ex_find_evoked

Find all evoked data sets from a file.

Libraries: MNE Core, FIFF I/O, Utilities

Options

Option	Description
--ave	Path to the evoked/average <file>.

Build and run

cmake --build build/developer-dynamic --target ex_find_evoked
./out/Release/examples/ex_find_evoked --help

The default inputs come from the MNE sample dataset.

Source

src/examples/ex_find_evoked/main.cpp

//=============================================================================================================
/**
 * SPDX-License-Identifier: BSD-3-Clause
 * Copyright (c) 2012-2026 MNE-CPP Authors
 *
 * @file     main.cpp
 * @author   Gabriel Motta <gabrielbenmotta@gmail.com>;
 *           Christoph Dinh <christoph.dinh@mne-cpp.org>;
 *           Lorenz Esch <lorenz.esch@tu-ilmenau.de>
 * @since    0.1.0
 * @date     July, 2012
 * @brief     Find all evoked data sets from a file
 */

//=============================================================================================================
// INCLUDES
//=============================================================================================================

#include <iostream>
#include <vector>
#include <math.h>

#include <fiff/fiff.h>
#include <mne/mne.h>

#include <utils/generics/mne_logger.h>

//=============================================================================================================
// QT INCLUDES
//=============================================================================================================

#include <QtCore/QCoreApplication>
#include <QCommandLineParser>
#include <QFile>

//=============================================================================================================
// USED NAMESPACES
//=============================================================================================================

using namespace FIFFLIB;
using namespace MNELIB;
using namespace UTILSLIB;

//=============================================================================================================
// MAIN
//=============================================================================================================

//=============================================================================================================
/**
 * The function main marks the entry point of the program.
 * By default, main has the storage class extern.
 *
 * @param[in] argc (argument count) is an integer that indicates how many arguments were entered on the command line when the program was started.
 * @param[in] argv (argument vector) is an array of pointers to arrays of character objects. The array objects are null-terminated strings, representing the arguments that were entered on the command line when the program was started.
 * @return the value that was set to exit() (which is 0 if exit() is called via quit()).
 */
int main(int argc, char* argv[])
{
    qInstallMessageHandler(MNELogger::customLogWriter);
    QCoreApplication a(argc, argv);

    // Command Line Parser
    QCommandLineParser parser;
    parser.setApplicationDescription("Find Evoked Example");
    parser.addHelpOption();
    QCommandLineOption evokedFileOption("ave", "Path to the evoked/average <file>.", "file", QCoreApplication::applicationDirPath() + "/../resources/data/MNE-sample-data/MEG/sample/sample_audvis-ave.fif");

    parser.addOption(evokedFileOption);

    parser.process(a);

    //generate FiffEvokedSet
    QFile t_sampleFile(parser.value(evokedFileOption));
    FiffEvokedSet p_FiffEvokedSet(t_sampleFile);

    //run find_evoked function
    p_FiffEvokedSet.find_evoked(p_FiffEvokedSet);

    return a.exec();
}

//=============================================================================================================
// STATIC DEFINITIONS
//=============================================================================================================