RichDEM — High-Performance Terrain Analysis

• RichDEM
  • Documentation
• Design Philosophy
• Parsable Output
• Citing RichDEM
• Ways To Use It
  • Python package from PyPI
  • Python package from source
  • As A Command-line Tool
  • As A Library
  • As A Handy Collection of Tools
  • For Processing Large Datasets

Operations

• Concepts
  • Gridded Data
  • Metadata
  • Geotransform
  • NoData values
  • Processing History
  • In-Place Operations
  • Topology
• Example DEMs
• Loading Data
  • Python
  • C++
• Depression-Filling
  • Depressions, Pits, and Sinks
  • Original DEM
  • Complete Filling
  • Epsilon Filling
• Depression-Breaching
  • Depressions, Pits, and Sinks
  • Original DEM
  • Complete Breaching
• Flat Resolution
  • Barnes (2014) Flat Resolution
  • Flow Metric Adjustment
• Flow Metrics
  • Flow Coordinate System
  • Convergent and Divergent Metrics
  • Note on the examples
  • D8 (O’Callaghan and Mark, 1984)
  • D4 (O’Callaghan and Mark, 1984)
  • Rho8 (Fairfield and Leymarie, 1991)
  • Rho4 (Fairfield and Leymarie, 1991)
  • Quinn (1991)
  • Freeman (1991)
  • Holmgren (1994)
  • D∞ (Tarboton, 1997)
  • Side-by-Side Comparisons of Flow Metrics
• Accessing Flow Proportions Directly
• Flow Accumulation
  • From Flow Proportions
• Terrain Attributes
  • Slope
  • Aspect
  • Profile Curvature
  • Planform Curvature
  • Curvature

Examples

• Python Examples
  • Depression-filling a DEM and saving it
  • Comparing filled vs. unfilled DEMs
  • The rdarray class
  • Using RichDEM without GDAL

API

• RichDEM C++ Reference
• RichDEM Python Reference

Testing and Correctness

• Testing Methodology
• Correctness

Extra Information

• Specific Algorithms
• Publications
• Sponsors
• Feedback

For Developers

• Release Steps