Function RunModelComparer

src/colmap/exe/model.cc:520–573

}

int RunModelComparer(int argc, char** argv) {
  std::filesystem::path input_path1;
  std::filesystem::path input_path2;
  std::filesystem::path output_path;
  std::string alignment_error = "reprojection";
  double min_inlier_observations = 0.3;
  double max_reproj_error = 8.0;
  double max_proj_center_error = 0.1;

  OptionManager options;
  options.AddRequiredOption("input_path1", &input_path1);
  options.AddRequiredOption("input_path2", &input_path2);
  options.AddDefaultOption("output_path", &output_path);
  options.AddDefaultOption(
      "alignment_error", &alignment_error, "{reprojection, proj_center}");
  options.AddDefaultOption("min_inlier_observations", &min_inlier_observations);
  options.AddDefaultOption("max_reproj_error", &max_reproj_error);
  options.AddDefaultOption("max_proj_center_error", &max_proj_center_error);
  if (!options.Parse(argc, argv)) {
    return EXIT_FAILURE;
  }

  if (!output_path.empty() && !ExistsDir(output_path)) {
    LOG(ERROR) << "Provided output path is not a valid directory";
    return EXIT_FAILURE;
  }

  Reconstruction reconstruction1;
  reconstruction1.Read(input_path1);
  Reconstruction reconstruction2;
  reconstruction2.Read(input_path2);
  std::vector<ImageAlignmentError> errors;
  Sim3d rec2_from_rec1;
  bool success = CompareModels(reconstruction1,
                               reconstruction2,
                               alignment_error,
                               min_inlier_observations,
                               max_reproj_error,
                               max_proj_center_error,
                               errors,
                               rec2_from_rec1);
  if (!success) {
    return EXIT_FAILURE;
  }
  if (!output_path.empty()) {
    const auto errors_path = output_path / "errors.csv";
    WriteComparisonErrorsCSV(errors_path, errors);
    const auto summary_path = output_path / "errors_summary.txt";
    std::ofstream file(summary_path, std::ios::trunc);
    THROW_CHECK_FILE_OPEN(file, summary_path);
    PrintComparisonSummary(file, errors);
  }
  return EXIT_SUCCESS;
}

bool CompareModels(const Reconstruction& reconstruction1,
                   const Reconstruction& reconstruction2,