2005 statewide color orthophotography project march 7-8, 2006
TRANSCRIPT
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2005 Statewide Color Orthophotography Project
March 7-8, 2006
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Jill Saligoe-Simmel, Ph.D.Executive DirectorIndiana Geographic Information CouncilIndiana State Library140 N. Senate Ave., Room 306Indianapolis, IN 46204
Jim StoutProgram ManagerIMAGIS200 E. Washington St., Room 1322Indianapolis, IN 46204
PresentersPresenters
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What is Orthophotography?
The Politics of a Statewide Project.
The Technology.
Deliverables.
Where we are Today.
AgendaAgenda
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Project AdministrationProject Administration Politics - 2 administrationsPolitics - 2 administrations FundingFunding Contract negotiationsContract negotiations IGIC Orthophoto workgroupIGIC Orthophoto workgroup
State:State: Roger KoelpinRoger Koelpin (State GIS Coordinator. ITOC) (State GIS Coordinator. ITOC) James Robb (Program Manager, IDEM) James Robb (Program Manager, IDEM) Bob Wilkinson (Staff/Surveyor, IDNR) Bob Wilkinson (Staff/Surveyor, IDNR) EJ McNaughton (Agency GIS Director, IDEM)EJ McNaughton (Agency GIS Director, IDEM) Bob Burns (Staff, INDOT)Bob Burns (Staff, INDOT) Caitlin Intermil (HLS Grants Coordinator, SEMA)Caitlin Intermil (HLS Grants Coordinator, SEMA)
County and Municipal:County and Municipal: Bill Holder (GIS Director, Kosciusko Co)Bill Holder (GIS Director, Kosciusko Co) Jim StoutJim Stout (Program Manager, IMAGIS) (Program Manager, IMAGIS) John ThomasJohn Thomas (GIS Director, City of Lafayette) (GIS Director, City of Lafayette) Larry StoutLarry Stout (GIS Director, Hamilton Co) (GIS Director, Hamilton Co) Matt McCormick (Photogrammetrist, IMAGIS) Matt McCormick (Photogrammetrist, IMAGIS) Randy Smith (GIS Director, Monroe Co) Randy Smith (GIS Director, Monroe Co) Betty Kiechle (Staff, Office of the Lake Co Surveyor) Betty Kiechle (Staff, Office of the Lake Co Surveyor) David Smoll (Hancock County Surveyor)David Smoll (Hancock County Surveyor) Matt Arvay (Chief Information Officer, Vanderburgh Co)Matt Arvay (Chief Information Officer, Vanderburgh Co) Todd Kesselring (GIS Director, Elkhart County)Todd Kesselring (GIS Director, Elkhart County)
University:University: Anna Radue (Faculty, Data Management and Support Services, UITS, Indiana University)Anna Radue (Faculty, Data Management and Support Services, UITS, Indiana University) Larry Beihl (Professor, Purdue University)Larry Beihl (Professor, Purdue University) Jim Bethel (Professor, Purdue University) Jim Bethel (Professor, Purdue University)
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Orthophotography Project PartnersOrthophotography Project Partners
Indiana Counter Terrorism and Security Council
All 92 Indiana Counties
State Emergency Management Agency (DHS)
US Geological Survey
Indiana Department of Environmental Management
Indiana Department of Natural Resources
Indiana Criminal Justice Agency
IMAGIS
Indiana Geographic Information Council
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Why Orthophotography?Why Orthophotography?
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 given location.
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What is Orthophotography?What is Orthophotography?
A digital (electronic) aerial photograph that has been corrected to remove distortion from the camera & airplane movement and adjusted to fit the ground surface.
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Cameras Distort ImagesCameras Distort Images
All imagery hasspatial error dueto the distortingnature ofphotography.
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AcquisitionAcquisition
Vendor Selection.> capacity> technology> value added deliverables
Photo Missions.
Pilot.
Processing & Delivery.
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Quality AssuranceQuality AssuranceCritical Part of ProjectCritical Part of Project
Vendor Selection
Open and Evaluate Every File
Accuracy Review
Aesthetic Review
Distribution of Final Products
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ISTAR / Earthdatawww.earthdata.com
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GeographicGeographicCoverageCoverage
Entire state of Indiana, Entire state of Indiana, plus 1000’ buffer plus 1000’ buffer around boundary of around boundary of state.state.
Includes to edge of Includes to edge of opposite river bank on opposite river bank on Ohio and Wabash Ohio and Wabash Rivers.Rivers.
13 “buy-up” Counties.13 “buy-up” Counties.
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Orthophotography Product SetsOrthophotography Product Sets
Product Set #1: Quarter-Quad Color Orthophotography (1-meter re-sampled)
Product Set #2: County Mosaics Color
Orthophotography (1-meter re-sampled)
Product Set #3: High-Resolution
Natural Color Orthophotography
Product Set #4: Color-Infrared
Orthophotography (1-meter re-sampled)
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Orthophotos will be “Tiled”Orthophotos will be “Tiled”~70,000 Tiles!!!
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Delivery Coordinate SystemsDelivery Coordinate Systems
Indiana East &Indiana East &Indiana West Indiana West State Plane State Plane Coordinate System Coordinate System (feet)(feet)
UTM Coordinate UTM Coordinate System (meters)System (meters)
NAD83, NAVD88 NAD83, NAVD88
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DeliverablesDeliverables
DeliverablesDeliverables Delivery 1 – TIFFs and 1:20 MrSID TilesDelivery 1 – TIFFs and 1:20 MrSID Tiles Next DeliveriesNext Deliveries
1:50 MrSID Township Mosaics (State Plane)1:50 MrSID Township Mosaics (State Plane) 1:50 MrSID Township Mosaics (Lat./Long.)1:50 MrSID Township Mosaics (Lat./Long.) 1-meter resampled county mosaics (UTM) statewide set1-meter resampled county mosaics (UTM) statewide set Value add – AccuGlobe w/Township mosaics and addt’l Value add – AccuGlobe w/Township mosaics and addt’l
vector data; ArcReader Emergency Response Mapvector data; ArcReader Emergency Response Map DEM/DSMDEM/DSM 1-meter Color IR (UTM)1-meter Color IR (UTM)
Supplemental Delivery – relight areas onlySupplemental Delivery – relight areas only
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Delivery File FormatsDelivery File Formats
Conventional files formats can be used Conventional files formats can be used with almost any systemwith almost any system
TIFF with World FilesTIFF with World Files Compressed MrSID Files Compressed MrSID Files County Mosaics (MrSID)County Mosaics (MrSID) .IMG format for elevation models.IMG format for elevation models
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Accuracy Specification Accuracy Specification has 3 “Flavors”has 3 “Flavors”
Pixel ResolutionPixel Resolution(Ground (Ground Sample Sample
Distance)Distance)
NSSDA Horizontal NSSDA Horizontal RMSE AccuracyRMSE Accuracy(95% of points)(95% of points)
1-meter pixel1-meter pixel (resampled)(resampled)
1-foot pixel1-foot pixel 5 feet or better5 feet or better
6-inch pixel6-inch pixel 2.5 feet or better2.5 feet or better
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Example of one orthophoto tile:
4,000 feet by4,000 feet
1-foot pixel resolution.
OrthosOrthos
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1-foot pixels1-foot pixels
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Elevation ProductsElevation Products
Digital Surface Model (DSM) Digital Elevation Model (DEM)
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DEMDEM A DEM is a series
of points which have X,Y,Z coordinates.
DEM’s are used to correct relief displacement (ortho-rectify) in the imagery.
Without further processing, the DEM can hold 10’ contours
With further processing, the DEM can be used for 2-foot contours.
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Uses of Color-IRUses of Color-IR
Mapping and feature extraction of water bodies, wetlands, impervious surfaces, and land cover.
Useful for applications such as drainage management, land cover mapping, and water quality.
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Digital Color-IR
“false color”
1-meter resampled
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Acquisition / Production TrackerAcquisition / Production Tracker
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Quality Assurance TrackerQuality Assurance Tracker
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K-12 EducationK-12 Education
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Delivery ScheduleDelivery Schedule
12 month delivery schedule.12 month delivery schedule.Orthos by end of 2005 – April?.Orthos by end of 2005 – April?.DEMs & IR to be completed by March DEMs & IR to be completed by March
2006.2006.Distributed on DVD, External Hard Drive, Distributed on DVD, External Hard Drive,
Web Map Services, and Downloadable Web Map Services, and Downloadable from the IndianaMap Data Clearinghouse. from the IndianaMap Data Clearinghouse. ((www.in.gov/ingisiwww.in.gov/ingisi) )
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Leaf-On IssuesLeaf-On Issues
13 Counties with leaf-13 Counties with leaf-on problemson problems
2 complete reflights 2 complete reflights (Perry & Dubois)(Perry & Dubois)
Reflights of Failed-Reflights of Failed-Leaf-OnLeaf-On
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Tornado Track Through Vanderburgh Co.
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“Before” and “After” shot of one of the heavily damaged developments near Evansville, IN.
Source: 2005 Indiana Aerial Orthophoto Project; and Associated Press
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DEMissues
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10,000
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30,000
40,000
50,000
60,000
70,000
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
ED Actual
Jan
Dec
End of December End of January
Actual
2005 2006
Weeks