1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.validation.tests;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.geom.Point2D;
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7 | import java.util.ArrayList;
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8 | import java.util.Arrays;
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9 | import java.util.HashMap;
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10 | import java.util.List;
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11 | import java.util.Map;
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12 | import java.util.Objects;
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13 |
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14 | import org.openstreetmap.josm.data.coor.EastNorth;
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15 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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16 | import org.openstreetmap.josm.data.osm.OsmUtils;
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17 | import org.openstreetmap.josm.data.osm.Relation;
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18 | import org.openstreetmap.josm.data.osm.Way;
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19 | import org.openstreetmap.josm.data.osm.WaySegment;
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20 | import org.openstreetmap.josm.data.validation.OsmValidator;
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21 | import org.openstreetmap.josm.data.validation.Severity;
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22 | import org.openstreetmap.josm.data.validation.Test;
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23 | import org.openstreetmap.josm.data.validation.TestError;
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24 | import org.openstreetmap.josm.data.validation.util.ValUtil;
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25 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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26 | import org.openstreetmap.josm.tools.Logging;
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27 |
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28 | /**
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29 | * Tests if there are segments that crosses in the same layer
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30 | *
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31 | * @author frsantos
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32 | */
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33 | public abstract class CrossingWays extends Test {
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34 |
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35 | static final String HIGHWAY = "highway";
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36 | static final String RAILWAY = "railway";
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37 | static final String WATERWAY = "waterway";
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38 | static final String LANDUSE = "landuse";
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39 |
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40 | /**
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41 | * Type of way. Entries have to be declared in alphabetical order, see sort below.
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42 | */
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43 | private enum WayType {
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44 | BUILDING, HIGHWAY, RAILWAY, RESIDENTIAL_AREA, WATERWAY, WAY;
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45 |
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46 | static WayType of(Way w) {
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47 | if (isBuilding(w))
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48 | return BUILDING;
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49 | else if (w.hasKey(CrossingWays.HIGHWAY))
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50 | return HIGHWAY;
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51 | else if (isRailway(w))
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52 | return RAILWAY;
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53 | else if (isResidentialArea(w))
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54 | return RESIDENTIAL_AREA;
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55 | else if (w.hasKey(CrossingWays.WATERWAY))
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56 | return WATERWAY;
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57 | else
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58 | return WAY;
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59 | }
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60 | }
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61 |
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62 | /** All way segments, grouped by cells */
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63 | private final Map<Point2D, List<WaySegment>> cellSegments = new HashMap<>(1000);
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64 | /** The already detected ways in error */
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65 | private final Map<List<Way>, List<WaySegment>> seenWays = new HashMap<>(50);
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66 |
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67 | private final int code;
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68 |
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69 | /**
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70 | * General crossing ways test.
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71 | */
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72 | public static class Ways extends CrossingWays {
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73 |
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74 | protected static final int CROSSING_WAYS = 601;
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75 |
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76 | /**
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77 | * Constructs a new crossing {@code Ways} test.
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78 | */
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79 | public Ways() {
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80 | super(tr("Crossing ways"), CROSSING_WAYS);
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81 | }
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82 |
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83 | @Override
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84 | public boolean isPrimitiveUsable(OsmPrimitive w) {
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85 | return super.isPrimitiveUsable(w)
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86 | && !isProposedOrAbandoned(w)
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87 | && (isHighway(w)
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88 | || w.hasKey(WATERWAY)
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89 | || isRailway(w)
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90 | || isCoastline(w)
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91 | || isBuilding(w)
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92 | || isResidentialArea(w));
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93 | }
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94 |
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95 | @Override
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96 | boolean ignoreWaySegmentCombination(Way w1, Way w2) {
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97 | if (w1 == w2)
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98 | return false;
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99 | if (!Objects.equals(OsmUtils.getLayer(w1), OsmUtils.getLayer(w2))) {
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100 | return true;
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101 | }
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102 | if (w1.hasKey(HIGHWAY) && w2.hasKey(HIGHWAY) && !Objects.equals(w1.get("level"), w2.get("level"))) {
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103 | return true;
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104 | }
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105 | if ((w1.hasKey(HIGHWAY, RAILWAY, WATERWAY) && isResidentialArea(w2))
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106 | || (w2.hasKey(HIGHWAY, RAILWAY, WATERWAY) && isResidentialArea(w1)))
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107 | return true;
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108 | if (isSubwayOrTramOrRazed(w2)) {
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109 | return true;
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110 | }
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111 | if (isCoastline(w1) != isCoastline(w2)) {
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112 | return true;
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113 | }
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114 | if ((w1.hasTag(WATERWAY, "river", "stream", "canal", "drain", "ditch") && w2.hasTag(WATERWAY, "riverbank"))
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115 | || (w2.hasTag(WATERWAY, "river", "stream", "canal", "drain", "ditch") && w1.hasTag(WATERWAY, "riverbank"))) {
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116 | return true;
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117 | }
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118 | return isProposedOrAbandoned(w2);
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119 | }
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120 |
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121 | @Override
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122 | String createMessage(Way w1, Way w2) {
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123 | WayType[] types = {WayType.of(w1), WayType.of(w2)};
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124 | Arrays.sort(types);
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125 |
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126 | if (types[0] == types[1]) {
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127 | switch(types[0]) {
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128 | case BUILDING:
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129 | return tr("Crossing buildings");
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130 | case HIGHWAY:
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131 | return tr("Crossing highways");
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132 | case RAILWAY:
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133 | return tr("Crossing railways");
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134 | case RESIDENTIAL_AREA:
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135 | return tr("Crossing residential areas");
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136 | case WATERWAY:
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137 | return tr("Crossing waterways");
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138 | case WAY:
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139 | default:
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140 | return tr("Crossing ways");
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141 | }
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142 | } else {
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143 | switch (types[0]) {
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144 | case BUILDING:
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145 | switch (types[1]) {
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146 | case HIGHWAY:
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147 | return tr("Crossing building/highway");
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148 | case RAILWAY:
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149 | return tr("Crossing building/railway");
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150 | case RESIDENTIAL_AREA:
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151 | return tr("Crossing building/residential area");
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152 | case WATERWAY:
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153 | return tr("Crossing building/waterway");
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154 | case WAY:
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155 | default:
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156 | return tr("Crossing building/way");
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157 | }
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158 | case HIGHWAY:
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159 | switch (types[1]) {
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160 | case RAILWAY:
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161 | return tr("Crossing highway/railway");
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162 | case WATERWAY:
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163 | return tr("Crossing highway/waterway");
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164 | case WAY:
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165 | default:
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166 | return tr("Crossing highway/way");
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167 | }
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168 | case RAILWAY:
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169 | switch (types[1]) {
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170 | case WATERWAY:
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171 | return tr("Crossing railway/waterway");
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172 | case WAY:
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173 | default:
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174 | return tr("Crossing railway/way");
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175 | }
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176 | case RESIDENTIAL_AREA:
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177 | switch (types[1]) {
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178 | case WAY:
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179 | default:
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180 | return tr("Crossing residential area/way");
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181 | }
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182 | case WATERWAY:
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183 | default:
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184 | return tr("Crossing waterway/way");
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185 | }
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186 | }
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187 | }
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188 | }
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189 |
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190 | /**
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191 | * Crossing boundaries ways test.
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192 | */
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193 | public static class Boundaries extends CrossingWays {
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194 |
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195 | protected static final int CROSSING_BOUNDARIES = 602;
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196 |
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197 | /**
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198 | * Constructs a new crossing {@code Boundaries} test.
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199 | */
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200 | public Boundaries() {
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201 | super(tr("Crossing boundaries"), CROSSING_BOUNDARIES);
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202 | }
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203 |
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204 | @Override
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205 | public boolean isPrimitiveUsable(OsmPrimitive p) {
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206 | return super.isPrimitiveUsable(p) && p.hasKey("boundary")
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207 | && (!(p instanceof Relation) || (((Relation) p).isMultipolygon() && !((Relation) p).hasIncompleteMembers()));
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208 | }
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209 |
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210 | @Override
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211 | boolean ignoreWaySegmentCombination(Way w1, Way w2) {
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212 | return !Objects.equals(w1.get("boundary"), w2.get("boundary"));
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213 | }
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214 |
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215 | @Override
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216 | String createMessage(Way w1, Way w2) {
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217 | return tr("Crossing boundaries");
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218 | }
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219 |
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220 | @Override
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221 | public void visit(Relation r) {
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222 | for (Way w : r.getMemberPrimitives(Way.class)) {
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223 | visit(w);
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224 | }
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225 | }
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226 | }
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227 |
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228 | /**
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229 | * Crossing barriers ways test.
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230 | */
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231 | public static class Barrier extends CrossingWays {
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232 |
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233 | protected static final int CROSSING_BARRIERS = 603;
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234 |
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235 | /**
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236 | * Constructs a new crossing {@code Barrier} test.
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237 | */
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238 | public Barrier() {
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239 | super(tr("Crossing barriers"), CROSSING_BARRIERS);
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240 | }
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241 |
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242 | @Override
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243 | public boolean isPrimitiveUsable(OsmPrimitive p) {
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244 | return super.isPrimitiveUsable(p) && p.hasKey("barrier");
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245 | }
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246 |
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247 | @Override
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248 | boolean ignoreWaySegmentCombination(Way w1, Way w2) {
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249 | return !Objects.equals(OsmUtils.getLayer(w1), OsmUtils.getLayer(w2));
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250 | }
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251 |
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252 | @Override
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253 | String createMessage(Way w1, Way w2) {
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254 | return tr("Crossing barriers");
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255 | }
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256 | }
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257 |
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258 | /**
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259 | * Self crossing ways test (for all the rest)
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260 | */
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261 | public static class SelfCrossing extends CrossingWays {
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262 |
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263 | protected static final int CROSSING_SELF = 604;
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264 |
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265 | CrossingWays.Ways normalTest = new Ways();
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266 | CrossingWays.Barrier barrierTest = new Barrier();
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267 | CrossingWays.Boundaries boundariesTest = new Boundaries();
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268 |
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269 | /**
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270 | * Constructs a new SelfIntersection test.
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271 | */
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272 | public SelfCrossing() {
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273 | super(tr("Self crossing"), CROSSING_SELF);
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274 | }
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275 |
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276 | @Override
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277 | public boolean isPrimitiveUsable(OsmPrimitive p) {
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278 | return super.isPrimitiveUsable(p) && !(normalTest.isPrimitiveUsable(p) || barrierTest.isPrimitiveUsable(p)
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279 | || boundariesTest.isPrimitiveUsable(p));
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280 | }
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281 |
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282 | @Override
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283 | boolean ignoreWaySegmentCombination(Way w1, Way w2) {
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284 | return w1 != w2; // should not happen
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285 | }
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286 |
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287 | @Override
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288 | String createMessage(Way w1, Way w2) {
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289 | return tr("Self-crossing ways");
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290 | }
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291 | }
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292 |
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293 | /**
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294 | * Constructs a new {@code CrossingWays} test.
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295 | * @param title The test title
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296 | * @param code The test code
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297 | * @since 12958
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298 | */
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299 | public CrossingWays(String title, int code) {
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300 | super(title, tr("This test checks if two roads, railways, waterways or buildings crosses in the same layer, " +
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301 | "but are not connected by a node."));
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302 | this.code = code;
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303 | }
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304 |
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305 | @Override
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306 | public void startTest(ProgressMonitor monitor) {
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307 | super.startTest(monitor);
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308 | cellSegments.clear();
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309 | seenWays.clear();
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310 | }
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311 |
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312 | @Override
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313 | public void endTest() {
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314 | super.endTest();
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315 | cellSegments.clear();
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316 | seenWays.clear();
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317 | }
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318 |
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319 | static boolean isCoastline(OsmPrimitive w) {
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320 | return w.hasTag("natural", "water", "coastline") || w.hasTag(LANDUSE, "reservoir");
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321 | }
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322 |
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323 | static boolean isHighway(OsmPrimitive w) {
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324 | return w.hasTagDifferent(HIGHWAY, "rest_area", "services");
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325 | }
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326 |
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327 | static boolean isRailway(OsmPrimitive w) {
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328 | return w.hasKey(RAILWAY) && !isSubwayOrTramOrRazed(w);
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329 | }
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330 |
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331 | static boolean isSubwayOrTramOrRazed(OsmPrimitive w) {
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332 | return w.hasTag(RAILWAY, "subway", "tram", "razed");
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333 | }
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334 |
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335 | static boolean isProposedOrAbandoned(OsmPrimitive w) {
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336 | return w.hasTag(HIGHWAY, "proposed") || w.hasTag(RAILWAY, "proposed", "abandoned");
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337 | }
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338 |
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339 | abstract boolean ignoreWaySegmentCombination(Way w1, Way w2);
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340 |
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341 | abstract String createMessage(Way w1, Way w2);
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342 |
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343 | @Override
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344 | public void visit(Way w) {
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345 | if (this instanceof SelfCrossing) {
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346 | // free memory, we are not interested in previous ways
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347 | cellSegments.clear();
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348 | seenWays.clear();
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349 | }
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350 |
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351 | int nodesSize = w.getNodesCount();
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352 | for (int i = 0; i < nodesSize - 1; i++) {
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353 | final WaySegment es1 = new WaySegment(w, i);
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354 | final EastNorth en1 = es1.getFirstNode().getEastNorth();
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355 | final EastNorth en2 = es1.getSecondNode().getEastNorth();
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356 | if (en1 == null || en2 == null) {
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357 | Logging.warn("Crossing ways test skipped "+es1);
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358 | continue;
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359 | }
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360 | for (List<WaySegment> segments : getSegments(cellSegments, en1, en2)) {
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361 | for (WaySegment es2 : segments) {
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362 | List<Way> prims;
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363 | List<WaySegment> highlight;
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364 |
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365 | if (!es1.intersects(es2) || ignoreWaySegmentCombination(es1.way, es2.way)) {
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366 | continue;
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367 | }
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368 |
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369 | prims = new ArrayList<>();
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370 | prims.add(es1.way);
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371 | if (es1.way != es2.way)
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372 | prims.add(es2.way);
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373 | if ((highlight = seenWays.get(prims)) == null) {
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374 | highlight = new ArrayList<>();
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375 | highlight.add(es1);
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376 | highlight.add(es2);
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377 |
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378 | final String message = createMessage(es1.way, es2.way);
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379 | errors.add(TestError.builder(this, Severity.WARNING, code)
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380 | .message(message)
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381 | .primitives(prims)
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382 | .highlightWaySegments(highlight)
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383 | .build());
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384 | seenWays.put(prims, highlight);
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385 | } else {
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386 | highlight.add(es1);
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387 | highlight.add(es2);
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388 | }
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389 | }
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390 | segments.add(es1);
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391 | }
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392 | }
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393 | }
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394 |
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395 | /**
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396 | * Returns all the cells this segment crosses. Each cell contains the list
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397 | * of segments already processed
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398 | * @param cellSegments map with already collected way segments
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399 | * @param n1 The first EastNorth
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400 | * @param n2 The second EastNorth
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401 | * @return A list with all the cells the segment crosses
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402 | */
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403 | public static List<List<WaySegment>> getSegments(Map<Point2D, List<WaySegment>> cellSegments, EastNorth n1, EastNorth n2) {
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404 | List<List<WaySegment>> cells = new ArrayList<>();
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405 | for (Point2D cell : ValUtil.getSegmentCells(n1, n2, OsmValidator.getGridDetail())) {
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406 | cells.add(cellSegments.computeIfAbsent(cell, k -> new ArrayList<>()));
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407 | }
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408 | return cells;
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409 | }
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410 | }
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