private static void DrawEdge(XGraphics g, Edge e, LayoutProvider layout, NetworkColorizer colorizer)
{
Vector3 p1 = layout.GetPositionOfNode(e.Source);
Vector3 p2 = layout.GetPositionOfNode(e.Target);
g.DrawLine(new Pen(colorizer[e], 0.05f), p1.X, p1.Y, p2.X, p2.Y);
}
internal NetworkVisualizer(Network network, LayoutProvider layout, NetworkColorizer colorizer, int width, int height)
: base(width, height, OpenTK.Graphics.GraphicsMode.Default, "NETGen Display")
{
Keyboard.KeyDown += new EventHandler<KeyboardKeyEventArgs>(Keyboard_KeyDown);
Mouse.ButtonDown += new EventHandler<MouseButtonEventArgs>(Mouse_ButtonDown);
Mouse.ButtonUp += new EventHandler<MouseButtonEventArgs>(Mouse_ButtonUp);
Mouse.Move += new EventHandler<MouseMoveEventArgs>(Mouse_Move);
Mouse.WheelChanged += new EventHandler<MouseWheelEventArgs>(Mouse_WheelChanged);
ComputeNodeSize = new Func<Vertex, float>(v => {
return 2f;
});
ComputeEdgeWidth = new Func<Edge, float>( e => {
return 0.05f;
});
_network = network;
_layout = layout;
_layout.Init(Width, Height, network);
if (colorizer == null)
_colorizer = new NetworkColorizer();
else
_colorizer = colorizer;
}
internal NetworkVisualizer(Network network, LayoutProvider layout, NetworkColorizer colorizer, int width, int height) : base(width, height, OpenTK.Graphics.GraphicsMode.Default, "NETGen Display")
{
Keyboard.KeyDown += new EventHandler <KeyboardKeyEventArgs>(Keyboard_KeyDown);
Mouse.ButtonDown += new EventHandler <MouseButtonEventArgs>(Mouse_ButtonDown);
Mouse.ButtonUp += new EventHandler <MouseButtonEventArgs>(Mouse_ButtonUp);
Mouse.Move += new EventHandler <MouseMoveEventArgs>(Mouse_Move);
Mouse.WheelChanged += new EventHandler <MouseWheelEventArgs>(Mouse_WheelChanged);
ComputeNodeSize = new Func <Vertex, float>(v => {
return(2f);
});
ComputeEdgeWidth = new Func <Edge, float>(e => {
return(0.05f);
});
_network = network;
_layout = layout;
_layout.Init(Width, Height, network);
if (colorizer == null)
{
_colorizer = new NetworkColorizer();
}
else
{
_colorizer = colorizer;
}
}
private static void DrawEdge(XGraphics g, Edge e, LayoutProvider layout, NetworkColorizer colorizer)
{
Vector3 p1 = layout.GetPositionOfNode(e.Source);
Vector3 p2 = layout.GetPositionOfNode(e.Target);
float width = ComputeEdgeWidth(e);
g.DrawLine(new Pen(colorizer[e], width), p1.X, p1.Y, p2.X, p2.Y);
}
private static void DrawVertex(XGraphics g, Vertex v, LayoutProvider layout, NetworkColorizer colorizer)
{
Vector3 p = layout.GetPositionOfNode(v);
double size = Math.Min(2f, Math.Max(0.05d, Math.Log10(v.Degree)));
if (!double.IsNaN(p.X) &&
!double.IsNaN(p.Y) &&
!double.IsNaN(p.Z))
g.DrawEllipse(new SolidBrush(colorizer[v]), p.X - size/2d, p.Y - size/2d, size, size);
}
private static void DrawVertex(XGraphics g, Vertex v, LayoutProvider layout, NetworkColorizer colorizer)
{
Vector3 p = layout.GetPositionOfNode(v);
double size = ComputeNodeSize(v);
if (!double.IsNaN(p.X) &&
!double.IsNaN(p.Y) &&
!double.IsNaN(p.Z))
{
g.DrawEllipse(new SolidBrush(colorizer[v]), p.X - size / 2d, p.Y - size / 2d, size, size);
}
}
private static void Draw(XGraphics g, Network n, LayoutProvider layout, NetworkColorizer colorizer)
{
lock (n)
{
if (g == null)
return;
g.SmoothingMode = PdfSharp.Drawing.XSmoothingMode.HighQuality;
g.Clear(Color.White);
foreach (Edge e in n.Edges)
DrawEdge(g, e, layout, colorizer);
foreach (Vertex v in n.Vertices)
DrawVertex(g, v, layout, colorizer);
}
}
/// <summary>
/// Creates a new instance of a Networkvisualizer which renders the specified network in real-time
/// </summary>
/// <param name='n'>
/// N.
/// </param>
/// <param name='layout'>
/// Layout.
/// </param>
public static void Start(Network network, LayoutProvider layout, NetworkColorizer colorizer = null, int width = 800, int height = 600)
{
// The actual rendering needs to be done in a separate thread placed in the single thread appartment state
_mainThread = new Thread(new ThreadStart(new Action(delegate() {
Instance = new NetworkVisualizer(network, layout, colorizer, width, height);
_initialized.Set();
Instance.Run(80f);
})));
_mainThread.SetApartmentState(ApartmentState.STA);
_mainThread.Name = "STA Thread for NETGen Visualizer";
// Fire up the thread
_mainThread.Start();
_initialized.WaitOne();
}
public static void CreatePDF(string path, Network n, LayoutProvider layout, NetworkColorizer colorizer)
{
PdfSharp.Pdf.PdfDocument doc = new PdfDocument();
doc.Info.Title = "Network";
doc.Info.Subject = "Created by NETGen";
PdfPage page = doc.AddPage();
page.Size = PageSize.A4;
page.Orientation = PageOrientation.Landscape;
// Draw the network to the xgraphics object
Draw(XGraphics.FromPdfPage(page), n, layout, colorizer);
// Save the s_document...
doc.Save(path);
}
private static void Draw(XGraphics g, Network n, LayoutProvider layout, NetworkColorizer colorizer)
{
lock (n)
{
if (g == null)
{
return;
}
g.SmoothingMode = PdfSharp.Drawing.XSmoothingMode.HighQuality;
g.Clear(Color.White);
foreach (Edge e in n.Edges)
{
DrawEdge(g, e, layout, colorizer);
}
foreach (Vertex v in n.Vertices)
{
DrawVertex(g, v, layout, colorizer);
}
}
}
public static void CreatePDF(string path, Network n, LayoutProvider layout, NetworkColorizer colorizer = null)
{
PdfSharp.Pdf.PdfDocument doc = new PdfDocument();
doc.Info.Title = "Network";
doc.Info.Subject = "Created by NETGen";
PdfPage page = doc.AddPage();
page.Size = PageSize.A4;
page.Orientation = PageOrientation.Landscape;
if (colorizer != null)
{
// Draw the network to the xgraphics object
Draw(XGraphics.FromPdfPage(page), n, layout, colorizer);
}
else
{
Draw(XGraphics.FromPdfPage(page), n, layout, new NetworkColorizer());
}
// Save the s_document...
doc.Save(path);
}
/// <summary>
/// Creates a new instance of a Networkvisualizer which renders the specified network in real-time
/// </summary>
/// <param name='n'>
/// N.
/// </param>
/// <param name='layout'>
/// Layout.
/// </param>
public static void Start(Network network, LayoutProvider layout, NetworkColorizer colorizer = null, int width=800, int height=600)
{
// The actual rendering needs to be done in a separate thread placed in the single thread appartment state
_mainThread = new Thread(new ThreadStart(new Action(delegate() {
Instance = new NetworkVisualizer(network, layout, colorizer, width, height);
_initialized.Set();
Instance.Run(80f);
})));
_mainThread.SetApartmentState(ApartmentState.STA);
_mainThread.Name = "STA Thread for NETGen Visualizer";
// Fire up the thread
_mainThread.Start();
_initialized.WaitOne();
}
private static void DrawVertex(XGraphics g, Vertex v, LayoutProvider layout, NetworkColorizer colorizer)
{
Vector3 p = layout.GetPositionOfNode(v);
double size = ComputeNodeSize(v);
if (!double.IsNaN(p.X) &&
!double.IsNaN(p.Y) &&
!double.IsNaN(p.Z))
g.DrawEllipse(new SolidBrush(colorizer[v]), p.X - size/2d, p.Y - size/2d, size, size);
}