/// <summary>
/// 更新曲线数据
/// 该函数被多线程调用，所以给每个 Code 对应的 Chart 都上了一把锁
/// </summary>
private static void updateChartView(CpmDetailViewStore cpmDetail, Cpm cpm, CpmChartThreshold maxThreshold, CpmChartThreshold minThreshold, CPK cpk)
{
lock (cpmDetail.ChartCpmSourceDict[cpm.Code]) {
if (cpm.ValueType == SmParamType.Signal)
{
AsureChartPointNums(cpmDetail, cpm);
cpmDetail.ChartCpmSourceDict[cpm.Code].Add(cpm);
cpmDetail.Avgcalculator[cpm.Code](cpm.GetFloatVal());
if (!cpmDetail.AvgLast[cpm.Code].HasValue)
{
cpmDetail.AvgLast[cpm.Code] = cpm.GetFloatVal();
}
cpmDetail.AvgDict[cpm.Code].Add(new CpmAvg()
{
Value = cpmDetail.AvgLast[cpm.Code].Value,
UpdateTime = cpm.PickTime
});
//同步最值和实时曲线的时间
if (maxThreshold != null)
{
maxThreshold.UpdateTime = cpm.PickTime;
cpmDetail.MaxThresholdDict[cpm.Code].Add(maxThreshold);
}
if (minThreshold != null)
{
minThreshold.UpdateTime = cpm.PickTime;
cpmDetail.MinThresholdDict[cpm.Code].Add(minThreshold);
}
if (cpk != null)
{
cpk.UpdateTime = cpm.PickTime;
cpmDetail.CPKDict[cpm.Code].Add(cpk);
}
}
if (cpm.Code == cpmDetail.SelectedCpm.Code)
{
cpmDetail.SelectedPointNums = "点数：" + cpmDetail.SelectedCpmChartSource.Count;
//保证实时曲线的动态绘制
cpmDetail.SelectedVisualMax = DateTime.Now;
}
}
}
/// <summary>
/// 确保参数值的个数不会超限
/// </summary>
/// <param name="cpmDetail"></param>
/// <param name="cpm"></param>
private static void AsureChartPointNums(CpmDetailViewStore cpmDetail, Cpm cpm)
{
if (cpmDetail.ChartCpmSourceDict[cpm.Code].Count > maxChartPointNums)
{
cpmDetail.ChartCpmSourceDict[cpm.Code].RemoveRange(0, removePointNums);
cpmDetail.AvgDict[cpm.Code].RemoveRange(0, removePointNums);
//更新平均值计算器
cpmDetail.AvgLast[cpm.Code] = cpmDetail.Avgcalculator[cpm.Code](cpm.GetFloatVal());
cpmDetail.Avgcalculator[cpm.Code] = YUtil.CreateExecAvgFunc();
}
if (cpmDetail.MaxThresholdDict[cpm.Code].Count > maxChartPointNums)
{
cpmDetail.MaxThresholdDict[cpm.Code].RemoveRange(0, removePointNums);
}
if (cpmDetail.MinThresholdDict[cpm.Code].Count > maxChartPointNums)
{
cpmDetail.MinThresholdDict[cpm.Code].RemoveRange(0, removePointNums);
}
if (cpmDetail.CPKDict[cpm.Code].Count > maxChartPointNums)
{
cpmDetail.CPKDict[cpm.Code].RemoveRange(0, removePointNums);
}
}