TimeSeriesUtils.h

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/*
 * This file is part of ArmarX.
 *
 * Copyright (C) 2012-2016, High Performance Humanoid Technologies (H2T),
 * Karlsruhe Institute of Technology (KIT), all rights reserved.
 *
 * ArmarX is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * ArmarX is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * @author      ()
 * @copyright  http://www.gnu.org/licenses/gpl-2.0.txt
 *             GNU General Public License
 */
 
#pragma once
 
#include <memory>
#include <vector>
 
namespace armarx::math
{
    class TimeSeriesUtils;
    using TimeSeriesUtilsPtr = std::shared_ptr<TimeSeriesUtils>;
 
    class TimeSeriesUtils
    {
    public:
        enum class BorderMode
        {
            Nearest
        };
        TimeSeriesUtils();
 
        static std::vector<float> Resample(const std::vector<float>& timestamps,
                                           const std::vector<float>& data,
                                           const std::vector<float>& newTimestamps);
        static std::vector<float> ApplyFilter(const std::vector<float>& data,
                                              const std::vector<float>& filter,
                                              BorderMode mode);
        static std::vector<float> ApplyGaussianFilter(const std::vector<float>& data,
                                                      float sigma,
                                                      float sampleTime,
                                                      BorderMode mode);
        static std::vector<float>
        CreateGaussianFilter(const float sigma, float sampleTime, float truncate = 4);
        static std::vector<float> MakeTimestamps(float start, float end, size_t count);
 
    private:
    };
} // namespace armarx::math