private void GenerateNewData()
{
Random rand = new Random();
int pointCount = 100;
ScottPlot.OHLC[] ohlcs = new ScottPlot.OHLC[pointCount];
double[] timestamps = new double[pointCount];
double[] volumes = new double[pointCount];
for (int i = 0; i < ohlcs.Length; i++)
{
double open = rand.NextDouble() * 10 + 50;
double close = rand.NextDouble() * 10 + 50;
double high = Math.Max(open, close) + rand.NextDouble() * 10;
double low = Math.Min(open, close) - rand.NextDouble() * 10;
ohlcs[i] = new ScottPlot.OHLC(open, high, low, close, i);
timestamps[i] = i;
volumes[i] = 1000 + rand.NextDouble() * 500;
}
scottPlotUC1.plt.Clear();
scottPlotUC1.plt.YLabel("Share Price", fontSize: 10);
scottPlotUC1.plt.Title("ScottPlot Candlestick Demo");
scottPlotUC1.plt.PlotOHLC(ohlcs);
scottPlotUC1.plt.AxisAuto();
scottPlotUC1.Render();
scottPlotUC2.plt.Clear();
scottPlotUC2.plt.YLabel("Volume", fontSize: 10);
scottPlotUC2.plt.PlotBar(timestamps, volumes, barWidth: .5);
scottPlotUC2.plt.AxisAuto(.01, .1);
scottPlotUC2.plt.Axis(null, null, 0, null);
scottPlotUC2.Render();
}
public void Test_Candle_SetWidth()
{
var ohlcs = new ScottPlot.OHLC[]
{
// open, high, low, close, time, timeSpan
new ScottPlot.OHLC(273, 275, 264, 265, 1, 1),
new ScottPlot.OHLC(267, 276, 265, 274, 2.5, 2),
new ScottPlot.OHLC(277, 280, 275, 278, 4, 1),
};
var plt = new ScottPlot.Plot(400, 300);
plt.Grid(false);
plt.PlotCandlestick(ohlcs, autoWidth: false);
plt.SetAxisLimits(xMin: -1, xMax: 5);
TestTools.SaveFig(plt);
}
public void Test_Candle_CustomColors()
{
var ohlcs = new ScottPlot.OHLC[]
{
// open, high, low, close, time, timeSpan
new ScottPlot.OHLC(273, 275, 264, 265, 1, 1),
new ScottPlot.OHLC(267, 276, 265, 274, 2.5, 2),
new ScottPlot.OHLC(277, 280, 275, 278, 4, 1),
};
var colorUp = System.Drawing.ColorTranslator.FromHtml("#9926a69a");
var colorDown = System.Drawing.ColorTranslator.FromHtml("#99ef5350");
var plt = new ScottPlot.Plot(400, 300);
var candles = plt.AddCandlesticks(ohlcs);
candles.ColorUp = colorUp;
candles.ColorDown = colorDown;
plt.SetAxisLimits(xMin: -1, xMax: 5);
TestTools.SaveFig(plt);
}
