/// <summary>
/// 定时器事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Timer1_Tick(object sender, EventArgs e)
{
this.UpdateQueueValue();
foreach (var series in this.chart1.Series)
{
series.Points.Clear();
}
for (int i = 0; i < _dataQueue.Count; i++)
{
WheelDists group = _dataQueue.ElementAt(i);
this.chart1.Series["WheelLeft"].Points.AddXY(i, group.WheelLeftDist);
this.chart1.Series["WheelRight"].Points.AddXY(i, group.WheelRightDist);
this.chart1.Series["YawAngle"].Points.AddXY(i, group.YawAngle);
}
}
//更新队列中的值
private void UpdateQueueValue()
{
if (this._dataQueue.Count > _maxCount)
{
//先出列
for (int i = 0; i < _num; i++)
{
this._dataQueue.Dequeue();
}
}
string sqlString = string.Format("select t.wheel_left_dist, t.wheel_right_dist, t.yaw_plc from t_rcms_machineposture_time t where t.machine_name = '{0}'", _machineName);
DataTable table = this.provider.Query(sqlString);
if (table == null || table.Rows.Count == 0)
{
return;
}
this._dataQueue.Enqueue(WheelDists.GetInstance(table.Rows[0]));
}