MSExperiment.h

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// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2018.
//
// This software is released under a three-clause BSD license:
//  * Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//  * Neither the name of any author or any participating institution
//    may be used to endorse or promote products derived from this software
//    without specific prior written permission.
// For a full list of authors, refer to the file AUTHORS.
// --------------------------------------------------------------------------
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL ANY OF THE AUTHORS OR THE CONTRIBUTING
// INSTITUTIONS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg$
// $Authors: Marc Sturm $
// --------------------------------------------------------------------------

#pragma once

#include <OpenMS/KERNEL/StandardDeclarations.h>
#include <OpenMS/CONCEPT/Exception.h>
#include <OpenMS/DATASTRUCTURES/DRange.h>
#include <OpenMS/KERNEL/AreaIterator.h>
#include <OpenMS/KERNEL/MSChromatogram.h>
#include <OpenMS/KERNEL/MSSpectrum.h>
#include <OpenMS/METADATA/ExperimentalSettings.h>

#include <vector>


namespace OpenMS
{
  class Peak1D;
  class ChromatogramPeak;

  class OPENMS_DLLAPI MSExperiment :
    public RangeManager<2>,
    public ExperimentalSettings
  {

public:
    typedef Peak1D PeakT;
    typedef ChromatogramPeak ChromatogramPeakT;


    typedef PeakT PeakType;
    typedef ChromatogramPeakT ChromatogramPeakType;
    typedef DRange<2> AreaType;
    typedef PeakType::CoordinateType CoordinateType;
    typedef PeakType::IntensityType IntensityType;
    typedef RangeManager<2> RangeManagerType;
    typedef MSSpectrum SpectrumType;
    typedef MSChromatogram ChromatogramType;
    typedef std::vector<SpectrumType> Base;


    typedef std::vector<SpectrumType>::iterator Iterator;
    typedef std::vector<SpectrumType>::const_iterator ConstIterator;
    typedef Internal::AreaIterator<PeakT, PeakT &, PeakT *, Iterator, SpectrumType::Iterator> AreaIterator;
    typedef Internal::AreaIterator<const PeakT, const PeakT &, const PeakT *, ConstIterator, SpectrumType::ConstIterator> ConstAreaIterator;

    // Attention: these refer to the spectra vector only!
    typedef Base::value_type value_type; 
    typedef Base::iterator iterator; 
    typedef Base::const_iterator const_iterator; 

    inline Size size() const
    {
      return spectra_.size(); 
    }

    inline void resize(Size s)
    {
      spectra_.resize(s); 
    }

    inline bool empty() const
    {
      return spectra_.empty(); 
    }

    inline void reserve(Size s)
    {
      spectra_.reserve(s); 
    }

    inline SpectrumType& operator[] (Size n)
    {
      return spectra_[n];
    }

    inline const SpectrumType& operator[] (Size n) const
    {
      return spectra_[n];
    }

    inline Iterator begin() 
    {
      return spectra_.begin();
    }

    inline ConstIterator begin() const
    {
      return spectra_.begin();
    }

    inline Iterator end() 
    {
      return spectra_.end();
    }

    inline ConstIterator end() const
    {
      return spectra_.end();
    }

    // Aliases / chromatograms
    void reserveSpaceSpectra(Size s);
    void reserveSpaceChromatograms(Size s);

    MSExperiment();

    MSExperiment(const MSExperiment & source);

    MSExperiment & operator=(const MSExperiment & source);

    MSExperiment & operator=(const ExperimentalSettings & source);

    bool operator==(const MSExperiment & rhs) const;

    bool operator!=(const MSExperiment & rhs) const;



    template <class Container>
    void get2DData(Container & cont) const
    {
      for (typename Base::const_iterator spec = spectra_.begin(); spec != spectra_.end(); ++spec)
      {
        if (spec->getMSLevel() != 1)
        {
          continue;
        }
        typename Container::value_type s; // explicit object here, since instantiation within push_back() fails on VS<12
        for (typename SpectrumType::const_iterator it = spec->begin(); it != spec->end(); ++it)
        {
          cont.push_back(s);
          cont.back().setRT(spec->getRT());
          cont.back().setMZ(it->getMZ());
          cont.back().setIntensity(it->getIntensity());
        }
      }
    }

    template <class Container>
    void set2DData(const Container& container)
    {
      set2DData<false, Container>(container);
    }

    template <class Container>
    void set2DData(const Container& container, const StringList& store_metadata_names)
    {
      // clean up the container first
      clear(true);
      SpectrumType* spectrum = nullptr;
      typename PeakType::CoordinateType current_rt = -std::numeric_limits<typename PeakType::CoordinateType>::max();
      for (typename Container::const_iterator iter = container.begin(); iter != container.end(); ++iter)
      {
        // check if the retention time has changed
        if (current_rt != iter->getRT() || spectrum == nullptr)
        {
          // append new spectrum
          if (current_rt > iter->getRT())
          {
            throw Exception::Precondition(__FILE__, __LINE__, OPENMS_PRETTY_FUNCTION, "Input container is not sorted!");
          }
          current_rt =  iter->getRT();
          spectrum = createSpec_(current_rt, store_metadata_names);
        }

        // add either data point or mass traces (depending on template argument value)
        ContainerAdd_<typename Container::value_type, false>::addData_(spectrum, &(*iter), store_metadata_names);
      }
    }

    template <bool add_mass_traces, class Container>
    void set2DData(const Container& container)
    {
      // clean up the container first
      clear(true);
      SpectrumType* spectrum = nullptr;
      typename PeakType::CoordinateType current_rt = -std::numeric_limits<typename PeakType::CoordinateType>::max();
      for (typename Container::const_iterator iter = container.begin(); iter != container.end(); ++iter)
      {
        // check if the retention time has changed
        if (current_rt != iter->getRT() || spectrum == nullptr)
        {
          // append new spectrum
          if (current_rt > iter->getRT())
          {
            throw Exception::Precondition(__FILE__, __LINE__, OPENMS_PRETTY_FUNCTION, "Input container is not sorted!");
          }
          current_rt =  iter->getRT();
          spectrum = createSpec_(current_rt);
        }

        // add either data point or mass traces (depending on template argument value)
        ContainerAdd_<typename Container::value_type, add_mass_traces>::addData_(spectrum, &(*iter));
      }
    }




    AreaIterator areaBegin(CoordinateType min_rt, CoordinateType max_rt, CoordinateType min_mz, CoordinateType max_mz);

    AreaIterator areaEnd();

    ConstAreaIterator areaBeginConst(CoordinateType min_rt, CoordinateType max_rt, CoordinateType min_mz, CoordinateType max_mz) const;

    ConstAreaIterator areaEndConst() const;

    ConstIterator RTBegin(CoordinateType rt) const;

    ConstIterator RTEnd(CoordinateType rt) const;

    Iterator RTBegin(CoordinateType rt);

    Iterator RTEnd(CoordinateType rt);


    // Docu in base class
    void updateRanges() override;

    void updateRanges(Int ms_level);

    CoordinateType getMinMZ() const;

    CoordinateType getMaxMZ() const;

    CoordinateType getMinRT() const;

    CoordinateType getMaxRT() const;

    const AreaType & getDataRange() const;

    UInt64 getSize() const;

    const std::vector<UInt> & getMSLevels() const;



    void sortSpectra(bool sort_mz = true);

    void sortChromatograms(bool sort_rt = true);

    bool isSorted(bool check_mz = true) const;


    void reset();

    bool clearMetaDataArrays();

    const ExperimentalSettings & getExperimentalSettings() const;

    ExperimentalSettings & getExperimentalSettings();

    void getPrimaryMSRunPath(StringList& toFill) const;

    ConstIterator getPrecursorSpectrum(ConstIterator iterator) const;

    void swap(MSExperiment & from);

    void setSpectra(const std::vector<MSSpectrum> & spectra);

    void addSpectrum(const MSSpectrum & spectrum);

    const std::vector<MSSpectrum> & getSpectra() const;

    std::vector<MSSpectrum> & getSpectra();

    void setChromatograms(const std::vector<MSChromatogram > & chromatograms);

    void addChromatogram(const MSChromatogram & chromatogram);

    const std::vector<MSChromatogram > & getChromatograms() const;

    std::vector<MSChromatogram > & getChromatograms();


    MSChromatogram & getChromatogram(Size id);

    MSSpectrum & getSpectrum(Size id);

    Size getNrSpectra() const;

    Size getNrChromatograms() const;

    const MSChromatogram getTIC() const;

    void clear(bool clear_meta_data);

protected:


    std::vector<UInt> ms_levels_;
    UInt64 total_size_;

    std::vector<MSChromatogram > chromatograms_;

    std::vector<SpectrumType> spectra_;

private:
   
    template<typename ContainerValueType, bool addMassTraces>
    struct ContainerAdd_
    {
      static void addData_(SpectrumType* spectrum, const ContainerValueType* item);
      static void addData_(SpectrumType* spectrum, const ContainerValueType* item, const StringList& store_metadata_names);      
    };

    template<typename ContainerValueType>
    struct ContainerAdd_<ContainerValueType, false>
    {
      static void addData_(SpectrumType* spectrum, const ContainerValueType* item)
      {
        // create temporary peak and insert it into spectrum
        spectrum->insert(spectrum->end(), PeakType());
        spectrum->back().setIntensity(item->getIntensity());
        spectrum->back().setPosition(item->getMZ());
      }
      static void addData_(SpectrumType* spectrum, const ContainerValueType* item, const StringList& store_metadata_names)
      {
        addData_(spectrum, item);
        for (StringList::const_iterator itm = store_metadata_names.begin(); itm != store_metadata_names.end(); ++itm)
        {
          float val = std::numeric_limits<float>::quiet_NaN();
          if (item->metaValueExists(*itm)) val = item->getMetaValue(*itm);
          spectrum->getFloatDataArrays()[itm - store_metadata_names.begin()].push_back(val);
        }
      }
    };

    template<typename ContainerValueType>
    struct ContainerAdd_<ContainerValueType, true>
    {
      static void addData_(SpectrumType* spectrum, const ContainerValueType* item)
      {
        if (item->metaValueExists("num_of_masstraces"))
        {
          Size mts = item->getMetaValue("num_of_masstraces");
          int charge = (item->getCharge()==0 ? 1 : item->getCharge()); // set to 1 if charge is 0, otherwise div/0 below
          for (Size i = 0; i < mts; ++i)
          {
            String meta_name = String("masstrace_intensity_") + i;
            if (!item->metaValueExists(meta_name))
            {
              throw Exception::Precondition(__FILE__, __LINE__, OPENMS_PRETTY_FUNCTION, String("Meta value '") + meta_name + "' expected but not found in container.");
            }
            ContainerValueType p;
            p.setIntensity(item->getMetaValue(meta_name));
            p.setPosition(item->getMZ() + Constants::C13C12_MASSDIFF_U / charge * i);
            ContainerAdd_<ContainerValueType, false>::addData_(spectrum, &p);
          }
        }
        else ContainerAdd_<ContainerValueType, false>::addData_(spectrum, item);
      }
    };

    /*
      @brief Append a spectrum to current MSExperiment 

      @param rt RT of new spectrum
      @return Pointer to newly created spectrum
    */
    SpectrumType* createSpec_(PeakType::CoordinateType rt);

    /*
      @brief Append a spectrum including floatdata arrays to current MSExperiment 

      @param rt RT of new spectrum
      @param metadata_names Names of floatdata arrays attached to this spectrum
      @return Pointer to newly created spectrum
    */
    SpectrumType* createSpec_(PeakType::CoordinateType rt, const StringList& metadata_names);
  
  };

  
  std::ostream & operator<<(std::ostream & os, const MSExperiment & exp);

} // namespace OpenMS

#include <OpenMS/KERNEL/StandardTypes.h>