User:Skinkie/XAPISQL
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OpenLayers.Format.DBSlayerJSON = OpenLayers.Class(OpenLayers.Format.JSON, {
initialize: function(options) {
OpenLayers.Format.JSON.prototype.initialize.apply(this, [options]);
},
read: function(json, type, filter) {
var results = [];
obj = OpenLayers.Format.JSON.prototype.read.apply(this, [json, filter]);
rows = obj["RESULT"]["ROWS"];
for(var i=0, len=rows.length; i<len; ++i) {
var point = new OpenLayers.Geometry.Point(rows[i][0], rows[i][1]);
var wgs84 = new OpenLayers.Projection("EPSG:4326");
var sm = new OpenLayers.Projection("EPSG:900913");
point.transform(wgs84, sm);
results.push(new OpenLayers.Feature.Vector(point));
}
return results;
},
CLASS_NAME: "OpenLayers.Format.DBSlayerJSON"
});
var styleATM = new OpenLayers.StyleMap({
"default": new OpenLayers.Style(null, {
rules: [
new OpenLayers.Rule({
symbolizer: {
"Point": {
pointRadius: 6,
externalGraphic: '/icons/atm.png',
fillColor: "white",
fillOpacity: 1.0
}
}
})
]
})
});
var layerATM = new OpenLayers.Layer.Vector("ATM", {
strategies: [new OpenLayers.Strategy.Fixed()],
protocol: new OpenLayers.Protocol.HTTP({
url: "/xapi/json/SELECT long, lat FROM nodes_legacy, node_tags WHERE id = node AND ((k = 'amenity' AND v = 'atm') OR (k = 'atm')) LIMIT 100000;",
format: new OpenLayers.Format.DBSlayerJSON()
}),
styleMap: styleATM
});
more info: