static Dictionary <DateTime, double> EstimateThePrice(Dictionary <DateTime, double> estimate, DateTime now)
{
var dictionary = new Dictionary <DateTime, double>(estimate);
double[] xs = new double[estimate.Count], ys = new double[estimate.Count];
int index = 0;
foreach (var kv in estimate.OrderBy(o => o.Key))
{
ys[index] = kv.Value;
xs[index++] = correct * kv.Key.Ticks;
}
var interpolate = new PeriodicSpline(xs, ys, 0x5A1).Integrate().Interpolate();
for (index = 0; index < interpolate.Item1.Length; index++)
{
var time = new DateTime((long)(revert * interpolate.Item1[index]));
if (dictionary.ContainsKey(time) == false && now.AddDays(now.Hour < 0x11 ? -6 : -5).CompareTo(time) < 0)
{
dictionary[time] = interpolate.Item2[index];
}
}
return(dictionary);
}
protected override void OnParametersSet()
{
base.OnParametersSet();
_horizontalLines.Clear();
_verticalLines.Clear();
_horizontalValues.Clear();
_verticalValues.Clear();
_legends.Clear();
_chartLines.Clear();
if (MudChartParent != null)
{
_series = MudChartParent.ChartSeries;
}
var maxY = 0.0;
var numValues = 0;
var numXLabels = XAxisLabels.Length;
foreach (var item in _series)
{
if (numValues < item.Data.Length)
{
numValues = item.Data.Length;
}
foreach (int i in item.Data)
{
if (maxY < i)
{
maxY = i;
}
}
}
var boundHeight = 350.0;
var boundWidth = 650.0;
double gridYUnits = MudChartParent?.ChartOptions.YAxisTicks ?? 20;
double gridXUnits = 30;
var numVerticalLines = numValues - 1;
var numHorizontalLines = ((int)(maxY / gridYUnits)) + 1;
var verticalStartSpace = 25.0;
var horizontalStartSpace = 30.0;
var verticalEndSpace = 25.0;
var horizontalEndSpace = 30.0;
var verticalSpace = (boundHeight - verticalStartSpace - verticalEndSpace) / (numHorizontalLines);
var horizontalSpace = (boundWidth - horizontalStartSpace - horizontalEndSpace) / (numVerticalLines);
var interpolationOption = MudChartParent?.ChartOptions.InterpolationOption ?? InterpolationOption.Straight;
//Horizontal Grid Lines
var y = verticalStartSpace;
double startGridY = 0;
for (var counter = 0; counter <= numHorizontalLines; counter++)
{
var line = new SvgPath()
{
Index = counter,
Data = $"M {ToS(horizontalStartSpace)} {ToS((boundHeight - y))} L {ToS((boundWidth - horizontalEndSpace))} {ToS((boundHeight - y))}"
};
_horizontalLines.Add(line);
var lineValue = new SvgText()
{
X = (horizontalStartSpace - 10), Y = (boundHeight - y + 5), Value = ToS(startGridY, MudChartParent?.ChartOptions.YAxisFormat)
};
_horizontalValues.Add(lineValue);
startGridY += gridYUnits;
y += verticalSpace;
}
//Vertical Grid Lines
var x = horizontalStartSpace;
double startGridX = 0;
for (var counter = 0; counter <= numVerticalLines; counter++)
{
var line = new SvgPath()
{
Index = counter,
Data = $"M {ToS(x)} {ToS((boundHeight - verticalStartSpace))} L {ToS(x)} {ToS(verticalEndSpace)}"
};
_verticalLines.Add(line);
var xLabels = "";
if (counter < numXLabels)
{
xLabels = XAxisLabels[counter];
}
var lineValue = new SvgText()
{
X = x, Y = boundHeight - 2, Value = xLabels
};
_verticalValues.Add(lineValue);
startGridX += gridXUnits;
x += horizontalSpace;
}
//Chart Lines
var colorcounter = 0;
foreach (var item in _series)
{
var chartLine = "";
double gridValueX = 0;
double gridValueY = 0;
var firstTime = true;
double[] XValues = new double[item.Data.Length];
double[] YValues = new double[item.Data.Length];
ILineInterpolator interpolator;
for (var i = 0; i <= item.Data.Length - 1; i++)
{
if (i == 0)
{
XValues[i] = 30;
}
else
{
XValues[i] = XValues[i - 1] + horizontalSpace;
}
var gridValue = (item.Data[i]) * verticalSpace / gridYUnits;
YValues[i] = boundHeight - (verticalStartSpace + gridValue);
}
switch (interpolationOption)
{
case InterpolationOption.NaturalSpline:
interpolator = new NaturalSpline(XValues, YValues);
break;
case InterpolationOption.EndSlope:
interpolator = new EndSlopeSpline(XValues, YValues);
break;
case InterpolationOption.Periodic:
interpolator = new PeriodicSpline(XValues, YValues);
break;
case InterpolationOption.Straight:
default:
interpolator = new NoInterpolation();
break;
}
if (interpolator?.InterpolationRequired == true)
{
horizontalSpace = (boundWidth - horizontalStartSpace - horizontalEndSpace) / interpolator.InterpolatedXs.Length;
foreach (var yValue in interpolator.InterpolatedYs)
{
if (firstTime)
{
chartLine += "M ";
firstTime = false;
gridValueX = horizontalStartSpace;
gridValueY = verticalStartSpace;
}
else
{
chartLine += " L ";
gridValueX += horizontalSpace;
gridValueY = verticalStartSpace;
}
gridValueY = yValue;
chartLine = chartLine + ToS(gridValueX) + " " + ToS(gridValueY);
}
}
else
{
foreach (var dataLine in item.Data)
{
if (firstTime)
{
chartLine += "M ";
firstTime = false;
gridValueX = horizontalStartSpace;
gridValueY = verticalStartSpace;
}
else
{
chartLine += " L ";
gridValueX += horizontalSpace;
gridValueY = verticalStartSpace;
}
var gridValue = ((double)dataLine) * verticalSpace / gridYUnits;
gridValueY = boundHeight - (gridValueY + gridValue);
chartLine = chartLine + ToS(gridValueX) + " " + ToS(gridValueY);
}
}
var line = new SvgPath()
{
Index = colorcounter,
Data = chartLine
};
var legend = new SvgLegend()
{
Index = colorcounter,
Labels = item.Name
};
colorcounter++;
_chartLines.Add(line);
_legends.Add(legend);
}
}