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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #pragma once
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34
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35 #include "DicomDataset.h"
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36
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37 namespace OrthancStone
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38 {
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39 // Geometry of a 3D plane, NOT thread-safe
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40 class SliceGeometry
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41 {
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42 private:
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43 Vector origin_;
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44 Vector normal_;
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45 Vector axisX_;
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46 Vector axisY_;
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47
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48 void CheckAndComputeNormal();
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49
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50 void Setup(const std::string& imagePositionPatient,
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51 const std::string& imageOrientationPatient);
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52
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53 void SetupCanonical();
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54
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55 public:
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56 SliceGeometry()
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57 {
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58 SetupCanonical();
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59 }
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60
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61 SliceGeometry(const Vector& origin,
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62 const Vector& axisX,
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63 const Vector& axisY);
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64
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65 SliceGeometry(const DicomDataset& dicom);
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66
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67 SliceGeometry(const std::string& imagePositionPatient,
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68 const std::string& imageOrientationPatient)
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69 {
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70 Setup(imagePositionPatient, imageOrientationPatient);
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71 }
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72
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73 const Vector& GetNormal() const
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74 {
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75 return normal_;
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76 }
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77
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78 const Vector& GetOrigin() const
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79 {
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80 return origin_;
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81 }
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82
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83 const Vector& GetAxisX() const
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84 {
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85 return axisX_;
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86 }
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87
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88 const Vector& GetAxisY() const
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89 {
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90 return axisY_;
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91 }
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92
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93 Vector MapSliceToWorldCoordinates(double x,
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94 double y) const;
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95
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96 double ProjectAlongNormal(const Vector& point) const;
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97
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98 void ProjectPoint(double& offsetX,
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99 double& offsetY,
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100 const Vector& point) const;
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101 };
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102 }
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