annotate OrthancStone/Sources/Toolbox/DicomStructureSetUtils.cpp @ 1582:cdd1932c530c

fix cppcheck
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 16 Oct 2020 17:34:53 +0200
parents 244ad1e4e76a
children 8563ea5d8ae4
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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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20
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21 #include "DicomStructureSetUtils.h"
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22
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23 namespace OrthancStone
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24 {
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25
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26 #if 0
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27 void DicomStructure2::PartitionRectangleList(std::vector< std::vector<size_t> > & sets, const std::vector<RtStructRectanglesInSlab> slabCuts)
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28 {
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29 // map position ( <slabIndex,rectIndex> )--> disjoint set index
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30 std::map<std::pair<size_t, size_t>, size_t> posToIndex;
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31
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32 // disjoint set index --> position
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33 std::map<size_t, std::pair<size_t, size_t> > indexToPos;
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34
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35 size_t nextIndex = 0;
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36 for (size_t i = 0; i < slabCuts.size(); ++i)
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37 {
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38 for (size_t j = 0; j < slabCuts[i].size(); ++j)
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39 {
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40 std::pair<size_t, size_t> pos(i, j);
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41 posToIndex<pos> = nextIndex;
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42 indexToPos<nextIndex> = pos;
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43 }
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44 }
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45 // nextIndex is now the total rectangle count
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46 DisjointDataSet ds(nextIndex);
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47
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48 // we loop on all slabs (except the last one) and we connect all rectangles
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49 if (slabCuts.size() < 2)
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50 {
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51 #error write special case
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52 }
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53 else
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54 {
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55 for (size_t i = 0; i < slabCuts.size() - 1; ++i)
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56 {
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57 for (size_t j = 0; j < slabCuts[i].size(); ++j)
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58 {
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59 const RtStructRectangleInSlab& r1 = slabCuts[i][j];
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60 const size_t r1i = posToIndex(std::pair<size_t, size_t>(i, j));
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61 for (size_t k = 0; k < slabCuts[i + 1].size(); ++k)
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62 {
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63 const RtStructRectangleInSlab& r2 = slabCuts[i + 1][k];
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64 const size_t r2i = posToIndex(std::pair<size_t, size_t>(i, j));
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65 // rect.xmin <= rectBottom.xmax && rectBottom.xmin <= rect.xmax
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66 if ((r1.xmin <= r2.xmax) && (r2.xmin <= r1.xmax))
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67 {
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68 #error now go!
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69 }
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70
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71 }
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72 }
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73 }
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74 }
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75 #endif
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76
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77 /*
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78
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79 compute list of segments :
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80
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81 numberOfRectsFromHereOn = 0
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82 possibleNext = {in_k,in_kplus1}
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83
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84 for all boundaries:
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85 - we create a vertical segment and we push it
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86 - if boundary is a start, numberOfRectsFromHereOn += 1.
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87 - if we switch from 0 to 1, we start a segment
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88 - if we switch from 1 to 2, we end the current segment and we record it
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89 - if boundary is an end, numberOfRectsFromHereOn -= 1.
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90 - if we switch from 1 to 0, we end the current segment and we record it
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91 - if we switch from 2 to 1, we start a segment
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92 */
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93
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94 // static
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95 void AddSlabBoundaries(
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96 std::vector<std::pair<double, RectangleBoundaryKind> > & boundaries,
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97 const std::vector<RtStructRectanglesInSlab> & slabCuts, size_t iSlab)
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98 {
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99 if (iSlab < slabCuts.size())
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100 {
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101 const RtStructRectanglesInSlab& slab = slabCuts[iSlab];
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102 for (size_t iRect = 0; iRect < slab.size(); ++iRect)
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103 {
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104 const RtStructRectangleInSlab& rect = slab[iRect];
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105 {
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106 std::pair<double, RectangleBoundaryKind> boundary(rect.xmin, RectangleBoundaryKind_Start);
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107 boundaries.insert(std::lower_bound(boundaries.begin(), boundaries.end(), boundary), boundary);
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108 }
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109 {
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110 std::pair<double, RectangleBoundaryKind> boundary(rect.xmax, RectangleBoundaryKind_End);
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111 boundaries.insert(std::lower_bound(boundaries.begin(), boundaries.end(), boundary), boundary);
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112 }
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113 }
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114 }
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115 }
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116
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117 // static
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118 void ProcessBoundaryList(
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119 std::vector< std::pair<Point2D, Point2D> > & segments,
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120 const std::vector<std::pair<double, RectangleBoundaryKind> > & boundaries,
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121 double y)
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122 {
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123 Point2D start;
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124 Point2D end;
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125 int curNumberOfSegments = 0; // we count the number of segments. we only draw if it is 1 (not 0 or 2)
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126 for (size_t i = 0; i < boundaries.size(); ++i)
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
127 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
128 switch (boundaries[i].second)
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
129 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
130 case RectangleBoundaryKind_Start:
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
131 curNumberOfSegments += 1;
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
132 switch (curNumberOfSegments)
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
133 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
134 case 0:
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
135 assert(false);
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
136 break;
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
137 case 1:
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
138 // a new segment has begun!
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
139 start.x = boundaries[i].first;
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
140 start.y = y;
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
141 break;
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
142 case 2:
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parents:
diff changeset
143 // an extra segment has begun : stop the current one (we don't draw overlaps)
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144 end.x = boundaries[i].first;
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diff changeset
145 end.y = y;
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diff changeset
146 segments.push_back(std::pair<Point2D, Point2D>(start, end));
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147 break;
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diff changeset
148 default:
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diff changeset
149 //assert(false); // seen IRL !
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150 break;
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
151 }
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
152 break;
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
153 case RectangleBoundaryKind_End:
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154 curNumberOfSegments -= 1;
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
155 switch (curNumberOfSegments)
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
156 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
157 case 0:
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158 // a lone (thus active) segment has ended.
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diff changeset
159 end.x = boundaries[i].first;
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diff changeset
160 end.y = y;
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diff changeset
161 segments.push_back(std::pair<Point2D, Point2D>(start, end));
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parents:
diff changeset
162 break;
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
163 case 1:
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diff changeset
164 // an extra segment has ended : start a new one one
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165 start.x = boundaries[i].first;
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166 start.y = y;
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
167 break;
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diff changeset
168 default:
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
169 // this should not happen!
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
170 //assert(false);
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
171 break;
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
172 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
173 break;
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
174 default:
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
175 assert(false);
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
176 break;
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
177 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
178 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
179 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
180
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
181 #if 0
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
182 void ConvertListOfSlabsToSegments(
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diff changeset
183 std::vector< std::pair<Point2D, Point2D> >& segments,
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diff changeset
184 const std::vector<RtStructRectanglesInSlab>& slabCuts,
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
185 const size_t totalRectCount)
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parents:
diff changeset
186 {
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
187 #error to delete
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
188 }
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
189 #else
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
190 // See https://www.dropbox.com/s/bllco6q8aazxk44/2019-09-18-rtstruct-cut-algorithm-rect-merge.png
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
191 void ConvertListOfSlabsToSegments(
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diff changeset
192 std::vector< std::pair<Point2D, Point2D> > & segments,
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parents:
diff changeset
193 const std::vector<RtStructRectanglesInSlab> & slabCuts,
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parents:
diff changeset
194 const size_t totalRectCount)
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
195 {
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parents:
diff changeset
196 if (slabCuts.size() == 0)
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
197 return;
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
198
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
199 if (totalRectCount > 0)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
200 segments.reserve(4 * totalRectCount); // worst case, but common.
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
201
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
202 /*
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
203 VERTICAL
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
204 */
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
205 for (size_t iSlab = 0; iSlab < slabCuts.size(); ++iSlab)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
206 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
207 for (size_t iRect = 0; iRect < slabCuts[iSlab].size(); ++iRect)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
208 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
209 const RtStructRectangleInSlab& rect = slabCuts[iSlab][iRect];
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
210 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
211 Point2D p1(rect.xmin, rect.ymin);
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
212 Point2D p2(rect.xmin, rect.ymax);
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
213 segments.push_back(std::pair<Point2D, Point2D>(p1, p2));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
214 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
215 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
216 Point2D p1(rect.xmax, rect.ymin);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
217 Point2D p2(rect.xmax, rect.ymax);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
218 segments.push_back(std::pair<Point2D, Point2D>(p1, p2));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
219 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
220 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
221 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
222
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
223 /*
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
224 HORIZONTAL
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
225 */
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
226
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
227 // if we have N slabs, we have N+1 potential vertical positions for horizontal segments
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
228 // - one for top of slab 0
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
229 // - N-1 for all positions between two slabs
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
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parents:
diff changeset
230 // - one for bottom of slab N-1
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
231
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
232 // this adds all the horizontal segments for the tops of 3the rectangles
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
233 // in row 0
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
234 if (slabCuts[0].size() > 0)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
235 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
236 std::vector<std::pair<double, RectangleBoundaryKind> > boundaries;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
237 AddSlabBoundaries(boundaries, slabCuts, 0);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
238
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
239 ProcessBoundaryList(segments, boundaries, slabCuts[0][0].ymin);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
240 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
241
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
242 // this adds all the horizontal segments belonging to two slabs
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
243 for (size_t iSlab = 0; iSlab < slabCuts.size() - 1; ++iSlab)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
244 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
245 std::vector<std::pair<double, RectangleBoundaryKind> > boundaries;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
246 AddSlabBoundaries(boundaries, slabCuts, iSlab);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
247 AddSlabBoundaries(boundaries, slabCuts, iSlab + 1);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
248 double curY = 0;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
249 if (slabCuts[iSlab].size() > 0)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
250 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
251 curY = slabCuts[iSlab][0].ymax;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
252 ProcessBoundaryList(segments, boundaries, curY);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
253 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
254 else if (slabCuts[iSlab + 1].size() > 0)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
255 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
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256 curY = slabCuts[iSlab + 1][0].ymin;
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257 ProcessBoundaryList(segments, boundaries, curY);
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258 }
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259 else
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260 {
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261 // nothing to do!! : both slab lists are empty!
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262 }
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263 }
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264
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265 // this adds all the horizontal segments for the BOTTOM of the rectangles
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266 // on last row
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267 if (slabCuts[slabCuts.size() - 1].size() > 0)
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268 {
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269 std::vector<std::pair<double, RectangleBoundaryKind> > boundaries;
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270 AddSlabBoundaries(boundaries, slabCuts, slabCuts.size() - 1);
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271
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272 ProcessBoundaryList(segments, boundaries, slabCuts[slabCuts.size() - 1][0].ymax);
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273 }
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274 }
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275 #endif
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276 }