Frequently Used Code

A recipe book of simple code examples demonstrating how to perform common geospatial analysis tasks using DE Africa and open-source software.

• Run analyses on multiple polygons
• Generating animated time series using xr_animation
• Applying WOfS Bitmasking
• Calculating band indices
• Calculating band indices with Spyndex package
• Cloud and pixel quality masking for Landsat
• Extracting contour lines
• Downloading and streaming data using STAC metadata
• Exporting Cloud-Optimised GeoTIFFs
• Generating continental animated time series using xr_animation
• Generating composite images
• Generating GeoMAD composites
• Image segmentation
• Displaying satellite imagery on a web map
• Integrating external data from a CSV
• Exporting to Google Drive from the Sandbox
• Principal component analysis for multi-spectral data
• Rasterising vectors & vectorising rasters
• Reprojecting datacube and raster data
• Combining satellite data with tidal modelling using OTPS
• Using load_ard to load and cloud mask multiple satellite sensors
• Working with time in xarray

These notebooks can also be found in your home folder on the sandbox, or accessed from GitHub at:

https://github.com/digitalearthafrica/deafrica-sandbox-notebooks