This package finds the rHEALPIX dggs cells for Polygons using the rhgealpix dggs engine.
Project description
DGGSForPoly
poly_fill
Contains a function that returns a set of rHEALPIX DGGS cells that describe the geometry of the inputted polygon.
The function is built on top of the AusPIX DGGS Engine (https://github.com/GeoscienceAustralia/AusPIX_DGGS/) and makes use of Shapely's Binary Predicates (which is a possible area for future optimisation).
Fill Strategies
poly_fill() function has 3 fill_strategies:
1) poly_fully_covered_by_cells - returns a set of cells that completly encapsulating the polygon -> over estimates area
2) centroids_in_poly - returns a set of cells whose centroids are contained by the polygon.
3) cells_fully_contained_in_poly - returns a set of cells completely encapsulated by the Polygon -> under estimates area
cell_operations
Contains modules for calculating area of cell list and for visualising sets of cells and the polygon they represent. poly_fill utilises some functions in the helper module.
Setting up environment
$ python3 -m venv .venv
$ source .venv/bin/activate
# or on Windows: source .venv/Scripts/activate
$ python setup.py install
Include testing
$ pip install -U pytest
$ pytest
Project details
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