              });
                    renderCount++;
                }

                updateData();

                console.log(JSON.stringify({
                    startTime: startTime,
                    data: data
                }));

                function renderItem(params, api) {
                    var categoryIndex = api.value(0);
                    var start = api.coord([api.value(1), categoryIndex]);
                    var end = api.coord([api.value(2), categoryIndex]);
                  