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PeakDensityFilter.h (Maintainer: Andreas Bertsch)

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00001 // -*- Mode: C++; tab-width: 2; -*-
00002 // vi: set ts=2:
00003 //
00004 // --------------------------------------------------------------------------
00005 //                   OpenMS Mass Spectrometry Framework
00006 // --------------------------------------------------------------------------
00007 //  Copyright (C) 2003-2008 -- Oliver Kohlbacher, Knut Reinert
00008 //
00009 //  This library is free software; you can redistribute it and/or
00010 //  modify it under the terms of the GNU Lesser General Public
00011 //  License as published by the Free Software Foundation; either
00012 //  version 2.1 of the License, or (at your option) any later version.
00013 //
00014 //  This library is distributed in the hope that it will be useful,
00015 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 //  Lesser General Public License for more details.
00018 //
00019 //  You should have received a copy of the GNU Lesser General Public
00020 //  License along with this library; if not, write to the Free Software
00021 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 //
00023 // --------------------------------------------------------------------------
00024 // $Maintainer: Andreas Bertsch $
00025 // --------------------------------------------------------------------------
00026 //
00027 #ifndef OPENMS_FILTERING_TRANSFORMERS_PEAKDENSITYFILTER_H
00028 #define OPENMS_FILTERING_TRANSFORMERS_PEAKDENSITYFILTER_H
00029 
00030 #include <OpenMS/FILTERING/TRANSFORMERS/FilterFunctor.h>
00031 
00032 namespace OpenMS
00033 {
00039   class PeakDensityFilter : public FilterFunctor
00040   {
00041   public:
00042 
00043     // @name Constructors and Destructors
00044     // @{
00046     PeakDensityFilter();
00047 
00049     PeakDensityFilter(const PeakDensityFilter& source);
00050 
00052     virtual ~PeakDensityFilter();
00053     // @}
00054 
00055     // @name Operators
00056     // @{
00058     PeakDensityFilter& operator = (const PeakDensityFilter& source);
00059     // @}
00060 
00061     // @name Accessors
00062     // @{
00064     static FilterFunctor* create() { return new PeakDensityFilter();}
00065 
00066     template <typename SpectrumType> double apply(SpectrumType& spectrum)
00067     {
00068       int nrpeaks = spectrum.getContainer().size();
00069       double size = spectrum.getPrecursorPeak().getPosition()[0];
00070       double density = nrpeaks/size;
00071       return density;
00072     }
00073 
00075     static const String getProductName()
00076     {
00077       return "PeakDensityFilter";
00078     }
00079     // @}
00080 
00081   };
00082 }
00083 #endif //OPENMS_FILTERING_TRANSFORMERS_PEAKDENSITYFILTER_H
00084 

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