read_velocity_data.h

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// Copyright (C) 2024 Christian Brommer, Control of Networked Systems, University of Klagenfurt, Austria.
//
// All rights reserved.
//
// This software is licensed under the terms of the BSD-2-Clause-License with
// no commercial use allowed, the full terms of which are made available
// in the LICENSE file. No license in patents is granted.
//
// You can contact the author at <christian.brommer@ieee.org>
 
#ifndef READ_VELOCITY_DATA_H
#define READ_VELOCITY_DATA_H
 
#include <mars/data_utils/read_csv.h>
#include <mars/sensors/velocity/velocity_measurement_type.h>
#include <mars/time.h>
#include <mars/type_definitions/buffer_data_type.h>
#include <mars/type_definitions/buffer_entry_type.h>
#include <Eigen/Dense>
#include <vector>
 
namespace mars
{
class ReadVelocityData
{
public:
  EIGEN_MAKE_ALIGNED_OPERATOR_NEW
 
  ReadVelocityData(std::vector<BufferEntryType>* data_out, std::shared_ptr<SensorAbsClass> sensor,
                   const std::string& file_path, const double& time_offset = 0)
  {
    std::vector<std::string> expect_entry = { "t", "v_x", "v_y", "v_z" };
 
    CsvDataType csv_data;
    ReadCsv(&csv_data, file_path);
 
    unsigned long number_of_datapoints = csv_data["t"].size();
    data_out->resize(number_of_datapoints);
 
    for (size_t k = 0; k < number_of_datapoints; k++)
    {
      Time time = csv_data["t"][k] + time_offset;
      Eigen::Vector3d velocity(csv_data["v_x"][k], csv_data["v_y"][k], csv_data["v_z"][k]);
 
      BufferDataType data;
      data.set_measurement(std::make_shared<VelocityMeasurementType>(velocity));
 
      BufferEntryType current_entry(time, data, sensor);
      data_out->at(k) = current_entry;
    }
  }
};
}  // namespace mars
 
#endif  // READ_VELOCITY_DATA_H