/// <inheritdoc />
public Visual Draw()
{
if (Network == null)
{
throw new Exception("Network is Null");
}
//Create drawing target
DrawingVisual drawingVisual = new DrawingVisual();
DrawingContext drawingContext = drawingVisual.RenderOpen();
//enables clicks to be registered all throughout the drawing (i.e.
// no holes) but simultaneously remains transparent.
drawingContext.DrawRectangle(Brushes.Transparent, null, ImgCoords);
Pen p = new Pen(Brushes.Black, 2);
p.Freeze();
var busesToSource = Tracing.BusesOnRouteToTarget((Bus)SelectedElement, (Bus)Network.SourceBus);
var busesFromSelection = Tracing.TraceWithoutCrossingBuses((Bus)SelectedElement, busesToSource);
var buses = busesToSource.Union(busesFromSelection);
Dictionary <Bus, double> lengths = new Dictionary <Bus, double>();
lengths[Network.SourceBus] = 0;
Collection <Line> lines = new Collection <Line>();
Tracing.TraceFromWithCallback(Network.SourceBus, buses, (thisBus, line, nextBus) =>
{
lengths[nextBus] = (lengths.ContainsKey(thisBus) ? lengths[thisBus] : 0) + line.Length;
lines.Add(line);
});
Limits lengthLimits = new Limits();
lengthLimits.ProcessData(lengths.Values);
lengthLimits.LimitMax = ImgCoords.Right - Margin.Right;
lengthLimits.LimitMin = ImgCoords.Left + Margin.Left;
Limits voltLimits = new Limits();
voltLimits.ProcessData(buses.Select(b => - b.VoltagePU.Magnitude));
//choose grid for volts.
MagicGridSpacer voltSpacer = new MagicGridSpacer();
voltSpacer.MinValue = voltLimits.AutoMin;
voltSpacer.MaxValue = voltLimits.AutoMax;
voltSpacer.MaxLines = 10; //TODO: change this based on pixels. min(pixelMax, 2)
var voltSpacings = voltSpacer.GetGridSpacings();
voltLimits.ProcessData(voltSpacings.LowerLimit);
voltLimits.ProcessData(voltSpacings.UpperLimit);
voltLimits.LimitMin = ImgCoords.Top + Margin.Top;
voltLimits.LimitMax = ImgCoords.Bottom - Margin.Bottom;
MagicGridSpacer lengthSpacer = new MagicGridSpacer();
lengthSpacer.MinValue = lengthLimits.AutoMin;
lengthSpacer.MaxValue = lengthLimits.AutoMax;
lengthSpacer.MaxLines = 20; //TODO: change this based on pixels.
var lengthSpacings = lengthSpacer.GetGridSpacings();
lengthLimits.ProcessData(lengthSpacings.LowerLimit);
lengthLimits.ProcessData(lengthSpacings.UpperLimit);
Dictionary <Bus, Point> BusPoints = new Dictionary <Bus, Point>();
foreach (Bus b in buses)
{
BusPoints[b] = new Point(lengthLimits.ValueScaledToLimits(lengths[b]), voltLimits.ValueScaledToLimits(-b.VoltagePU.Magnitude));
}
Pen gridPen = new Pen(Brushes.LightGray, 1);
gridPen.Freeze();
foreach (double yPos in voltSpacings.GetTicks())
{
var y = voltLimits.ValueScaledToLimits(yPos);
var leftPoint = new Point(ImgCoords.Left + Margin.Left, y);
drawingContext.DrawLine(gridPen, leftPoint, new Point(ImgCoords.Right - Margin.Right, y));
var ft = new FormattedText((-yPos).ToString(), CultureInfo.CurrentCulture, FlowDirection.LeftToRight, new Typeface(""), 12, Brushes.Black);
drawingContext.DrawText(ft, leftPoint);
}
foreach (double xPos in lengthSpacings.GetTicks())
{
var x = lengthLimits.ValueScaledToLimits(xPos);
var bottomPoint = new Point(x, ImgCoords.Bottom - Margin.Bottom);
drawingContext.DrawLine(gridPen, bottomPoint, new Point(x, ImgCoords.Bottom - Margin.Bottom - 10));
var ft = new FormattedText(xPos.ToString(), CultureInfo.CurrentCulture, FlowDirection.LeftToRight, new Typeface(""), 12, Brushes.Black);
drawingContext.DrawText(ft, bottomPoint);
}
foreach (Line l in lines)
{
Bus b1, b2;
b1 = l.ConnectedTo.OfType <Bus>().First();
b2 = l.ConnectedTo.OfType <Bus>().Last();
drawingContext.DrawLine(p, BusPoints[b1], BusPoints[b2]);
}
drawingContext.Close();
return(drawingVisual);
}
