Module civic_data_boundaries_us_cd118.export

Functions

apply_to_geojson_folder(folder: pathlib.Path, action_fn: collections.abc.Callable, *, suffix: str = '_processed.geojson', tolerance: float | None = None, max_features: int | None = None)

Apply an action to every .geojson file in a folder.

Args: folder (Path): Path to folder containing .geojson files. action_fn (Callable): Function to apply to each file. suffix (str): Suffix to add to output filenames. tolerance (float | None): Optional tolerance value for simplification. max_features (int | None): Optional limit for chunking.

chunk_layers()

Chunk all exported geojsons in data-out/, based on YAML configs. Handles both split-by-state folders and single nationwide layers.

chunk_one(path: pathlib.Path, max_features: int, output_dir: pathlib.Path)

Chunk a single GeoJSON file and write the output files.

Args: path (Path): Path to input GeoJSON file. max_features (int): Max features per chunk. output_dir (Path): Output folder to store chunks.

export_cd118()

Export CD118 boundaries: - a nationwide GeoJSON - one GeoJSON per state

get_data_out_dir() -> pathlib.Path

Return the root data-out directory for processed GeoJSON and chunked outputs.

load_layer_config(layer_name: str) -> dict

Load configuration for a given layer, merged with global defaults.

main() -> int

Export and chunk TIGER data for layers: - CD118 - Chunking output geojsons

Returns: int: 0 on success, 1 on error