in) ~$1.3 million • One-foot orthos ~$5.7 million • Six-inch orthos ~$8.5 million
FUNDING for an Ortho PROGRAM IGIC Orthophotography Workgroup Indianahastentativefunds ~ $1 million from: IN-DHS, IDEM, INDOT, USGS, grants and Counties?
So what PROGRAM can we afford? IGIC Orthophotography Workgroup • Six-inch for 1/8 of the state per year, or • One-foot for 1/6 of the state per year, or • Satellite of 8/10 of the state per year, or A mixture?
How do we incent Counties? IGIC Orthophotography Workgroup • Make the base product low-reswith buy-up options • How does this work w/ satellite? • Provide the funds of the base product to counties who fly their own photos • Most counties don’t fly much • Many counties don’t have funding • Cooperate with the State?
So, here is our thinking: IGIC Orthophotography Workgroup • Capture 1/3 of state/year • Fewer product sets • Just photos (no mosaics, one projection) • No infrared, No DEM • Base product is low-res • Satellite or 2-foot photos • Buy-ups: 1-ft & 6-in, or help counties fly
Request for Proposal IGIC Orthophotography Workgroup • Quotes for large area (10,000+ sq.mi.), for: • 2-foot photos • 1-foot photos • Other options (DEM, CIR, mosaics, web posting) • Quotes for multi-county (4,000+ sq.mi.), for: • 6-inch photos • Technical Ability / Accuracy • Capacity (coverage brings more players) • Guarantees ( flights / delivery / rejects )
Proposal Review & Contracting IGIC Orthophotography Workgroup • RFP release – March-April 2010 • Responses due – May • Vendor selection – July • Contract negotiations – August • State Contract (MBE/WBE, Indiana vendors, etc.) • Imagery Capture – Feb thru mid-April, 2011 • Imagery Delivery – June-July, 2011 • Renegotiate for 2012 / 2013 / etc.
IGIC Orthophotography Workgroup Comments & Suggestions & Questions Jim StoutIMAGIS Program Managerjrstout@iupui.edu317-327-2321