georaffer 0.1.0

Download and process geospatial tiles (JP2, LAZ) from German state geodata providers

georaffer

Download German orthophotos and DSM tiles (NRW, RLP) as GeoTIFF.

Installation

pip (macOS, Linux x86, Windows)

pip install georaffer

conda-forge (all platforms incl. Linux ARM64)

git clone https://github.com/michaelschleiss/georaffer
cd georaffer
conda create -n georaffer libgdal-jp2openjpeg lazrs-python laspy rasterio -c conda-forge
conda activate georaffer
pip install -e .

Or with pixi:

git clone https://github.com/michaelschleiss/georaffer
cd georaffer
pixi install

Usage

# From 4Seasons dataset
georaffer pygeon /data/4seasons/campaign --output ./tiles

# From CSV with coordinates
georaffer csv coords.csv --cols lon,lat --output ./tiles

# From bounding box
georaffer bbox 6.9,50.9,7.1,51.1 --output ./tiles

# From specific tile indices
georaffer tiles 362,5604 --output ./tiles

See georaffer --help for all options.

Adding New Regions

Subclass BaseDownloader and implement:

• parse_catalog() - Parse the region's tile feed/catalog
• grid_to_filename() - Convert grid coordinates to download URL
• utm_to_grid_coords() - Convert UTM to the region's grid system

See georaffer/downloaders/nrw.py as reference.

License

MIT