private void GenerateData(DateTime dtStart, DateTime dtEnd, NDateTimeSpan span)
{
long count = span.GetSpanCountInRange(new NDateTimeRange(dtStart, dtEnd));
WebExamplesUtilities.GenerateOHLCData(m_Stock, 100, (int)count);
m_Stock.XValues.Clear();
DateTime dtNow = dtStart;
for (int i = 0; i < m_Stock.Values.Count; i++)
{
m_Stock.XValues.Add(dtNow.ToOADate());
dtNow = span.Add(dtNow);
}
}
void GenerateData()
{
// generate data for 30 weeks
DateTime dtNow = DateTime.Now;
DateTime dtEnd = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 7, 0, 0, 0);
DateTime dtStart = NDateTimeUnit.Week.Add(dtEnd, -30);
NDateTimeSpan span = new NDateTimeSpan(1, NDateTimeUnit.Day);
long count = span.GetSpanCountInRange(new NDateTimeRange(dtStart, dtEnd));
double open, high, low, close;
m_Stock.DataPoints.Clear();
Random random = new Random();
double prevClose = 100;
for (int nIndex = 0; nIndex < count; nIndex++)
{
open = prevClose;
if (prevClose < 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;
}
prevClose = close;
m_Stock.DataPoints.Add(new NStockDataPoint(NDateTimeHelpers.ToOADate(dtNow), open, close, high, low));
dtNow = span.Add(dtNow);
}
}
private void GenerateData(DateTime dtStart, DateTime dtEnd, NDateTimeSpan span)
{
long count = span.GetSpanCountInRange(new NDateTimeRange(dtStart, dtEnd));
WebExamplesUtilities.GenerateOHLCData(m_Stock, 100, (int)count);
m_Stock.XValues.Clear();
DateTime dtNow = dtStart;
for (int i = 0; i < m_Stock.Values.Count; i++)
{
m_Stock.XValues.Add(dtNow.ToOADate());
dtNow = span.Add(dtNow);
}
m_Chart.Axis(StandardAxis.PrimaryX).PagingView.Enabled = false;
}
private void GenerateData(DateTime dtStart, DateTime dtEnd, NDateTimeSpan span)
{
long count = span.GetSpanCountInRange(new NDateTimeRange(dtStart, dtEnd));
double open, high, low, close;
m_Stock.DataPoints.Clear();
Random random = new Random();
DateTime dtNow = dtStart;
double prevClose = 100;
for (int nIndex = 0; nIndex < count; nIndex++)
{
open = prevClose;
if (prevClose < 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;
}
prevClose = close;
m_Stock.DataPoints.Add(new NStockDataPoint(NDateTimeHelpers.ToOADate(dtNow), open, close, high, low));
dtNow = span.Add(dtNow);
}
}
protected void Page_Load(object sender, EventArgs e)
{
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
nChartControl1.Panels.Clear();
// set a chart title
NLabel header = new NLabel("Range Timeline Scale");
header.DockMode = PanelDockMode.Top;
header.Margins = new NMarginsL(2, 2, 0, 5);
header.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
header.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
header.ContentAlignment = ContentAlignment.BottomRight;
header.FitAlignment = ContentAlignment.MiddleLeft;
header.Location = new NPointL(new NLength(2, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
nChartControl1.Panels.Add(header);
// setup chart
m_Chart = new NCartesianChart();
nChartControl1.Panels.Add(m_Chart);
m_Chart.DockMode = PanelDockMode.Fill;
m_Chart.Margins = new NMarginsL(2, 0, 2, 2);
m_Chart.Projection.SetPredefinedProjection(PredefinedProjection.Orthogonal);
m_Chart.LightModel.EnableLighting = false;
m_Chart.Axis(StandardAxis.Depth).Visible = false;
m_Chart.Wall(ChartWallType.Floor).Visible = false;
m_Chart.Wall(ChartWallType.Left).Visible = false;
m_Chart.BoundsMode = BoundsMode.Stretch;
m_Chart.Height = 40;
// setup X axis
NAxis axis = m_Chart.Axis(StandardAxis.PrimaryX);
axis.ScrollBar.Visible = true;
NRangeTimelineScaleConfigurator timelineScale = new NRangeTimelineScaleConfigurator();
timelineScale.MajorGridStyle.SetShowAtWall(ChartWallType.Back, true);
timelineScale.SecondRow.GridStyle.SetShowAtWall(ChartWallType.Back, true);
timelineScale.ThirdRow.GridStyle.SetShowAtWall(ChartWallType.Back, true);
axis.ScaleConfigurator = timelineScale;
// setup primary Y axis
axis = m_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);
// add interlaced stripe
NScaleStripStyle stripStyle = new NScaleStripStyle();
stripStyle.FillStyle = new NColorFillStyle(Color.Beige);
stripStyle.SetShowAtWall(ChartWallType.Back, true);
stripStyle.SetShowAtWall(ChartWallType.Left, true);
stripStyle.Interlaced = true;
linearScale.StripStyles.Add(stripStyle);
// Setup the stock series
m_Stock = (NStockSeries)m_Chart.Series.Add(SeriesType.Stock);
m_Stock.DataLabelStyle.Visible = false;
m_Stock.CandleStyle = CandleStyle.Stick;
m_Stock.CandleWidth = new NLength(0.5f, NRelativeUnit.ParentPercentage);
m_Stock.UpStrokeStyle.Color = Color.RoyalBlue;
m_Stock.Legend.Mode = SeriesLegendMode.None;
m_Stock.CloseValues.Name = "close";
m_Stock.UseXValues = true;
// init form controls
if (!IsPostBack)
{
FirstRowVisibleCheckBox.Checked = true;
SecondRowVisibleCheckBox.Checked = true;
ThirdRowVisibleCheckBox.Checked = true;
RandomDataTypeDropDownList.Items.Add("Daily");
RandomDataTypeDropDownList.Items.Add("Weekly");
RandomDataTypeDropDownList.Items.Add("Monthly");
RandomDataTypeDropDownList.Items.Add("Yearly");
RandomDataTypeDropDownList.SelectedIndex = 2;
}
timelineScale.FirstRow.Visible = FirstRowVisibleCheckBox.Checked;
timelineScale.SecondRow.Visible = SecondRowVisibleCheckBox.Checked;
timelineScale.ThirdRow.Visible = ThirdRowVisibleCheckBox.Checked;
DateTime dtNow = DateTime.Now;
DateTime dtEnd = dtNow;
DateTime dtStart = dtNow;
NDateTimeSpan span = new NDateTimeSpan();
switch (RandomDataTypeDropDownList.SelectedIndex)
{
case 0:
// generate data for 30 days
dtEnd = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 17, 0, 0, 0);
dtStart = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 7, 0, 0, 0);
span = new NDateTimeSpan(5, NDateTimeUnit.Minute);
break;
case 1:
// generate data for 30 weeks
dtEnd = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 7, 0, 0, 0);
dtStart = NDateTimeUnit.Week.Add(dtEnd, -30);
span = new NDateTimeSpan(1, NDateTimeUnit.Day);
break;
case 2:
// generate data for 30 months
dtEnd = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 7, 0, 0, 0);
dtStart = NDateTimeUnit.Month.Add(dtEnd, -30);
span = new NDateTimeSpan(1, NDateTimeUnit.Week);
break;
case 3:
// generate data for 30 years
dtEnd = new DateTime(dtNow.Year, dtNow.Month, dtNow.Day, 7, 0, 0, 0);
dtStart = NDateTimeUnit.Year.Add(dtEnd, -30);
span = new NDateTimeSpan(1, NDateTimeUnit.Month);
break;
}
GenerateData(dtStart, dtEnd, span);
}
