OpenMS
NLargest.h
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31 // $Maintainer: Mathias Walzer $
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34 //
35 #pragma once
36 
40 
43 
44 namespace OpenMS
45 {
46 
54  class OPENMS_DLLAPI NLargest :
55  public DefaultParamHandler
56  {
57 public:
58 
59  // @name Constructors and Destructors
60  // @{
61 
67  ~NLargest() override;
68 
70  NLargest(const NLargest & source);
72  NLargest & operator=(const NLargest & source);
73 
74  // @}
75 
77  template <typename SpectrumType>
78  void filterSpectrum(SpectrumType & spectrum)
79  {
80  if (spectrum.size() <= peakcount_) return;
81 
82  // sort by reverse intensity
83  spectrum.sortByIntensity(true);
84 
85  // keep the n largest peaks if more than n are present
86  std::vector<Size> indices;
87  for (Size i = 0; i != peakcount_; ++i)
88  {
89  indices.push_back(i);
90  }
91  spectrum.select(indices);
92  }
93 
94  void filterPeakSpectrum(PeakSpectrum & spectrum);
95 
96  void filterPeakMap(PeakMap & exp);
97 
98  //TODO reimplement DefaultParamHandler::updateMembers_()
99 
100  // @}
101 
102 protected:
103  void updateMembers_() override;
105 
107  void init_();
108 
109  };
110 
111 }
A base class for all classes handling default parameters.
Definition: DefaultParamHandler.h:92
In-Memory representation of a mass spectrometry run.
Definition: MSExperiment.h:72
The representation of a 1D spectrum.
Definition: MSSpectrum.h:70
MSSpectrum & select(const std::vector< Size > &indices)
void sortByIntensity(bool reverse=false)
Lexicographically sorts the peaks by their intensity.
NLargest removes all but the n largest peaks.
Definition: NLargest.h:56
void init_()
handles the initialization of the default parameters for the 2 constructors
NLargest & operator=(const NLargest &source)
assignment operator
NLargest(UInt n)
detailed constructor
NLargest()
default constructor
void filterPeakSpectrum(PeakSpectrum &spectrum)
~NLargest() override
destructor
void filterPeakMap(PeakMap &exp)
UInt peakcount_
Definition: NLargest.h:104
void updateMembers_() override
This method is used to update extra member variables at the end of the setParameters() method.
void filterSpectrum(SpectrumType &spectrum)
Definition: NLargest.h:78
NLargest(const NLargest &source)
copy constructor
unsigned int UInt
Unsigned integer type.
Definition: Types.h:94
size_t Size
Size type e.g. used as variable which can hold result of size()
Definition: Types.h:127
Main OpenMS namespace.
Definition: FeatureDeconvolution.h:48