void PlotDataSet()
{
string lines = "Stock Data Example. Demonstrates - * CandlePlot, FilledRegion, LinePlot and ArrowItem IDrawables * DateTime axes * A few plot interactions. Try (a) dragging the axes (b) dragging the plot surface.";
infoBox.Text = lines;
plotSurface.Clear();
//plotSurface.DateTimeToolTip = true;
// obtain stock information from xml file
DataSet ds = new DataSet();
//System.IO.Stream file =Assembly.GetExecutingAssembly().GetManifestResourceStream("ChartProject1.asx_jbh");
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(PlotSurface2DDemo));
StringReader reader = new StringReader((String)resources.GetObject("asx_jbh"));
ds.ReadXml(reader, System.Data.XmlReadMode.ReadSchema );
DataTable dt = ds.Tables[0];
DataView dv = new DataView( dt );
// create CandlePlot.
CandlePlot cp = new CandlePlot();
cp.DataSource = dt;
cp.AbscissaData = "Date";
cp.OpenData = "Open";
cp.LowData = "Low";
cp.HighData = "High";
cp.CloseData = "Close";
cp.BearishColor = Color.Red;
cp.BullishColor = Color.Green;
cp.Style = CandlePlot.Styles.Filled;
// calculate 10 day moving average and 2*sd line
ArrayList av10 = new ArrayList();
ArrayList sd2_10 = new ArrayList();
ArrayList sd_2_10 = new ArrayList();
ArrayList dates = new ArrayList();
for (int i=0; i<dt.Rows.Count-10; ++i)
{
float sum = 0.0f;
for (int j=0; j<10; ++j)
{
sum += (float)dt.Rows[i+j]["Close"];
}
float average = sum / 10.0f;
av10.Add( average );
sum = 0.0f;
for (int j=0; j<10; ++j)
{
sum += ((float)dt.Rows[i+j]["Close"]-average)*((float)dt.Rows[i+j]["Close"]-average);
}
sum /= 10.0f;
sum = 2.0f*(float)Math.Sqrt( sum );
sd2_10.Add( average + sum );
sd_2_10.Add( average - sum );
dates.Add( (DateTime)dt.Rows[i+10]["Date"] );
}
// and a line plot of close values.
LinePlot av = new LinePlot();
av.OrdinateData = av10;
av.AbscissaData = dates;
av.Color = Color.LightGray;
av.Pen.Width = 2.0f;
LinePlot top = new LinePlot();
top.OrdinateData = sd2_10;
top.AbscissaData = dates;
top.Color = Color.LightSteelBlue;
top.Pen.Width = 2.0f;
LinePlot bottom = new LinePlot();
bottom.OrdinateData = sd_2_10;
bottom.AbscissaData = dates;
bottom.Color = Color.LightSteelBlue;
bottom.Pen.Width = 2.0f;
FilledRegion fr = new FilledRegion( top, bottom );
//fr.RectangleBrush = new RectangleBrushes.Vertical( Color.FloralWhite, Color.GhostWhite );
fr.RectangleBrush = new RectangleBrushes.Vertical( Color.FromArgb(255,255,240), Color.FromArgb(240,255,255) );
plotSurface.Add( fr );
plotSurface.Add( new Grid() );
plotSurface.Add( av );
plotSurface.Add( top );
plotSurface.Add( bottom );
plotSurface.Add( cp );
// now make an arrow...
ArrowItem arrow = new ArrowItem( new PointD( ((DateTime)dt.Rows[60]["Date"]).Ticks, 2.28 ), -80, "An interesting flat bit" );
arrow.ArrowColor = Color.DarkBlue;
arrow.PhysicalLength = 50;
//plotSurface.Add( arrow );
plotSurface.Title = "AU:JBH";
plotSurface.XAxis1.Label = "Date / Time";
plotSurface.XAxis1.WorldMin += plotSurface.XAxis1.WorldLength / 4.0;
plotSurface.XAxis1.WorldMax -= plotSurface.XAxis1.WorldLength / 2.0;
plotSurface.YAxis1.Label = "Price [$]";
plotSurface.XAxis1 = new TradingDateTimeAxis( plotSurface.XAxis1 );
plotSurface.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.HorizontalDrag());
plotSurface.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.VerticalDrag());
plotSurface.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.AxisDrag(true));
// make sure plot surface colors are as we expect - the wave example changes them.
plotSurface.PlotBackColor = Color.White;
plotSurface.BackColor = System.Drawing.SystemColors.Control;
plotSurface.XAxis1.Color = Color.Black;
plotSurface.YAxis1.Color = Color.Black;
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
}
public void PlotCandleSimple()
{
string lines = "Simple CandlePlot example. Demonstrates - * Setting candle plot datapoints using arrays.";
infoBox.Text = lines;
plotSurface.Clear();
FilledRegion fr = new FilledRegion(
new VerticalLine(1.2),
new VerticalLine(2.4));
fr.Brush = new SolidBrush(Color.BlanchedAlmond);
plotSurface.Add(fr);
// note that arrays can be of any type you like.
int[] opens = { 1, 2, 1, 2, 1, 3 };
double[] closes = { 2, 2, 2, 1, 2, 1 };
float[] lows = { 0, 1, 1, 1, 0, 0 };
System.Int64[] highs = { 3, 2, 3, 3, 3, 4 };
int[] times = { 0, 1, 2, 3, 4, 5 };
CandlePlot cp = new CandlePlot();
cp.CloseData = closes;
cp.OpenData = opens;
cp.LowData = lows;
cp.HighData = highs;
cp.AbscissaData = times;
plotSurface.Add(cp);
HorizontalLine line = new HorizontalLine( 1.2 );
line.LengthScale = 0.89f;
plotSurface.Add( line, -10 );
VerticalLine line2 = new VerticalLine( 1.2 );
line2.LengthScale = 0.89f;
plotSurface.Add( line2 );
plotSurface.AddInteraction( new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.MouseWheelZoom() );
plotSurface.Title = "Line in the Title Number 1\nFollowed by another title line\n and another";
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
}
void PlotCandle()
{
plotSurface.Clear();
// obtain stock information from xml file
DataSet ds = new DataSet();
System.IO.Stream file =
Assembly.GetExecutingAssembly().GetManifestResourceStream( "xuzhenzhen.com.chartDemo.resources.asx_jbh.xml" );
ds.ReadXml( file, System.Data.XmlReadMode.ReadSchema );
DataTable dt = ds.Tables[0];
// create CandlePlot.
CandlePlot cp = new CandlePlot();
cp.DataSource = dt;
cp.AbscissaData = "Date";
cp.OpenData = "Open";
cp.LowData = "Low";
cp.HighData = "High";
cp.CloseData = "Close";
cp.BearishColor = Color.Red;
cp.BullishColor = Color.Green;
cp.StickWidth = 3;
cp.Color = Color.DarkBlue;
plotSurface.Add( new Grid() );
plotSurface.Add( cp );
plotSurface.Title = "AU:JBH";
plotSurface.XAxis1.Label = "Date / Time";
plotSurface.YAxis1.Label = "Price [$]";
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
}
