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/*
* Copyright (c) 2008-2018 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/
*
* MRtrix3 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* 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::Vector3&);
Eigen::Vector3 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, size_t perm[3], bool flip[3]);
}
}
#endif
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