WPF——OXY绘图

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(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<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;
        }