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core/distance.hh
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1/* -*- mia-c++ -*-
2 *
3 * This file is part of MIA - a toolbox for medical image analysis
4 * Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
5 *
6 * MIA is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with MIA; if not, see <http://www.gnu.org/licenses/>.
18 *
19 */
20
21#ifndef mia_core_distance_hh
22#define mia_core_distance_hh
23
24#include <vector>
25#include <algorithm>
26#include <limits>
27#include <iterator>
28
29#include <mia/core/defines.hh>
30
32
42void EXPORT_CORE distance_transform_inplace(std::vector<float>& r);
43
61template <typename InputIterator, typename OutputIterator>
62void distance_transform_prepare(InputIterator in_begin, InputIterator in_end,
63 OutputIterator out_begin, bool to_mask)
64{
65 if (to_mask) {
66 std::transform(in_begin, in_end, out_begin,
67 [](bool x) {
68 return x ? 0.0f : std::numeric_limits<float>::max();
69 });
70 } else {
71 std::transform(in_begin, in_end, out_begin, [](float x) {
72 return x * x;
73 });
74 }
75}
76
78
79#endif
void distance_transform_prepare(InputIterator in_begin, InputIterator in_end, OutputIterator out_begin, bool to_mask)
void EXPORT_CORE distance_transform_inplace(std::vector< float > &r)
#define NS_MIA_BEGIN
conveniance define to start the mia namespace
Definition: defines.hh:33
#define EXPORT_CORE
Macro to manage Visual C++ style dllimport/dllexport.
Definition: defines.hh:101
#define NS_MIA_END
conveniance define to end the mia namespace
Definition: defines.hh:36