private static List <Trendline> RemoveBadTrendlinesTop(CandleData data, List <Trendline> trendlist, decimal divergence)
{
List <Trendline> usefullTrendlines = new List <Trendline>();
foreach (Trendline tl in trendlist.ToArray())
{
//-1 da der letzte Candle der nochnicht abgeschlossene ist
bool usefull = true;
for (int i = tl.startpoint; i < data.candles.Count - 1; i++)
{
if (data.candles[i].High - divergence > tl.movement * i + tl.n)
{
usefull = false;
break;
}
}
if (usefull)
{
if (tl.linePoints[0].value > tl.linePoints[tl.linePoints.Count - 1].value)
{
usefullTrendlines.Add(tl);
}
}
}
return(usefullTrendlines);
}
private static List <Trendline> RemoveBadTrendlinesBottom(CandleData data, List <Trendline> trendlist, decimal divergence)
{
var usefullTrendlines = new List <Trendline>();
foreach (var tl in trendlist.ToArray())
{
var usefull = true;
for (var i = tl.startpoint; i < data.candles.Count - 1; i++)
{
if (data.candles[i].Low + divergence < tl.movement * i + tl.n)
{
usefull = false;
break;
}
}
if (usefull)
{
if (tl.linePoints[0].value < tl.linePoints[tl.linePoints.Count - 1].value)
{
usefullTrendlines.Add(tl);
}
}
}
return(usefullTrendlines);
}
private List <Trendline> GetBottomLines()
{
CandleData data = DataManager.GetCandleDataForPairAndInterval(coinPair, interval);
decimal divergence = Helper.GetDivergence(coinPair, interval);
List <Trendline> trendlines = new List <Trendline>();
for (int i = data.candles.Count - this.candleNumber; i < data.candles.Count - 3; i++)
{
for (int j = i + 1; j < data.candles.Count - 2; j++)
{
decimal movement = GetMovement(i, j, data.candles[i].Low, data.candles[j].Low);
decimal n = GetN(i, j, data.candles[i].Low, data.candles[j].Low);
Trendline tl = new Trendline(movement, n, i, interval, new List <TrendPoint>(), data.candles.Count);
tl.linePoints.Add(new TrendPoint(data.candles[i].Low, i));
tl.linePoints.Add(new TrendPoint(data.candles[j].Low, j));
for (int k = j + 1; k < data.candles.Count - 1; k++)
{
if (Math.Abs((movement * k + n) - data.candles[k].Low) <= divergence)
{
tl.linePoints.Add(new TrendPoint(data.candles[k].Low, k));
}
}
if (tl.linePoints.Count > 2)
{
trendlines.Add(tl);
}
}
}
return(RemoveBadTrendlinesBottom(data, trendlines, divergence));
}
public static byte[] Graph(string pair, KlineInterval interval, List <Trendline> trendlines,
List <decimal> smaPoints, List <decimal> volume, List <Resistance> resistances)
{
CandleData data = DataManager.GetCandleDataForPairAndInterval(pair, interval);
List <double> highs = new List <double>();
List <double> lows = new List <double>();
List <double> close = new List <double>();
List <double> open = new List <double>();
List <DateTime> times = new List <DateTime>();
var candles = new List <KlineCandleStickResponse>(data.candles);
for (int i = candles.Count - 100; i < candles.Count; i++)
{
KlineCandleStickResponse candle = candles[i];
highs.Add(Convert.ToDouble(candle.High));
lows.Add(Convert.ToDouble(candle.Low));
close.Add(Convert.ToDouble(candle.Close));
open.Add(Convert.ToDouble(candle.Open));
times.Add(candle.OpenTime);
}
for (int i = 0; i < 5; i++)
{
highs.Add(Convert.ToDouble(candles[candles.Count - 1].Close));
lows.Add(Convert.ToDouble(candles[candles.Count - 1].Close));
close.Add(Convert.ToDouble(candles[candles.Count - 1].Close));
open.Add(Convert.ToDouble(candles[candles.Count - 1].Close));
}
List <double> volumes = new List <double>();
foreach (var c in volume)
{
volumes.Add(Convert.ToDouble(c));
}
var xyChart = new ChartDirector.FinanceChart(1920);
xyChart.setPlotAreaStyle(0x171b26, 0x232632, 0x232632, 0x232632, 0x232632);
xyChart.setData(times.ToArray(), highs.ToArray(), lows.ToArray(), open.ToArray(), close.ToArray(),
volumes.ToArray(), 0);
var chart = xyChart.addMainChart(1080);
chart.xAxis().setLabelStyle("Arial", 8, 0xffffff, 0);
chart.yAxis().setLabelStyle("Arial", 8, 0xffffff, 0);
xyChart.setBackground(0x171b26);
//xyChart.getChart().setColor(Chart.TextColor, 0xFFFFFF);
//xyChart.getChart().setBackground(0x171b26);
//xyChart.setPlotArea(50, 25, 1850, 1000).setGridColor(0x232632, 0x232632);
xyChart.addTitle("TA Trading Bot of Pair " + pair + " and Timeframe " +
Enum.GetName(typeof(KlineInterval), interval), "bold", 10, 0xffffff);
//xyChart.addBarLayer(volumes.ToArray()).setBaseLine(Convert.ToDouble(candles[candles.Count - 1].Close - candles[candles.Count - 1].Close / 10m));
//var axies = xyChart.addAxis(4, xyChart.getYCoor(35000));
//xyChart.addBarLayer(volumes.ToArray()).setUseYAxis(axies);
/*chart.setBackground(0x171b26);
* chart.setColor(Chart.TextColor, 0x000000);
*/
var layer = xyChart.addCandleStick(0x00ff00, 0xff0000);
//layer.setExtraColors(0xffffff, 0xffffff, 0xffffff, 0xffffff);
layer.setColors(0x00ff00, 0x00ff00, 0xff0000, 0xff0000);
layer.setLineWidth(2);
List <double> smaData = new List <double>();
foreach (var c in smaPoints)
{
smaData.Add(Convert.ToDouble(c));
}
//xyChart.addVolBars(200, 0x00ff00, 0xff0000, 0x808080);
//xyChart.addRSI(200, 14, 0xff0000, 80, 0x00ff00, 0xff0000);
xyChart.addSimpleMovingAvg(14, 0xd8a704);
//xyChart.addLineLayer(smaData.ToArray(), 0xd8a704).setLineWidth(6);
xyChart.layout();
foreach (var tl in trendlines)
{
Vector2 start, end;
ExtendLine(
new Vector2(chart.getXCoor((tl.startpoint - 400)),
chart.getYCoor(Convert.ToDouble(tl.linePoints[0].value))),
new Vector2(chart.getXCoor(tl.linePoints[tl.linePoints.Count - 1].candle - 400),
chart.getYCoor(Convert.ToDouble(tl.linePoints[tl.linePoints.Count - 1].value))),
400f, out start, out end
);
xyChart.addLine(Convert.ToInt32(start.X), Convert.ToInt32(start.Y), Convert.ToInt32(end.X),
Convert.ToInt32(end.Y), 0xFFC300).setWidth(4);
}
foreach (var resistance in resistances)
{
var y = Convert.ToDouble(resistance.Value);
xyChart.addLine(chart.getXCoor(0), chart.getYCoor(y), chart.getXCoor(100), chart.getYCoor(y), 0x00ff00)
.setWidth(3);
}
xyChart.makeChart(pair + "_" + Enum.GetName(typeof(KlineInterval), interval) + ".jpg");
return(xyChart.makeChart2(0));
}