ways = L.OSM.getWays(xml, nodes),
relations = L.OSM.getRelations(xml, nodes, ways);
+ var wayNodes = {}
+ for (var i = 0; i < ways.length; i++) {
+ var way = ways[i];
+ for (var j = 0; j < way.nodes.length; j++) {
+ wayNodes[way.nodes[j].id] = true
+ }
+ }
+
+ var relationNodes = {}
+ for (var i = 0; i < relations.length; i++){
+ var relation = relations[i];
+ for (var j = 0; j < relation.members.length; j++) {
+ relationNodes[relation.members[j].id] = true
+ }
+ }
+
for (var node_id in nodes) {
var node = nodes[node_id];
- if (this.interestingNode(node, ways, relations)) {
+ if (this.interestingNode(node, wayNodes, relationNodes)) {
features.push(node);
}
}
return false;
},
- 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;
+ interestingNode: function (node, wayNodes, relationNodes) {
+ if (!wayNodes[node.id] || relationNodes[node.id]) {
+ return true
}
for (var key in node.tags) {
else // relation-way and relation-relation membership not implemented
rel_object.members[j] = null;
}
-
+ rel_object.members = rel_object.members.filter(i => i !== null && i !== undefined)
result.push(rel_object);
}