-L.OSM = L.FeatureGroup.extend({
+L.OSM = {};
+
+L.OSM.TileLayer = L.TileLayer.extend({
+ options: {
+ url: 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
+ attribution: '© <a target="_parent" href="http://www.openstreetmap.org">OpenStreetMap</a> and contributors, under an <a target="_parent" href="http://www.openstreetmap.org/copyright">open license</a>'
+ },
+
+ initialize: function (options) {
+ options = L.Util.setOptions(this, options);
+ L.TileLayer.prototype.initialize.call(this, options.url);
+ }
+});
+
+L.OSM.Mapnik = L.OSM.TileLayer.extend({
+ options: {
+ url: 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
+ maxZoom: 19
+ }
+});
+
+L.OSM.CycleMap = L.OSM.TileLayer.extend({
+ options: {
+ url: 'http://{s}.tile.opencyclemap.org/cycle/{z}/{x}/{y}.png'
+ }
+});
+
+L.OSM.TransportMap = L.OSM.TileLayer.extend({
+ options: {
+ url: 'http://{s}.tile2.opencyclemap.org/transport/{z}/{x}/{y}.png'
+ }
+});
+
+L.OSM.MapQuestOpen = L.OSM.TileLayer.extend({
+ options: {
+ url: 'http://otile{s}.mqcdn.com/tiles/1.0.0/osm/{z}/{x}/{y}.png',
+ subdomains: '1234',
+ attribution: "Tiles courtesy of <a href='http://www.mapquest.com/' target='_blank'>MapQuest</a> <img src='http://developer.mapquest.com/content/osm/mq_logo.png'>"
+ }
+});
+
+L.OSM.HOT = L.OSM.TileLayer.extend({
+ options: {
+ url: 'http://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png',
+ maxZoom: 20,
+ subdomains: 'abc',
+ attribution: "Tiles courtesy of <a href='http://hot.openstreetmap.org/' target='_blank'>Humanitarian OpenStreetMap Team</a>"
+ }
+});
+
+L.OSM.DataLayer = L.FeatureGroup.extend({
options: {
areaTags: ['area', 'building', 'leisure', 'tourism', 'ruins', 'historic', 'landuse', 'military', 'natural', 'sport'],
uninterestingTags: ['source', 'source_ref', 'source:ref', 'history', 'attribution', 'created_by', 'tiger:county', 'tiger:tlid', 'tiger:upload_uuid'],
}
},
- addData: function (xml) {
- var nodes = L.OSM.getNodes(xml),
- ways = L.OSM.getWays(xml);
+ addData: function (features) {
+ if (!(features instanceof Array)) {
+ features = this.buildFeatures(features);
+ }
- for (var i = 0; i < ways.length; i++) {
- var way = ways[i],
- latLngs = new Array(way.nodes.length);
+ for (var i = 0; i < features.length; i++) {
+ var feature = features[i], layer;
- for (var j = 0; j < way.nodes.length; j++) {
- latLngs[j] = nodes[way.nodes[j]].latLng;
- }
+ if (feature.type === "changeset") {
+ layer = L.rectangle(feature.latLngBounds, this.options.styles.changeset);
+ } else if (feature.type === "node") {
+ layer = L.circleMarker(feature.latLng, this.options.styles.node);
+ } else {
+ var latLngs = new Array(feature.nodes.length);
- var layer;
+ for (var j = 0; j < feature.nodes.length; j++) {
+ latLngs[j] = feature.nodes[j].latLng;
+ }
- if (this.isWayArea(way)) {
- latLngs.pop(); // Remove last == first.
- layer = L.polygon(latLngs, this.options.styles.area);
- } else {
- layer = L.polyline(latLngs, this.options.styles.way);
+ if (this.isWayArea(feature)) {
+ latLngs.pop(); // Remove last == first.
+ layer = L.polygon(latLngs, this.options.styles.area);
+ } else {
+ layer = L.polyline(latLngs, this.options.styles.way);
+ }
}
layer.addTo(this);
- layer.feature = way;
+ layer.feature = feature;
}
+ },
+
+ buildFeatures: function (xml) {
+ var features = L.OSM.getChangesets(xml),
+ nodes = L.OSM.getNodes(xml),
+ ways = L.OSM.getWays(xml, nodes),
+ relations = L.OSM.getRelations(xml, nodes, ways);
for (var node_id in nodes) {
var node = nodes[node_id];
- if (this.interestingNode(node)) {
- var layer = L.circleMarker(node.latLng, this.options.styles.node);
-
- layer.addTo(this);
- layer.feature = node;
+ if (this.interestingNode(node, ways, relations)) {
+ features.push(node);
}
}
+
+ for (var i = 0; i < ways.length; i++) {
+ var way = ways[i];
+ features.push(way);
+ }
+
+ return features;
},
isWayArea: function (way) {
return false;
},
- interestingNode: function (node) {
+ interestingNode: function (node, ways, relations) {
+ var used = false;
+
+ for (var i = 0; i < ways.length; i++) {
+ if (ways[i].nodes.indexOf(node) >= 0) {
+ used = true;
+ break;
+ }
+ }
+
+ if (!used) {
+ return true;
+ }
+
+ for (var i = 0; i < relations.length; i++) {
+ if (relations[i].members.indexOf(node) >= 0)
+ return true;
+ }
+
for (var key in node.tags) {
- if (!~this.options.uninterestingTags.indexOf(key)) {
+ if (this.options.uninterestingTags.indexOf(key) < 0) {
return true;
}
}
});
L.Util.extend(L.OSM, {
+ getChangesets: function (xml) {
+ var result = [];
+
+ var nodes = xml.getElementsByTagName("changeset");
+ for (var i = 0; i < nodes.length; i++) {
+ var node = nodes[i], id = node.getAttribute("id");
+ result.push({
+ id: id,
+ type: "changeset",
+ latLngBounds: L.latLngBounds(
+ [node.getAttribute("min_lat"), node.getAttribute("min_lon")],
+ [node.getAttribute("max_lat"), node.getAttribute("max_lon")]),
+ tags: this.getTags(node)
+ });
+ }
+
+ return result;
+ },
+
getNodes: function (xml) {
var result = {};
return result;
},
- getWays: function (xml) {
+ getWays: function (xml, nodes) {
var result = [];
var ways = xml.getElementsByTagName("way");
};
for (var j = 0; j < nds.length; j++) {
- way_object.nodes[j] = nds[j].getAttribute("ref");
+ way_object.nodes[j] = nodes[nds[j].getAttribute("ref")];
}
result.push(way_object);
return result;
},
+ getRelations: function (xml, nodes, ways) {
+ var result = [];
+
+ var rels = xml.getElementsByTagName("relation");
+ for (var i = 0; i < rels.length; i++) {
+ var rel = rels[i], members = rel.getElementsByTagName("member");
+
+ var rel_object = {
+ id: rel.getAttribute("id"),
+ type: "relation",
+ members: new Array(members.length),
+ tags: this.getTags(rel)
+ };
+
+ for (var j = 0; j < members.length; j++) {
+ if (members[j].getAttribute("type") === "node")
+ rel_object.members[j] = nodes[members[j].getAttribute("ref")];
+ else // relation-way and relation-relation membership not implemented
+ rel_object.members[j] = null;
+ }
+
+ result.push(rel_object);
+ }
+
+ return result;
+ },
+
getTags: function (xml) {
var result = {};