SimWright Inc.
GIS-T 2003 COLORADO SPRINGS
Geospecific 3D Stereo Imagery
For
Rapid Low Cost GIS Data Collection
SimWright Inc.
SimWright Inc.
Presentation Agenda
Digital 3D Stereo Imagery DatasetsApplications
Potential Future UsesQuestions
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Digital 3D Stereo Imagery Datasets
Derived from standard aerial stereo pairsEvery pixel in the image is accurately georegisteredBased on algorithms designed for smart bomb targetingTypical accuracies in x,y, and z
1200 ft. imagery +/- 3cm x,y, and z2000 ft. imagery +/- 8cm x,y, and z
SimWright Inc.
Current Applications
Roadway Characteristics/Asset Data Collection with FDOTSurvey Data Point Collection with FDOT2D/3D Shapefile Extraction and Digital Elevation Data Extraction with Okaloosa County, FloridaVisual Database Modeling/FDOTData Extraction from Satellite Imagery for Visual Modeling
SimWright Inc.
Anaglyph Stereo Image of Destin Florida3.4” Pixel Resolution
SimWright Inc.
Roadway Characteristics/Asset Data Collection
Datasets created for approximately 2000 miles of FDOT District 3 Currently in daily use by FDOT to extract
and view roadway characteristics dataUses have expanded to include design,
maintenance, and traffic operations
SimWright Inc.
FDOT RCI Data Extraction
SimWright Inc.
Survey Data Extraction
Pilot project in FDOT District 3 Demonstrated capability of extracting
survey points accurate to +/- 3cm x,y,zProviding approximately 90% of data
points required for roadway designProvides standard output formats
compatible with CAiCE™ and Geopak™
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SR393 Roadway Design Project
SimWright Inc.
2D/3D Shapefile Extraction and Digital Elevation Data Extraction
Used in Okaloosa County Florida for NPDES Phase II Stormwater data collection and floodplain analysisData extracted in standard shapefile formatsElevation data derived using edge detection
algorithms developed for DODProvides for vector data visualization in stereo
Overlay allows for visual data QA/QCAlso used for FAA Part 77 obstruction
clearance assessment
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Okaloosa County Stormwater Project
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Visual Database Modeling
Creation of visual models in OpenFlight™format for real-time interactive simulationAbility to extract polygonal models and
phototextureNumerous tools available to create
visualizations for planning, public involvement, project development, etc.Numerous agencies are specifying use of
visualization for projects
SimWright Inc.
OpenFlight™ FDOT District 3 Headquarters
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Data Extraction from Satellite Imagery
Stereo datasets can be extracted from commercial satellite imageryFeature extraction can be performed
subject to imagery resolutionRecent effort involved use of 1 meter
referenced stereo Ikonos productUsed by Evans and Sutherland to create
visual models for ABC news
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Ikonos Imagery and Extracted Model
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Other Potential Applications
FHWA has funded research for development of automated permit management systemFAA prototype tool for FAA obstruction clearanceFDEP interested for coastal mapping to assess dune displacementMulti-Modal Data Acquisition – Bike-Ped-RailConflation Tools
SimWright Inc.
Questions
Contact Data:FDOT - Ted Jones, PE, FDOT District 3 Planning, [email protected] Consulting - John E. Matthews, PLS [email protected] Inc. - Lonnie Hearne [email protected]
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