this.SetData = function (data) {
        if (data != null) {
            _data = data;

            var dLength = _data.length,
                iterations = Math.floor(dLength/8),
                leftover = dLength % 8,
                i = 0;
                console.log(dLength, iterations, leftover);

            if (dLength === 0) return;
                while (leftover --){
                    //convert the data coordinate into a Location object and store it.
                    _data[i]._LatLong = new Microsoft.Maps.Location(_data[i].Latitude, _data[i].Longitude);
                    i++;
                }
                while (iterations--){
                    _data[i]._LatLong = new Microsoft.Maps.Location(_data[i].Latitude, _data[i].Longitude);
                    i++;
                    _data[i]._LatLong = new Microsoft.Maps.Location(_data[i].Latitude, _data[i].Longitude);
                    i++;
                    _data[i]._LatLong = new Microsoft.Maps.Location(_data[i].Latitude, _data[i].Longitude);
                    i++;
                    _data[i]._LatLong = new Microsoft.Maps.Location(_data[i].Latitude, _data[i].Longitude);
                    i++;
                    _data[i]._LatLong = new Microsoft.Maps.Location(_data[i].Latitude, _data[i].Longitude);
                    i++;
                    _data[i]._LatLong = new Microsoft.Maps.Location(_data[i].Latitude, _data[i].Longitude);
                    i++;
                    _data[i]._LatLong = new Microsoft.Maps.Location(_data[i].Latitude, _data[i].Longitude);
                    i++;
                    _data[i]._LatLong = new Microsoft.Maps.Location(_data[i].Latitude, _data[i].Longitude);
                    i++;
            };
        } else {
            _data = [];
        }

        cluster();
    };