}
},
- addData: function (xml) {
- var nodes = L.OSM.getNodes(xml),
- ways = L.OSM.getWays(xml);
-
- for (var i = 0; i < ways.length; i++) {
- var way = ways[i],
- latLngs = new Array(way.nodes.length);
-
- for (var j = 0; j < way.nodes.length; j++) {
- latLngs[j] = nodes[way.nodes[j]].latLng;
- }
+ addData: function (features) {
+ if (!(features instanceof Array)) {
+ features = this.buildFeatures(features);
+ }
- var layer;
+ for (var i = 0; i < features.length; i++) {
+ var feature = features[i], layer;
- if (this.isWayArea(way)) {
- latLngs.pop(); // Remove last == first.
- layer = L.polygon(latLngs, this.options.styles.area);
+ if (feature.type === "node") {
+ layer = L.circleMarker(feature.latLng, this.options.styles.node);
} else {
- layer = L.polyline(latLngs, this.options.styles.way);
+ var latLngs = new Array(feature.nodes.length);
+
+ for (var j = 0; j < feature.nodes.length; j++) {
+ latLngs[j] = feature.nodes[j].latLng;
+ }
+
+ 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 = [],
+ nodes = L.OSM.getNodes(xml),
+ ways = L.OSM.getWays(xml, nodes);
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)) {
+ 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) {
+ 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 key in node.tags) {
- if (!~this.options.uninterestingTags.indexOf(key)) {
+ if (this.options.uninterestingTags.indexOf(key) < 0) {
return true;
}
}
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);