saveMapAsReceipt(callback) {
    console.log("test");
    this.printPlugin.printMap('A4Portrait page', 'Miles');
    this.routingMap.on('easyPrint-finished', e => {
        console.log(e.event);

        var reader = new FileReader();
        reader.readAsDataURL(e.event);
        reader.onloadend = function() {
            base64data = reader.result;
            console.log(base64data);
            this.receipt_source = base64data;
        }


        callback();

    });
    },
    submit : function(){
    console.log("test hehe");
    this.saveMapAsReceipt(this.$refs.update.submit());
    console.log("hehe");

    },