private PlotModel _plotModel;        public PlotModel plotModel        {            get { return _plotModel; }            set            {                _plotModel = value;                RaisePropertyChanged("plotModel");            }        }        public void LoadChart()        {            BeginDate = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff");            Stopwatch sw = new Stopwatch();            sw.Start();            var resData = JsonConvert.DeserializeObject
     
      
       >(WcfConnector.GetInstance().QuerySroodRawData(QueryEqpId, RouteSelected.RunId, SvidSelected.ParaName));            var orderList = resData.OrderByDescending(m => m.val);            var maxPoint = orderList.FirstOrDefault();            var minPoint = orderList.LastOrDefault();            var mean = 107.5;            plotModel = new PlotModel()            {                Title = "数据统计",                LegendTitle = "Max:红色，Min:黄色",                LegendOrientation = LegendOrientation.Horizontal,                LegendPlacement = LegendPlacement.Inside,                LegendPosition = LegendPosition.TopRight,                LegendBackground = OxyColor.FromAColor(200, OxyColors.Beige),                LegendBorder = OxyColors.Black,                DefaultFont = "微软雅黑",            };            #region X，Y轴            //X轴            var _dateAxis = new DateTimeAxis()            {                MajorGridlineStyle = LineStyle.Solid,                MinorGridlineStyle = LineStyle.Dot,                IntervalLength = 80,                IsZoomEnabled = false,                IsPanEnabled = false,                StringFormat = "M/d HH:mm:ss",                Title = "时间"            };            plotModel.Axes.Add(_dateAxis);            //var startDate = DateTime.Now.AddDays(-10);            //var endDate = DateTime.Now;            //var minValue = DateTimeAxis.ToDouble(startDate);            //var maxValue = DateTimeAxis.ToDouble(endDate);            //Y轴            var _valueAxis = new LinearAxis()            {                Title = "数值",                Maximum = maxPoint.val + maxPoint.val / 4,                Minimum = minPoint.val - minPoint.val / 3,                MajorGridlineStyle = LineStyle.Solid,//主刻度设置格网                MinorGridlineStyle = LineStyle.Dot,//子刻度设置格网样式                IntervalLength = 80,                Angle = 60,                IsZoomEnabled = true,//坐标轴缩放                IsPanEnabled = true,//图表缩放功能                 Position = AxisPosition.Left,            };            plotModel.Axes.Add(_valueAxis);            #endregion            #region 线条            //动态线条            var lineSerial = new LineSeries()            {                Title = SvidSelected.ParaName,//eqpParam name                Color = OxyColors.Black,                Smooth = true,                MarkerType = MarkerType.Circle,                StrokeThickness = 1,                MarkerSize = 2,                MarkerStroke = OxyColors.BlueViolet,            };            plotModel.Series.Add(lineSerial);            Task.Factory.StartNew(() =>           {               for (int i = 0; i < resData.Count; i++)               {                   lineSerial.Points.Add(DateTimeAxis.CreateDataPoint(resData[i].occurenceTime, resData[i].val));                   plotModel.InvalidatePlot(true); //每秒刷新一次视图                    Thread.Sleep(200);               }           });            //plotModel.InvalidatePlot(false);            #endregion            #region 上下限            //添加标注线            var lineMaxAnnotation = new LineAnnotation()            {
    //上限                Type = LineAnnotationType.Horizontal,                Y = maxPoint.val,                Text = "上限:" + maxPoint.val,                Color = OxyColors.Red,                LineStyle = LineStyle.DashDashDot,                StrokeThickness = 2            };            plotModel.Annotations.Add(lineMaxAnnotation);            var lineMinAnnotation = new LineAnnotation()            {
    //下限                Type = LineAnnotationType.Horizontal,                Color = OxyColors.Blue,                LineStyle = LineStyle.Dash,                StrokeThickness = 2,                Y = minPoint.val,                Text = "下限:" + minPoint.val            };            plotModel.Annotations.Add(lineMinAnnotation);            var lineMean = new LineAnnotation()            {
    //平均                Type = LineAnnotationType.Horizontal,                Color = OxyColors.Green,                LineStyle = LineStyle.LongDash,                StrokeThickness = 2,                Y = mean,                Text = "平均:" + mean            };            plotModel.Annotations.Add(lineMean);            #endregion            #region 最大值，最小值            var min = new ScatterSeries();            var MaxDataPoint = DateTimeAxis.CreateDataPoint(maxPoint.occurenceTime, maxPoint.val);            min.Points.Add(new ScatterPoint(MaxDataPoint.X, MaxDataPoint.Y, 15));            min.MarkerFill = OxyColor.FromAColor(120, OxyColors.Red);            min.MarkerType = MarkerType.Circle;            plotModel.Series.Add(min);            var max = new ScatterSeries();            var minDataPoint = DateTimeAxis.CreateDataPoint(minPoint.occurenceTime, minPoint.val);            max.Points.Add(new ScatterPoint(minDataPoint.X, minDataPoint.Y, 15));            max.MarkerFill = OxyColor.FromAColor(120, OxyColors.Yellow);            max.MarkerType = MarkerType.Circle;            plotModel.Series.Add(max);            #endregion            #region 线条2            ////动态线条            //var lineSerial3 = new LineSeries()            //{            //    Title = "CF3",            //    Color = OxyColors.Blue,            //    Smooth = true,            //    MarkerType = MarkerType.Circle,            //    StrokeThickness = 2,            //    MarkerSize = 3,            //    MarkerStroke = OxyColors.BlueViolet            //};            //plotModel.Series.Add(lineSerial3);            //var count = 50;            //var rd3 = new Random();            //Task.Factory.StartNew(() =>            //{            //    var list = new List
       
        ();            //    while (count > 0)            //    {            //        var point = DateTimeAxis.CreateDataPoint(DateTime.Now, rd3.Next(15, 60));            //        list.Add(point);            //        lineSerial3.Points.Add(point);            //        //if (lineSerial3.Points.Count > 1000)            //        //{            //        //    lineSerial3.Points.RemoveAt(0);            //        //}            //        plotModel.InvalidatePlot(true); //每秒刷新一次视图             //        Thread.Sleep(500);            //        count--;            //    }            //    if (list.Count > 0)            //    {            //        var list1 = list.OrderByDescending(m => m.Y);            //        var maxPoint = list1.FirstOrDefault();            //        var minPoint = list1.LastOrDefault();            //        var min = new ScatterSeries();            //        min.Points.Add(new ScatterPoint(maxPoint.X, maxPoint.Y, 15));            //        min.MarkerFill = OxyColor.FromAColor(120, OxyColors.Red);            //        min.MarkerType = MarkerType.Circle;            //        plotModel.Series.Add(min);            //        var max = new ScatterSeries();            //        max.Points.Add(new ScatterPoint(minPoint.X, minPoint.Y, 15));            //        max.MarkerFill = OxyColor.FromAColor(120, OxyColors.Yellow);            //        max.MarkerType = MarkerType.Circle;            //        plotModel.Series.Add(max);            //    }            //});            #endregion            EndDate = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff");            sw.Stop();            TotalDate = sw.ElapsedTicks / (decimal)Stopwatch.Frequency;        }