public static void Main(string[] args)
{
var ds = new BenchmarkDataSource(200, 200);
var builder = new IsolineBuilder(ds);
Console.WriteLine("Data field size is {0}x{1}", ds.Width, ds.Height);
DateTime start = DateTime.Now;
int pointCount = 0;
for (double level = -2.0; level <= 2.0; level += 0.01)
{
Console.WriteLine("Building coutour line at {0}", level);
foreach (LevelLine line in builder.BuildIsoline(level).Lines)
{
pointCount += 1 + line.OtherPoints.Count;
}
}
TimeSpan elapsed = DateTime.Now - start;
Console.WriteLine("Points generated: {0}", pointCount);
Console.WriteLine("Elapsed time: {0} ms", elapsed.TotalMilliseconds);
}
private void UpdateUIRepresentation()
{
foreach (var path in addedPaths)
{
content.Children.Remove(path);
}
addedPaths.Clear();
if (DataSource == null)
{
labelGrid.Visibility = Visibility.Hidden;
return;
}
Rect output = Plotter2D.Viewport.Output;
Point mousePos = Mouse.GetPosition(this);
if (!output.Contains(mousePos))
{
return;
}
var transform = Plotter2D.Viewport.Transform;
Point visiblePoint = mousePos.ScreenToData(transform);
Rect visible = Plotter2D.Viewport.Visible;
double isolineLevel;
if (Search(visiblePoint, out isolineLevel))
{
var collection = IsolineBuilder.Build(isolineLevel);
string format = "G3";
if (Math.Abs(isolineLevel) < 1000)
{
format = "F";
}
textBlock.Text = isolineLevel.ToString(format);
double x = mousePos.X + labelShift.X;
if (x + labelGrid.ActualWidth > output.Right)
{
x = mousePos.X - labelShift.X - labelGrid.ActualWidth;
}
double y = mousePos.Y - labelShift.Y - labelGrid.ActualHeight;
if (y < output.Top)
{
y = mousePos.Y + labelShift.Y;
}
Canvas.SetLeft(labelGrid, x);
Canvas.SetTop(labelGrid, y);
foreach (LevelLine segment in collection.Lines)
{
StreamGeometry streamGeom = new StreamGeometry();
using (StreamGeometryContext context = streamGeom.Open())
{
Point startPoint = segment.StartPoint.DataToScreen(transform);
var otherPoints = segment.OtherPoints.DataToScreen(transform);
context.BeginFigure(startPoint, false, false);
context.PolyLineTo(otherPoints, true, true);
}
Path path = new Path
{
Stroke = new SolidColorBrush(Palette.GetColor(segment.Value01)),
Data = streamGeom,
Style = pathStyle
};
content.Children.Add(path);
addedPaths.Add(path);
labelGrid.Visibility = Visibility.Visible;
Binding pathBinding = new Binding {
Path = new PropertyPath("StrokeThickness"), Source = this
};
path.SetBinding(Path.StrokeThicknessProperty, pathBinding);
}
}
else
{
labelGrid.Visibility = Visibility.Hidden;
}
}
