[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\financesymbols.cs
using System;
using ChartDirector;
namespace CSharpChartExplorer
{
public class financesymbols : DemoModule
{
//Name of demo module
public string getName() { return "Finance Chart Custom Symbols"; }
//Number of charts produced in this demo module
public int getNoOfCharts() { return 1; }
//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, 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;
}
}
}
[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\financesymbols.vb
Imports System
Imports Microsoft.VisualBasic
Imports ChartDirector
Public Class financesymbols
Implements DemoModule
'Name of demo module
Public Function getName() As String Implements DemoModule.getName
Return "Finance Chart Custom Symbols"
End Function
'Number of charts produced in this demo module
Public Function getNoOfCharts() As Integer Implements DemoModule.getNoOfCharts
Return 1
End Function
'Main code for creating chart.
'Note: the argument chartIndex is unused because this demo only has 1 chart.
Public Sub createChart(viewer As WinChartViewer, chartIndex As Integer) _
Implements DemoModule.createChart
' Create a finance chart demo containing 100 days of data
Dim noOfDays As Integer = 100
' To compute moving averages starting from the first day, we need to get extra data points
' before the first day
Dim extraDays As Integer = 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.
Dim rantable As 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, DateSerial(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
Dim timeStamps() As Double = rantable.getCol(0)
Dim highData() As Double = rantable.getCol(1)
Dim lowData() As Double = rantable.getCol(2)
Dim openData() As Double = rantable.getCol(3)
Dim closeData() As Double = rantable.getCol(4)
Dim volData() As Double = rantable.getCol(5)
' Custom data series should be of the same length as the OHLC data series
Dim buySignal(UBound(closeData)) As Double
Dim sellSignal(UBound(closeData)) As Double
'
' 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.
'
Dim sma5() As Double = New ArrayMath(closeData).movAvg(5).result()
Dim sma20() As Double = New ArrayMath(closeData).movAvg(20).result()
For i As Integer = 0 To UBound(sma5)
buySignal(i) = Chart.NoValue
sellSignal(i) = Chart.NoValue
If i > 0 Then
If (sma5(i - 1) <= sma20(i - 1)) AndAlso (sma5(i) > sma20(i)) Then
buySignal(i) = lowData(i)
End If
If (sma5(i - 1) >= sma20(i - 1)) AndAlso (sma5(i) < sma20(i)) Then
sellSignal(i) = highData(i)
End If
End If
Next
' Create a FinanceChart object of width 640 pixels
Dim c As FinanceChart = 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
Dim mainChart As XYChart = c.addMainChart(240)
' Add buy signal symbols to the main chart, using cyan (0x00ffff) upward pointing arrows as
' symbols
Dim buyLayer As ScatterLayer = mainChart.addScatterLayer(Nothing, buySignal, "Buy", _
Chart.ArrowShape(0, 1, 0.4, 0.4), 11, &H00ffff&)
' 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
Dim sellLayer As ScatterLayer = mainChart.addScatterLayer(Nothing, sellSignal, "Sell", _
Chart.ArrowShape(180, 1, 0.4, 0.4), 11, &H9900cc)
' 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, &H663300)
' Add a 20 period simple moving average to the main chart, using purple color
c.addSimpleMovingAvg(20, &H9900ff)
' Add candlestick symbols to the main chart, using green/red for up/down days
c.addCandleStick(&H66ff66, &Hff6666)
' Add a volume indicator chart (75 pixels high) after the main chart, using green/red/grey
' for up/down/flat days
c.addVolIndicator(75, &H99ff99, &Hff9999, &H808080)
' 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, &H800080, 20, &Hff0000, &H0000ff)
' Output the chart
viewer.Chart = c
End Sub
End Class
[WPF - C#] NetWPFCharts\CSharpWPFCharts\financesymbols.cs
using System;
using ChartDirector;
namespace CSharpWPFCharts
{
public class financesymbols : DemoModule
{
//Name of demo module
public string getName() { return "Finance Chart Custom Symbols"; }
//Number of charts produced in this demo module
public int getNoOfCharts() { return 1; }
//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;
}
}
}
[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\financesymbols.aspx
(Click here on how to convert this code to code-behind style.)<%@ Page Language="C#" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<!DOCTYPE html>
<script runat="server">
//
// Page Load event handler
//
protected void Page_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, 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
WebChartViewer1.Image = c.makeWebImage(Chart.SVG);
}
</script>
<html>
<head>
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body>
<chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>
[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\financesymbols.aspx
(Click here on how to convert this code to code-behind style.)<%@ Page Language="VB" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>
<!DOCTYPE html>
<script runat="server">
'
' Page Load event handler
'
Protected Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)
' Create a finance chart demo containing 100 days of data
Dim noOfDays As Integer = 100
' To compute moving averages starting from the first day, we need to get extra data points
' before the first day
Dim extraDays As Integer = 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.
Dim rantable As 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, DateSerial(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
Dim timeStamps() As Double = rantable.getCol(0)
Dim highData() As Double = rantable.getCol(1)
Dim lowData() As Double = rantable.getCol(2)
Dim openData() As Double = rantable.getCol(3)
Dim closeData() As Double = rantable.getCol(4)
Dim volData() As Double = rantable.getCol(5)
' Custom data series should be of the same length as the OHLC data series
Dim buySignal(UBound(closeData)) As Double
Dim sellSignal(UBound(closeData)) As Double
'
' 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.
'
Dim sma5() As Double = New ArrayMath(closeData).movAvg(5).result()
Dim sma20() As Double = New ArrayMath(closeData).movAvg(20).result()
For i As Integer = 0 To UBound(sma5)
buySignal(i) = Chart.NoValue
sellSignal(i) = Chart.NoValue
If i > 0 Then
If (sma5(i - 1) <= sma20(i - 1)) AndAlso (sma5(i) > sma20(i)) Then
buySignal(i) = lowData(i)
End If
If (sma5(i - 1) >= sma20(i - 1)) AndAlso (sma5(i) < sma20(i)) Then
sellSignal(i) = highData(i)
End If
End If
Next
' Create a FinanceChart object of width 640 pixels
Dim c As FinanceChart = 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
Dim mainChart As XYChart = c.addMainChart(240)
' Add buy signal symbols to the main chart, using cyan (0x00ffff) upward pointing arrows as
' symbols
Dim buyLayer As ScatterLayer = mainChart.addScatterLayer(Nothing, buySignal, "Buy", _
Chart.ArrowShape(0, 1, 0.4, 0.4), 11, &H00ffff&)
' 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
Dim sellLayer As ScatterLayer = mainChart.addScatterLayer(Nothing, sellSignal, "Sell", _
Chart.ArrowShape(180, 1, 0.4, 0.4), 11, &H9900cc)
' 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, &H663300)
' Add a 20 period simple moving average to the main chart, using purple color
c.addSimpleMovingAvg(20, &H9900ff)
' Add candlestick symbols to the main chart, using green/red for up/down days
c.addCandleStick(&H66ff66, &Hff6666)
' Add a volume indicator chart (75 pixels high) after the main chart, using green/red/grey for
' up/down/flat days
c.addVolIndicator(75, &H99ff99, &Hff9999, &H808080)
' 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, &H800080, 20, &Hff0000, &H0000ff)
' Output the chart
WebChartViewer1.Image = c.makeWebImage(Chart.SVG)
End Sub
</script>
<html>
<head>
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body>
<chart:WebChartViewer id="WebChartViewer1" runat="server" />
</body>
</html>
[ASP.NET MVC - Controller] NetMvcCharts\Controllers\FinancesymbolsController.cs
using System;
using System.Web.Mvc;
using ChartDirector;
namespace NetMvcCharts.Controllers
{
public class FinancesymbolsController : Controller
{
//
// Default Action
//
public ActionResult Index()
{
ViewBag.Title = "Finance Chart Custom Symbols";
createChart(ViewBag.Viewer = new RazorChartViewer(HttpContext, "chart1"));
return View("~/Views/Shared/ChartView.cshtml");
}
//
// 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, 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.Image = c.makeWebImage(Chart.SVG);
}
}
}
[ASP.NET MVC - View] NetMvcCharts\Views\Shared\ChartView.cshtml
@{ Layout = null; }
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>@ViewBag.Title</title>
<style>
@ViewBag.Style
</style>
@Scripts.Render("~/Scripts/cdjcv.js")
</head>
<body style="margin:5px 0px 0px 5px">
<div style="font:bold 18pt verdana;">
@ViewBag.Title
</div>
<hr style="border:solid 1px #000080; background:#000080" />
<div>
@{
if (ViewBag.Viewer is Array)
{
// Display multiple charts
for (int i = 0; i < ViewBag.Viewer.Length; ++i)
{
@:@Html.Raw(ViewBag.Viewer[i].RenderHTML())
}
}
else
{
// Display one chart only
@:@Html.Raw(ViewBag.Viewer.RenderHTML())
}
}
</div>
</body>
</html>
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