C# ZedGraphControl.Invalidate方法代码示例

        public static Bitmap GetGraph(List<int> data, List<DateTime> date, string xAxis, string yAxis, string graphName)
        {
            ZedGraphControl zedGraph = new ZedGraphControl();
            if (data.Count == 0)
            {
                return null;
            }

            if (data.Count == 1)
            {
                data.Add(data[0]);
                date.Add(date[0].AddSeconds(1));
            }
            GraphPane myPane = zedGraph.GraphPane;
            myPane.CurveList.Clear();
            PointPairList list1 = new PointPairList();
            DateTime l, r;
            l = date.First();
            r = date.Last();

            for (int i = 0; i < data.Count; i++)
            {
                list1.Add(date[i].ToOADate(), data[i]);
            }
            LineItem myCurve = myPane.AddCurve("Line1",
                  list1, Color.Red, SymbolType.Diamond);

            myPane.XAxis.Type = AxisType.Date;
            myPane.YAxis.MajorGrid.IsVisible = true;
            myPane.YAxis.MajorGrid.DashOff = 0;
            myPane.YAxis.MajorGrid.Color = Color.DarkGray;
            myPane.XAxis.Scale.Min = l.ToOADate();
            myPane.XAxis.Scale.Max = r.ToOADate();
            myPane.XAxis.Scale.Format = "dd-MMM-yy";
            myPane.XAxis.Title.Text = xAxis;
            myPane.YAxis.Title.Text = yAxis;
            myPane.Title.Text = graphName;
            myPane.Legend.IsVisible = false;
            zedGraph.Enabled = false;

            myCurve.Line.Width = 4.0F;
            myCurve.Line.Color = Color.FromArgb(189, 43, 43);
            myCurve.Line.Fill = new Fill(Color.FromArgb(100, 207, 236, 255),
                Color.FromArgb(200, 145, 213, 255), 90F);

            myCurve.Symbol.Size = 12.0F;
            myCurve.Symbol.Fill = new Fill(Color.FromArgb(145, 16, 16));
            myCurve.Symbol.Border.Color = Color.FromArgb(99, 4, 4);

            zedGraph.AxisChange();
            zedGraph.Invalidate();

            Bitmap bmp = zedGraph.MasterPane.GetImage(1024, 768, 96);
            return bmp;
        }

        //метод очищает полотно для рисования
        public void Clear(ZedGraphControl control)
        {
            // Получим панель для рисования
            GraphPane pane = control.GraphPane;

            // Очистим список кривых
            pane.CurveList.Clear();

            // Обновляем график
            control.Invalidate();
        }

        private void asignarGrafica(ZedGraphControl z, int i)
        {
            CurveList g = new CurveList();

            g = h.getGrafica(i);

            if (g != null)
            {
                z.GraphPane.CurveList = g;
                z.Invalidate();
                z.Refresh();
            }
        }

    public void CreateScatterplot(ZedGraphControl zgc, double[,] graph)
    {
      GraphPane myPane = zgc.GraphPane;
      myPane.CurveList.Clear();

      // Set the titles
      myPane.Title.IsVisible = false;
      myPane.XAxis.Title.Text = _sourceColumns[0];
      myPane.YAxis.Title.Text = _sourceColumns[1];


      // Classification problem
      PointPairList list1 = new PointPairList(); // Z = -1
      PointPairList list2 = new PointPairList(); // Z = +1
      for (int i = 0; i < graph.GetLength(0); i++)
      {
        if (graph[i, 2] == 0)
          list1.Add(graph[i, 0], graph[i, 1]);
        if (graph[i, 2] == 1)
          list2.Add(graph[i, 0], graph[i, 1]);
      }

      // Add the curve
      LineItem myCurve = myPane.AddCurve("G1", list1, Color.Blue, SymbolType.Diamond);
      myCurve.Line.IsVisible = false;
      myCurve.Symbol.Border.IsVisible = false;
      myCurve.Symbol.Fill = new Fill(Color.Blue);

      myCurve = myPane.AddCurve("G2", list2, Color.Green, SymbolType.Diamond);
      myCurve.Line.IsVisible = false;
      myCurve.Symbol.Border.IsVisible = false;
      myCurve.Symbol.Fill = new Fill(Color.Green);


      // Fill the background of the chart rect and pane
      //myPane.Chart.Fill = new Fill(Color.White, Color.LightGoldenrodYellow, 45.0f);
      //myPane.Fill = new Fill(Color.White, Color.SlateGray, 45.0f);
      myPane.Fill = new Fill(Color.WhiteSmoke);
      
      zgc.AxisChange();
      zgc.Invalidate();
    }

        ///////////////////////////////////////////////////////////////////////////////////////////////
        // Build the Chart
        private void CreateGraph(ZedGraphControl zgc)
        {
            // get a reference to the GraphPane
            GraphPane myPane = zgc.GraphPane;

            // Set the Titles
            myPane.Title.Text = microphone.title;
            myPane.XAxis.Title.Text = "";
            myPane.YAxis.Title.Text = "";
            myPane.XAxis.MajorGrid.IsVisible = true;
            myPane.YAxis.MajorGrid.IsVisible = true;
            myPane.YAxis.MajorGrid.IsZeroLine = false;

            myPane.XAxis.Scale.Min = -1;
            myPane.XAxis.Scale.Max = 1;

            // По оси Y установим автоматический подбор масштаба
            myPane.YAxis.Scale.MinAuto = true;
            myPane.YAxis.Scale.MaxAuto = true;

            // Создаем список точек
            RadarPointList points = new RadarPointList();
            // Т.к. в списке будет 4 точки, то и окружность будет разбиваться на 4 части
            // Обход точек будет осуществляться по часовой стрелке
            points.Clockwise = true;
            // Первая точка - сверху над началом координат. Расстояние до центра = 1. Второй параметр в большинстве случаев не используется
            for (int i = 0; i < pointsArray.Length; i++)
            {
                points.Add(pointsArray[i], 1);
            }

            // Добавляем кривую по этим четырем точкам
            LineItem myCurve = myPane.AddCurve("", points, Color.Black, SymbolType.None);
            // Отметим начало координат черным квадратиком
            BoxObj box = new BoxObj(-0.005, 0.005, 0.01, 0.01, Color.Black, Color.Black);
            myPane.GraphObjList.Add(box);

            zgc.AxisChange();
            zgc.Invalidate();
        }

        private void draw(int[] x, int[] y, int[] z, ZedGraphControl zgcHist, string filename)
        {
            GraphPane pane = zgcHist.GraphPane;
            pane.CurveList.Clear();
            PointPairList list = new PointPairList();
            PointPairList list2 = new PointPairList();
            for (long j = 0; j < x.Length; j++) {
                list.Add(x[j], y[j]);
                list2.Add(x[j], z[j]);
            }

            pane.AddBar("Histogram", list, Color.Black);
            pane.AddCurve("The mean", list2, Color.Coral, SymbolType.None);
            pane.YAxis.Scale.Min = 0;
            pane.YAxis.Scale.Max = 1.1*y.Max();

            pane.XAxis.Scale.Min = -100;
            pane.XAxis.Scale.Max = 100;

            zgcHist.AxisChange();
            zgcHist.Invalidate();
        }

        /// <summary>
        /// Draws the values.
        /// </summary>
        /// <param name="functionVector">The function vector.</param>
        /// <param name="zedGraphControl">The zed graph control.</param>
        /// <param name="title">The title.</param>
        /// <param name="color">The color.</param>
        private void DrawValues(double[] functionVector, ZedGraphControl zedGraphControl, String title, Color color)
        {
            var graphPane = zedGraphControl.GraphPane;

            graphPane.XAxis.Title.Text = "Count number";
            graphPane.YAxis.Title.Text = "Value of the function";
            graphPane.Title.Text = title;

            graphPane.CurveList.Clear();

            var pointList = new PointPairList();

            for (var i = 0; i < functionVector.Length; i++)
            {
                pointList.Add(i, functionVector[i]);
            }

            graphPane.AddCurve(String.Empty, pointList, color);

            zedGraphControl.AxisChange();
            zedGraphControl.Invalidate();
        }

        public ZedGraphProxy(ZedGraphControl chart)
        {
            Chart = chart;

            master = chart.MasterPane;
            master.Fill = new Fill(Color.White, Color.FromArgb(220, 220, 255), 45.0f);
            master.PaneList.Clear();

            master.Title.IsVisible = true;
            //master.Title.Text = "";

            master.Margin.All = 10;
            master.InnerPaneGap = 0;

            myPane = new GraphPane(new Rectangle(25, 25, chart.Width - 50, chart.Height - 50), "", "", "");

               // myPane.Title.Text = "";
            myPane.XAxis.Title.Text = "Time, s";
            myPane.Y2Axis.IsVisible = true;
            myPane.Fill.IsVisible = false;
            myPane.Chart.Fill = new Fill(Color.White, Color.LightYellow, 45.0F);
            myPane.Margin.All = 0;
            myPane.Margin.Top = 20;

            master.Add(myPane);

            y1List = new PointPairList();
            y2List = new PointPairList();

            var myCurve = myPane.AddCurve("", y1List, Color.Red, SymbolType.Circle);
            myCurve.IsVisible = false;
            myCurve = myPane.AddCurve("", y2List, Color.Green, SymbolType.Circle);
            myCurve.IsVisible = false;
            myCurve.IsY2Axis = true;
            chart.IsSynchronizeYAxes = true;
            chart.Invalidate();
        }

        private void Draw(int[] x, int[] y, int[] z, ZedGraphControl zgcHist, string filename)
        {
            GraphPane pane = zgcHist.GraphPane;
            pane.CurveList.Clear();
            PointPairList list = new PointPairList();
            PointPairList list2 = new PointPairList();
            for (long j = 0; j < x.Length; j++)
            {
                list.Add(x[j], y[j]);
                list2.Add(x[j], z[j]);
            }

            pane.AddBar("Гистограмма", list, Color.IndianRed);
            pane.AddCurve("Ожидаемый результат", list2, Color.Crimson, SymbolType.None);
            pane.YAxis.Scale.Min = 0;
            pane.YAxis.Scale.Max = 1.1*y.Max();

            pane.XAxis.Scale.Min = -100;
            pane.XAxis.Scale.Max = 100;

            pane.Title.Text = filename;
            zgcHist.AxisChange();
            zgcHist.Invalidate();
        }

        public void CreateResultScatterplot(ZedGraphControl zgc, double[][] inputs, double[] expected, double[] output)
        {
            GraphPane myPane = zgc.GraphPane;
            myPane.CurveList.Clear();

            // Set the titles
            myPane.Title.IsVisible = false;
            myPane.XAxis.Title.Text = sourceColumns[0];
            myPane.YAxis.Title.Text = sourceColumns[1];

            // Classification problem
            PointPairList list1 = new PointPairList(); // Z = -1, OK
            PointPairList list2 = new PointPairList(); // Z = +1, OK

            PointPairList list3 = new PointPairList(); // Z = -1, Error
            PointPairList list4 = new PointPairList(); // Z = +1, Error
            for (int i = 0; i < output.Length; i++)
            {
                if (output[i] == -1)
                {
                    if (expected[i] == -1)
                        list1.Add(inputs[i][0], inputs[i][1]);
                    if (expected[i] == 1)
                        list3.Add(inputs[i][0], inputs[i][1]);
                }
                else
                {
                    if (expected[i] == -1)
                        list4.Add(inputs[i][0], inputs[i][1]);
                    if (expected[i] == 1)
                        list2.Add(inputs[i][0], inputs[i][1]);
                }
            }

            // Add the curve
            LineItem
            myCurve = myPane.AddCurve("G1 Hits", list1, Color.Blue, SymbolType.Diamond);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Blue);

            myCurve = myPane.AddCurve("G2 Hits", list2, Color.Green, SymbolType.Diamond);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Green);

            myCurve = myPane.AddCurve("G1 Miss", list3, Color.Blue, SymbolType.Plus);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = true;
            myCurve.Symbol.Fill = new Fill(Color.Blue);

            myCurve = myPane.AddCurve("G2 Miss", list4, Color.Green, SymbolType.Plus);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = true;
            myCurve.Symbol.Fill = new Fill(Color.Green);

            // Fill the background of the chart rect and pane
            myPane.Fill = new Fill(Color.WhiteSmoke);

            zgc.AxisChange();
            zgc.Invalidate();
        }

        public void CreateBarGraph(ZedGraphControl zgc, double[] discriminants)
        {
            GraphPane myPane = zgc.GraphPane;

            myPane.CurveList.Clear();

            myPane.Title.IsVisible = false;
            myPane.Legend.IsVisible = false;
            myPane.Border.IsVisible = false;
            myPane.Border.IsVisible = false;
            myPane.Margin.Bottom = 20f;
            myPane.Margin.Right = 20f;
            myPane.Margin.Left = 20f;
            myPane.Margin.Top = 30f;

            myPane.YAxis.Title.IsVisible = true;
            myPane.YAxis.IsVisible = true;
            myPane.YAxis.MinorGrid.IsVisible = false;
            myPane.YAxis.MajorGrid.IsVisible = false;
            myPane.YAxis.IsAxisSegmentVisible = false;
            myPane.YAxis.Scale.Max = 9.5;
            myPane.YAxis.Scale.Min = -0.5;
            myPane.YAxis.MajorGrid.IsZeroLine = false;
            myPane.YAxis.Title.Text = "Classes";
            myPane.YAxis.MinorTic.IsOpposite = false;
            myPane.YAxis.MajorTic.IsOpposite = false;
            myPane.YAxis.MinorTic.IsInside = false;
            myPane.YAxis.MajorTic.IsInside = false;
            myPane.YAxis.MinorTic.IsOutside = false;
            myPane.YAxis.MajorTic.IsOutside = false;

            myPane.XAxis.MinorTic.IsOpposite = false;
            myPane.XAxis.MajorTic.IsOpposite = false;
            myPane.XAxis.Title.IsVisible = true;
            myPane.XAxis.Title.Text = "Relative class response";
            myPane.XAxis.IsVisible = true;
            myPane.XAxis.Scale.Min = 0;
            myPane.XAxis.Scale.Max = 100;
            myPane.XAxis.IsAxisSegmentVisible = false;
            myPane.XAxis.MajorGrid.IsVisible = false;
            myPane.XAxis.MajorGrid.IsZeroLine = false;
            myPane.XAxis.MinorTic.IsOpposite = false;
            myPane.XAxis.MinorTic.IsInside = false;
            myPane.XAxis.MinorTic.IsOutside = false;
            myPane.XAxis.Scale.Format = "0'%";


            // Create data points for three BarItems using Random data
            PointPairList list = new PointPairList();

            for (int i = 0; i < discriminants.Length; i++)
                list.Add(discriminants[i] * 100, i);

            BarItem myCurve = myPane.AddBar("b", list, Color.DarkBlue);


            // Set BarBase to the YAxis for horizontal bars
            myPane.BarSettings.Base = BarBase.Y;


            zgc.AxisChange();
            zgc.Invalidate();

        }

        public void CreateScatterplot(ZedGraphControl zgc, double[,] graph)
        {
            GraphPane myPane = zgc.GraphPane;
            myPane.CurveList.Clear();

            // Set the titles
            myPane.Title.IsVisible = false;
            myPane.XAxis.Title.Text = columnNames[0];
            myPane.YAxis.Title.Text = columnNames[1];


            // Regression problem
            PointPairList list1 = new PointPairList();
            for (int i = 0; i < graph.GetLength(0); i++)
                list1.Add(graph[i, 0], graph[i, 1]);

            // Add the curve
            LineItem myCurve = myPane.AddCurve("Y", list1, Color.Blue, SymbolType.Diamond);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Blue);

            // Fill the background of the chart rect and pane
            myPane.Fill = new Fill(Color.WhiteSmoke);

            zgc.AxisChange();
            zgc.Invalidate();
        }

        public void CreateResultScatterplot(ZedGraphControl zgc, double[][] inputs, double[] expected, double[] output)
        {
            GraphPane myPane = zgc.GraphPane;
            myPane.CurveList.Clear();

            // Set the titles
            myPane.Title.IsVisible = false;
            myPane.XAxis.Title.Text = columnNames[0];
            myPane.YAxis.Title.Text = columnNames[1];


            // Regression problem
            PointPairList list1 = new PointPairList(); // svm output
            PointPairList list2 = new PointPairList(); // expected output
            for (int i = 0; i < inputs.Length; i++)
            {
                list1.Add(inputs[i][0], output[i]);
                list2.Add(inputs[i][0], expected[i]);
            }

            // Add the curve
            LineItem myCurve = myPane.AddCurve("Model output", list1, Color.Blue, SymbolType.Diamond);
            myCurve.Line.IsVisible = true;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Blue);

            myCurve = myPane.AddCurve("Data output", list2, Color.Red, SymbolType.Diamond);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Red);

            // Fill the background of the chart rect and pane
            myPane.Fill = new Fill(Color.WhiteSmoke);

            zgc.AxisChange();
            zgc.Invalidate();
        }

        public void CreateScatterplot(ZedGraphControl zgc, double[][] graph, int n)
        {
            GraphPane myPane = zgc.GraphPane;
            myPane.CurveList.Clear();

            // Set graph pane object
            myPane.Title.Text = "Normal (Gaussian) Distributions";
            myPane.XAxis.Title.Text = "X";
            myPane.YAxis.Title.Text = "Y";
            myPane.XAxis.Scale.Max = 10;
            myPane.XAxis.Scale.Min = -10;
            myPane.YAxis.Scale.Max = 10;
            myPane.YAxis.Scale.Min = -10;
            myPane.XAxis.IsAxisSegmentVisible = false;
            myPane.YAxis.IsAxisSegmentVisible = false;
            myPane.YAxis.IsVisible = false;
            myPane.XAxis.IsVisible = false;
            myPane.Border.IsVisible = false;


            // Create mixture pairs
            PointPairList list = new PointPairList();
            for (int i = 0; i < graph.Length; i++)
                list.Add(graph[i][0], graph[i][1]);


            // Add the curve for the mixture points
            LineItem myCurve = myPane.AddCurve("Mixture", list, Color.Gray, SymbolType.Diamond);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Gray);

            for (int i = 0; i < n; i++)
            {
                // Add curves for the clusters to be detected
                Color color = colors[i];
                myCurve = myPane.AddCurve("D" + (i + 1), new PointPairList(), color, SymbolType.Diamond);
                myCurve.Line.IsVisible = false;
                myCurve.Symbol.Border.IsVisible = false;
                myCurve.Symbol.Fill = new Fill(color);
            }

            // Fill the background of the chart rect and pane
            myPane.Fill = new Fill(Color.WhiteSmoke);

            zgc.AxisChange();
            zgc.Invalidate();
        }

        /// <summary>
        ///   Creates the space mapping scatter plot using ZedGraph.
        /// </summary>
        /// 
        private void createMappingScatterplot(ZedGraphControl zgc, double[,] graph)
        {
            GraphPane myPane = zgc.GraphPane;
            myPane.CurveList.Clear();

            // Set the titles
            myPane.Title.Text = "Scatter Plot";
            myPane.XAxis.Title.Text = "X";
            myPane.YAxis.Title.Text = "Y";
            myPane.XAxis.IsAxisSegmentVisible = false;
            myPane.YAxis.IsAxisSegmentVisible = false;


            PointPairList list1 = new PointPairList();
            PointPairList list2 = new PointPairList();
            PointPairList list3 = new PointPairList();
            for (int i = 0; i < graph.GetLength(0); i++)
            {
                if (graph[i, 2] == 1.0)
                    list1.Add(graph[i, 0], graph[i, 1]);
                if (graph[i, 2] == 2.0)
                    list2.Add(graph[i, 0], graph[i, 1]);
                if (graph[i, 2] == 3.0)
                    list3.Add(graph[i, 0], graph[i, 1]);
            }

            // Add the curve
            LineItem myCurve = myPane.AddCurve("G1", list1, Color.Blue, SymbolType.Diamond);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Blue);

            myCurve = myPane.AddCurve("G2", list2, Color.Green, SymbolType.Diamond);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Green);

            myCurve = myPane.AddCurve("G3", list3, Color.Orange, SymbolType.Diamond);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Orange);

            myCurve = myPane.AddCurve("M1", new PointPairList(), Color.Blue, SymbolType.Diamond);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Blue);

            myCurve = myPane.AddCurve("M2", new PointPairList(), Color.Green, SymbolType.Diamond);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Green);

            myCurve = myPane.AddCurve("M3", new PointPairList(), Color.Orange, SymbolType.Diamond);
            myCurve.Line.IsVisible = false;
            myCurve.Symbol.Border.IsVisible = false;
            myCurve.Symbol.Fill = new Fill(Color.Yellow);

            // Fill the background of the chart rect and pane
            myPane.Fill = new Fill(Color.WhiteSmoke);

            zgc.AxisChange();
            zgc.Invalidate();
        }