LineModel constructor
Implementation
LineModel({
  required this.id,
  required this.coordinates,
  this.drawOrder = 0,
  this.altitudeMode = 'relativeToGround',
});
LineModel({
  required this.id,
  required this.coordinates,
  this.drawOrder = 0,
  this.altitudeMode = 'relativeToGround',
});