//Constructor generates the values for all the values in the class, including the equation
public StraightFit(ObservableCollection <CoordPoint> coordinates, ChartBounds CurrentBounds, Canvas currentCanvas)
{
this.currentCanvas = currentCanvas;
this.maxBoundsX = CurrentBounds.MaxBoundsX;
this.minBoundsX = CurrentBounds.MinBoundsX;
this.maxBoundsY = CurrentBounds.MaxBoundsY;
this.minBoundsY = CurrentBounds.MinBoundsY;
this.coordinates = coordinates;
for (int i = 0; i < coordinates.Count; i++)
{
XValues.Add(coordinates[i].X);
}
for (int i = 0; i < coordinates.Count; i++)
{
YValues.Add(coordinates[i].Y);
}
xBar = Mean(XValues);
yBar = Mean(YValues);
Sxy = Variance(XValues, YValues);
Sxx = Variance(XValues, XValues);
Gradient = Sxy / Sxx;
YIntercept = yBar - (Gradient * xBar);
}
public ExponentialIncreaseFit(ObservableCollection <CoordPoint> coordinates, Canvas currentCanvas, ChartBounds CurrentBounds, double C)
{
this.currentCanvas = currentCanvas;
this.maxBoundsX = CurrentBounds.MaxBoundsX;
this.minBoundsX = CurrentBounds.MinBoundsX;
this.maxBoundsY = CurrentBounds.MaxBoundsY;
this.minBoundsY = CurrentBounds.MinBoundsY;
this.coordinates = coordinates;
this.C = C;
// Puts the X and Y values into their on list so they can be calculated on
for (int i = 0; i < coordinates.Count; i++)
{
XValues.Add(coordinates[i].X);
}
for (int i = 0; i < coordinates.Count; i++)
{
YValues.Add((((coordinates[i].Y / C) - 1) * -1));
}
// Sets the curve values
A = GetA();
B = GetB();
}
/// <summary>
/// Handles the CollectionChanged event of the PointsSource control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="NotifyCollectionChangedEventArgs"/> instance containing the event data.</param>
void PointsSource_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Add)
{
double xValue = GetReflectionValue(XPath, PointsSource, XValues.Count + 1);
double yValue = GetReflectionValue(YPath, PointsSource, YValues.Count + 1);
XValues.Add(xValue);
YValues.Add(xValue);
Points.Add(new ChartPoint()
{
XValue = xValue, YValue = yValue
});
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
IList oldItems = e.OldItems;
double oldXValue = GetReflectionValueFromItem(XPath, oldItems[0]);
int index = XValues.IndexOf(oldXValue);
XValues.RemoveAt(index);
YValues.RemoveAt(index);
Points.RemoveAt(index);
}
else if (e.Action == NotifyCollectionChangedAction.Reset)
{
Points.Clear();
GeneratePointsFromSource();
}
}
private void RegisterObject(int _kind, Guid _xObjectUid)
{
ServerXList list;
IServerXValue value;
if (!XValues.TryGetValue(_kind, out value))
{
list = new ServerXList();
XValues.Add(_kind, list);
}
else
{
list = (ServerXList)value;
}
list.AddChildUid(_xObjectUid);
}
public void addData(double x, double y, double z)
{
lock (_lockObj)
{
XValues.Add(new DataPoint(XValues.Count, x));
YValues.Add(new DataPoint(YValues.Count, y));
ZValues.Add(new DataPoint(ZValues.Count, z));
if (MaxCount == ZValues.Count)
{
XValues.RemoveAt(0);
reNumbering(XValues);
YValues.RemoveAt(0);
reNumbering(YValues);
ZValues.RemoveAt(0);
reNumbering(ZValues);
}
parseData();
}
}
/// <inheritdoc />
/// <summary>
/// Main Parse Function for the Lwpolyline Class
/// </summary>
/// <param name="list"></param>
/// <param name="index"></param>
/// <returns>True or false if the parse was successful</returns>
public override bool Parse(TaggedDataList list, int index)
{
for (var currentIndex = index + 1;
currentIndex < list.Length;
++currentIndex)
{
var currentData = list.GetPair(currentIndex);
if (currentData.GroupCode == GroupCodesBase.EntityType)
{
break;
}
if (base.Parse(list, currentIndex))
{
continue;
}
switch (currentData.GroupCode)
{
// Number of Vertices
case LwPolylineCodes.NumberOfVertices:
NumberOfVertices = int.Parse(currentData.Value);
continue;
// Lwpolyline Flag
case LwPolylineCodes.PolylineFlag:
PolyLineFlag = currentData.Value.Contains("1");
continue;
// Constant Width
case LwPolylineCodes.ConstantWidth:
ConstantWidth = double.Parse(currentData.Value);
continue;
// Elevation
case LwPolylineCodes.Elevation:
Elevation = double.Parse(currentData.Value);
continue;
// Thickness
case LwPolylineCodes.Thickness:
Thickness = double.Parse(currentData.Value);
continue;
// X values
case GroupCodesBase.XPoint:
BulgeList.Add(Bulge.BulgeNull);
XValues.Add(double.Parse(currentData.Value));
continue;
// Y values
case GroupCodesBase.YPoint:
YValues.Add(double.Parse(currentData.Value));
continue;
// Bulge Values
case LwPolylineCodes.Bulge:
BulgeList.RemoveAt(BulgeList.Count - 1);
BulgeList.Add(double.Parse(currentData.Value));
continue;
default:
continue;
}
}
return(true);
}
private void UpdateSample(TimeSpan sampleTime, TimeSpan sampleBackFor)
{
var sampleLimit = DateTimeOffset.Now - sampleBackFor;
XMinimum = sampleLimit.ToUnixTimeMilliseconds();
var values = _history.SelectTimeSampleBackwards(
x => x.Date,
x => x.Balance,
sampleTime,
sampleLimit,
DateTime.Now);
XValues.Clear();
YValues.Clear();
foreach (var(timestamp, balance) in values.Reverse())
{
YValues.Add((double)balance.ToDecimal(MoneyUnit.BTC));
XValues.Add(timestamp.ToUnixTimeMilliseconds());
}
if (YValues.Any())
{
var maxY = YValues.Max();
YLabels = new List <string> {
"0", (maxY / 2).ToString("F2"), maxY.ToString("F2")
};
}
else
{
YLabels = null;
}
if (XValues.Any())
{
var minX = XValues.Min();
var maxX = XValues.Max();
var halfX = minX + ((maxX - minX) / 2);
var range = DateTimeOffset.FromUnixTimeMilliseconds((long)maxX) -
DateTimeOffset.FromUnixTimeMilliseconds((long)minX);
if (range <= TimeSpan.FromDays(1))
{
XLabels = new List <string>
{
DateTimeOffset.FromUnixTimeMilliseconds((long)minX).DateTime.ToString("t"),
DateTimeOffset.FromUnixTimeMilliseconds((long)halfX).DateTime.ToString("t"),
DateTimeOffset.FromUnixTimeMilliseconds((long)maxX).DateTime.ToString("t"),
};
}
else if (range <= TimeSpan.FromDays(7))
{
XLabels = new List <string>
{
DateTimeOffset.FromUnixTimeMilliseconds((long)minX).DateTime.ToString("ddd MMM-d"),
DateTimeOffset.FromUnixTimeMilliseconds((long)halfX).DateTime.ToString("ddd MMM-d"),
DateTimeOffset.FromUnixTimeMilliseconds((long)maxX).DateTime.ToString("ddd MMM-d"),
};
}
else
{
XLabels = new List <string>
{
DateTimeOffset.FromUnixTimeMilliseconds((long)minX).DateTime.ToString("MMM-d"),
DateTimeOffset.FromUnixTimeMilliseconds((long)halfX).DateTime.ToString("MMM-d"),
DateTimeOffset.FromUnixTimeMilliseconds((long)maxX).DateTime.ToString("MMM-d"),
};
}
}
else
{
XLabels = null;
}
}
