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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
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//! [Precursor]
#include <OpenMS/KERNEL/MSExperiment.h>
#include <OpenMS/METADATA/Precursor.h>
#include <OpenMS/FORMAT/MzMLFile.h>
#include <OpenMS/CONCEPT/Exception.h>
#include <iostream>
using namespace OpenMS;
using namespace std;
int main(int argc, const char** argv)
{
if (argc < 2) return 1;
// the path to the data should be given on the command line
String tutorial_data_path(argv[1]);
MSExperiment spectra;
MzMLFile f;
// load mzML from code examples folder
f.load(tutorial_data_path + "/data/Tutorial_GaussFilter.mzML", spectra);
// iterate over map and output MS2 precursor information
for (auto s_it = spectra.begin(); s_it != spectra.end(); ++s_it)
{
// we are only interested in MS2 spectra so we skip all other levels
if (s_it->getMSLevel() != 2) continue;
// get a reference to the precursor information
const MSSpectrum& spectrum = *s_it;
const vector<Precursor>& precursors = spectrum.getPrecursors();
// size check & throw exception if needed
if (precursors.empty()) throw Exception::InvalidSize(__FILE__, __LINE__, OPENMS_PRETTY_FUNCTION, precursors.size());
// get m/z and intensity of precursor
double precursor_mz = precursors[0].getMZ();
float precursor_int = precursors[0].getIntensity();
// retrieve the precursor spectrum (the most recent MS1 spectrum)
PeakMap::ConstIterator precursor_spectrum = spectra.getPrecursorSpectrum(s_it);
double precursor_rt = precursor_spectrum->getRT();
// output precursor information
std::cout << " precusor m/z: " << precursor_mz
<< " intensity: " << precursor_int
<< " retention time (sec.): " << precursor_rt
<< std::endl;
}
return 0;
} // end of main
//! [Precursor]
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