sdc-catchment¶

Floating catchment area (FCA) spatial-accessibility metrics. Extracted from sdc_core.catchment; the Python replacement for the R catchment package.

Install¶

uv add sdc-catchment   # or: pip install sdc-catchment

Methods¶

2SFCA, E2SFCA, KD2SFCA, 3SFCA, modified-2SFCA, balanced FCA, and commute-based FCA are all parameter variations of a single catchment_ratio().

Public API¶

Symbol	What it does
`catchment_ratio`	Accessibility ratio under a chosen FCA variant.
`catchment_weight`	Distance-decay weight-matrix builder.
`catchment_connections` / `catchment_network`	Provider/consumer connectivity.
`euclidean_cost`	Pairwise Euclidean cost matrix.
`KERNELS`, `WeightSpec`	Kernel registry and weight-spec type.

See the Reference page for the full API.