MetaDataExtractorUtils.h

#ifndef MANTID_VATES_METADATAEXTRACTORUTILS_H_
#define MANTID_VATES_METADATAEXTRACTORUTILS_H_

#include "MantidAPI/IMDWorkspace.h"
#include "MantidAPI/IMDIterator.h"
#include <qwt_double_interval.h>
#include <string>

/**
 * Class with utility methdos to extract meta data information from a
 *IMDWorkspace.
 *
 * @date November 21, 2014
 *
 * Copyright &copy; 2010 ISIS Rutherford Appleton Laboratory & NScD Oak Ridge
 *National Laboratory
 *
 * This file is part of Mantid.
 *
 * Mantid is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Mantid is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * File change history is stored at: <https://github.com/mantidproject/mantid>
 * Code Documentation is available at: <http://doxygen.mantidproject.org>
 */
namespace Mantid {
namespace VATES {

class DLLExport MetaDataExtractorUtils {
public:
  MetaDataExtractorUtils();

  ~MetaDataExtractorUtils();

  /**
    * Get the minimum, maximum pair from the workspace
    * @param workspace A pointer to the workspace
    * @returns A pair of minimum and maximum values.
    */
  QwtDoubleInterval getMinAndMax(const Mantid::API::IMDWorkspace *workspace);

  /**
    * Extracts the instrument from the workspace.
    * @param workspace A pointer to a workspace.
    * @returns The instrument.
    */
  std::string extractInstrument(const Mantid::API::IMDWorkspace *workspace);

private:
  /**
  * Get the range of data values from an MD iterator
  * @param it Iterator for a general MD workspace.
  * @returns A maximum and minimum pair.
  */
  QwtDoubleInterval getRange(Mantid::API::IMDIterator *it);

  double defaultMin;
  double defaultMax;
};
}
}
#endif