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/* Copyright (c) 2008-2022 the MRtrix3 contributors.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Covered Software is provided under this License on an "as is"
* basis, without warranty of any kind, either expressed, implied, or
* statutory, including, without limitation, warranties that the
* Covered Software is free of defects, merchantable, fit for a
* particular purpose or non-infringing.
* See the Mozilla Public License v. 2.0 for more details.
*
* For more details, see http://www.mrtrix.org/.
*/
#ifndef __axes_h__
#define __axes_h__
#include <string>
#include "types.h"
namespace MR
{
namespace Axes
{
//! convert axis directions between formats
/*! these helper functions convert the definition of
* phase-encoding direction between a 3-vector (e.g.
* [0 1 0] ) and a NIfTI axis identifier (e.g. 'i-')
*/
std::string dir2id (const Eigen::Vector3d&);
Eigen::Vector3d id2dir (const std::string&);
//! determine the axis permutations and flips necessary to make an image
//! appear approximately axial
void get_permutation_to_make_axial (const transform_type& T, std::array<size_t, 3>& perm, std::array<bool, 3>& flip);
}
}
#endif
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