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Merge pull request #4 from aurmil/routes
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Add routes support
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@peplin
peplin committed Apr 1, 2017
2 parents e862945 + a63c502 commit e29f890
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Showing 4 changed files with 147 additions and 1 deletion.
1 change: 1 addition & 0 deletions README.mkd
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Expand Up @@ -65,6 +65,7 @@ should do the trick:
parser.setMinTrackPointDelta(0.001); // Set the minimum distance between track points
parser.centerAndZoom(data);
parser.addTrackpointsToMap(); // Add the trackpoints
parser.addRoutepointsToMap(); // Add the routepoints
parser.addWaypointsToMap(); // Add the waypoints
}
});
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1 change: 1 addition & 0 deletions examples/gpxviewer/gpxviewer.html
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Expand Up @@ -32,6 +32,7 @@
parser.setMinTrackPointDelta(0.001); // Set the minimum distance between track points
parser.centerAndZoom(data);
parser.addTrackpointsToMap(); // Add the trackpoints
parser.addRoutepointsToMap(); // Add the routepoints
parser.addWaypointsToMap(); // Add the waypoints
}
});
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95 changes: 95 additions & 0 deletions examples/gpxviewer/pocotrail.xml
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Expand Up @@ -1686,4 +1686,99 @@
</trkpt>
</trkseg>
</trk>
<rte>
<name>Annecy Test Route</name>
<rtept lat="45.90257" lon="6.1341"></rtept>
<rtept lat="45.90115" lon="6.12898"></rtept>
<rtept lat="45.90141" lon="6.12877"></rtept>
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<rtept lat="45.90613" lon="6.10023"></rtept>
</rte>
</gpx>
51 changes: 50 additions & 1 deletion loadgpx.js
View file
Expand Up @@ -78,6 +78,9 @@ GPXParser.prototype.translateName = function(name) {
else if(name == "trkpt") {
return "Track Point";
}
else if(name == "rtept") {
return "Route Point";
}
}


Expand Down Expand Up @@ -178,9 +181,48 @@ GPXParser.prototype.addTrackToMap = function(track, colour, width) {
}
}

GPXParser.prototype.addRouteToMap = function(route, colour, width) {
var routepoints = route.getElementsByTagName("rtept");
if(routepoints.length == 0) {
return;
}

var pointarray = [];

// process first point
var lastlon = parseFloat(routepoints[0].getAttribute("lon"));
var lastlat = parseFloat(routepoints[0].getAttribute("lat"));
var latlng = new google.maps.LatLng(lastlat,lastlon);
pointarray.push(latlng);

for(var i = 1; i < routepoints.length; i++) {
var lon = parseFloat(routepoints[i].getAttribute("lon"));
var lat = parseFloat(routepoints[i].getAttribute("lat"));

// Verify that this is far enough away from the last point to be used.
var latdiff = lat - lastlat;
var londiff = lon - lastlon;
if(Math.sqrt(latdiff*latdiff + londiff*londiff)
> this.mintrackpointdelta) {
lastlon = lon;
lastlat = lat;
latlng = new google.maps.LatLng(lat,lon);
pointarray.push(latlng);
}

}

var polyline = new google.maps.Polyline({
path: pointarray,
strokeColor: colour,
strokeWeight: width,
map: this.map
});
}

GPXParser.prototype.centerAndZoom = function(trackSegment) {

var pointlist = new Array("trkpt", "wpt");
var pointlist = new Array("trkpt", "rtept", "wpt");
var minlat = 0;
var maxlat = 0;
var minlon = 0;
Expand Down Expand Up @@ -257,3 +299,10 @@ GPXParser.prototype.addWaypointsToMap = function() {
this.createMarker(waypoints[i]);
}
}

GPXParser.prototype.addRoutepointsToMap = function() {
var routes = this.xmlDoc.documentElement.getElementsByTagName("rte");
for(var i = 0; i < routes.length; i++) {
this.addRouteToMap(routes[i], this.trackcolour, this.trackwidth);
}
}

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