buildFilename method

String buildFilename({
  1. required int baseLat,
  2. required int baseLon,
})

Implementation

String buildFilename({required int baseLat, required int baseLon}) {
  final latPrefix = baseLat >= 0 ? 'N' : 'S';
  final lonPrefix = baseLon >= 0 ? 'E' : 'W';
  final latAbs = baseLat.abs().toString().padLeft(2, '0');
  final lonAbs = baseLon.abs().toString().padLeft(3, '0');
  return '$latPrefix$latAbs$lonPrefix$lonAbs.hgt';
}