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Create Spatial Unit for PRA (Petite Région Agricole)

create_spatial_unit.pra.Rd

This function reads a raw shapefile containing PRA commune data, aggregates geometries by PRA code, and optionally writes the resulting spatial units to a shapefile.

Usage

create_spatial_unit.pra(
  write_results = cfg$data$write_results,
  cfg = loadConfig()
)

Arguments

write_results

logical If TRUE writes the results in the data folder. See returned value of loadConfig.

cfg

a config object. Configuration to use. See loadConfig for details

Value

An sf object containing PRA spatial units with aggregated geometries grouped by PRA_Code. Records with missing PRA_Code values are filtered out.

Details

The function performs the following steps:

  • Reads the raw shapefile "CommunePra_SFWGS84_WithCell.shp" from the configured raw data directory

  • Groups geometries by PRA_Code

  • Unions overlapping geometries within each PRA group

  • Removes records where PRA_Code is NA

  • Optionally writes the result to "spatial_unit_pra.shp" in the configured GIS output directory