net/systemeD/potlatch2/utils/GpxImporter.as

   1 package net.systemeD.potlatch2.utils {
   2
   3         import net.systemeD.halcyon.Map;
   4         import net.systemeD.halcyon.connection.Connection;
   5         import net.systemeD.halcyon.connection.Node;
   6         import net.systemeD.halcyon.connection.Way;
   7         import net.systemeD.potlatch2.tools.Simplify;
   8
   9     /**
  10     * Implements parsing and loading of GPX files.
  11     * For loading GPX traces from the OSM API, see halcyon/connection/Trace.as
  12     */
  13         public class GpxImporter extends Importer {
  14
  15                 public function GpxImporter(connection:Connection, map:Map, filenames:Array, callback:Function=null, simplify:Boolean=false) {
  16                         super(connection,map,filenames,callback,simplify);
  17                 }
  18
  19                 override protected function doImport(push:Function): void {
  20                         var file:XML = new XML(files[0]);
  21                         for each (var ns:Namespace in file.namespaceDeclarations()) {
  22                                 if (ns.uri.match(/^http:\/\/www\.topografix\.com\/GPX\/1\/[01]$/)) {
  23                                         default xml namespace = ns;
  24                                 }
  25                         }
  26
  27                         for each (var trkseg:XML in file..trkseg) {
  28                                 var way:Way;
  29                 var nodestring:Array = [];
  30                 for each (var trkpt:XML in trkseg.trkpt) {
  31                                         nodestring.push(connection.createNode({}, trkpt.@lat, trkpt.@lon, push));
  32                                 }
  33                 if (nodestring.length > 0) {
  34                                         way = connection.createWay({}, nodestring, push);
  35                                         if (simplify) { Simplify.simplify(way, map, false); }
  36                                 }
  37                         }
  38
  39             for each (var wpt:XML in file.wpt) {
  40                                 var tags:Object = {};
  41                                 for each (var tag:XML in wpt.children()) {
  42                                         tags[tag.name().localName]=tag.toString();
  43                                 }
  44                                 var node:Node = connection.createNode(tags, wpt.@lat, wpt.@lon, push);
  45                                 connection.registerPOI(node);
  46                         }
  47
  48                         default xml namespace = new Namespace("");
  49                 }
  50         }
  51 }