Added read method

  }

  /**

   * Read a control network file and prepare the data to be converted into

   * a control network.

   *

   * @param netFile The control network file to read.

   */

  void ControlNetVersioner::read(const FileName netFile) {

    try {

      Pvl network(netFile.expanded());

      if (network.hasObject("ProtoBuffer")) {

        readProtobuf(network, netFile);

      }

      else if (network.hasObject("ControlNetwork")) {

        readPvl(network);

      }

      else {

        IString msg = "Could not determine the control network file type";

        throw IException(IException::Io, msg, _FILEINFO_);

      }

    }

    catch (IException &e) {

      IString msg = "Reading the control network [" + netFile.name()

          + "] failed";

      throw IException(e, IException::Io, msg, _FILEINFO_);

    }

  }