extract_line.inl

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//
//
/*
    Copyright (C) 2004- 2009, Hammersmith Imanet
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0
 
    See STIR/LICENSE.txt for details
*/
 
START_NAMESPACE_STIR
template <class elemT>
Array<1, elemT>
extract_line(const Array<3, elemT>& input_array, const BasicCoordinate<3, int>& index, const int dimension)
{
  BasicCoordinate<3, int> min_index, max_index;
  min_index[1] = input_array.get_min_index();
  max_index[1] = input_array.get_max_index();
  min_index[2] = input_array[index[1]].get_min_index();
  max_index[2] = input_array[index[1]].get_max_index();
  min_index[3] = input_array[index[1]][index[2]].get_min_index();
  max_index[3] = input_array[index[1]][index[2]].get_max_index();
  Array<1, elemT> line(min_index[dimension], max_index[dimension]);
  BasicCoordinate<3, int> running_index = index;
  int& counter = running_index[dimension];
  for (counter = min_index[dimension]; counter <= max_index[dimension]; ++counter)
    line[counter] = input_array[running_index];
  return line;
}
 
END_NAMESPACE_STIR