21. Geoprocessing with WhiteboxTools

21.1. Introduction

21.2. Learning Objectives

21.3. Why Whitebox?

21.3.1. What is Whitebox?

21.3.2. What can Whitebox do?

21.3.3. How is Whitebox different?

21.4. Useful Resources for Whitebox

21.5. Installing Whitebox

21.6. Watershed Analysis

21.6.1. Create Interactive Maps

21.6.2. Download Watershed Data

21.6.3. Download and Display DEM

21.6.4. Get DEM metadata

21.6.5. Add colorbar

21.6.6. Initialize WhiteboxTools

21.6.7. Initialize WhiteboxTools

21.6.8. Set working directory

21.6.9. Smooth DEM

21.6.10. Create hillshade

21.6.11. Find no-flow cells

21.6.12. Fill depressions

21.6.13. Delineate flow direction

21.6.14. Calculate flow accumulation

21.6.15. Extract streams

21.6.16. Calculate distance to outlet

21.6.17. Vectorize streams

21.6.18. Delineate the longest flow path

21.6.19. Generate a pour point

21.6.20. Snap pour point to stream

21.6.21. Delineate watershed

21.6.22. Convert watershed raster to vector

21.7. LiDAR Data Analysis

21.7.1. Set up whitebox

21.7.2. Download a sample dataset

21.7.3. Read LAS/LAZ data

21.7.4. Upgrade file version

21.7.5. Write LAS data

21.7.6. Histogram analysis

21.7.7. Visualize LiDAR data

21.7.8. Remove outliers

21.7.9. Visualize LiDAR data after removing outliers

21.7.10. Create DSM

21.7.11. Visualize DSM

21.7.12. Create DEM

21.7.13. Visualize DEM

21.7.14. Create CHM

21.8. Key Takeaways

21.9. Exercises

21.9.1. Exercise 1: Watershed Analysis for a Different Location

21.9.2. Exercise 2: LiDAR Analysis for Forest Structure Assessment