poses_interpolation.h

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/******************************************************************************
 * Copyright 2017 The Apollo Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *****************************************************************************/
 
#pragma once
 
#include <iostream>
#include <string>
#include <vector>
 
#include "modules/common/util/eigen_defs.h"
 
namespace apollo {
namespace localization {
namespace msf {
 
class PosesInterpolation {
 public:
  PosesInterpolation();
  bool Init(const std::string &input_poses_path,
            const std::string &ref_timestamps_path,
            const std::string &out_poses_path,
            const std::string &extrinsic_path);
  void DoInterpolation();
 
  EIGEN_MAKE_ALIGNED_OPERATOR_NEW
 
 private:
  void LoadPCDTimestamp();
  void WritePCDPoses();
  void PoseInterpolationByTime(
      const ::apollo::common::EigenAffine3dVec &in_poses,
      const std::vector<double> &in_timestamps,
      const std::vector<double> &ref_timestamps,
      const std::vector<unsigned int> &ref_indexes,
      std::vector<unsigned int> *out_indexes,
      std::vector<double> *out_timestamps,
      ::apollo::common::EigenAffine3dVec *out_poses);
 
 private:
  std::string input_poses_path_;
  std::string ref_timestamps_path_;
  std::string out_poses_path_;
  std::string extrinsic_path_;
 
  Eigen::Affine3d velodyne_extrinsic_;
 
  ::apollo::common::EigenAffine3dVec input_poses_;
  std::vector<double> input_poses_timestamps_;
 
  std::vector<double> ref_timestamps_;
  std::vector<unsigned int> ref_ids_;
 
  std::vector<unsigned int> out_indexes_;
  std::vector<double> out_timestamps_;
  ::apollo::common::EigenAffine3dVec out_poses_;
};
 
}  // namespace msf
}  // namespace localization
}  // namespace apollo