Identify geographic centroid of fishery management or regulatory zone

Identify geographic centroid of fishery management or regulatory zone

Usage

find_centroid(
  spat,
  project,
  spatID,
  lon.spat = NULL,
  lat.spat = NULL,
  cent.name = NULL,
  log.fun = TRUE
)

Arguments

spat

Spatial data containing information on fishery management or regulatory zones. Can be shape file, json, geojson, data frame, or list.

project

Name of project

spatID

Variable or list in spat that identifies the individual areas or zones. If spat is class sf, spatID should be name of list containing information on zones.

lon.spat

Variable or list from spat containing longitude data. Required for csv files. Leave as NULL if spat is a shape or json file.

lat.spat

Variable or list from spat containing latitude data. Required for csv files. Leave as NULL if spat is a shape or json file.

cent.name

String, name to include in centroid table. Centroid name take the form of `"projectNameZoneCentroid"`. Defaults to `NULL` (e.g. `"projectZoneCentroid"`).

log.fun

Logical, whether to log function call (for internal use).

Value

Returns a data frame where each row is a unique zone and columns are the zone ID and the latitude and longitude defining the centroid of each zone.

Details

Returns the geographic centroid of each area/zone in spat. The centroid table is saved to the FishSET database. Function is called by the create_alternative_choice and create_dist_between functions.