private void SetupStockChart(NCartesianChart chart)
{
// setup Y axis
NAxis axisY = chart.Axis(StandardAxis.PrimaryY);
axisY.Anchor = new NDockAxisAnchor(AxisDockZone.FrontLeft, false, 40, 100);
NLinearScaleConfigurator scaleY = (NLinearScaleConfigurator)axisY.ScaleConfigurator;
scaleY.MajorGridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleY.InnerMajorTickStyle.Length = new NLength(0);
Color color1 = Color.FromArgb(100, 100, 150);
Color color2 = Color.FromArgb(200, 120, 120);
// setup the stock series
m_Stock = (NStockSeries)chart.Series.Add(SeriesType.Stock);
m_Stock.Name = "Price";
m_Stock.Legend.Mode = SeriesLegendMode.None;
m_Stock.DataLabelStyle.Visible = false;
m_Stock.CandleStyle = CandleStyle.Bar;
m_Stock.HighLowStrokeStyle.Color = color1;
m_Stock.UpStrokeStyle.Color = color1;
m_Stock.DownStrokeStyle.Color = color2;
m_Stock.UpFillStyle = new NColorFillStyle(color1);
m_Stock.DownFillStyle = new NColorFillStyle(color2);
m_Stock.OpenValues.Name = "open";
m_Stock.HighValues.Name = "high";
m_Stock.LowValues.Name = "low";
m_Stock.CloseValues.Name = "close";
m_Stock.CandleWidth = new NLength(0.4f, NRelativeUnit.ParentPercentage);
m_Stock.UseXValues = true;
m_Stock.InflateMargins = true;
}
private void UpdateFunctions(NStockSeries stock, NLineSeries lineDIPos, NLineSeries lineDINeg, NLineSeries lineADX, NFunctionCalculator calc)
{
StringBuilder sb = new StringBuilder();
int nPeriod = PeriodDropDownList.SelectedIndex * 10;
sb.AppendFormat("DI_POS(close; high; low; {0})", nPeriod);
calc.Expression = sb.ToString();
lineDIPos.Values = calc.Calculate();
lineDIPos.XValues = (NDataSeriesDouble)stock.XValues.Clone();
lineDIPos.UseXValues = true;
PosDITextBox.Text = calc.Expression;
sb.Remove(0, sb.Length);
sb.AppendFormat("DI_NEG(close; high; low; {0})", nPeriod);
calc.Expression = sb.ToString();
lineDINeg.Values = calc.Calculate();
lineDINeg.XValues = (NDataSeriesDouble)stock.XValues.Clone();
lineDINeg.UseXValues = true;
NegDITextBox.Text = calc.Expression;
sb.Remove(0, sb.Length);
sb.AppendFormat("MMA(DMI(close; high; low; {0}); {0})", nPeriod);
calc.Expression = sb.ToString();
lineADX.Values = calc.Calculate();
lineADX.XValues = (NDataSeriesDouble)stock.XValues.Clone();
lineADX.UseXValues = true;
ADXTextBox.Text = calc.Expression;
}
private void GenerateData(NStockSeries stock)
{
GenerateOHLCData(stock, 200);
DateTime dt = new DateTime(2006, 5, 15);
for (int i = 0; i < 200; i++)
{
stock.XValues.Add(dt.ToOADate());
dt += new TimeSpan(1, 0, 0, 0);
}
NMarkerStyle ms1 = new NMarkerStyle();
ms1.Visible = true;
ms1.PointShape = PointShape.Ellipse;
ms1.FillStyle = new NColorFillStyle(Color.Red);
ms1.Width = new NLength(0.4f, NRelativeUnit.ParentPercentage);;
ms1.Height = new NLength(0.4f, NRelativeUnit.ParentPercentage);;
ms1.VertAlign = VertAlign.Bottom;
stock.MarkerStyles[20] = ms1;
NMarkerStyle ms2 = new NMarkerStyle();
ms2.Visible = true;
ms2.PointShape = PointShape.Ellipse;
ms2.FillStyle = new NColorFillStyle(Color.Red);
ms2.Width = new NLength(0.4f, NRelativeUnit.ParentPercentage);;
ms2.Height = new NLength(0.4f, NRelativeUnit.ParentPercentage);;
ms2.VertAlign = VertAlign.Top;
stock.MarkerStyles[80] = ms2;
}
private void SetupStockChart(NCartesianChart chart)
{
// setup Y axis
NLinearScaleConfigurator scaleY = new NLinearScaleConfigurator();
scaleY.MajorGridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleY.InnerMajorTickStyle.Length = new NLength(0);
NAxis axisY = chart.Axis(StandardAxis.PrimaryY);
axisY.ScaleConfigurator = scaleY;
// setup the stock series
m_Stock = (NStockSeries)chart.Series.Add(SeriesType.Stock);
m_Stock.Name = "Price";
m_Stock.Legend.Mode = SeriesLegendMode.None;
m_Stock.DataLabelStyle.Visible = false;
m_Stock.CandleStyle = CandleStyle.Stick;
m_Stock.UpStrokeStyle.Color = Color.RoyalBlue;
m_Stock.OpenValues.Name = "open";
m_Stock.HighValues.Name = "high";
m_Stock.LowValues.Name = "low";
m_Stock.CloseValues.Name = "close";
m_Stock.CandleWidth = new NLength(0.5f, NRelativeUnit.ParentPercentage);
m_Stock.UseXValues = true;
m_Stock.InflateMargins = true;
}
void INCustomRequestCallback.OnCustomRequestCallback(NAspNetThinWebControl control, NRequestContext context, string argument)
{
NThinChartControl chartControl = (NThinChartControl)control;
// make sure chart is recalculated
chartControl.RecalcLayout();
NChart chart = chartControl.Charts[0];
NStockSeries stock = (NStockSeries)chart.Series[0];
switch (argument)
{
case "LastWeek":
{
DateTime dt = DateTime.FromOADate((double)stock.XValues[stock.XValues.Count - 1]);
chart.Axis(StandardAxis.PrimaryX).PagingView.ZoomIn(new NRange1DD(dt.AddDays(-7).ToOADate(), dt.ToOADate()), 0.00001);
}
break;
case "LastMonth":
{
DateTime dt = DateTime.FromOADate((double)stock.XValues[stock.XValues.Count - 1]);
chart.Axis(StandardAxis.PrimaryX).PagingView.ZoomIn(new NRange1DD(dt.AddMonths(-1).ToOADate(), dt.ToOADate()), 0.00001);
}
break;
case "LastYear":
chart.Axis(StandardAxis.PrimaryX).PagingView.Enabled = false;
break;
}
chartControl.Update();
}
private void GenerateData(NStockSeries stock)
{
const double initialPrice = 100;
const int numDataPoits = 50;
WebExamplesUtilities.GenerateOHLCData(stock, initialPrice, numDataPoits);
FillStockDates(stock, numDataPoits, new DateTime(2010, 1, 11));
}
private NPointD GetLowPointFromStock(NStockSeries stock, int dataPointIndex)
{
NPointD result;
result.X = (double)stock.XValues[dataPointIndex];
result.Y = (double)stock.LowValues[dataPointIndex];
return(result);
}
private void BuildExpression(NStockSeries stock, NSeries line)
{
NDataSeriesDouble arg;
StringBuilder sb = new StringBuilder();
int nPeriod = PeriodDropDownList.SelectedIndex;
arg = stock.OpenValues;
switch (ApplyFunctionToDropDownList.SelectedIndex)
{
case 0:
arg = stock.OpenValues;
break;
case 1:
arg = stock.HighValues;
break;
case 2:
arg = stock.LowValues;
break;
case 3:
arg = stock.CloseValues;
break;
}
switch (FunctionDropDownList.SelectedIndex)
{
case 0:
sb.AppendFormat("SMA({0}; {1})", arg.Name, nPeriod);
line.Name = "Simple Moving Average";
break;
case 1:
sb.AppendFormat("WMA({0}; {1})", arg.Name, nPeriod);
line.Name = "Weighted Moving Average";
break;
case 2:
sb.AppendFormat("EMA({0}; {1})", arg.Name, nPeriod);
line.Name = "Exponential Moving Average";
break;
case 3:
sb.AppendFormat("MMA({0}; {1})", arg.Name, nPeriod);
line.Name = "Modified Moving Average";
break;
}
nFunction.Arguments.Clear();
nFunction.Arguments.Add(arg);
nFunction.Expression = sb.ToString();
// form controls
ExpressionTextBox.Text = nFunction.Expression;
}
protected void Page_Load(object sender, System.EventArgs e)
{
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
// set a chart title
NLabel header = nChartControl1.Labels.AddFooter("Volume Indicators");
header.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
header.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
header.ContentAlignment = ContentAlignment.BottomRight;
header.Location = new NPointL(
new NLength(2, NRelativeUnit.ParentPercentage),
new NLength(2, NRelativeUnit.ParentPercentage));
// setup charts
NCartesianChart chart = (NCartesianChart)nChartControl1.Charts[0];
chart.BoundsMode = BoundsMode.Stretch;
chart.Location = new NPointL(new NLength(5, NRelativeUnit.ParentPercentage), new NLength(15, NRelativeUnit.ParentPercentage));
chart.Size = new NSizeL(new NLength(90, NRelativeUnit.ParentPercentage), new NLength(80, NRelativeUnit.ParentPercentage));
SetupTimeScale(chart.Axis(StandardAxis.PrimaryX));
NStockSeries stock = SetupStockChart(chart);
NAreaSeries volume = SetupVolumeChart(chart);
NLineSeries line = SetupIndicatorChart(chart);
// form controls
if (!IsPostBack)
{
FunctionDropDownList.Items.Add("Accumulation Distribution");
FunctionDropDownList.Items.Add("Chaikin Oscillator");
FunctionDropDownList.Items.Add("Ease of Movement");
FunctionDropDownList.Items.Add("Money Flow Index");
FunctionDropDownList.Items.Add("Negative Volume Index");
FunctionDropDownList.Items.Add("On Balance Volume");
FunctionDropDownList.Items.Add("Positive Volume Index");
FunctionDropDownList.Items.Add("Price and Volume Trend");
FunctionDropDownList.SelectedIndex = 0;
WebExamplesUtilities.FillComboWithValues(ParameterDropDownList, 0, 100, 10);
ParameterDropDownList.SelectedIndex = 1;
}
NFunctionCalculator function = new NFunctionCalculator();
// generate data
GenerateData(stock, volume, line);
GenerateVolumeData(volume, prevVolumeValue, numDataPoits);
UpdateFunction(stock, volume, line, function);
line.Values = function.Calculate();
line.XValues = (NDataSeriesDouble)stock.XValues.Clone();
volume.XValues = (NDataSeriesDouble)stock.XValues.Clone();
}
private void FinancialMarkerCombo_SelectedIndexChanged(object sender, System.EventArgs e)
{
NChart chart = nChartControl1.Charts[0];
NStockSeries stock = (NStockSeries)chart.Series[chart.Series.Count - 1];
NLineStudy lineStudy = null;
Color lineColor = Color.Crimson;
switch (FinancialMarkerCombo.SelectedIndex)
{
case 0:
lineStudy = new NFibonacciArcs();
TrendlineModeCombo.Enabled = false;
break;
case 1:
lineStudy = new NFibonacciFans();
TrendlineModeCombo.Enabled = true;
break;
case 2:
lineStudy = new NFibonacciRetracements();
((NFibonacciRetracements)lineStudy).RetracementsStrokeStyle.Color = lineColor;
TrendlineModeCombo.Enabled = true;
break;
case 3:
lineStudy = new NSpeedResistanceLines();
TrendlineModeCombo.Enabled = true;
break;
case 4:
lineStudy = new NQuadrantLines();
((NQuadrantLines)lineStudy).CentralLineStrokeStyle.Color = lineColor;
TrendlineModeCombo.Enabled = false;
break;
case 5:
lineStudy = new NTrendLine();
TrendlineModeCombo.Enabled = true;
break;
default:
return;
}
UpdateLineStudyAnchor(stock, lineStudy);
// set the primary line color
lineStudy.StrokeStyle.Color = lineColor;
InsertFinancialMarker(chart, lineStudy);
SetTextVisibility();
lineStudy.TrendLineMode = (TrendLineMode)TrendlineModeCombo.SelectedIndex;
nChartControl1.Refresh();
}
private void GenerateOHLCData(NStockSeries stock, double dPrevClose)
{
double dGrowProbability = 0.0;
double open, high, low, close;
stock.ClearDataPoints();
Random random = new Random();
for (int nIndex = 0; nIndex < 200; nIndex++)
{
open = dPrevClose;
if (dPrevClose < 25)
{
dGrowProbability = 1.0;
}
else
{
if (((nIndex >= 20) && (nIndex <= 80)) || ((nIndex >= 120) && (nIndex <= 180)))
{
dGrowProbability = 0.75;
}
else
{
dGrowProbability = 0.25;
}
}
if (Random.NextDouble() < dGrowProbability)
{
// upward price change
close = open + (2 + (Random.NextDouble() * 20));
high = close + (Random.NextDouble() * 10);
low = open - (Random.NextDouble() * 10);
}
else
{
// downward price change
close = open - (2 + (Random.NextDouble() * 20));
high = open + (Random.NextDouble() * 10);
low = close - (Random.NextDouble() * 10);
}
if (low < 1)
{
low = 1;
}
dPrevClose = close;
stock.OpenValues.Add(open);
stock.HighValues.Add(high);
stock.LowValues.Add(low);
stock.CloseValues.Add(close);
}
}
internal void GenerateOHLCData(NStockSeries s, double dPrevClose, int historicalDays)
{
DateTime now = DateTime.Now;
NTimeline timeline = m_Calendar.CreateTimeline(new NDateTimeRange(now, now + new TimeSpan(360, 0, 0, 0, 0)));
double open, high, low, close;
s.ClearDataPoints();
int numberOfWorkingDays = historicalDays;
if (ZoomModeDropDownList.SelectedIndex == 0)
{
numberOfWorkingDays += 7;
}
else
{
numberOfWorkingDays += 31;
}
for (; numberOfWorkingDays > 0; numberOfWorkingDays--)
{
open = dPrevClose;
if (dPrevClose < 25 || Random.NextDouble() > 0.5)
{
// upward price change
close = open + (2 + (Random.NextDouble() * 20));
high = close + (Random.NextDouble() * 10);
low = open - (Random.NextDouble() * 10);
}
else
{
// downward price change
close = open - (2 + (Random.NextDouble() * 20));
high = open + (Random.NextDouble() * 10);
low = close - (Random.NextDouble() * 10);
}
if (low < 1)
{
low = 1;
}
dPrevClose = close;
s.OpenValues.Add(open);
s.HighValues.Add(high);
s.LowValues.Add(low);
s.CloseValues.Add(close);
s.XValues.Add(now.ToOADate());
// advance to next working day
now = timeline.AddTimeSpan(now, new NDateTimeSpan(1, NDateTimeUnit.Day));
}
}
private void GenerateStockData(NStockSeries stock, int count, double dPrevClose)
{
DateTime dt = new DateTime(2006, 5, 15);
double dGrowProbability = 0.0;
double open, high, low, close;
stock.ClearDataPoints();
for (int nIndex = 0; nIndex < count; nIndex++)
{
open = dPrevClose;
if ((nIndex % 100) <= 20)
{
// downtrend
dGrowProbability = 0.20;
}
else
{
// uptrend
dGrowProbability = 0.75;
}
if (Random.NextDouble() < dGrowProbability)
{
// upward price change
close = open + 2 + (Random.NextDouble() * 20);
high = close + (Random.NextDouble() * 10);
low = open - (Random.NextDouble() * 10);
}
else
{
// downward price change
close = open - (2 + (Random.NextDouble() * 20));
high = open + (Random.NextDouble() * 10);
low = close - (Random.NextDouble() * 10);
}
if (low < 1)
{
low = 1;
}
dPrevClose = close;
stock.OpenValues.Add(open);
stock.HighValues.Add(high);
stock.LowValues.Add(low);
stock.CloseValues.Add(close);
stock.XValues.Add(dt.ToOADate());
dt += new TimeSpan(1, 0, 0, 0);
}
}
private void GenerateData(NStockSeries stock, NAreaSeries volume, NLineSeries line)
{
WebExamplesUtilities.GenerateOHLCData(stock, prevCloseValue, numDataPoits);
FillStockDates(stock, numDataPoits, new DateTime(2010, 1, 11));
GenerateVolumeData(volume, prevVolumeValue, numDataPoits);
volume.XValues.Clear();
volume.XValues.AddRange(stock.XValues);
line.XValues.Clear();
line.XValues.AddRange(stock.XValues);
}
internal void GenerateOHLCData(NStockSeries s, double dPrevClose, int nCount, NRange1DD range)
{
double open, high, low, close;
s.ClearDataPoints();
for (int nIndex = 0; nIndex < nCount; nIndex++)
{
open = dPrevClose;
bool upward = false;
if (range.Begin > dPrevClose)
{
upward = true;
}
else if (range.End < dPrevClose)
{
upward = false;
}
else
{
upward = Random.NextDouble() > 0.5;
}
if (upward)
{
// upward price change
close = open + (2 + (Random.NextDouble() * 20));
high = close + (Random.NextDouble() * 10);
low = open - (Random.NextDouble() * 10);
}
else
{
// downward price change
close = open - (2 + (Random.NextDouble() * 20));
high = open + (Random.NextDouble() * 10);
low = close - (Random.NextDouble() * 10);
}
if (low < 1)
{
low = 1;
}
dPrevClose = close;
s.OpenValues.Add(open);
s.HighValues.Add(high);
s.LowValues.Add(low);
s.CloseValues.Add(close);
}
}
private void SetupStockChart(NCartesianChart chart)
{
chart.Projection.SetPredefinedProjection(PredefinedProjection.Orthogonal);
chart.LightModel.EnableLighting = false;
chart.Axis(StandardAxis.Depth).Visible = false;
chart.Wall(ChartWallType.Floor).Visible = false;
chart.Wall(ChartWallType.Left).Visible = false;
chart.BoundsMode = BoundsMode.Stretch;
chart.Location = new NPointL(
new NLength(5, NRelativeUnit.ParentPercentage),
new NLength(10, NRelativeUnit.ParentPercentage));
chart.Size = new NSizeL(
new NLength(90, NRelativeUnit.ParentPercentage),
new NLength(50, NRelativeUnit.ParentPercentage));
// setup X axis
NAxis axis = chart.Axis(StandardAxis.PrimaryX);
NOrdinalScaleConfigurator ordinalScale = (NOrdinalScaleConfigurator)axis.ScaleConfigurator;
ordinalScale.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
ordinalScale.MajorGridStyle.SetShowAtWall(ChartWallType.Back, true);
ordinalScale.MajorGridStyle.SetShowAtWall(ChartWallType.Floor, false);
ordinalScale.InnerMajorTickStyle.Length = new NLength(0);
// setup Y axis
axis = chart.Axis(StandardAxis.PrimaryY);
NLinearScaleConfigurator linearScale = (NLinearScaleConfigurator)axis.ScaleConfigurator;
linearScale.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
linearScale.MajorGridStyle.SetShowAtWall(ChartWallType.Left, false);
linearScale.InnerMajorTickStyle.Length = new NLength(0);
NScaleStripStyle stripStyle = new NScaleStripStyle(new NColorFillStyle(Color.Beige), null, true, 0, 0, 1, 1);
stripStyle.Interlaced = true;
stripStyle.SetShowAtWall(ChartWallType.Back, true);
linearScale.StripStyles.Add(stripStyle);
// setup the stock series
m_Stock = (NStockSeries)chart.Series.Add(SeriesType.Stock);
m_Stock.Name = "Price";
m_Stock.Legend.Mode = SeriesLegendMode.None;
m_Stock.DataLabelStyle.Visible = false;
m_Stock.CandleStyle = CandleStyle.Stick;
m_Stock.UpStrokeStyle.Color = Color.RoyalBlue;
m_Stock.OpenValues.Name = "open";
m_Stock.HighValues.Name = "high";
m_Stock.LowValues.Name = "low";
m_Stock.CloseValues.Name = "close";
m_Stock.CandleWidth = new NLength(0.5f, NRelativeUnit.ParentPercentage);
}
private void CalculateFunctions(NStockSeries stock, NLineSeries lineUpper, NLineSeries lineLower, NLineSeries lineSMA, NFunctionCalculator upperCalculator,
NFunctionCalculator lowerCalculator, NFunctionCalculator SMACalculator)
{
lineUpper.Values = upperCalculator.Calculate();
lineLower.Values = lowerCalculator.Calculate();
lineSMA.Values = SMACalculator.Calculate();
lineUpper.XValues = (NDataSeriesDouble)stock.XValues.Clone();
lineUpper.UseXValues = true;
lineLower.XValues = (NDataSeriesDouble)stock.XValues.Clone();
lineLower.UseXValues = true;
lineSMA.XValues = (NDataSeriesDouble)stock.XValues.Clone();
lineSMA.UseXValues = true;
}
private NCartesianChart CreateStockChart()
{
NCartesianChart chart = new NCartesianChart();
chart.DockMode = PanelDockMode.Top;
chart.Size = new NSizeL(new NLength(0), new NLength(55, NRelativeUnit.ParentPercentage));
chart.Margins = new NMarginsL(5, 5, 5, 0);
chart.BackgroundFillStyle = new NColorFillStyle(Color.FromArgb(125, Color.White));
chart.BoundsMode = BoundsMode.Stretch;
chart.Padding = new NMarginsL(5, 5, 5, 0);
// setup X axis
NAxis axis = chart.Axis(StandardAxis.PrimaryX);
NOrdinalScaleConfigurator ordinalScale = (NOrdinalScaleConfigurator)axis.ScaleConfigurator;
ordinalScale.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
ordinalScale.MajorGridStyle.SetShowAtWall(ChartWallType.Back, true);
ordinalScale.MajorGridStyle.SetShowAtWall(ChartWallType.Floor, false);
ordinalScale.InnerMajorTickStyle.Length = new NLength(0);
// setup Y axis
axis = chart.Axis(StandardAxis.PrimaryY);
NLinearScaleConfigurator linearScale = (NLinearScaleConfigurator)axis.ScaleConfigurator;
linearScale.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
linearScale.MajorGridStyle.SetShowAtWall(ChartWallType.Left, false);
linearScale.InnerMajorTickStyle.Length = new NLength(0);
NScaleStripStyle stripStyle = new NScaleStripStyle(new NColorFillStyle(Color.Beige), null, true, 0, 0, 1, 1);
stripStyle.Interlaced = true;
stripStyle.SetShowAtWall(ChartWallType.Back, true);
linearScale.StripStyles.Add(stripStyle);
// setup the stock series
m_Stock = (NStockSeries)chart.Series.Add(SeriesType.Stock);
m_Stock.Name = "Price";
m_Stock.Legend.Mode = SeriesLegendMode.None;
m_Stock.DataLabelStyle.Visible = false;
m_Stock.CandleStyle = CandleStyle.Stick;
m_Stock.UpStrokeStyle.Color = Color.RoyalBlue;
m_Stock.OpenValues.Name = "open";
m_Stock.HighValues.Name = "high";
m_Stock.LowValues.Name = "low";
m_Stock.CloseValues.Name = "close";
m_Stock.CandleWidth = new NLength(0.5f, NRelativeUnit.ParentPercentage);
return(chart);
}
private void ExportToDataTable_Click(object sender, System.EventArgs e)
{
NChart chart = nChartControl1.Charts[0];
NDataSeriesCollection arrSeries = new NDataSeriesCollection();
string sTableName = "";
switch (ChartCombo.SelectedIndex)
{
case 0: // Bar Chart
NBarSeries bar = (NBarSeries)chart.Series[0];
sTableName = "Bar Chart";
arrSeries.Add(bar.Values, DataSeriesMask.Values);
arrSeries.Add(bar.Labels, DataSeriesMask.Labels);
break;
case 1: // Line Chart With X Values
NLineSeries line = (NLineSeries)chart.Series[0];
sTableName = "Line Chart";
arrSeries.Add(line.Values, DataSeriesMask.Values);
arrSeries.Add(line.XValues, DataSeriesMask.XValues);
arrSeries.Add(line.Labels, DataSeriesMask.Labels);
break;
case 2: // Pie Chart with detachments
NPieSeries pie = (NPieSeries)chart.Series[0];
sTableName = "Pie Chart";
arrSeries.Add(pie.Values, DataSeriesMask.Values);
arrSeries.Add(pie.Detachments, DataSeriesMask.PieDetachments);
arrSeries.Add(pie.Labels, DataSeriesMask.Labels);
break;
case 3: // Open - High - Low - Close
NStockSeries stock = (NStockSeries)chart.Series[0];
sTableName = "Stock Chart";
arrSeries.Add(stock.OpenValues, DataSeriesMask.StockOpenValues);
arrSeries.Add(stock.HighValues, DataSeriesMask.StockHighValues);
arrSeries.Add(stock.LowValues, DataSeriesMask.StockLowValues);
arrSeries.Add(stock.CloseValues, DataSeriesMask.StockCloseValues);
break;
}
dataView1.Table = arrSeries.ExportToDataTable(sTableName);
nChartControl1.Refresh();
}
/// <summary>
///
/// </summary>
/// <returns></returns>
protected override NWidget CreateExampleContent()
{
NChartView chartView = CreateCartesianChartView();
// configure title
chartView.Surface.Titles[0].Text = "Value Timeline Scale";
// configure chart
m_Chart = (NCartesianChart)chartView.Surface.Charts[0];
// configure axes
m_Chart.SetPredefinedCartesianAxes(ENPredefinedCartesianAxis.XOrdinalYLinear);
// setup X axis
NCartesianAxis axis = m_Chart.Axes[ENCartesianAxis.PrimaryX];
m_TimeLineScale = new NValueTimelineScale();
axis.Scale = m_TimeLineScale;
// setup primary Y axis
axis = m_Chart.Axes[ENCartesianAxis.PrimaryY];
NLinearScale linearScale = (NLinearScale)axis.Scale;
// configure ticks and grid lines
linearScale.MajorGridLines.Stroke = new NStroke(NColor.LightGray);
linearScale.InnerMajorTicks.Visible = false;
// add interlaced stripe
NScaleStrip strip = new NScaleStrip();
strip.Fill = new NColorFill(NColor.Beige);
strip.Interlaced = true;
linearScale.Strips.Add(strip);
// Setup the stock series
m_Stock = new NStockSeries();
m_Chart.Series.Add(m_Stock);
m_Stock.DataLabelStyle = new NDataLabelStyle(false);
m_Stock.CandleShape = ENCandleShape.Stick;
m_Stock.CandleWidth = 4;
m_Stock.UseXValues = true;
chartView.Document.StyleSheets.ApplyTheme(new NChartTheme(ENChartPalette.Bright, false));
OnWeeklyDataButtonClick(null);
return(chartView);
}
private void BuildExpression(NFunctionCalculator nFunction, NStockSeries stock, NSeries line)
{
NDataSeriesDouble arg;
StringBuilder sb = new StringBuilder();
int nPeriod = 10;
arg = stock.OpenValues;
arg = stock.OpenValues;
sb.AppendFormat("SMA({0}; {1})", arg.Name, nPeriod);
line.Name = "Simple Moving Average";
nFunction.Arguments.Clear();
nFunction.Arguments.Add(arg);
nFunction.Expression = sb.ToString();
}
private void SetDataToChart(IEnumerable <WeatherData> data)
{
IntitChart();
NChart chart = nChartControl1.Charts[0];
NStockSeries stock = (NStockSeries)chart.Series[chart.Series.Count - 1];
foreach (var d in data)
{
stock.OpenValues.Add(d.LowTemp);
stock.HighValues.Add(d.MaxTemp);
stock.LowValues.Add(d.LowTemp);
stock.CloseValues.Add(d.Temp);
stock.XValues.Add(d.DateTime.ToOADate());
}
nChartControl1.Refresh();
}
protected void FillStockDates(NStockSeries stock, int count, DateTime startDate)
{
stock.XValues.Clear();
DateTime dt = startDate;
for (int i = 0; i < count;)
{
if (dt.DayOfWeek != DayOfWeek.Saturday && dt.DayOfWeek != DayOfWeek.Sunday)
{
stock.XValues.Add(dt.ToOADate());
i++;
}
dt = dt.AddDays(1);
}
}
private void GenerateData(NStockSeries s, NWorkCalendar calendar, double dPrevClose, int nCount)
{
DateTime now = DateTime.Now;
NTimeline timeline = calendar.CreateTimeline(new NDateTimeRange(now, now + new TimeSpan(730, 0, 0, 0, 0)));
double open, high, low, close;
s.ClearDataPoints();
Random random = new Random();
for (int nIndex = 0; nIndex < nCount; nIndex++)
{
open = dPrevClose;
if (dPrevClose < 25 || random.NextDouble() > 0.5)
{
// upward price change
close = open + (2 + (random.NextDouble() * 20));
high = close + (random.NextDouble() * 10);
low = open - (random.NextDouble() * 10);
}
else
{
// downward price change
close = open - (2 + (random.NextDouble() * 20));
high = open + (random.NextDouble() * 10);
low = close - (random.NextDouble() * 10);
}
if (low < 1)
{
low = 1;
}
dPrevClose = close;
s.OpenValues.Add(open);
s.HighValues.Add(high);
s.LowValues.Add(low);
s.CloseValues.Add(close);
s.XValues.Add(now.ToOADate());
// advance to next working day
now = timeline.AddTimeSpan(now, new NDateTimeSpan(1, NDateTimeUnit.Day));
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
protected override NWidget CreateExampleContent()
{
NChartView chartView = CreateCartesianChartView();
// configure title
chartView.Surface.Titles[0].Text = "Candle Stock";
// configure chart
m_Chart = (NCartesianChart)chartView.Surface.Charts[0];
m_Chart.SetPredefinedCartesianAxes(ENPredefinedCartesianAxis.XYLinear);
// setup X axis
NCartesianAxis axis = m_Chart.Axes[ENCartesianAxis.PrimaryX];
axis.Scale = new NValueTimelineScale();
// setup primary Y axis
axis = m_Chart.Axes[ENCartesianAxis.PrimaryY];
NLinearScale linearScale = (NLinearScale)axis.Scale;
// configure ticks and grid lines
linearScale.MajorGridLines.Stroke = new NStroke(NColor.LightGray);
linearScale.InnerMajorTicks.Visible = false;
// add interlaced stripe
NScaleStrip strip = new NScaleStrip();
strip.Fill = new NColorFill(NColor.Beige);
strip.Interlaced = true;
linearScale.Strips.Add(strip);
// Setup the stock series
m_Stock = new NStockSeries();
m_Chart.Series.Add(m_Stock);
m_Stock.DataLabelStyle = new NDataLabelStyle(false);
m_Stock.CandleShape = ENCandleShape.Rectangle;
m_Stock.CandleWidth = 4;
m_Stock.UseXValues = true;
GenerateData();
return(chartView);
}
private void LoadFromFileButton_Click(object sender, System.EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "Binary(*.bin)|*.bin|XML(*.xml)|*.xml|All files (*.*)|*.*";
if (dlg.ShowDialog() != DialogResult.OK)
{
return;
}
try
{
NSerializationFilter filter = GetSeriazliationFilter();
nChartControl1.Serializer.LoadControlStateFromFile(dlg.FileName, (PersistencyFormat)SerializationFormatComboBox.SelectedIndex, filter);
// update form members
if (nChartControl1.Charts.Count > 0)
{
m_Chart = nChartControl1.Charts[0];
foreach (NSeriesBase series in m_Chart.Series)
{
if (series is NHighLowSeries)
{
m_HighLow = (NHighLowSeries)series;
}
else if (series is NLineSeries)
{
m_LineSMA = (NLineSeries)series;
}
else if (series is NStockSeries)
{
m_Stock = (NStockSeries)series;
}
}
}
nChartControl1.Refresh();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public static void GenerateOHLCData(NStockSeries s, double dPrevClose, int nCount, NRange1DD range)
{
double open, high, low, close;
s.ClearDataPoints();
for (int nIndex = 0; nIndex < nCount; nIndex++)
{
GenerateOHLCDataPoint(dPrevClose, range, out open, out high, out low, out close);
dPrevClose = close;
s.OpenValues.Add(open);
s.HighValues.Add(high);
s.LowValues.Add(low);
s.CloseValues.Add(close);
}
}
private void UpdateLineStudyAnchor(NStockSeries stock, NLineStudy lineStudy)
{
switch (FinancialMarkerCombo.SelectedIndex)
{
case 0: // Fibonacci Arcs
case 1: // Fibonacci Fans
case 2: // Fibonacci Retracements
case 3: // Speed Resistance Lines
case 4: // Quadrant Lines
lineStudy.BeginPoint = GetLowPointFromStock(stock, m_nMinIndex1);
lineStudy.EndPoint = GetHighPointFromStock(stock, m_nMaxIndex2);
break;
case 5: // Trend Line
lineStudy.BeginPoint = GetLowPointFromStock(stock, m_nMinIndex1);
lineStudy.EndPoint = GetLowPointFromStock(stock, m_nMaxIndex2);
break;
}
}
private void CalculateFunction(NStockSeries stock, NLineSeries line)
{
StringBuilder sb = new StringBuilder();
NFunctionCalculator function = new NFunctionCalculator();
function.Arguments.Clear();
switch (FunctionDropDownList.SelectedIndex)
{
case 0:
sb.AppendFormat("MEDIANPRICE({0}; {1})", stock.HighValues.Name, stock.LowValues.Name);
line.Name = "Median Price";
break;
case 1:
sb.AppendFormat("TYPICALPRICE({0}; {1}; {2})", stock.CloseValues.Name, stock.HighValues.Name, stock.LowValues.Name);
line.Name = "Typical Price";
break;
case 2:
sb.AppendFormat("WEIGHTEDCLOSE({0}; {1}; {2})", stock.CloseValues.Name, stock.HighValues.Name, stock.LowValues.Name);
line.Name = "Weighted Close";
break;
default:
return;
}
function.Expression = sb.ToString();
function.Arguments.Clear();
function.Arguments.Add(stock.CloseValues);
function.Arguments.Add(stock.HighValues);
function.Arguments.Add(stock.LowValues);
line.XValues = (NDataSeriesDouble)stock.XValues.Clone();
line.UseXValues = true;
line.Values = function.Calculate();
// form controls
ExpressionLabel.Text = function.Expression;
}
private int FindLocalMax(NStockSeries stock, int index)
{
double maxValue = (double)stock.HighValues[index];
int maxIndex = index;
int from = Math.Max(0, index - 10);
int to = Math.Min(index + 10, stock.LowValues.Count - 1);
for (int i = from; i <= to; i++)
{
double value = (double)stock.HighValues[i];
if (value > maxValue)
{
maxValue = value;
maxIndex = i;
}
}
return(maxIndex);
}
