Concepts

Understand the core components that make up gedih3 — the data it works with, the spatial indexing systems it uses, and the design decisions behind them.

• GEDI Data
  • What is GEDI?
  • What Does GEDI Measure?
  • Key Variables by Product
  • Why Is GEDI Data Hard to Work With?
  • How gedih3 Addresses These Challenges
  • GEDI Mission Resources
• Variable Presets Reference
  • Preset Levels
  • L2A Essentials — Always Present
  • Wildcard Patterns
  • CLI Usage
  • L1B — Geolocated Waveforms
  • L2A — Elevation and Height Metrics
  • L2B — Canopy Cover and Vertical Structure
  • L4A — Footprint-Level Aboveground Biomass
  • L4C — Footprint-Level Structural Complexity
  • Quality Filtering
  • Source Files
• H3 Hexagonal Indexing
  • What is H3?
  • Why Hexagons?
  • H3 Resolution Levels
  • How gedih3 Uses H3: The Dual-Level System
  • The Parent/Child Nesting Caveat
  • H3 Aggregation in gedih3
  • Further Reading
• EGI Square-Pixel Indexing
  • What is EGI?
  • EGI Resolution Levels
  • Why Use EGI Instead of H3?
  • How gedih3 Uses EGI
  • EGI vs H3: A Practical Guide
  • Further Reading