/usr/include/mia-2.2/mia/template/labelmap.cxx is in libmia-2.2-dev 2.2.7-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | /* -*- mia-c++ -*-
*
* This file is part of MIA - a toolbox for medical image analysis
* Copyright (c) Leipzig, Madrid 1999-2015 Gert Wollny
*
* MIA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MIA; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdexcept>
#include <istream>
#include <fstream>
#include <mia/template/labelmap.hh>
NS_MIA_BEGIN;
template <class Image>
TLabelMapFilter<Image>::TLabelMapFilter(const CLabelMap& lmap)
{
for (auto i = lmap.begin(), e = lmap.end();
i != e; ++i)
m_map[i->first] = i->second;
}
template <class Image>
typename TLabelMapFilter<Image>::result_type TLabelMapFilter<Image>::do_filter(const Image& image) const
{
return mia::filter(*this, image);
}
template <typename Image, bool is_integer>
struct dispatch_label_map {
typedef typename Image::value_type value_type;
typedef std::map<size_t, size_t> LabelMap;
static
typename TLabelMapFilter<Image>::result_type
apply(const Image& /*image*/, const LabelMap& /*lmap*/){
throw std::invalid_argument("Labelmap: Floating pount values are nor supported");
}
};
template <typename Image>
struct dispatch_label_map<Image, true> {
typedef typename Image::value_type value_type;
typedef std::map<size_t, size_t> LabelMap;
typedef typename TLabelMapFilter<Image>::result_type result_type;
static result_type apply(const Image& image, const LabelMap& lmap){
Image *result = new Image(image.get_size(), image);
transform(image.begin(), image.end(), result->begin(),
[&lmap](value_type x){
auto iy = lmap.find(x);
return iy != lmap.end() ? static_cast<value_type>(iy->second) : x;
});
return result_type(result);
}
};
template <class Image>
template <class TImage>
typename TLabelMapFilter<Image>::result_type TLabelMapFilter<Image>::operator () (const TImage& data) const
{
return dispatch_label_map<TImage, std::numeric_limits<typename TImage::value_type>::is_integer>::apply(data, m_map);
}
template <class Image>
TLabelMapFilterPlugin<Image>::TLabelMapFilterPlugin():
TDataFilterPlugin<Image>("labelmap")
{
this->add_parameter("map", new CStringParameter(m_map, CCmdOptionFlags::required_input, "Label mapping file")) ;
}
template <class Image>
TDataFilter<Image> *TLabelMapFilterPlugin<Image>::do_create() const
{
std::ifstream is(m_map.c_str());
if (!is.good())
throw create_exception<std::runtime_error>("C2DLabelMapFilterPlugin::load_label_map:"
"Unable to open file '", m_map, "'");
CLabelMap map(is);
return new TLabelMapFilter<Image>(map);
}
template <class Image>
const std::string TLabelMapFilterPlugin<Image>::do_get_descr()const
{
return "Image filter to remap label id's. Only applicable to "
"images with integer valued intensities/labels.";
}
NS_END
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