annotate OrthancStone/Sources/Toolbox/DicomStructureSetUtils.cpp @ 1652:fa9e6bf84958

integrating pdf.js into Stone Web viewer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 16 Nov 2020 20:47:53 +0100
parents 8563ea5d8ae4
children 9ac2a65d4172
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
998
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
1 /**
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
2 * Stone of Orthanc
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
4 * Department, University Hospital of Liege, Belgium
1270
2d8ab34c8c91 upgrade to year 2020
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 998
diff changeset
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
998
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
6 *
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
7 * This program is free software: you can redistribute it and/or
1598
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1512
diff changeset
8 * modify it under the terms of the GNU Lesser General Public License
998
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
9 * as published by the Free Software Foundation, either version 3 of
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
10 * the License, or (at your option) any later version.
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
11 *
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
12 * This program is distributed in the hope that it will be useful, but
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
1598
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1512
diff changeset
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1512
diff changeset
15 * Lesser General Public License for more details.
998
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
16 *
1598
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1512
diff changeset
17 * You should have received a copy of the GNU Lesser General Public
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1512
diff changeset
18 * License along with this program. If not, see
8563ea5d8ae4 relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1512
diff changeset
19 * <http://www.gnu.org/licenses/>.
998
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
20 **/
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
21
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
22 #include "DicomStructureSetUtils.h"
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
23
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
24 namespace OrthancStone
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
25 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
26
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
27 #if 0
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
28 void DicomStructure2::PartitionRectangleList(std::vector< std::vector<size_t> > & sets, const std::vector<RtStructRectanglesInSlab> slabCuts)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
29 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
30 // map position ( <slabIndex,rectIndex> )--> disjoint set index
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
31 std::map<std::pair<size_t, size_t>, size_t> posToIndex;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
32
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
33 // disjoint set index --> position
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
34 std::map<size_t, std::pair<size_t, size_t> > indexToPos;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
35
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
36 size_t nextIndex = 0;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
37 for (size_t i = 0; i < slabCuts.size(); ++i)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
38 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
39 for (size_t j = 0; j < slabCuts[i].size(); ++j)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
40 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
41 std::pair<size_t, size_t> pos(i, j);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
42 posToIndex<pos> = nextIndex;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
43 indexToPos<nextIndex> = pos;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
44 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
45 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
46 // nextIndex is now the total rectangle count
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
47 DisjointDataSet ds(nextIndex);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
48
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
49 // we loop on all slabs (except the last one) and we connect all rectangles
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
50 if (slabCuts.size() < 2)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
51 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
52 #error write special case
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
53 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
54 else
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
55 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
56 for (size_t i = 0; i < slabCuts.size() - 1; ++i)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
57 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
58 for (size_t j = 0; j < slabCuts[i].size(); ++j)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
59 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
60 const RtStructRectangleInSlab& r1 = slabCuts[i][j];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
61 const size_t r1i = posToIndex(std::pair<size_t, size_t>(i, j));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
62 for (size_t k = 0; k < slabCuts[i + 1].size(); ++k)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
63 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
64 const RtStructRectangleInSlab& r2 = slabCuts[i + 1][k];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
65 const size_t r2i = posToIndex(std::pair<size_t, size_t>(i, j));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
66 // rect.xmin <= rectBottom.xmax && rectBottom.xmin <= rect.xmax
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
67 if ((r1.xmin <= r2.xmax) && (r2.xmin <= r1.xmax))
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
68 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
69 #error now go!
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
70 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
71
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
72 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
73 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
74 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
75 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
76 #endif
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
77
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
78 /*
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
79
1463
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
80 compute list of segments :
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
81
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
82 numberOfRectsFromHereOn = 0
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
83 possibleNext = {in_k,in_kplus1}
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
84
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
85 for all boundaries:
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
86 - we create a vertical segment and we push it
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
87 - if boundary is a start, numberOfRectsFromHereOn += 1.
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
88 - if we switch from 0 to 1, we start a segment
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
89 - if we switch from 1 to 2, we end the current segment and we record it
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
90 - if boundary is an end, numberOfRectsFromHereOn -= 1.
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
91 - if we switch from 1 to 0, we end the current segment and we record it
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
92 - if we switch from 2 to 1, we start a segment
998
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
93 */
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
94
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
95 // static
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
96 void AddSlabBoundaries(
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
97 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
98 const std::vector<RtStructRectanglesInSlab> & slabCuts, size_t iSlab)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
99 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
100 if (iSlab < slabCuts.size())
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
101 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
102 const RtStructRectanglesInSlab& slab = slabCuts[iSlab];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
103 for (size_t iRect = 0; iRect < slab.size(); ++iRect)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
104 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
105 const RtStructRectangleInSlab& rect = slab[iRect];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
106 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
107 std::pair<double, RectangleBoundaryKind> boundary(rect.xmin, RectangleBoundaryKind_Start);
1463
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
108 boundaries.insert(std::lower_bound(boundaries.begin(), boundaries.end(), boundary), boundary);
998
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
109 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
110 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
111 std::pair<double, RectangleBoundaryKind> boundary(rect.xmax, RectangleBoundaryKind_End);
1463
182bf3106ee2 dos2unix
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1270
diff changeset
112 boundaries.insert(std::lower_bound(boundaries.begin(), boundaries.end(), boundary), boundary);
998
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
113 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
114 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
115 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
116 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
117
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
118 // static
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
119 void ProcessBoundaryList(
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
120 std::vector< std::pair<Point2D, Point2D> > & segments,
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
121 const 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
122 double y)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
123 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
124 Point2D start;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
125 Point2D end;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
126 int curNumberOfSegments = 0; // we count the number of segments. we only draw if it is 1 (not 0 or 2)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
127 for (size_t i = 0; i < boundaries.size(); ++i)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
128 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
129 switch (boundaries[i].second)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
130 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
131 case RectangleBoundaryKind_Start:
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
132 curNumberOfSegments += 1;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
133 switch (curNumberOfSegments)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
134 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
135 case 0:
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
136 assert(false);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
137 break;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
138 case 1:
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
139 // a new segment has begun!
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
140 start.x = boundaries[i].first;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
141 start.y = y;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
142 break;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
143 case 2:
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
144 // an extra segment has begun : stop the current one (we don't draw overlaps)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
145 end.x = boundaries[i].first;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
146 end.y = y;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
147 segments.push_back(std::pair<Point2D, Point2D>(start, end));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
148 break;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
149 default:
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
150 //assert(false); // seen IRL !
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
151 break;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
152 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
153 break;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
154 case RectangleBoundaryKind_End:
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
155 curNumberOfSegments -= 1;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
156 switch (curNumberOfSegments)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
157 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
158 case 0:
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
159 // a lone (thus active) segment has ended.
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
160 end.x = boundaries[i].first;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
161 end.y = y;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
162 segments.push_back(std::pair<Point2D, Point2D>(start, end));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
163 break;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
164 case 1:
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
165 // an extra segment has ended : start a new one one
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
166 start.x = boundaries[i].first;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
167 start.y = y;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
168 break;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
169 default:
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
170 // this should not happen!
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
171 //assert(false);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
172 break;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
173 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
174 break;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
175 default:
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
176 assert(false);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
177 break;
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 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
181
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
182 #if 0
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
183 void ConvertListOfSlabsToSegments(
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
184 std::vector< std::pair<Point2D, Point2D> >& segments,
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
185 const std::vector<RtStructRectanglesInSlab>& slabCuts,
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
186 const size_t totalRectCount)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
187 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
188 #error to delete
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
189 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
190 #else
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
191 // See https://www.dropbox.com/s/bllco6q8aazxk44/2019-09-18-rtstruct-cut-algorithm-rect-merge.png
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
192 void ConvertListOfSlabsToSegments(
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
193 std::vector< std::pair<Point2D, Point2D> > & segments,
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
194 const std::vector<RtStructRectanglesInSlab> & slabCuts,
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
195 const size_t totalRectCount)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
196 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
197 if (slabCuts.size() == 0)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
198 return;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
199
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
200 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
201 segments.reserve(4 * totalRectCount); // worst case, but common.
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 /*
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
204 VERTICAL
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
205 */
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
206 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
207 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
208 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
209 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
210 const RtStructRectangleInSlab& rect = slabCuts[iSlab][iRect];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
211 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
212 Point2D p1(rect.xmin, rect.ymin);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
213 Point2D p2(rect.xmin, rect.ymax);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
214 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
215 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
216 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
217 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
218 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
219 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
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 /*
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
225 HORIZONTAL
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
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
228 // 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
229 // - one for top of slab 0
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
230 // - N-1 for all positions between two slabs
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
231 // - 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
232
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
233 // 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
234 // 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
235 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
236 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
237 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
238 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
239
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
240 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
241 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
242
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
243 // 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
244 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
245 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
246 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
247 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
248 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
249 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
250 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
251 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
252 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
253 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
254 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
255 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
256 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
257 curY = slabCuts[iSlab + 1][0].ymin;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
258 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
259 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
260 else
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
261 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
262 // nothing to do!! : both slab lists are empty!
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
263 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
264 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
265
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
266 // this adds all the horizontal segments for the BOTTOM of the rectangles
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
267 // on last row
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
268 if (slabCuts[slabCuts.size() - 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
269 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
270 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
271 AddSlabBoundaries(boundaries, slabCuts, slabCuts.size() - 1);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
272
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
273 ProcessBoundaryList(segments, boundaries, slabCuts[slabCuts.size() - 1][0].ymax);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
274 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
275 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
276 #endif
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
277 }