docs: public Predictor circuit(Location transmitter, Location receiver, boolean shorter)
      {
          this.receiverLocation = receiver;
          input.add(new CommandLine<>(CIRCUIT, 5,
                  Math.abs(transmitter.getLatitude()),
                  transmitter.getLatitudeNS(),
                  Math.abs(transmitter.getLongitude()),
                  transmitter.getLongitudeWE(),
                  Math.abs(receiver.getLatitude()),
                  receiver.getLatitudeNS(),
                  Math.abs(receiver.getLongitude()),
                  receiver.getLongitudeWE(),
                  shorter ? 0 : 1
          ));
          return this;
      }