LiDAR-Maps Airborne LiDAR and More for Digital Cameras Engineers - PowerPoint PPT Presentation

TechTime TechTime TechTime New Mapping Tools for New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Transportation Engineering LiDAR-Maps Airborne LiDAR and More for Digital Cameras Engineers and Their Applications Presenter: Azadeh Koohzare, Ph.D., P.Eng. Project Manager, Geodesy and Geomatics AKoohzare@mcelhanney.com 604-683-8521

TechTime TechTime TechTime New Mapping Tools for New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Transportation Engineering ALS50-II Leica components (Leica LiDAR Manual, 2007) Slide #2 McElhanney’s system 26/05/2009 9:13:34 AM

TechTime TechTime TechTime New Mapping Tools for New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Transportation Engineering RGB and NIR Digital Cameras McElhanney’s Cameras (linked to LiDAR) Rolleimetric AIC P45 with Near IR lens (same housing) Rolleimetric AIC P65+ with RGB lens

TechTime TechTime TechTime New Mapping Tools for New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Transportation Engineering Components of LiDAR LiDAR Components: - GPS - IMU (Inertial Measuring Unit) - Scanner GPS Base Slide #4

TechTime TechTime TechTime Designed Flight Lines New Mapping Tools for New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Transportation Engineering Grouse Mt, B.C. Slide #5 Slide #5 26/05/2009 9:12:54 26/05/2009 9:12:54 AM AM

TechTime TechTime TechTime New Mapping Tools for New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Transportation Engineering LiDAR Process  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 

TechTime TechTime TechTime New Mapping Tools for New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Transportation Engineering McElhanney’s LiDAR Classification and Quality Control

TechTime TechTime TechTime LiDAR Quality Control New Mapping Tools for New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Transportation Engineering From Stereo Photo or LiDARgrams  Overlay Bare Earth Data H IGH D EGREE OF C ONFIDENCE  Scan Images for voids and IN A LL D ELIVERABLES erroneous points

TechTime TechTime TechTime New Mapping Tools for New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Transportation Engineering Photogrammetric WorkStation

TechTime TechTime TechTime New Mapping Tools for New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering 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

TechTime TechTime New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering The Value of LiDAR Slide #11 26/05/2009 9:12:54 AM Page 8 of 32

TechTime TechTime New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering LiDAR data by Elevation

TechTime TechTime Transportation Engineering Profile view of LiDAR data New Mapping Tools for New Mapping Tools for Transportation Engineering

TechTime TechTime Extracted LiDAR data over Orthophoto New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering

TechTime TechTime New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Profile view of LiDAR data Slide #15 26/05/2009 9:12:54 AM

TechTime TechTime New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Transmission Line from LiDAR data Software can extract powerlines and store in vector format.

TechTime TechTime New Mapping Tools for New Mapping Tools for Contours generated from LiDAR points Transportation Engineering Transportation Engineering

TechTime TechTime New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Shaded relief with contours generated from LiDAR points

TechTime TechTime New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Applications of LiDAR

TechTime TechTime New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Aerial Photograph Bare Earth LiDAR Kerr Sulphurets site 100 m 1000 m

TechTime TechTime New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering  Engineering Design (Transmission Lines)  3D City Model and Asset Management Applications  Civil engineering & Infrastructure development  Corridor mapping  Spatial planning  Flood monitoring  Landslide monitoring  Erosion monitoring  Coastline monitoring  Irrigation management  Coastline Analysis and Protection  Volumetric studies

TechTime TechTime Some Projects New Mapping Tools for New Mapping Tools for Transportation Engineering 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

RGB Imagery NIR Imagery TechTime TechTime Combined RGB and NIR Images New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering + = Slide #23 Slide #23 26/05/2009 9:12:55 26/05/2009 9:12:55 AM AM

TechTime TechTime Transportation Engineering RGB GB and NIR and NIR Applica pplications tions New Mapping Tools for New Mapping Tools for Transportation Engineering NIR/CIR  Agriculture  Forest Classification  Environmental Terrain Hazard Studies  Municipal Impervious Surfaces Analysis RGB  Colour orthophoto  Photogrammetric data capture

TechTime TechTime TechTime New Mapping Tools for New Mapping Tools for New Mapping Tools for Transportation Engineering Transportation Engineering Transportation Engineering THANK YOU!