annotate OrthancStone/Sources/Toolbox/CoordinateSystem3D.h @ 1558:314b6dc507d9

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 20 Aug 2020 11:38:56 +0200
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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 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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22 #pragma once
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23
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24 #include "../Scene2D/ScenePoint2D.h"
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25 #include "LinearAlgebra.h"
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26 #include "OrthancDatasets/IDicomDataset.h"
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28 #include <iosfwd>
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30 namespace OrthancStone
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31 {
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32 // Geometry of a 3D plane
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33 class CoordinateSystem3D
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34 {
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35 private:
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36 Vector origin_;
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37 Vector normal_;
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38 Vector axisX_;
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39 Vector axisY_;
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40 double d_;
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42 void CheckAndComputeNormal();
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44 void Setup(const std::string& imagePositionPatient,
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45 const std::string& imageOrientationPatient);
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47 void SetupCanonical();
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48
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49 double GetOffset() const;
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51 public:
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52 CoordinateSystem3D()
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53 {
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54 SetupCanonical();
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55 }
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56
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57 friend std::ostream& operator<< (std::ostream& s, const CoordinateSystem3D& that);
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59 CoordinateSystem3D(const Vector& origin,
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60 const Vector& axisX,
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61 const Vector& axisY);
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62
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63 CoordinateSystem3D(const IDicomDataset& dicom);
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65 CoordinateSystem3D(const std::string& imagePositionPatient,
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66 const std::string& imageOrientationPatient)
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67 {
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68 Setup(imagePositionPatient, imageOrientationPatient);
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69 }
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71 CoordinateSystem3D(const Orthanc::DicomMap& dicom);
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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 // This is the "Image Position Patient" tag
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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 void SetOrigin(const Vector& origin);
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94
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95 Vector MapSliceToWorldCoordinates(double x,
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96 double y) const;
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97
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98 Vector MapSliceToWorldCoordinates(const ScenePoint2D& p) const
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99 {
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100 return MapSliceToWorldCoordinates(p.GetX(), p.GetY());
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101 }
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102
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103 double ProjectAlongNormal(const Vector& point) const;
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104
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105 void ProjectPoint(double& offsetX,
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106 double& offsetY,
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107 const Vector& point) const;
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108
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109 ScenePoint2D ProjectPoint(const Vector& point) const
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110 {
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111 double x, y;
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112 ProjectPoint(x, y, point);
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113 return ScenePoint2D(x, y);
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114 }
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115
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116 /*
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117 Alternated faster implementation (untested yet)
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118 */
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119 void ProjectPoint2(double& offsetX,
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120 double& offsetY,
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121 const Vector& point) const;
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122
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123 bool IntersectSegment(Vector& p,
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124 const Vector& edgeFrom,
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125 const Vector& edgeTo) const;
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126
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127 bool IntersectLine(Vector& p,
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128 const Vector& origin,
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129 const Vector& direction) const;
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131 // Returns "false" is the two planes are not parallel
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132 static bool ComputeDistance(double& distance,
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133 const CoordinateSystem3D& a,
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134 const CoordinateSystem3D& b);
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135
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136 // Normalize a cutting plane so that the origin (0,0,0) of the 3D
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137 // world is mapped to the origin of its (x,y) coordinate system
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138 static CoordinateSystem3D NormalizeCuttingPlane(const CoordinateSystem3D& plane);
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139 };
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140 }