I am developing an application that would allow a user to use HTML5 File API to
browse for and read a local GPX file. So far, so good, I am doing this. Now I
want to add the file contents to a new Vector layer and add it to the map. The
GPX data is in WGS84 (EPSG:4326), and my map is in New Zealand Transverse
Mercator (EPSG:2193).
What OpenLayers protocol settings can I use to pass the file contents to the
OpenLayers GPX reader?
This code works if I have one of the GPX files in my htdocs directory:
var wgs84 = new OpenLayers.Projection("EPSG:4326");
map.addLayer(new OpenLayers.Layer.Vector("GPX Vectors", {
styleMap: gpxStyles,
eventListeners: {
"featuresadded": function(event) {
// 'this' is layer
this.map.zoomToExtent(this.getDataExtent());
}
},
projection: wgs84,
strategies: [new OpenLayers.Strategy.Fixed()],
protocol: new OpenLayers.Protocol.HTTP({
url: "deer 5-10-12.gpx",
format: new OpenLayers.Format.GPX()
})
}));
But I want to point the url to the file in memory of the client browser, or use
some other approach.
Any help would be appreciated.
Many thanks,
Robert Sanson
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