topo-tools
topo-tools is a collection of DuckDB-powered geospatial topology utilities
for cleaning and reconciling administrative boundary polygons, usable from
the CLI or as a Python package.
Full documentation: https://ocha-dap.github.io/topo-tools-py/
| Tool | Description |
|---|---|
| schema-map | map and apply a source to target schema crosswalk |
| schema-fill | fill down admin-hierarchy columns |
| schema-join | copy parent admin-hierarchy columns onto each child |
| topo-clean | detect and fix gap/overlap defects |
| topo-detect | detect gap/overlap defects |
| edge-match | fit a child layer into a parent layer |
| edge-extend | fill gaps with a Voronoi extension |
| edge-mosaic | re-clip an extended child layer into a new parent |
| edge-clip | clip a child layer to its parent |
| edge-stitch | close seams in a tiled layer |
| change | classify changes between two polygon layer versions |
| package | dissolve, label, and line-ify a layer in one call |
| package-polygons | dissolve a layer into coarser admin levels |
| package-points | one label point per admin unit |
| package-lines | deduplicated admin boundary lines |
Installation
Install with uv (recommended):
uv tool install topo-tools # CLI
uv add topo-tools # Python library
Or with pip/pipx:
pip install topo-tools # CLI or library
pipx install topo-tools # CLI
On macOS/Linux, topo-tools is also available via Homebrew, no Python
tooling required:
brew install OCHA-DAP/topo-tools/topo-tools
Supported Formats
Polygon inputs/outputs: GeoParquet (.parquet), GeoPackage (.gpkg),
Shapefile (.shp), GeoJSON (.geojson). Output format matches input format.
change's tabular changelog is CSV or GeoParquet only; its spatial overlay
layer supports the same four formats as the other tools.
See CONTRIBUTING.md for development setup.
1 maintainer
Metadata
1 maintainer
Release files for topo-tools 0.9.0
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| topo_tools-0.9.0.tar.gz | 8.4 MB | With provenance | Details for topo_tools-0.9.0.tar.gz |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Actions Reset |
|---|---|---|---|---|
| topo_tools-0.9.0-py3-none-any.whl | Python 3 | none | any | Details for topo_tools-0.9.0-py3-none-any.whl |
Total release size: 8.6 MB
Release files / topo_tools-0.9.0.tar.gz
| Download URL | topo_tools-0.9.0.tar.gz |
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| Size | 8.4 MB |
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