Page 1
TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Airborne LiDAR
Digital Cameras
and
Their Applications
TechTimeNew Mapping Tools for
Transportation Engineering
LiDAR-Maps
and More for
Engineers
Presenter: Azadeh Koohzare, Ph.D., P.Eng.
Project Manager, Geodesy and Geomatics
[email protected]
604-683-8521
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Slide #226/05/2009 9:13:34
AM
ALS50-II Leica components
(Leica LiDAR Manual, 2007)
TechTimeNew Mapping Tools for
Transportation Engineering
McElhanney’s system
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
RGB and NIR Digital Cameras
Rolleimetric AIC P65+
with RGB lens
Rolleimetric AIC P45
with Near IR lens
(same housing)
TechTimeNew Mapping Tools for
Transportation Engineering
McElhanney’s Cameras (linked to LiDAR)
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
GPS Base
LiDAR Components:
- GPS
- IMU (Inertial Measuring Unit)
- Scanner
Slide #4
Components of LiDAR
TechTimeNew Mapping Tools for
Transportation Engineering
Page 5
TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Slide #526/05/2009 9:12:54
AM
Grouse Mt, B.C.
Slide #5
26/05/2009 9:12:54 AM
TechTimeNew Mapping Tools for
Transportation EngineeringDesigned Flight Lines
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Dense pickup of DEM mass points
Data reduction using Airborne GPS/IMU
Ground Kinematic
Result – Point cloud
Data classification from point cloud to Bare Earth
Creation of TIN’s, Contours and other products
LiDAR Process
TechTimeNew Mapping Tools for
Transportation Engineering
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
McElhanney’s
LiDAR
Classification
and Quality
Control
TechTimeNew Mapping Tools for
Transportation Engineering
Page 8
TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Overlay Bare Earth Data
Scan Images for voids and
erroneous points
HIGH DEGREE OF CONFIDENCE
IN ALL DELIVERABLES
From Stereo Photo or LiDARgrams
TechTimeNew Mapping Tools for
Transportation EngineeringLiDAR Quality Control
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Photogrammetric WorkStation
TechTimeNew Mapping Tools for
Transportation Engineering
Page 10
TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Accuracy Expectations
• Vertical accuracies Based on Project Reports
Grouse Mountain 10cm on Hard surfaces (95% confidence level)
Kitsault 12cm on Gravel Surfaces
Campbell River 20cm in Heavy Tree cover
• Horizontal accuracies vary depending on flying
height and terrain surface
TechTimeNew Mapping Tools for
Transportation Engineering
Page 11
TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Page 8 of 32Slide #11
26/05/2009 9:12:54 AM
The Value of LiDAR
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
LiDAR data by Elevation
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering Profile view of LiDAR data
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation EngineeringExtracted LiDAR data over Orthophoto
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Slide #1526/05/2009 9:12:54 AM
Profile view of LiDAR data
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Transmission Line from LiDAR data
Software can extract powerlines
and store in vector format.
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation EngineeringContours generated from LiDAR points
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Shaded relief with contours generated from
LiDAR points
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Applications
of LiDAR
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Aerial Photograph
Kerr Sulphurets site
1000 m100 m
Bare Earth LiDAR
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Civil engineering & Infrastructure development
Corridor mapping
Spatial planning
Flood monitoring
Landslide monitoring
Erosion monitoring
Coastline monitoring
Irrigation management
Coastline Analysis and Protection
Volumetric studies
Engineering Design (Transmission Lines)
3D City Model and Asset Management Applications
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
• Kinskuch and Jade creek, near Stewart, BC.– 2008
• Chilliwack Power Transmission– 2008
• Campbell River, BC. University of British Columbia -2008
• Kerr-Sulphurets-Mitchellin site northern Terrace, BC. -2008
• Mtn Milligan, BC. -2008
• Skeena Flood Plain Mapping-2008
• Abbotsford Development-2008
• Grouse Mt site in Vancouver, B.C. -2008
• Galore Creek Mine site Galore Creek Mining Corp. - 2008
• Pickle Lake Mine in northern Ontario-2008
• Onion Creek - Smithers, BC. -2008
• Maroon Creek in north west B.C. -2008
• Fraser and Nechako River for hydraulic modeling- 2008
• Urban and mountainous areas for geo-technical applications – 2007
• SFPR – Gateway Program
• Sechelt Inlet – Land Development
• Sechelt Ledge/ Thornborough/ McNab Creek – Land development
• Port Renfrew – ND Lea
• Kitimat - PNG
Some Projects
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
Slide #2326/05/2009 9:12:55
AM
Slide #23
26/05/2009 9:12:55 AM
RGB ImageryNIR Imagery
Combined RGB and NIR Images
+ =
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation EngineeringRGB and NIR Applications
NIR/CIR
Agriculture
Forest Classification
Environmental Terrain Hazard Studies
Municipal Impervious Surfaces AnalysisRGB
Colour orthophoto
Photogrammetric data capture
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TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
TechTimeNew Mapping Tools for
Transportation Engineering
THANK YOU!