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<List<ResultModel>>(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(, 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 = ,

                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 / ,

                Minimum = minPoint.val - minPoint.val / ,

                MajorGridlineStyle = LineStyle.Solid,//主刻度设置格网

                MinorGridlineStyle = LineStyle.Dot,//子刻度设置格网样式

                IntervalLength = ,

                Angle = ,

                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 = ,

                MarkerSize = ,

                MarkerStroke = OxyColors.BlueViolet,

            };

            plotModel.Series.Add(lineSerial);

            Task.Factory.StartNew(() =>

           {

               for (int i = ; 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();

               }

           });

            //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 =

            };

            plotModel.Annotations.Add(lineMaxAnnotation);

            var lineMinAnnotation = new LineAnnotation()

            {//下限

                Type = LineAnnotationType.Horizontal,

                Color = OxyColors.Blue,

                LineStyle = LineStyle.Dash,

                StrokeThickness = ,

                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 = ,

                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, ));

            min.MarkerFill = OxyColor.FromAColor(, 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, ));

            max.MarkerFill = OxyColor.FromAColor(, 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<DataPoint>();

            //    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;

        }