Fugro SESL Geomatics Ltd. Calgary, Alberta, Canada Todd Mitchell, FLI-MAP Operations Manager FUGRO SESL Geomatics Ltd. Fugro SESL Geomatics Ltd. • Established 1980 & Joined Fugro group in 1998 • Surveying, mapping and data management services • Western Canadian oil and gas, mining and construction • LiDAR since 2006 Fugro N.V. Fugro N.V. (Holding) • • • • • Dutch multinational More than 260+ offices in >50 countries 11,000+ employees world-wide On- and offshore Geotechnical, Survey and Positioning Revenue > € 1.8 billion in 2007 FLI-MAP Owner/Operators: • • • • • • • Fugro SESL (Canada) John Chance Land Surveys (USA) Fugro Aerial Mapping B.V. (Netherlands) Fugro Survey Africa (South Africa) Fugro Geoid (France) Fugro Spatial Solutions (Australia) Other Fugro partnerships around the world LiDAR Remote Sensing Light Detection And Ranging LiDAR – Key Components • Range Detection Device – Laser • GPS – Global Position System • IMU - Inertial Measuring Unit • Platform for Data Collection 1. Fixed Wing Aircraft 2. Helicopter 3. Terrestrial LiDAR Platforms – Fixed Wing Fixed wing aircraft High altitude flight Higher acquisition rate Lower density data set Lower accuracy More weather risk High power laser LiDAR Platforms – Rotary Wing Helicopter platform Low flying High density data set Higher accuracy Less weather risk Eye-safe laser Latest LiDAR Developments • High accuracy & high resolution LiDAR only recently expanded beyond narrow corridor and small area mapping applications • Previously too expensive for wider areas • The latest developments in laser scanners allows improved mapping in corridor applications & the ability to map wider areas with very high detail and accuracy FLI-MAP Fast Laser Imaging Mapping And Profiling FLI-MAP platform combines high quality LiDAR data with digital video and high-resolution still imagery FLI-MAP Vertical Markets FLI-MAP 400 is a helicopter based, mobile LiDAR system, designed for high accuracy and high detailed applications (engineering quality data). • Corridor Applications • • • • • Transmission lines Railways Levees Highways Pipelines • Area mapping • • • • • Urban mapping Oil & gas sector (well sites, access & legal plans) Land development Mining (resource volumetric & consumption) Hydro-electric development Rapid Data Acquisition • Corridor Applications: • 100-200 linear kilometres surveyed per day depending on project specifics and logistics • 100m to 500m of data width per flight line • Multiple passes for wider corridors • Area Applications: • From 50 km2 to 100 km2 per day depending on project specifics and logistics • Typically 200m to 350m line spacing • Approx 130 million survey shots per sq mile FLI-MAP - Development First Tested on Gyrocopter – 1992 FLI-MAP 1 – 1995 FLI-MAP 2 – Mobile System - 1999 FLI-MAP 400 – Third Generation System - 2006 FLI-MAP - How it Works GPS Satellites 20,000 km Range-Range Position Calculation THE KEY COMPONENTS Base Station La se rS ca GPS IMU Imagery LASER Still Imagery & Video FLIP 7 PROCESSING SOFTWARE EXPERIENCED PERSONNEL` n Range -Angle Position Calculation FLI-MAP 400 Specifications - 1 Has the highest specifications of any airborne LiDAR system currently available Laser Pulse Rate 150,000 pulses per second (present generation) (250,000 pulses per second in testing) Multiple Return Capability Yes - Maximum of 4 returns per pulse Laser Intensity Capture Yes – For all laser returns Laser Eye Safety FDA Certified Class 1 laser Eye safe at the aperture Laser Point Density >10 points per meter2 @ 400m altitude and 110 km/h >40 points per meter2 @ 150m altitude and 75 km/h Laser Ranging Accuracy 1 cm Laser Swath Angle 60 degrees – Swath width approximates to flying height Laser Look Angles Nadir Forward looking (7 degrees) Rear looking (7 degrees) Maximum Operating Height 500 meters – Multi-pulse in air capability coming soon. FLI-MAP 400 Specifications - 2 Total System Accuracy (absolute) 8 cm horizontal @ 1 sigma (68% confidence level) 5 cm vertical @ 1 sigma (68% confidence level) Digital Video Imagery MPEG 4 format (Avi) – (720 x 576 pixel) Time tagged/geo-referenced Forward and down looking perspectives Forward view at 30 degrees to the horizon Can be viewed in ArcGIS, PLS-CADD and other supported packages using Fugro’s DV Controller software plug-in Digital Still Imagery 11.0 Megapixel (4000 x 2672 pixel) Forward and down looking perspectives Forward view at 30 degrees to the horizon Approx 1 frame per second for each camera Line scan Imagery Yes – Integrated line scan camera fitted to laser scanner GPS Positioning Rate IMU Positioning Rate 10 Hz 200 Hz LiDAR Data Resolution (Point Density) Point density: 10 points/m2 at 400m AGL (40cm x 45 cm spacing) 40 points/m2 at 150m AGL (15cm x 17 cm spacing) Multiple Image Sources •Video – Forward and down looking cameras recording digital MPEGs at 25Hz • 720x576 pixel MPEG4 •Still – Forward and down looking cameras recording images at approx 1Hz • 4000 x 2672 pixel (10.7 Mpixel) •Line Scan – Down looking camera • Colorizes laser data (nadir) • Produces ortho images (approx 25cm per pixel) Integrated Video Imagery Forward & Down Looking Views Video Position Symbol Video can be intergrated with PLS-CADD MPEG 4 AVI Format Integrated Still Imagery Zoomed-in View Showing Detail 11 Mega Pixel Images Forward & Down Looking Views High-Resolution Still Imagery Forward Still Line Scan Orthophotography Export Start Color With Using Desired Line LaserCamera Scan Orthoimages Data Zoomed-in Image at Half Foot per Pixel Laser Data Displays Colored by Elevation Intensity Line Scanner Orthomosaic Images Plan & Profile Views Small Poles&&Wires Structures Guy Wires 3-D View of Colour LiDAR Data 3-D View of Colorized Laser Points 3-D View of Colour LiDAR Data 3-D View of Colorized Laser Points Site Access Traditional Access Denied ! FLI-MAP No Access Required* ! No Impact ! *Except Restricted Air Space* Data Processing – FLIP7 FLIP7 LiDAR & Imagery Data Processing • Viewing and working with LiDAR and imagery together • Filter routines allow for classification of data: • • • • • • • • Bare earth DTM Vegetation Buildings Above ground structures Transmission line structures & wires Rail lines Enables feature vectorization for a variety of applications Preparation of data deliverables Flexible Deliverables – CAD/GIS •FLI-MAP data can be delivered “ready to use” in a number of engineering and GIS applications: • ESRI / ArcGIS (including FLI-MAP Analyst) • • • • • • PLS-CADD AutoCAD MicroStation In-Roads GeoPak Custom mapping products Flexible Deliverables - Pipeline Proposed Pipeline Route Proposed Pipeline Route Ownership & ROW Plans Flexible Deliverables – Well Sites Proposed Wellsite Well Site Scouting Creek Crossing Profiles Vegetation Profile Slope Maps Well Site Slope Map • Colours are overlaid on ortho image • Red is too steep for rig placement • Yellow is not optimal Well Site Legal Plans Flexible Deliverables –Vector Maps Vectorization Vectorized Data “on top of” Provides More Laser Data Efficient Export Zoomed -in View Than “Point Cloud” Showing More Detail Advantages • High accuracy, resolution & point density • Rapid data acquisition • Limited or no need for access • Multiple image sources • High-Resolution Imagery • In-Office Data Mining • Flexible Deliverables • Cost Effective Limitations LiDAR Cannot Replace Conventional Surveys • FLI-MAP cannot identify the following features: • Boundary information • Underground utilities • Water or water depth • (Edge of water can be mapped though) • Conventional survey still needed for construction staking, cadastral, etc. Project Experience • FLI-MAP has been used on a variety of corridor projects around the world since 1995, mapping over 40,000 miles of corridor • FLI-MAP 400 has been used on 6 oil & gas projects in Alberta between April 2006 and the present • FLI-MAP 400 has also performed LiDAR/Imagery acquisition for rail and power transmission vertical markets in Canada in 2007 Conclusion • FLI-MAP is capable of providing exceptional survey data for a variety of applications • Fast & efficient data collection & processing • Simultaneous capture of LiDAR and highresolution imagery • No environmental impact or access issues • Sophisticated data classification and reduction tool (FLIP7) • Versatile Deliverable Products • Extremely cost-effective for the right project Questions ??
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