source: josm/trunk/src/org/openstreetmap/josm/data/validation/tests/OverlappingWays.java@ 8836

Last change on this file since 8836 was 8510, checked in by Don-vip, 9 years ago

checkstyle: enable relevant whitespace checks and fix them
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File size: 8.8 KB
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1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.data.validation.tests;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.util.ArrayList;
7import java.util.Arrays;
8import java.util.Collection;
9import java.util.Collections;
10import java.util.Comparator;
11import java.util.HashMap;
12import java.util.HashSet;
13import java.util.List;
14import java.util.Map;
15import java.util.Set;
16import java.util.TreeSet;
17
18import org.openstreetmap.josm.data.osm.Node;
19import org.openstreetmap.josm.data.osm.OsmPrimitive;
20import org.openstreetmap.josm.data.osm.OsmUtils;
21import org.openstreetmap.josm.data.osm.Relation;
22import org.openstreetmap.josm.data.osm.Way;
23import org.openstreetmap.josm.data.osm.WaySegment;
24import org.openstreetmap.josm.data.preferences.CollectionProperty;
25import org.openstreetmap.josm.data.validation.Severity;
26import org.openstreetmap.josm.data.validation.Test;
27import org.openstreetmap.josm.data.validation.TestError;
28import org.openstreetmap.josm.gui.progress.ProgressMonitor;
29import org.openstreetmap.josm.tools.MultiMap;
30import org.openstreetmap.josm.tools.Pair;
31import org.openstreetmap.josm.tools.Predicates;
32import org.openstreetmap.josm.tools.Utils;
33
34/**
35 * Tests if there are overlapping ways.
36 *
37 * @author frsantos
38 */
39public class OverlappingWays extends Test {
40
41 /** Bag of all way segments */
42 private MultiMap<Pair<Node, Node>, WaySegment> nodePairs;
43
44 protected static final int OVERLAPPING_HIGHWAY = 101;
45 protected static final int OVERLAPPING_RAILWAY = 102;
46 protected static final int OVERLAPPING_WAY = 103;
47 protected static final int OVERLAPPING_HIGHWAY_AREA = 111;
48 protected static final int OVERLAPPING_RAILWAY_AREA = 112;
49 protected static final int OVERLAPPING_WAY_AREA = 113;
50 protected static final int OVERLAPPING_AREA = 120;
51 protected static final int DUPLICATE_WAY_SEGMENT = 121;
52
53 protected static final CollectionProperty IGNORED_KEYS = new CollectionProperty(
54 "overlapping-ways.ignored-keys", Arrays.asList("barrier", "building", "historic:building", "man_made"));
55
56 /** Constructor */
57 public OverlappingWays() {
58 super(tr("Overlapping ways"),
59 tr("This test checks that a connection between two nodes "
60 + "is not used by more than one way."));
61 }
62
63 @Override
64 public void startTest(ProgressMonitor monitor) {
65 super.startTest(monitor);
66 nodePairs = new MultiMap<>(1000);
67 }
68
69 private boolean parentMultipolygonConcernsArea(OsmPrimitive p) {
70 for (Relation r : OsmPrimitive.getFilteredList(p.getReferrers(), Relation.class)) {
71 if (r.concernsArea()) {
72 return true;
73 }
74 }
75 return false;
76 }
77
78 @Override
79 public void endTest() {
80 Map<List<Way>, Set<WaySegment>> seenWays = new HashMap<>(500);
81
82 Collection<TestError> preliminaryErrors = new ArrayList<>();
83 for (Set<WaySegment> duplicated : nodePairs.values()) {
84 int ways = duplicated.size();
85
86 if (ways > 1) {
87 List<OsmPrimitive> prims = new ArrayList<>();
88 List<Way> currentWays = new ArrayList<>();
89 Collection<WaySegment> highlight;
90 int highway = 0;
91 int railway = 0;
92 int area = 0;
93
94 for (WaySegment ws : duplicated) {
95 if (ws.way.get("highway") != null) {
96 highway++;
97 } else if (ws.way.get("railway") != null) {
98 railway++;
99 }
100 Boolean ar = OsmUtils.getOsmBoolean(ws.way.get("area"));
101 if (ar != null && ar) {
102 area++;
103 }
104 if (ws.way.concernsArea() || parentMultipolygonConcernsArea(ws.way)) {
105 area++;
106 ways--;
107 }
108
109 prims.add(ws.way);
110 currentWays.add(ws.way);
111 }
112 /* These ways not seen before
113 * If two or more of the overlapping ways are
114 * highways or railways mark a separate error
115 */
116 if ((highlight = seenWays.get(currentWays)) == null) {
117 String errortype;
118 int type;
119
120 if (area > 0) {
121 if (ways == 0 || duplicated.size() == area) {
122 errortype = tr("Areas share segment");
123 type = OVERLAPPING_AREA;
124 } else if (highway == ways) {
125 errortype = tr("Highways share segment with area");
126 type = OVERLAPPING_HIGHWAY_AREA;
127 } else if (railway == ways) {
128 errortype = tr("Railways share segment with area");
129 type = OVERLAPPING_RAILWAY_AREA;
130 } else {
131 errortype = tr("Ways share segment with area");
132 type = OVERLAPPING_WAY_AREA;
133 }
134 } else if (highway == ways) {
135 errortype = tr("Overlapping highways");
136 type = OVERLAPPING_HIGHWAY;
137 } else if (railway == ways) {
138 errortype = tr("Overlapping railways");
139 type = OVERLAPPING_RAILWAY;
140 } else {
141 errortype = tr("Overlapping ways");
142 type = OVERLAPPING_WAY;
143 }
144
145 preliminaryErrors.add(new TestError(this,
146 type < OVERLAPPING_HIGHWAY_AREA ? Severity.WARNING : Severity.OTHER,
147 errortype, type, prims, duplicated));
148 seenWays.put(currentWays, duplicated);
149 } else { /* way seen, mark highlight layer only */
150 for (WaySegment ws : duplicated) {
151 highlight.add(ws);
152 }
153 }
154 }
155 }
156
157 // see ticket #9598 - only report if at least 3 segments are shared, except for overlapping ways, i.e warnings (see #9820)
158 for (TestError error : preliminaryErrors) {
159 if (error.getSeverity().equals(Severity.WARNING) || error.getHighlighted().size() / error.getPrimitives().size() >= 3) {
160 boolean ignore = false;
161 for (String ignoredKey : IGNORED_KEYS.get()) {
162 if (Utils.exists(error.getPrimitives(), Predicates.hasKey(ignoredKey))) {
163 ignore = true;
164 break;
165 }
166 }
167 if (!ignore) {
168 errors.add(error);
169 }
170 }
171 }
172
173 super.endTest();
174 nodePairs = null;
175 }
176
177 protected static Set<WaySegment> checkDuplicateWaySegment(Way w) {
178 // test for ticket #4959
179 Set<WaySegment> segments = new TreeSet<>(new Comparator<WaySegment>() {
180 @Override
181 public int compare(WaySegment o1, WaySegment o2) {
182 final List<Node> n1 = Arrays.asList(o1.getFirstNode(), o1.getSecondNode());
183 final List<Node> n2 = Arrays.asList(o2.getFirstNode(), o2.getSecondNode());
184 Collections.sort(n1);
185 Collections.sort(n2);
186 final int first = n1.get(0).compareTo(n2.get(0));
187 final int second = n1.get(1).compareTo(n2.get(1));
188 return first != 0 ? first : second;
189 }
190 });
191 final Set<WaySegment> duplicateWaySegments = new HashSet<>();
192
193 for (int i = 0; i < w.getNodesCount() - 1; i++) {
194 final WaySegment segment = new WaySegment(w, i);
195 final boolean wasInSet = !segments.add(segment);
196 if (wasInSet) {
197 duplicateWaySegments.add(segment);
198 }
199 }
200 if (duplicateWaySegments.size() > 1) {
201 return duplicateWaySegments;
202 } else {
203 return null;
204 }
205 }
206
207 @Override
208 public void visit(Way w) {
209
210 final Set<WaySegment> duplicateWaySegment = checkDuplicateWaySegment(w);
211 if (duplicateWaySegment != null) {
212 errors.add(new TestError(this, Severity.ERROR, tr("Way contains segment twice"),
213 DUPLICATE_WAY_SEGMENT, Collections.singleton(w), duplicateWaySegment));
214 return;
215 }
216
217 Node lastN = null;
218 int i = -2;
219 for (Node n : w.getNodes()) {
220 i++;
221 if (lastN == null) {
222 lastN = n;
223 continue;
224 }
225 nodePairs.put(Pair.sort(new Pair<>(lastN, n)),
226 new WaySegment(w, i));
227 lastN = n;
228 }
229 }
230}
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