/// <summary> /// Load the data /// </summary> private void loadData() { // In this demo, we allow scrolling for the last 5 years. DateTime lastDate = DateTime.Now.Date; DateTime firstDate = DateTime.Now.Date.AddYears(-5); // The initial view port is to show 1 year of data. currentDuration = lastDate.Subtract(DateTime.Now.Date.AddYears(-1)).TotalSeconds; // // Get the data and stores them in a memory buffer for fast scrolling / zooming. In // this demo, we just use a random number generator. In practice, you may get the data // from a database or XML or by other means. (See the ChartDirector documentation on // "Using Data Sources with ChartDirector" if you need some sample code on how to read // data from database to array variables.) // // Set up random number generator RanTable r = new RanTable(127, 4, lastDate.Subtract(firstDate).Days + 1); r.setDateCol(0, firstDate, 86400); r.setCol(1, 150, -10, 10); r.setCol(2, 200, -10, 10); r.setCol(3, 250, -10, 10); // Read random data into the data arrays timeStamps = Chart.NTime(r.getCol(0)); dataSeriesA = r.getCol(1); dataSeriesB = r.getCol(2); dataSeriesC = r.getCol(3); }
// // Create a random table for demo purpose. // private RanTable getRandomTable() { RanTable r = new RanTable(127, 4, 1828); r.setDateCol(0, new DateTime(2010, 1, 1), 86400); r.setCol(1, 150, -10, 10); r.setCol(2, 200, -10, 10); r.setCol(3, 250, -8, 8); return(r); }
//Main code for creating chart. //Note: the argument chartIndex is unused because this demo only has 1 chart. public void createChart(WPFChartViewer viewer, int chartIndex) { // Use random table to generate a random series. The random table is set to 1 col x 51 // rows, with 9 as the seed RanTable rantable = new RanTable(9, 1, 51); // Set the 1st column to start from 100, with changes between rows from -5 to +5 rantable.setCol(0, 100, -5, 5); // Get the 1st column of the random table as the data set double[] data = rantable.getCol(0); // Create a XYChart object of size 600 x 300 pixels XYChart c = new XYChart(600, 300); // Set the plotarea at (50, 35) and of size 500 x 240 pixels. Enable both the horizontal // and vertical grids by setting their colors to grey (0xc0c0c0) c.setPlotArea(50, 35, 500, 240).setGridColor(0xc0c0c0, 0xc0c0c0); // Add a title to the chart using 18 point Times Bold Itatic font. c.addTitle("LOWESS Generic Curve Fitting Algorithm", "Times New Roman Bold Italic", 18); // Set the y axis line width to 3 pixels c.yAxis().setWidth(3); // Add a title to the x axis using 12pt Arial Bold Italic font c.xAxis().setTitle("Server Load (TPS)", "Arial Bold Italic", 12); // Set the x axis line width to 3 pixels c.xAxis().setWidth(3); // Set the x axis scale from 0 - 50, with major tick every 5 units and minor tick every // 1 unit c.xAxis().setLinearScale(0, 50, 5, 1); // Add a blue layer to the chart LineLayer layer = c.addLineLayer2(); // Add a red (0x80ff0000) data set to the chart with square symbols layer.addDataSet(data, unchecked ((int)0x80ff0000)).setDataSymbol(Chart.SquareSymbol); // Set the line width to 2 pixels layer.setLineWidth(2); // Use lowess for curve fitting, and plot the fitted data using a spline layer with line // width set to 3 pixels c.addSplineLayer(new ArrayMath(data).lowess().result(), 0x0000ff).setLineWidth(3); // Set zero affinity to 0 to make sure the line is displayed in the most detail scale c.yAxis().setAutoScale(0, 0, 0); // Output the chart viewer.Chart = c; //include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("clickable", "", "title='({x}, {value|2})'"); }
// // Create chart // private void createChart(RazorChartViewer viewer) { // Get the selected year and month int selectedYear = int.Parse(Request["year"]); int selectedMonth = int.Parse(Request["x"]) + 1; // // In real life, the data may come from a database based on selectedYear. In this example, we // just use a random number generator. // int seed = (selectedYear - 1992) * (100 + 3 * selectedMonth); RanTable rantable = new RanTable(seed, 1, 4); rantable.setCol(0, seed * 0.003, seed * 0.017); double[] data = rantable.getCol(0); // The labels for the pie chart string[] labels = { "Services", "Hardware", "Software", "Others" }; // Create a PieChart object of size 600 x 240 pixels PieChart c = new PieChart(600, 280); // Set the center of the pie at (300, 140) and the radius to 120 pixels c.setPieSize(300, 140, 120); // Add a title to the pie chart using 18pt Times Bold Italic font c.addTitle("Revenue Breakdown for " + selectedMonth + "/" + selectedYear, "Times New Roman Bold Italic", 18); // Draw the pie in 3D with 20 pixels 3D depth c.set3D(20); // Set label format to display sector label, value and percentage in two lines c.setLabelFormat("{label}<*br*>${value|2}M ({percent}%)"); // Set label style to 10pt Arial Bold Italic font. Set background color to the same as the // sector color, with reduced-glare glass effect and rounded corners. ChartDirector.TextBox t = c.setLabelStyle("Arial Bold Italic", 10); t.setBackground(Chart.SameAsMainColor, Chart.Transparent, Chart.glassEffect( Chart.ReducedGlare)); t.setRoundedCorners(); // Use side label layout method c.setLabelLayout(Chart.SideLayout); // Set the pie data and the pie labels c.setData(data, labels); // Create the image and save it in a temporary location viewer.Image = c.makeWebImage(Chart.PNG); // Create an image map for the chart viewer.ImageMap = c.getHTMLImageMap(Url.Action("", "piestub"), "", "title='{label}:US$ {value|2}M'"); }
// // Create chart // private void createChart(RazorChartViewer viewer) { // Create a finance chart demo containing 100 days of data int noOfDays = 100; // To compute moving averages starting from the first day, we need to get extra data points // before the first day int extraDays = 30; // In this exammple, we use a random number generator utility to simulate the data. We set up // the random table to create 6 cols x (noOfDays + extraDays) rows, using 9 as the seed. RanTable rantable = new RanTable(9, 6, noOfDays + extraDays); // Set the 1st col to be the timeStamp, starting from Sep 4, 2002, with each row representing // one day, and counting week days only (jump over Sat and Sun) rantable.setDateCol(0, new DateTime(2002, 9, 4), 86400, true); // Set the 2nd, 3rd, 4th and 5th columns to be high, low, open and close data. The open value // starts from 100, and the daily change is random from -5 to 5. rantable.setHLOCCols(1, 100, -5, 5); // Set the 6th column as the vol data from 5 to 25 million rantable.setCol(5, 50000000, 250000000); // Now we read the data from the table into arrays double[] timeStamps = rantable.getCol(0); double[] highData = rantable.getCol(1); double[] lowData = rantable.getCol(2); double[] openData = rantable.getCol(3); double[] closeData = rantable.getCol(4); double[] volData = rantable.getCol(5); // Create a FinanceChart object of width 640 pixels FinanceChart c = new FinanceChart(640); // Add a title to the chart c.addTitle("Finance Chart Demonstration"); // Set the data into the finance chart object c.setData(timeStamps, highData, lowData, openData, closeData, volData, extraDays); // Add a slow stochastic chart (75 pixels high) with %K = 14 and %D = 3 c.addSlowStochastic(75, 14, 3, 0x006060, 0x606000); // Add the main chart with 240 pixels in height c.addMainChart(240); // Add a 10 period simple moving average to the main chart, using brown color c.addSimpleMovingAvg(10, 0x663300); // Add a 20 period simple moving average to the main chart, using purple color c.addSimpleMovingAvg(20, 0x9900ff); // Add candlestick symbols to the main chart, using green/red for up/down days c.addCandleStick(0x00ff00, 0xff0000); // Add 20 days donchian channel to the main chart, using light blue (9999ff) as the border // and semi-transparent blue (c06666ff) as the fill color c.addDonchianChannel(20, 0x9999ff, unchecked ((int)0xc06666ff)); // Add a 75 pixels volume bars sub-chart to the bottom of the main chart, using // green/red/grey for up/down/flat days c.addVolBars(75, 0x99ff99, 0xff9999, 0x808080); // Append a MACD(26, 12) indicator chart (75 pixels high) after the main chart, using 9 days // for computing divergence. c.addMACD(75, 26, 12, 9, 0x0000ff, 0xff00ff, 0x008000); // Output the chart viewer.Image = c.makeWebImage(Chart.PNG); }
//Main code for creating chart. //Note: the argument chartIndex is unused because this demo only has 1 chart. public void createChart(WPFChartViewer viewer, int chartIndex) { // Create a finance chart demo containing 100 days of data int noOfDays = 100; // To compute moving averages starting from the first day, we need to get extra data // points before the first day int extraDays = 30; // In this exammple, we use a random number generator utility to simulate the data. We // set up the random table to create 6 cols x (noOfDays + extraDays) rows, using 9 as // the seed. RanTable rantable = new RanTable(9, 6, noOfDays + extraDays); // Set the 1st col to be the timeStamp, starting from Sep 4, 2014, with each row // representing one day, and counting week days only (jump over Sat and Sun) rantable.setDateCol(0, new DateTime(2014, 9, 4), 86400, true); // Set the 2nd, 3rd, 4th and 5th columns to be high, low, open and close data. The open // value starts from 100, and the daily change is random from -5 to 5. rantable.setHLOCCols(1, 100, -5, 5); // Set the 6th column as the vol data from 5 to 25 million rantable.setCol(5, 50000000, 250000000); // Now we read the data from the table into arrays double[] timeStamps = rantable.getCol(0); double[] highData = rantable.getCol(1); double[] lowData = rantable.getCol(2); double[] openData = rantable.getCol(3); double[] closeData = rantable.getCol(4); double[] volData = rantable.getCol(5); // Custom data series should be of the same length as the OHLC data series double[] buySignal = new double[closeData.Length]; double[] sellSignal = new double[closeData.Length]; // // The following is just an arbitrary algorithm to create some meaningless buySignal and // sellSignal. They are just for demonstrating the charting engine. Please do not use // them for actual trading. // double[] sma5 = new ArrayMath(closeData).movAvg(5).result(); double[] sma20 = new ArrayMath(closeData).movAvg(20).result(); for (int i = 0; i < sma5.Length; ++i) { buySignal[i] = Chart.NoValue; sellSignal[i] = Chart.NoValue; if (i > 0) { if ((sma5[i - 1] <= sma20[i - 1]) && (sma5[i] > sma20[i])) { buySignal[i] = lowData[i]; } if ((sma5[i - 1] >= sma20[i - 1]) && (sma5[i] < sma20[i])) { sellSignal[i] = highData[i]; } } } // Create a FinanceChart object of width 640 pixels FinanceChart c = new FinanceChart(640); // Add a title to the chart c.addTitle("Finance Chart with Custom Symbols"); // Set the data into the finance chart object c.setData(timeStamps, highData, lowData, openData, closeData, volData, extraDays); // Add the main chart with 240 pixels in height XYChart mainChart = c.addMainChart(240); // Add buy signal symbols to the main chart, using cyan (0x00ffff) upward pointing // arrows as symbols ScatterLayer buyLayer = mainChart.addScatterLayer(null, buySignal, "Buy", Chart.ArrowShape(0, 1, 0.4, 0.4), 11, 0x00ffff); // Shift the symbol lower by 20 pixels buyLayer.getDataSet(0).setSymbolOffset(0, 20); // Add sell signal symbols to the main chart, using purple (0x9900cc) downward pointing // arrows as symbols ScatterLayer sellLayer = mainChart.addScatterLayer(null, sellSignal, "Sell", Chart.ArrowShape(180, 1, 0.4, 0.4), 11, 0x9900cc); // Shift the symbol higher by 20 pixels sellLayer.getDataSet(0).setSymbolOffset(0, -20); // Add a 5 period simple moving average to the main chart, using brown color c.addSimpleMovingAvg(5, 0x663300); // Add a 20 period simple moving average to the main chart, using purple color c.addSimpleMovingAvg(20, 0x9900ff); // Add candlestick symbols to the main chart, using green/red for up/down days c.addCandleStick(0x66ff66, 0xff6666); // Add a volume indicator chart (75 pixels high) after the main chart, using // green/red/grey for up/down/flat days c.addVolIndicator(75, 0x99ff99, 0xff9999, 0x808080); // Append a 14-days RSI indicator chart (75 pixels high) after the main chart. The main // RSI line is purple (800080). Set threshold region to +/- 20 (that is, RSI = 50 +/- // 25). The upper/lower threshold regions will be filled with red (ff0000)/blue // (0000ff). c.addRSI(75, 14, 0x800080, 20, 0xff0000, 0x0000ff); // Output the chart viewer.Chart = c; }
//Main code for creating chart. //Note: the argument chartIndex is unused because this demo only has 1 chart. public void createChart(WPFChartViewer viewer, int chartIndex) { // // We use a random table to simulate generating 12 months of data // // Create the random table object with 4 cols * 12 rows, using 3 as seed RanTable rantable = new RanTable(3, 4, 12); // Set the 1st column to be the 12 months of year 2002 rantable.setDateCol(0, new DateTime(2002, 1, 1), 86400 * 30); // Set the 2nd, 3rd and 4th columns to be random numbers starting from 125, 75, and 100 // respectively. The change between rows is set to -35 to + 35. The minimum value of any // cell is 0. rantable.setCol(1, 125, -35, 35, 0); rantable.setCol(2, 75, -35, 35, 0); rantable.setCol(3, 100, -35, 35, 0); // Get the 1st column (time) as the x data double[] dataX = rantable.getCol(0); // Get the 2nd, 3rd and 4th columns as 3 data sets double[] dataY0 = rantable.getCol(1); double[] dataY1 = rantable.getCol(2); double[] dataY2 = rantable.getCol(3); // Create a XYChart object of size 360 x 400 pixels XYChart c = new XYChart(360, 400); // Add a title to the chart c.addTitle("<*underline=2*>Rotated Line Chart Demo", "Times New Roman Bold Italic", 14); // Set the plotarea at (60, 75) and of size 190 x 320 pixels. Turn on both horizontal // and vertical grid lines with light grey color (0xc0c0c0) c.setPlotArea(60, 75, 190, 320).setGridColor(0xc0c0c0, 0xc0c0c0); // Add a legend box at (270, 75) c.addLegend(270, 75); // Swap the x and y axis to become a rotated chart c.swapXY(); // Set the y axis on the top side (right + rotated = top) c.setYAxisOnRight(); // Add a title to the y axis c.yAxis().setTitle("Throughput (MBytes)"); // Reverse the x axis so it is pointing downwards c.xAxis().setReverse(); // Add a line chart layer using the given data LineLayer layer = c.addLineLayer2(); layer.setXData(dataX); layer.addDataSet(dataY0, 0xff0000, "Server A"); layer.addDataSet(dataY1, 0x338033, "Server B"); layer.addDataSet(dataY2, 0x0000ff, "Server C"); // Set the line width to 2 pixels layer.setLineWidth(2); // Output the chart viewer.Chart = c; //include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("clickable", "", "title='[{dataSetName}] {x|mm/yyyy}: {value|0} MByte'"); }
//Main code for creating chart. //Note: the argument chartIndex is unused because this demo only has 1 chart. public void createChart(WinChartViewer viewer, int chartIndex) { // Create a finance chart demo containing 100 days of data int noOfDays = 100; // To compute moving averages starting from the first day, we need to get extra data // points before the first day int extraDays = 30; // In this exammple, we use a random number generator utility to simulate the data. We // set up the random table to create 6 cols x (noOfDays + extraDays) rows, using 9 as // the seed. RanTable rantable = new RanTable(9, 6, noOfDays + extraDays); // Set the 1st col to be the timeStamp, starting from Sep 4, 2002, with each row // representing one day, and counting week days only (jump over Sat and Sun) rantable.setDateCol(0, new DateTime(2002, 9, 4), 86400, true); // Set the 2nd, 3rd, 4th and 5th columns to be high, low, open and close data. The open // value starts from 100, and the daily change is random from -5 to 5. rantable.setHLOCCols(1, 100, -5, 5); // Set the 6th column as the vol data from 5 to 25 million rantable.setCol(5, 50000000, 250000000); // Now we read the data from the table into arrays double[] timeStamps = rantable.getCol(0); double[] highData = rantable.getCol(1); double[] lowData = rantable.getCol(2); double[] openData = rantable.getCol(3); double[] closeData = rantable.getCol(4); double[] volData = rantable.getCol(5); // Create a FinanceChart object of width 640 pixels FinanceChart c = new FinanceChart(640); // Add a title to the chart c.addTitle("Finance Chart Demonstration"); // Set the data into the finance chart object c.setData(timeStamps, highData, lowData, openData, closeData, volData, extraDays); // Add the main chart with 240 pixels in height c.addMainChart(240); // Add a 5 period simple moving average to the main chart, using brown color c.addSimpleMovingAvg(5, 0x663300); // Add a 20 period simple moving average to the main chart, using purple color c.addSimpleMovingAvg(20, 0x9900ff); // Add HLOC symbols to the main chart, using green/red for up/down days c.addHLOC(0x008000, 0xcc0000); // Add 20 days bollinger band to the main chart, using light blue (9999ff) as the border // and semi-transparent blue (c06666ff) as the fill color c.addBollingerBand(20, 2, 0x9999ff, unchecked ((int)0xc06666ff)); // Add a 75 pixels volume bars sub-chart to the bottom of the main chart, using // green/red/grey for up/down/flat days c.addVolBars(75, 0x99ff99, 0xff9999, 0x808080); // Append a 14-days RSI indicator chart (75 pixels high) after the main chart. The main // RSI line is purple (800080). Set threshold region to +/- 20 (that is, RSI = 50 +/- // 25). The upper/lower threshold regions will be filled with red (ff0000)/blue // (0000ff). c.addRSI(75, 14, 0x800080, 20, 0xff0000, 0x0000ff); // Append a 12-days momentum indicator chart (75 pixels high) using blue (0000ff) color. c.addMomentum(75, 12, 0x0000ff); // Output the chart viewer.Chart = c; }
// // Create chart // private void createChart(RazorChartViewer viewer) { // // We use a random number generator to simulate the data from 9:30am to 4:30pm with one // data point every 4 minutes. The total number of points during that period is 106. (7 // hours x 15 points/hour + 1) // int noOfPoints = 106; // Assume we have not reached the end of the day yet, and only 85 points are available. // Create a random table object of 1 col x 85 rows, using 9 as seed. RanTable rantable = new RanTable(9, 1, 85); // Set the 1st column to start with 1800 and with random delta from -5 to 5. rantable.setCol(0, 1800, -5, 5); // Get the data as the 1st column of the random table double[] data = rantable.getCol(0); // The x-axis labels for the chart string[] labels = { "-", "10am", "-", " ", "-", "12am", "-", " ", "-", "2pm", "-", " ", "-", "4pm", "-" }; // // Now we obtain the data into arrays, we can start to draw the chart using ChartDirector // // Create a XYChart object of size 180 x 180 pixels with a blue background (0x9c9cce) XYChart c = new XYChart(180, 180, 0x9c9cce); // Add titles to the top and bottom of the chart using 7.5pt Arial font. The text is white // 0xffffff on a deep blue 0x31319C background. c.addTitle2(Chart.Top, "STAR TECH INDEX 2003-01-28", "Arial", 7.5, 0xffffff, 0x31319c); c.addTitle2(Chart.Bottom, "LATEST STI:1809.41 (+14.51)", "Arial", 7.5, 0xffffff, 0x31319c); // Set the plotarea at (31, 21) and of size 145 x 124 pixels, with a pale yellow (0xffffc8) // background. c.setPlotArea(31, 21, 145, 124, 0xffffc8); // Add custom text at (176, 21) (top right corner of plotarea) using 11pt Times Bold Italic // font/red (0xc09090) color c.addText(176, 21, "Chart Demo", "Times New Roman Bold Italic", 11, 0xc09090).setAlignment( Chart.TopRight); // Use 7.5pt Arial as the y axis label font c.yAxis().setLabelStyle("", 7.5); // Set the labels on the x axis by spreading the labels evenly between the first point (index // = 0) and the last point (index = noOfPoints - 1) c.xAxis().setLinearScale(0, noOfPoints - 1, labels); // Use 7.5pt Arial as the x axis label font c.xAxis().setLabelStyle("", 7.5); // Add a deep blue (0x000080) line layer to the chart c.addLineLayer(data, 0x000080); // Output the chart viewer.Image = c.makeWebImage(Chart.PNG); // Include tool tip for the chart. The chart starts at 9:30am and each point spans 240 // seconds, so we can compute the time as {x}*240+9.5*3600. viewer.ImageMap = c.getHTMLImageMap("", "", "title='{={x}*240+9.5*3600|h:nna}: {value|2}'"); }
private void FrmTrackFinance_Load(object sender, EventArgs e) { // Create a finance chart demo containing 100 days of data int noOfDays = 100; // To compute moving averages starting from the first day, we need to get extra data points before // the first day int extraDays = 30; // In this exammple, we use a random number generator utility to simulate the data. We set up the // random table to create 6 cols x (noOfDays + extraDays) rows, using 9 as the seed. RanTable rantable = new RanTable(9, 6, noOfDays + extraDays); // Set the 1st col to be the timeStamp, starting from Sep 4, 2011, with each row representing one // day, and counting week days only (jump over Sat and Sun) rantable.setDateCol(0, new DateTime(2011, 9, 4), 86400, true); // Set the 2nd, 3rd, 4th and 5th columns to be high, low, open and close data. The open value // starts from 100, and the daily change is random from -5 to 5. rantable.setHLOCCols(1, 100, -5, 5); // Set the 6th column as the vol data from 5 to 25 million rantable.setCol(5, 50000000, 250000000); // Now we read the data from the table into arrays double[] timeStamps = rantable.getCol(0); double[] highData = rantable.getCol(1); double[] lowData = rantable.getCol(2); double[] openData = rantable.getCol(3); double[] closeData = rantable.getCol(4); double[] volData = rantable.getCol(5); // Create a FinanceChart object of width 720 pixels FinanceChart c = new FinanceChart(720); // Add a title to the chart c.addTitle("Finance Chart Demonstration"); // Disable default legend box, as we are using dynamic legend c.setLegendStyle("normal", 8, Chart.Transparent, Chart.Transparent); // Set the data into the finance chart object c.setData(timeStamps, highData, lowData, openData, closeData, volData, extraDays); // Add the main chart with 240 pixels in height c.addMainChart(240); // Add a 10 period simple moving average to the main chart, using brown color c.addSimpleMovingAvg(10, 0x663300); // Add a 20 period simple moving average to the main chart, using purple color c.addSimpleMovingAvg(20, 0x9900ff); // Add candlestick symbols to the main chart, using green/red for up/down days c.addCandleStick(0x00ff00, 0xff0000); // Add 20 days bollinger band to the main chart, using light blue (9999ff) as the border and // semi-transparent blue (c06666ff) as the fill color c.addBollingerBand(20, 2, 0x9999ff, unchecked ((int)0xc06666ff)); // Add a 75 pixels volume bars sub-chart to the bottom of the main chart, using green/red/grey for // up/down/flat days c.addVolBars(75, 0x99ff99, 0xff9999, 0x808080); // Append a 14-days RSI indicator chart (75 pixels high) after the main chart. The main RSI line // is purple (800080). Set threshold region to +/- 20 (that is, RSI = 50 +/- 25). The upper/lower // threshold regions will be filled with red (ff0000)/blue (0000ff). c.addRSI(75, 14, 0x800080, 20, 0xff0000, 0x0000ff); // Append a MACD(26, 12) indicator chart (75 pixels high) after the main chart, using 9 days for // computing divergence. c.addMACD(75, 26, 12, 9, 0x0000ff, 0xff00ff, 0x008000); // Include track line with legend for the latest data values trackFinance(c, ((XYChart)c.getChart(0)).getPlotArea().getRightX()); // Assign the chart to the WinChartViewer winChartViewer1.Chart = c; }