TRAINING & KNOWLEDGE CENTER

LIDAR Essentials

LIDAR Essentials

ASFPM is partnering with GeoCue Corporation to present
LiDAR ESSENTIALS:
Understanding one of the most important datasets that influence flood map accuracy
,
an educational series consisting of four one-hour webinars.

Webinar 1: An Overview of LIDAR

September 10, 2012 @ 3:00pm ET

  • An overview of airborne LIDAR technology (How it Works)
  • LIDAR Parameters (Density, Resolution, Precision, Network and Local Accuracy)
  • Datums and Coordinate Reference Systems
  • Accuracy considerations
  • ASPRS LIDAR data format, LAS
  • Uses of LIDAR Data – Data applications

Presentation Slides for Webinar 1: An Overview of LiDAR

Sample Dataset for Webinar 1

Sample dataset 1 (.zip file containing ASFPM_1.las)
Download an evaluation copy of LP360 here: lp360.com

 

Webinar 2: Specifying LIDAR Collection Projects

October 22, 2012 @ 3:00pm ET

  • Product-driven specification methods
  • How performance specifications affect project cost
  • Cost/Performance trade-offs
  • “Buy-ups” – cost/benefit considerations
  • Breakline (e.g. “hydro-flattening”) considerations
  • Specifying data deliverables
  • Specifying data accuracy
  • Specifying data formats and media
  • Data Rights
  • Monitoring Projects

Presentation Slides for Webinar 2: Specifying LIDAR Collection Projects

 

Webinar 3: LIDAR Acceptance and QC

November 9, 2012 @ 3:00pm ET

  • What is the cost of not doing QC?
  • A discussion of performance parameters
  • Importance of independent ground control
  • Data delivery strategies
  • QC Program Strategies
  • Quantitative Checks
  • Vertical accuracy testing – relative and absolute
  • Qualitative checks
  • Communicating issues

Presentation Slides for Webinar 3: LIDAR Acceptance and QC

 

Webinar 4: Using LIDAR Data

December 10, 2012 @ 3:00pm ET

  • Basic 3D visualization
  • Intelligent data thinning – Model Key Points
  • Generating derived products (for example, gridded elevation files)
  • Generating contours
  • Adding breaklines – enhanced elevation models
  • Advanced topics – Adding value via local data extraction

Presentation Slides for Webinar 4: Using LIDAR Data

 

Author

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