public void SetLinePattern(LineSeries3D ls, Polyline pLine)
{
pLine.Stroke = ls.LineColor;
pLine.StrokeThickness = ls.LineThickness;
switch (ls.LinePattern)
{
case LinePatternEnum.Dash:
pLine.StrokeDashArray = new DoubleCollection(new double[2] {
4, 3
});
break;
case LinePatternEnum.Dot:
pLine.StrokeDashArray = new DoubleCollection(new double[2] {
1, 2
});
break;
case LinePatternEnum.DashDot:
pLine.StrokeDashArray = new DoubleCollection(new double[4] {
4, 2, 1, 2
});
break;
}
}
/// <summary>
/// Add a 3D line to a chart canvas
/// </summary>
/// <param name="cs"></param>
public async Task <List <UIElement> > AddLine3D(LineSeries3D ls, ColormapBrush cm, CancellationToken token)
{
List <UIElement> symbols = new List <UIElement>();
await Application.Current.Dispatcher.InvokeAsync(async() =>
{
var pLine = new Polyline();
Matrix3D m = Chart3DHelper.AzimuthElevation(Elevation, Azimuth);
Point3D[] pts = new Point3D[ls.LinePoints.Count];
int stepWidth = 1;
if (ls.LinePoints.Count > 20000)
{
stepWidth = (ls.LinePoints.Count / 20000);
}
for (int i = 0; i < ls.LinePoints.Count; i += stepWidth)
{
if (token.IsCancellationRequested)
{
break;
}
if (i == 0)
{
Console.WriteLine("1:" + DateTime.Now);
}
await Task.Delay(1);
if (ls.LinePoints[i].Item1.X <Xmin || ls.LinePoints[i].Item1.X> Xmax ||
ls.LinePoints[i].Item1.Y <Ymin || ls.LinePoints[i].Item1.Y> Ymax ||
ls.LinePoints[i].Item1.Z <Zmin || ls.LinePoints[i].Item1.Z> Zmax)
{
continue;
}
try
{
if (i == 0)
{
Console.WriteLine("2:" + DateTime.Now);
}
pts[i] = Normalize3D(m, ls.LinePoints[i].Item1);
pLine.Points.Add(new Point(pts[i].X, pts[i].Y));
if (i == 0)
{
Console.WriteLine("3:" + DateTime.Now);
}
if (!IsBubbleChart)
{
if (ls.Symbols.SymbolType != SymbolTypeEnum.None)
{
ls.Symbols.AddSymbol(ChartCanvas, new Point(pts[i].X, pts[i].Y));
}
}
else if (ls.Symbols.SymbolType != SymbolTypeEnum.None)
{
ls.Symbols.FillColor = ColorMapHelper.GetBrush(ls.LinePoints[i].Item2, cm.Ymin, cm.Ymax, cm);
symbols.AddRange(ls.Symbols.GetSymbol(new Point(pts[i].X, pts[i].Y)));
}
}
catch
{
continue;
}
if (i == 0)
{
Console.WriteLine("4:" + DateTime.Now);
}
}
if (!IsBubbleChart)
{
SetLinePattern(ls, pLine);
symbols.Add(pLine);
}
}).Result;
return(symbols);
}
