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Date: 11/9/2017
Presented to: ASPRS/UF Fall LiDAR Workshop 2017
Design Survey Data Collection &
Processing for 3D Transportation Design
Who are we?
• 42 years of experience in the geospatial industry
• Headquarters in Orlando, FL
• Offices in FL, NC, SC, GA, VA and WI
• 11 Licensed Surveyors
• 5 ASPRS Certified
Photogrammetrists
• 18 LiDAR Specialists
• Full Service Mapping Firm
Acquisition Platforms
Key Factors Determining Which
Survey Tools to Use
• SAFETY
• Accuracy
• Coverage/Limits
• Schedule
• Needed Details
(Resolution/Density)
3D Design: Segments 5 - 8
Control Network
• Aerial LiDAR / Imagery (Gyro Single Platform)
• Aerial LiDAR / Mobile LiDAR
• Static LiDAR / Traditional Survey
Simultaneous Acquisition
Alignment of Multiple Point Clouds
Mobile
Aerial
Density of Multiple Point Clouds
Mobile
Aerial
Feature Extraction Options
• 3D Stereo Model Imagery
• TopoDOT
• Allows for Simultaneous Collection
Incorporating Drainage Details
• Ties directly to remote sensing data
• Only have to measure inverts and pipe sizes
• Reduces field time
• Use extracted structures for top elevations
Merged 3D Point Cloud from
Multiple Data Sources
Questions?