Files
iD/modules/validations/crossing_ways.js

513 lines
21 KiB
JavaScript

import { actionAddMidpoint, actionMergeNodes } from '../actions';
import { geoExtent, geoLineIntersection, geoSphericalClosestNode } from '../geo';
import { osmNode } from '../osm';
import { t } from '../util/locale';
import { utilDisplayLabel } from '../util';
import { validationIssue, validationIssueFix } from '../core/validator';
export function validationCrossingWays() {
var type = 'crossing_ways';
/*
Avoid duplicate work by cacheing issues. The same issues live under two paths.
{
w-123: {
w-456: [{issue1}, {issue2}…]
},
w-456: {
w-123: [{issue1}, {issue2}…]
}
}
*/
var issueCache = {};
// returns the way or its parent relation, whichever has a useful feature type
function getFeatureWithFeatureTypeTagsForWay(way, graph) {
if (getFeatureTypeForTags(way.tags) === null) {
// if the way doesn't match a feature type, check its parent relations
var parentRels = graph.parentRelations(way);
for (var i = 0; i < parentRels.length; i++) {
var rel = parentRels[i];
if (getFeatureTypeForTags(rel.tags) !== null) {
return rel;
}
}
}
return way;
}
function hasTag(tags, key) {
return tags[key] !== undefined && tags[key] !== 'no';
}
function tagsImplyIndoors(tags) {
return hasTag(tags, 'level') || tags.highway === 'corridor';
}
function allowsStructures(featureType) {
return allowsBridge(featureType) || allowsTunnel(featureType);
}
function allowsBridge(featureType) {
return featureType === 'highway' || featureType === 'railway' || featureType === 'waterway';
}
function allowsTunnel(featureType) {
return featureType === 'highway' || featureType === 'railway' || featureType === 'waterway';
}
function canCover(featureType) {
return featureType === 'building';
}
function getFeatureTypeForCrossingCheck(way, graph) {
var tags = getFeatureWithFeatureTypeTagsForWay(way, graph).tags;
return getFeatureTypeForTags(tags);
}
// whitelists
var waterways = {
canal: true, ditch: true, drain: true, river: true, stream: true
};
var railways = {
rail: true, disused: true, tram: true, subway: true, narrow_gauge: true,
light_rail: true, preserved: true, miniature: true, monorail: true, funicular: true
};
var highways = {
residential: true, service: true, track: true, unclassified: true, footway: true,
path: true, tertiary: true, secondary: true, primary: true, living_street: true,
cycleway: true, trunk: true, steps: true, motorway: true, motorway_link: true,
pedestrian: true, trunk_link: true, primary_link: true, secondary_link: true,
road: true, tertiary_link: true, bridleway: true, raceway: true, corridor: true,
bus_guideway: true
};
// blacklist
var ignoredBuildings = {
demolished: true, dismantled: true, proposed: true, razed: true
};
function getFeatureTypeForTags(tags) {
if (hasTag(tags, 'building') && !ignoredBuildings[tags.building]) return 'building';
// don't check non-building areas
if (hasTag(tags, 'area')) return null;
if (hasTag(tags, 'highway') && highways[tags.highway]) return 'highway';
if (hasTag(tags, 'railway') && railways[tags.railway]) return 'railway';
if (hasTag(tags, 'waterway') && waterways[tags.waterway]) return 'waterway';
return null;
}
function isLegitCrossing(way1, featureType1, way2, featureType2) {
var tags1 = way1.tags;
var tags2 = way2.tags;
// assume 0 by default
var level1 = tags1.level || '0';
var level2 = tags2.level || '0';
if (tagsImplyIndoors(tags1) && tagsImplyIndoors(tags2) && level1 !== level2) {
// assume features don't interact if they're indoor on different levels
return true;
}
// assume 0 by default; don't use way.layer() since we account for structures here
var layer1 = tags1.layer || '0';
var layer2 = tags2.layer || '0';
if (allowsBridge(featureType1) && allowsBridge(featureType2)) {
if (hasTag(tags1, 'bridge') && !hasTag(tags2, 'bridge')) return true;
if (!hasTag(tags1, 'bridge') && hasTag(tags2, 'bridge')) return true;
// crossing bridges must use different layers
if (hasTag(tags1, 'bridge') && hasTag(tags2, 'bridge') && layer1 !== layer2) return true;
} else if (allowsBridge(featureType1) && hasTag(tags1, 'bridge')) return true;
else if (allowsBridge(featureType2) && hasTag(tags2, 'bridge')) return true;
if (allowsTunnel(featureType1) && allowsTunnel(featureType2)) {
if (hasTag(tags1, 'tunnel') && !hasTag(tags2, 'tunnel')) return true;
if (!hasTag(tags1, 'tunnel') && hasTag(tags2, 'tunnel')) return true;
// crossing tunnels must use different layers
if (hasTag(tags1, 'tunnel') && hasTag(tags2, 'tunnel') && layer1 !== layer2) return true;
} else if (allowsTunnel(featureType1) && hasTag(tags1, 'tunnel')) return true;
else if (allowsTunnel(featureType2) && hasTag(tags2, 'tunnel')) return true;
if (canCover(featureType1) && canCover(featureType2)) {
if (hasTag(tags1, 'covered') && !hasTag(tags2, 'covered')) return true;
if (!hasTag(tags1, 'covered') && hasTag(tags2, 'covered')) return true;
// crossing covered features that can themselves cover must use different layers
if (hasTag(tags1, 'covered') && hasTag(tags2, 'covered') && layer1 !== layer2) return true;
} else if (canCover(featureType1) && hasTag(tags2, 'covered')) return true;
else if (canCover(featureType2) && hasTag(tags1, 'covered')) return true;
if (!allowsStructures(featureType1) && !allowsStructures(featureType2)) {
// if no structures are applicable, the layers must be different
if (layer1 !== layer2) return true;
}
return false;
}
// highway values for which we shouldn't recommend connecting to waterways
var highwaysDisallowingFords = {
motorway: true, motorway_link: true, trunk: true, trunk_link: true,
primary: true, primary_link: true, secondary: true, secondary_link: true
};
var pathHighways = {
path: true, footway: true, cycleway: true, bridleway: true,
pedestrian: true, steps: true, corridor: true
};
var nonCrossingHighways = { track: true };
function tagsForConnectionNodeIfAllowed(entity1, entity2) {
var featureType1 = getFeatureTypeForTags(entity1.tags);
var featureType2 = getFeatureTypeForTags(entity2.tags);
if (featureType1 === featureType2) {
if (featureType1 === 'highway') {
var entity1IsPath = pathHighways[entity1.tags.highway];
var entity2IsPath = pathHighways[entity2.tags.highway];
if ((entity1IsPath || entity2IsPath) && entity1IsPath !== entity2IsPath) {
// one feature is a path but not both
var roadFeature = entity1IsPath ? entity2 : entity1;
if (nonCrossingHighways[roadFeature.tags.highway]) {
// don't mark path connections with certain roads as crossings
return {};
}
var pathFeature = entity1IsPath ? entity1 : entity2;
if (pathFeature.tags.highway === 'footway' &&
pathFeature.tags.footway === 'crossing' &&
['marked', 'unmarked'].indexOf(pathFeature.tags.crossing) !== -1) {
// if the path is a crossing, match the crossing type
return { highway: 'crossing', crossing: pathFeature.tags.crossing };
}
// default ambiguous crossings to unmarked
return { highway: 'crossing', crossing: 'unmarked' };
}
return {};
}
if (featureType1 === 'waterway') return {};
if (featureType1 === 'railway') return {};
} else {
var featureTypes = [featureType1, featureType2];
if (featureTypes.indexOf('highway') !== -1) {
if (featureTypes.indexOf('railway') !== -1) {
if (pathHighways[entity1.tags.highway] ||
pathHighways[entity2.tags.highway]) {
// path-rail connections use this tag
return { railway: 'crossing' };
} else {
// road-rail connections use this tag
return { railway: 'level_crossing' };
}
}
if (featureTypes.indexOf('waterway') !== -1) {
// do not allow fords on structures
if (hasTag(entity1.tags, 'tunnel') && hasTag(entity2.tags, 'tunnel')) return null;
if (hasTag(entity1.tags, 'bridge') && hasTag(entity2.tags, 'bridge')) return null;
if (highwaysDisallowingFords[entity1.tags.highway] ||
highwaysDisallowingFords[entity2.tags.highway]) {
// do not allow fords on major highways
return null;
}
return { ford: 'yes' };
}
}
}
return null;
}
function findCrossingsByWay(way1, graph, tree) {
var edgeCrossInfos = [];
if (way1.type !== 'way') return edgeCrossInfos;
var way1FeatureType = getFeatureTypeForCrossingCheck(way1, graph);
if (way1FeatureType === null) return edgeCrossInfos;
var checkedSingleCrossingWays = {};
// declare vars ahead of time to reduce garbage collection
var i, j, nodeIndex;
var extent;
var n1, n2, nA, nB;
var segment1, segment2;
var oneOnly;
var intersected, way2, way2FeatureType, way2Nodes;
var way1Nodes = graph.childNodes(way1);
var comparedWays = {};
for (i = 0; i < way1Nodes.length - 1; i++) {
n1 = way1Nodes[i];
n2 = way1Nodes[i + 1];
extent = geoExtent([
[
Math.min(n1.loc[0], n2.loc[0]),
Math.min(n1.loc[1], n2.loc[1])
],
[
Math.max(n1.loc[0], n2.loc[0]),
Math.max(n1.loc[1], n2.loc[1])
]
]);
intersected = tree.intersects(extent, graph);
for (j = 0; j < intersected.length; j++) {
way2 = intersected[j];
if (way2.type !== 'way') continue;
// don't check for self-intersection in this validation
if (way2.id === way1.id) continue;
// skip if this way was already checked and only one issue is needed
if (checkedSingleCrossingWays[way2.id]) continue;
// don't re-check previously checked features
if (issueCache[way1.id] && issueCache[way1.id][way2.id]) continue;
// mark this way as checked even if there are no crossings
comparedWays[way2.id] = true;
// only check crossing highway, waterway, building, and railway
way2FeatureType = getFeatureTypeForCrossingCheck(way2, graph);
if (way2FeatureType === null ||
isLegitCrossing(way1, way1FeatureType, way2, way2FeatureType)) {
continue;
}
// create only one issue for building crossings
oneOnly = way1FeatureType === 'building' || way2FeatureType === 'building';
segment1 = [n1.loc, n2.loc];
way2Nodes = graph.childNodes(way2);
for (nodeIndex = 0; nodeIndex < way2Nodes.length - 1; nodeIndex++) {
nA = way2Nodes[nodeIndex];
nB = way2Nodes[nodeIndex + 1];
if (nA.id === n1.id || nA.id === n2.id ||
nB.id === n1.id || nB.id === n2.id) {
// n1 or n2 is a connection node; skip
continue;
}
segment2 = [nA.loc, nB.loc];
var point = geoLineIntersection(segment1, segment2);
if (point) {
edgeCrossInfos.push({
ways: [way1, way2],
featureTypes: [way1FeatureType, way2FeatureType],
edges: [[n1.id, n2.id], [nA.id, nB.id]],
crossPoint: point
});
if (oneOnly) {
checkedSingleCrossingWays[way2.id] = true;
break;
}
}
}
}
}
for (var way2ID in comparedWays) {
if (!issueCache[way1.id]) issueCache[way1.id] = {};
if (!issueCache[way1.id][way2ID]) issueCache[way1.id][way2ID] = [];
if (!issueCache[way2ID]) issueCache[way2ID] = {};
if (!issueCache[way2ID][way1.id]) issueCache[way2ID][way1.id] = [];
}
return edgeCrossInfos;
}
function waysToCheck(entity, context) {
if (!getFeatureTypeForTags(entity.tags)) {
return [];
}
if (entity.type === 'way') {
return [entity];
} else if (entity.type === 'relation' &&
entity.isMultipolygon() &&
// only check multipolygons if they are buildings
hasTag(entity.tags, 'building')) {
return entity.members.reduce(function(array, member) {
if (member.type === 'way' &&
//(member.role === 'outer' || member.role === 'inner') &&
context.hasEntity(member.id)) {
var entity = context.entity(member.id);
array.push(entity);
}
return array;
}, []);
}
return [];
}
var validation = function(entity, context) {
var graph = context.graph();
var tree = context.history().tree();
var ways = waysToCheck(entity, context);
var issues = [];
// declare these here to reduce garbage collection
var wayIndex, crossingIndex, key, crossings, crossing, issue;
for (wayIndex in ways) {
var way = ways[wayIndex];
crossings = findCrossingsByWay(way, graph, tree);
for (crossingIndex in crossings) {
crossing = crossings[crossingIndex];
var way2 = crossing.ways[1];
issue = createIssue(crossing, context);
// cache the issues for each way
issueCache[way.id][way2.id].push(issue);
issueCache[way2.id][way.id].push(issue);
}
for (key in issueCache[way.id]) {
issues = issues.concat(issueCache[way.id][key]);
}
}
return issues;
};
function createIssue(crossing, context) {
var graph = context.graph();
// use the entities with the tags that define the feature type
var entities = crossing.ways.sort(function(entity1, entity2) {
var type1 = getFeatureTypeForCrossingCheck(entity1, graph);
var type2 = getFeatureTypeForCrossingCheck(entity2, graph);
if (type1 === type2) {
return utilDisplayLabel(entity1, context) > utilDisplayLabel(entity2, context);
} else if (type1 === 'waterway') {
return true;
} else if (type2 === 'waterway') {
return false;
}
return type1 < type2;
});
entities = entities.map(function(way) {
return getFeatureWithFeatureTypeTagsForWay(way, graph);
});
var connectionTags = tagsForConnectionNodeIfAllowed(entities[0], entities[1]);
var featureType1 = crossing.featureTypes[0];
var featureType2 = crossing.featureTypes[1];
var isCrossingIndoors = tagsImplyIndoors(entities[0].tags) && tagsImplyIndoors(entities[1].tags);
var isCrossingTunnels = allowsTunnel(featureType1) && hasTag(entities[0].tags, 'tunnel') &&
allowsTunnel(featureType2) && hasTag(entities[1].tags, 'tunnel');
var isCrossingBridges = allowsBridge(featureType1) && hasTag(entities[0].tags, 'bridge') &&
allowsBridge(featureType2) && hasTag(entities[1].tags, 'bridge');
var crossingTypeID;
if (isCrossingIndoors) {
crossingTypeID = 'indoor-indoor';
} else if (isCrossingTunnels) {
crossingTypeID = 'tunnel-tunnel';
} else if (isCrossingBridges) {
crossingTypeID = 'bridge-bridge';
} else {
crossingTypeID = crossing.featureTypes.sort().join('-');
}
if (connectionTags && (isCrossingIndoors || isCrossingTunnels || isCrossingBridges)) {
crossingTypeID += '_connectable';
}
var messageDict = {
feature: utilDisplayLabel(entities[0], context),
feature2: utilDisplayLabel(entities[1], context)
};
var fixes = [];
if (connectionTags) {
fixes.push(new validationIssueFix({
icon: 'iD-icon-crossing',
title: t('issues.fix.connect_features.title'),
onClick: function() {
var loc = this.issue.loc;
var connectionTags = this.issue.info.connectionTags;
var edges = this.issue.info.edges;
context.perform(
function actionConnectCrossingWays(graph) {
// create the new node for the points
var node = osmNode({ loc: loc, tags: connectionTags });
graph = graph.replace(node);
var nodesToMerge = [node.id];
var mergeThresholdInMeters = 0.75;
edges.forEach(function(edge) {
var edgeNodes = [graph.entity(edge[0]), graph.entity(edge[1])];
var closestNodeInfo = geoSphericalClosestNode(edgeNodes, loc);
// if there is already a point nearby, use that
if (closestNodeInfo.distance < mergeThresholdInMeters) {
nodesToMerge.push(closestNodeInfo.node.id);
// else add the new node to the way
} else {
graph = actionAddMidpoint({loc: loc, edge: edge}, node)(graph);
}
});
if (nodesToMerge.length > 1) {
// if we're using nearby nodes, merge them with the new node
graph = actionMergeNodes(nodesToMerge, loc)(graph);
}
return graph;
},
t('issues.fix.connect_crossing_features.annotation')
);
}
}));
}
var useFixIcon = 'iD-icon-layers';
var useFixID;
if (isCrossingIndoors) {
useFixID = 'use_different_levels';
} else if (isCrossingTunnels || isCrossingBridges) {
useFixID = 'use_different_layers';
// don't recommend bridges for waterways even though they're okay
} else if ((allowsBridge(featureType1) && featureType1 !== 'waterway') ||
(allowsBridge(featureType2) && featureType2 !== 'waterway')) {
useFixID = 'use_bridge_or_tunnel';
useFixIcon = 'maki-bridge';
} else if (allowsTunnel(featureType1) || allowsTunnel(featureType2)) {
useFixID = 'use_tunnel';
} else {
useFixID = 'use_different_layers';
}
fixes.push(new validationIssueFix({
icon: useFixIcon,
title: t('issues.fix.' + useFixID + '.title')
}));
fixes.push(new validationIssueFix({
icon: 'iD-operation-move',
title: t('issues.fix.reposition_features.title')
}));
return new validationIssue({
type: type,
severity: 'warning',
message: t('issues.crossing_ways.message', messageDict),
tooltip: t('issues.crossing_ways.'+crossingTypeID+'.tip'),
entities: entities,
info: { edges: crossing.edges, connectionTags: connectionTags },
loc: crossing.crossPoint,
fixes: fixes
});
}
validation.reset = function() {
issueCache = {};
};
validation.type = type;
return validation;
}