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( function ( $ ) {
op2geojson = function() {
var instance = {},
geojson;
instance.fetch = function(url, callback) {
$.getJSON(url, { format: "json" },
function(data) {
var features = [];
$.each(data.elements, function(i, item) {
if( item.type === 'node' ) {
features.push( instance.point(item) );
}
});
geojson = instance.featureCollection(features);
callback(geojson);
}
);
};
instance.point = function(node) {
var point = {
"type" : "Feature",
"geometry" : {
"type" : "Point",
"coordinates" : [node.lon,node.lat]
},
"properties" : {}
};
_.extend(point.properties, node.tags);
return point;
}
instance.featureCollection = function(features) {
collection = {
"type" : "FeatureCollection",
"features" : features
};
return collection;
}
instance.geojson = function() {
url = "http://overpass-api.de/api/interpreter?data=[out:json];node[amenity=hospital](52.34,13.3,52.52,13.6);out;";
instance.fetch(url, function(data) {
return data;
});
}
return instance;
};
})( jQuery );
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