OpenSwathHelper.h

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//                   OpenMS -- Open-Source Mass Spectrometry
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// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2018.
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// $Maintainer: Hannes Roest $
// $Authors: Hannes Roest $
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#pragma once

#include <OpenMS/KERNEL/StandardTypes.h>
#include <OpenMS/KERNEL/MSExperiment.h>
#include <OpenMS/ANALYSIS/TARGETED/TargetedExperiment.h>
#include <OpenMS/OPENSWATHALGO/DATAACCESS/TransitionExperiment.h>
#include <OpenMS/ANALYSIS/OPENSWATH/MRMFeatureFinderScoring.h>

namespace OpenMS
{
  class OPENMS_DLLAPI OpenSwathHelper
  {

public:

    static String computePrecursorId(const String& transition_group_id, int isotope)
    {
      return transition_group_id + "_Precursor_i" + String(isotope);
    }

    static void selectSwathTransitions(const OpenMS::TargetedExperiment& targeted_exp,
                                       OpenMS::TargetedExperiment& selected_transitions,
                                       double min_upper_edge_dist,
                                       double lower, double upper);

    static void selectSwathTransitions(const OpenSwath::LightTargetedExperiment& targeted_exp,
                                       OpenSwath::LightTargetedExperiment& selected_transitions,
                                       double min_upper_edge_dist,
                                       double lower, double upper);

    static void checkSwathMap(const OpenMS::PeakMap& swath_map,
                              double& lower, double& upper);

    template <class TargetedExperimentT>
    static bool checkSwathMapAndSelectTransitions(const OpenMS::PeakMap& exp,
                                                  const TargetedExperimentT& targeted_exp,
                                                  TargetedExperimentT& selected_transitions,
                                                  double min_upper_edge_dist)
    {
      if (exp.size() == 0 || exp[0].getPrecursors().size() == 0)
      {
        std::cerr << "WARNING: File " << exp.getLoadedFilePath()
                  << " does not have any experiments or any precursors. Is it a SWATH map? "
                  << "I will move to the next map."
                  << std::endl;
        return false;
      }
      double upper, lower;
      OpenSwathHelper::checkSwathMap(exp, lower, upper);
      OpenSwathHelper::selectSwathTransitions(targeted_exp, selected_transitions, min_upper_edge_dist, lower, upper);
      if (selected_transitions.getTransitions().size() == 0)
      {
        std::cerr << "WARNING: For File " << exp.getLoadedFilePath()
                  << " no transition were within the precursor window of " << lower << " to " << upper
                  << std::endl;
        return false;
      }
      return true;

    }

    static std::pair<double,double> estimateRTRange(const OpenSwath::LightTargetedExperiment & exp);

    static std::map<std::string, double> simpleFindBestFeature(const OpenMS::MRMFeatureFinderScoring::TransitionGroupMapType & transition_group_map, 
                                                               bool useQualCutoff = false,
                                                               double qualCutoff = 0.0);
  };

} // namespace OpenMS