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annotate OrthancStone/Resources/Graveyard/RTStructTentativeReimplementation-BGO/DicomStructurePolygon2.h @ 1908:affde38b84de

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moved tentative bgo reimplementation of rt-struct into graveyard
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 01 Feb 2022 08:38:32 +0100
parents OrthancStone/Sources/Toolbox/DicomStructurePolygon2.h@14c8f339d480
children 07964689cb0b
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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) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23 #pragma once
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24
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25 #ifdef BGO_ENABLE_DICOMSTRUCTURESETLOADER2
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26
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27 #include "CoordinateSystem3D.h"
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28 #include "DicomStructureSetUtils.h"
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29 #include "Extent2D.h"
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30
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31 #include "../Scene2D/Color.h"
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32 #include "../StoneException.h"
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33
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34 #include "OrthancDatasets/FullOrthancDataset.h"
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35
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36 #include <list>
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37 #include <string>
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38
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39 namespace OrthancStone
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40 {
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41
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42 /**
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43 Only polygons that are planar and parallel to either the X,Y or Z plane
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44 ("X plane" == plane where X is equal to a constant for each point) are
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45 supported.
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46 */
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47 class DicomStructurePolygon2
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48 {
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49 public:
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50 enum Type
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51 {
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52 ClosedPlanar,
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53 Unsupported
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54 };
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55
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56 DicomStructurePolygon2(std::string referencedSopInstanceUid, const std::string& type)
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57 : referencedSopInstanceUid_(referencedSopInstanceUid)
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58 , state_(Building)
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59 , minX_(std::numeric_limits<double>::max())
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60 , maxX_(-std::numeric_limits<double>::max())
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61 , minY_(std::numeric_limits<double>::max())
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62 , maxY_(-std::numeric_limits<double>::max())
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63 , minZ_(std::numeric_limits<double>::max())
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64 , maxZ_(-std::numeric_limits<double>::max())
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65 , type_(TypeFromString(type))
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66 {
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67 ORTHANC_ASSERT(type_ == ClosedPlanar);
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68 }
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69
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70 void ComputeDependentProperties();
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71
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72 size_t GetPointCount() const
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73 {
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74 ORTHANC_ASSERT(state_ == Valid);
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75 return points_.size();
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76 }
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77
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78 const Vector& GetPoint(size_t i) const
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79 {
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80 ORTHANC_ASSERT(state_ == Valid);
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81 return points_.at(i);
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82 }
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83
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84 void AddPoint(const Vector& v)
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85 {
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86 ORTHANC_ASSERT(state_ == Building);
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87 points_.push_back(v);
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88 }
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89
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90 void Reserve(size_t n)
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91 {
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92 ORTHANC_ASSERT(state_ == Building);
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93 points_.reserve(n);
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94 }
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95
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96 /**
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97 This method takes a plane+coord system that is parallel to the polygon
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98 and adds to polygons a new vector with the ordered set of points projected
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99 on the plane, in the plane coordinate system.
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100 */
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101 void ProjectOnParallelPlane(
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102 std::vector< std::pair<ScenePoint2D, ScenePoint2D> >& segments,
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103 const CoordinateSystem3D& plane) const;
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104
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105 /**
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106 Returns the coordinates of the intersection of the polygon and a plane
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107 that is perpendicular to the polygons (plane has either constant X or
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108 constant Y)
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109 */
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110 void ProjectOnConstantPlane(
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111 std::vector<ScenePoint2D>& intersections,
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112 const CoordinateSystem3D& plane) const;
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113
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114 /**
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115 This method assumes polygon has a normal equal to 0,0,-1 and 0,0,1 (thus,
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116 the polygon is parallel to the XY plane) and returns the Z coordinate of
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117 all the polygon points
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118 */
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119 double GetZ() const;
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120
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121 /**
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122 The normal sign is left undefined for now
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123 */
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124 Vector GetNormal() const
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125 {
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126 return normal_;
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127 }
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128
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129 /**
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130 This method will compute the intersection between a polygon and
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131 a plane where either X, Y or Z is constant.
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132 The plane is given with an origin and a normal. If the normal is
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133 not parallel to an axis, an error is raised.
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134 */
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135 void ComputeIntersectionWithPlane(const CoordinateSystem3D& plane);
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136
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137 private:
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138 static Type TypeFromString(const std::string& s)
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139 {
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140 if (s == "CLOSED_PLANAR")
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141 return ClosedPlanar;
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142 else
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143 return Unsupported;
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144 }
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145 enum State
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146 {
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147 Building,
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148 Valid
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149 };
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150 std::string referencedSopInstanceUid_;
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151 CoordinateSystem3D geometry_;
1895
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152 std::vector<Vector> points_;
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153 Vector normal_; // sign is irrelevant for now
998
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154 State state_;
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155 double minX_, maxX_, minY_, maxY_, minZ_, maxZ_;
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156 Type type_;
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157 };
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158 }
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159
1019
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160 #endif
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161 // BGO_ENABLE_DICOMSTRUCTURESETLOADER2
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162
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163