Function calcArea

calcArea(
    feature: GeoJSONStoreFeatures,
    unitType: MeasureUnitType,
    areaPrecision: number,
    forceUnit?: forceAreaUnitType,
    measureUnitSymbols?: MeasureUnitSymbolType,
): GeoJSONStoreFeatures
Calculate area from polygon feature
Parameters
- feature: GeoJSONStoreFeatures
  Polygon GeoJSON feature
- unitType: MeasureUnitType
  measure unit type either metric or imperial
- areaPrecision: number
  Precision of area value
- OptionalforceUnit: forceAreaUnitType
  Default is auto. If auto is set, unit is converted depending on the value and selection of area unit. If a specific unit is specified, it returns the value always the same. If a selected unit is not the same type of unit either metric of imperial, it will be ignored, and auto will be applied.
- OptionalmeasureUnitSymbols: MeasureUnitSymbolType
  Optional parameter to provide custom unit symbols
Returns GeoJSONStoreFeatures
The returning feature will contain area,unit properties.
- Defined in src/lib/helpers/calcArea.ts:19