GRASS 101: From GUI Clicks to Writing Scripts (TNGIC 2024)

This is a set of Jupyter Notebooks for a workshop at the Tennessee Geographic Information Council's 2024 Annual Meeting.

Participants should bring their own laptops with the latest (v8.4) GRASS GIS version installed and workshop data downloaded.

Download GRASS GIS here:

https://grass.osgeo.org/download/

How to run the notebooks

The workshop can be run online in WholeTale. This is a convenient way, since no installation is needed. WholeTale is a scalable, open source, web-based platform for reproducible research.

1. Go to GRASS-101-TNGIC-2024
2. Log in (there are different options)
3. Run Tale (blue button at the top right)
4. Confirm Copy and Run Tale
5. If it keeps showing Importing... try to reload
6. Run Tale

Workshop Agenda

Part 1 (50 min): Getting Started with the GUI

• Open GRASS (GUI)
• Explore GUI Components
• Create new project and import Sentinel-2 Imagery

Part 2 (50 min): Becoming a power user

• Visualize Data
• Set Computational Region
• Introduce GRASS command line interface
• Show Python Console, Python API

Break (30 min)

Part 3 (50 min): Hop in the Fast Lane with Notebooks

• Launch WholeTale
• Brief introduction to Notebooks and GRASS in Notebooks
• Create project and import Sentinel-2 Imagery

Part 4 (50 min): Working with Imagery

• Display RGB imagery
• Compute NDVI
• Compute averge NDVI for each Land Cover class
• Export the script to a python file

Authors

  

• Vero Andreo, NCSU Center for Geospatial Analytics
• Caitlin Haedrich, NCSU Center for Geospatial Analytics

License

This material is dual licensed under GNU FDL 1.3 and CC BY-SA 4.0.

Acknowledgement

This workshop was developed and delivered with the support of the U.S. National Science Foundation, award 2303651.