/// <summary>
/// Draws all the network lines.
/// </summary>
/// <param name="Network">The network from which to draw buses.</param>
/// <param name="colorMap">A map of the colours to use from the specified gradient.</param>
/// <param name="drawingContext">The target that we should draw to.</param>
protected void DrawLines(NetworkModel Network, AdaptiveGradientMap <Tuple <Brush, Pen> > colorMap, DrawingContext drawingContext)
{
//Draw all the lines.
foreach (Line line in Network.Lines)
{
if (line.ConnectedTo.Count() != 2)
{
continue;
}
Bus bus1 = (Bus)line.ConnectedTo.ElementAt(0);
Bus bus2 = (Bus)line.ConnectedTo.ElementAt(1);
if (!(bus1.Location.HasValue && bus2.Location.HasValue))
{
continue;
}
//color based on average value.
var bCol1 = BusVisibleTransform(bus1) ? BusColorTransform(bus1) : 0;
var bCol2 = BusVisibleTransform(bus2) ? BusColorTransform(bus2) : 0;
double v_avg = (bCol1 + bCol2) / 2;
drawingContext.DrawLine(
colorMap.Map(v_avg).Item2, //choose the right color for the value
ScaledLocation(bus1.Location.Value), //scale the locations to image coordinates.
ScaledLocation(bus2.Location.Value)
);
}
}
/// <summary>
/// Draws all the network buses, using the specified value transforms.
/// </summary>
/// <param name="Network">The network from which to draw buses.</param>
/// <param name="colorMap">A map of the colours to use from the specified gradient.</param>
/// <param name="busSizeLimits">The limits of <see cref="BusSizeTransform"/>,
/// used for scaling from that space to
/// [<see cref="BusSizeMin"/>, <see cref="BusSizeMax"/>].</param>
/// <param name="ringColorPen">A pen for drawing rings.</param>
/// <param name="drawingContext">The target that we should draw to.</param>
protected void DrawBuses(NetworkModel Network, AdaptiveGradientMap <Tuple <Brush, Pen> > colorMap, Limits busSizeLimits, Pen ringColorPen, DrawingContext drawingContext)
{
//Draw all the buses.
foreach (var bus in Network.Buses.Values)
{
if (!(BusVisibleTransform(bus) && bus.Location.HasValue))
{
continue;
}
var bSize = busSizeLimits.ValueScaledToLimits(BusSizeTransform(bus));
//value-dependant fill, no outline, centre is scaled, radius of 2 (small dots).
drawingContext.DrawEllipse(
colorMap.Map(BusColorTransform(bus)).Item1,
null, ScaledLocation(bus.Location.Value), bSize, bSize);
//Bus Ring
if (RingEnabledTransform(bus))
{
var ringRadius = RingDistanceFromCenter ?
/*true*/ RingDistanceTransform(bus) :
/*false*/ bSize + RingDistanceTransform(bus);
drawingContext.DrawEllipse(null, ringColorPen,
ScaledLocation(bus.Location.Value), ringRadius, ringRadius);
}
}
}
/// <summary>
/// Builds a gradient map based upon <see cref="BusColorGradient"/> and
/// <see cref="BusColorTransform"/> for the data in this network.
/// </summary>
/// <param name="Network">The network that data should be taken from.</param>
/// <returns>A map of gradients.</returns>
protected AdaptiveGradientMap <Tuple <Brush, Pen> > BuildGradientMap(NetworkModel Network)
{
//1. Setup adaptive gradient.
BusColorGradient.ResetAutoData();
foreach (var b in Network.Buses.Values)
{
BusColorGradient.ProcessData(BusColorTransform(b));
}
AdaptiveGradientMapBuilder mapBuilder = new AdaptiveGradientMapBuilder(BusColorGradient);
AdaptiveGradientMap <Tuple <Brush, Pen> > colorMap = mapBuilder.BuildGradientMap(c =>
{
Brush b = new SolidColorBrush(c);
b.Freeze();
Pen p = new Pen(b, LineThickness);
p.Freeze();
return(new Tuple <Brush, Pen>(b, p));
});
return(colorMap);
}
/// <inheritdoc />
public override Visual Draw()
{
if (Network == null)
{
throw new Exception("Network is Null");
}
if (PresentationMode && ColorConveysMostInformation())
{
ValueTransformableTreeGraph newGraph = GetAccessibleGraph();
return(newGraph.Draw());
}
ProtectInitialise();
Limits busSizeLimits = GetBusSizeLimits();
AdaptiveGradientMap <Tuple <Brush, Pen> > colorMap = BuildGradientMap(Network);
Pen ringColorPen = GetRingPen();
//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);
DrawLines(Network, colorMap, drawingContext);
DrawBuses(Network, colorMap, busSizeLimits, ringColorPen, drawingContext);
//free up resources
drawingContext.Close();
return(drawingVisual);
}
/// <summary>
/// Draws all the network lines.
/// </summary>
/// <param name="Network">The network from which to draw buses.</param>
/// <param name="colorMap">A map of the colours to use from the specified gradient.</param>
/// <param name="drawingContext">The target that we should draw to.</param>
protected void DrawLines(NetworkModel Network, AdaptiveGradientMap<Tuple<Brush, Pen>> colorMap, DrawingContext drawingContext)
{
//Draw all the lines.
foreach (Line line in Network.Lines)
{
if (line.ConnectedTo.Count() != 2)
continue;
Bus bus1 = (Bus)line.ConnectedTo.ElementAt(0);
Bus bus2 = (Bus)line.ConnectedTo.ElementAt(1);
if (!(bus1.Location.HasValue && bus2.Location.HasValue))
continue;
//color based on average value.
var bCol1 = BusVisibleTransform(bus1) ? BusColorTransform(bus1) : 0;
var bCol2 = BusVisibleTransform(bus2) ? BusColorTransform(bus2) : 0;
double v_avg = (bCol1 + bCol2) / 2;
drawingContext.DrawLine(
colorMap.Map(v_avg).Item2, //choose the right color for the value
ScaledLocation(bus1.Location.Value), //scale the locations to image coordinates.
ScaledLocation(bus2.Location.Value)
);
}
}
/// <summary>
/// Draws all the network buses, using the specified value transforms.
/// </summary>
/// <param name="Network">The network from which to draw buses.</param>
/// <param name="colorMap">A map of the colours to use from the specified gradient.</param>
/// <param name="busSizeLimits">The limits of <see cref="BusSizeTransform"/>,
/// used for scaling from that space to
/// [<see cref="BusSizeMin"/>, <see cref="BusSizeMax"/>].</param>
/// <param name="ringColorPen">A pen for drawing rings.</param>
/// <param name="drawingContext">The target that we should draw to.</param>
protected void DrawBuses(NetworkModel Network, AdaptiveGradientMap<Tuple<Brush, Pen>> colorMap, Limits busSizeLimits, Pen ringColorPen, DrawingContext drawingContext)
{
//Draw all the buses.
foreach (var bus in Network.Buses.Values)
{
if (!(BusVisibleTransform(bus) && bus.Location.HasValue))
continue;
var bSize = busSizeLimits.ValueScaledToLimits(BusSizeTransform(bus));
//value-dependant fill, no outline, centre is scaled, radius of 2 (small dots).
drawingContext.DrawEllipse(
colorMap.Map(BusColorTransform(bus)).Item1,
null, ScaledLocation(bus.Location.Value), bSize, bSize);
//Bus Ring
if (RingEnabledTransform(bus))
{
var ringRadius = RingDistanceFromCenter ?
/*true*/ RingDistanceTransform(bus) :
/*false*/ bSize + RingDistanceTransform(bus);
drawingContext.DrawEllipse(null, ringColorPen,
ScaledLocation(bus.Location.Value), ringRadius, ringRadius);
}
}
}
