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?