private void chart1_PostPaint(object sender, System.Windows.Forms.DataVisualization.Charting.ChartPaintEventArgs e)
{
if(sender is ChartArea)
{
ChartArea area = (ChartArea)sender;
if(area.Name == "Default")
{
Point3D [] pt3d = new Point3D[4];
pt3d[0] = new Point3D();
pt3d[1] = new Point3D();
pt3d[2] = new Point3D();
pt3d[3] = new Point3D();
float depth = (float)area.GetSeriesDepth(chart1.Series[0]);
float zpos = (float)area.GetSeriesZPosition(chart1.Series[0]);
pt3d[0].Y = (float)area.AxisX.ValueToPosition(chart1.Series["Estimated"].Points[7].XValue);
pt3d[0].X = (float)area.AxisY.ValueToPosition(chart1.Series["Estimated"].Points[7].YValues[1]);
pt3d[0].Z = depth;
pt3d[1].Y = (float)area.AxisX.ValueToPosition(chart1.Series["Estimated"].Points[6].XValue);
pt3d[1].X = (float)area.AxisY.ValueToPosition(chart1.Series["Estimated"].Points[6].YValues[0]);
pt3d[1].Z = depth;
pt3d[2].Y = (float)area.AxisX.ValueToPosition(chart1.Series["Estimated"].Points[3].XValue);
pt3d[2].X = (float)area.AxisY.ValueToPosition(chart1.Series["Estimated"].Points[3].YValues[1]);
pt3d[2].Z = depth;
pt3d[3].Y = (float)area.AxisX.ValueToPosition(chart1.Series["Estimated"].Points[2].XValue);
pt3d[3].X = (float)area.AxisY.ValueToPosition(chart1.Series["Estimated"].Points[2].YValues[0]);
pt3d[3].Z = depth;
area.TransformPoints(pt3d);
PointF ptF1 = new PointF();
PointF ptF2 = new PointF();
PointF ptF3 = new PointF();
PointF ptF4 = new PointF();
PointF ptF5 = new PointF();
PointF ptF6 = new PointF();
ptF1 = e.ChartGraphics.GetAbsolutePoint(pt3d[0].PointF);
ptF3 = e.ChartGraphics.GetAbsolutePoint(pt3d[1].PointF);
ptF4 = e.ChartGraphics.GetAbsolutePoint(pt3d[2].PointF);
ptF6 = e.ChartGraphics.GetAbsolutePoint(pt3d[3].PointF);
ptF2.X = ptF3.X;
ptF2.Y = ptF1.Y;
ptF5.X = ptF6.X;
ptF5.Y = ptF4.Y;
// Take Graphics object from chart
Graphics graph = e.ChartGraphics.Graphics;
graph.DrawLine(new Pen(Color.Black,1), ptF1,ptF2);
graph.DrawLine(new Pen(Color.Black,1), ptF2,ptF3);
graph.DrawLine(new Pen(Color.Black,1), ptF4,ptF5);
graph.DrawLine(new Pen(Color.Black,1), ptF5,ptF6);
DrawArrow(graph, Color.Black, ptF3, ptF2, 22.5);
DrawArrow(graph, Color.Black, ptF6, ptF5, 22.5);
}
}
}
public void TransformPoints (Point3D[] points)
{
throw new NotImplementedException ();
}
private double DistanceInLightYears(string remoteSystemName)
{
double dist;
string localSystem;
localSystem = SystemToMeasureDistancesFrom();
if (_cachedSystemName != localSystem)
{
_cachedRemoteSystemDistances = new Dictionary<string, double>();
_cachedSystemName = localSystem.ToString();
_cachedSystemLocation = myMilkyway.getSystemCoordinates(localSystem);
}
remoteSystemName = remoteSystemName.ToUpper();
if (_cachedRemoteSystemDistances.ContainsKey(remoteSystemName))
{
dist = _cachedRemoteSystemDistances[remoteSystemName];
}
else
{
if (!myMilkyway.existSystem(localSystem) || _cachedSystemLocation == null)
{
dist = double.MaxValue;
}
else
{
var currentSystemLocation = _cachedSystemLocation;
dist = DistanceInLightYears(remoteSystemName, currentSystemLocation);
_cachedRemoteSystemDistances.Add(remoteSystemName, dist);
}
}
return dist;
}
private double DistanceInLightYears(string remoteSystemName, Point3D currentSystemLocation)
{
double dist;
Point3D remoteSystemLocation = myMilkyway.getSystemCoordinates(remoteSystemName);
if (remoteSystemLocation == null)
return double.MaxValue;
double xDelta = currentSystemLocation.X - remoteSystemLocation.X;
double yDelta = currentSystemLocation.Y - remoteSystemLocation.Y;
double zDelta = currentSystemLocation.Z - remoteSystemLocation.Z;
dist = Math.Sqrt(Math.Pow(xDelta, 2) + Math.Pow(yDelta, 2) + Math.Pow(zDelta, 2));
return dist;
}
private void chart1_PostPaint(object sender, System.Windows.Forms.DataVisualization.Charting.ChartPaintEventArgs e)
{
if(sender is ChartArea)
{
Series series = chart1.Series["Tasks"];
// Take Graphics object from chart
Graphics graph = e.ChartGraphics.Graphics;
for(int i = 0; i < series.Points.Count; i++)
{
if((i+1) < series.Points.Count && i != 1 && i != 3)
{
double p1X, p2X, p1Y, p2Y;
p1X = series.Points[i].XValue;
p2X = series.Points[i+1].XValue;
p1Y = series.Points[i].YValues[1];
p2Y = series.Points[i+1].YValues[0];
float pixelX1 = (float)e.ChartGraphics.GetPositionFromAxis("Default",AxisName.Y,p1Y);
float pixelY1 = (float)e.ChartGraphics.GetPositionFromAxis("Default",AxisName.X,p1X);
float pixelX2 = (float)e.ChartGraphics.GetPositionFromAxis("Default",AxisName.Y,p2Y);
float pixelY2 = (float)e.ChartGraphics.GetPositionFromAxis("Default",AxisName.X,p2X);
PointF point1 = PointF.Empty;
PointF point2 = PointF.Empty;
PointF point3 = PointF.Empty;
point1.X = pixelX1;
point1.Y = pixelY1;
point2.X = pixelX2;
point2.Y = pixelY2;
// make the middle right-angle point
point3.X = pixelX2;
point3.Y = pixelY1;
// If 3D, we need to transform the 3D points into 2D points
if(checkBoxShow3D.Checked)
{
// Get Z position for this series, and then add half of series depth so that
// custom drawing occurs at the front of the data points
float ZPosition = chart1.ChartAreas["Default"].GetSeriesZPosition(series);
ZPosition = ZPosition + (float)0.5*(chart1.ChartAreas["Default"].GetSeriesDepth(series));
// Create 3D points for the 2D points
Point3D[] My3DPoint = new Point3D[3];
My3DPoint[0] = new Point3D(point1.X,point1.Y,ZPosition);
My3DPoint[1] = new Point3D(point2.X,point2.Y,ZPosition);
My3DPoint[2] = new Point3D(point3.X,point3.Y,ZPosition);
// Transform so that new 2D points has new X and Y values that take into account the Z position
chart1.ChartAreas["Default"].TransformPoints(My3DPoint);
point1 = My3DPoint[0].PointF;
point2 = My3DPoint[1].PointF;
point3 = My3DPoint[2].PointF;
}
// Convert relative coordinates to absolute coordinates.
point1 = e.ChartGraphics.GetAbsolutePoint(point1);
point2 = e.ChartGraphics.GetAbsolutePoint(point2);
point3 = e.ChartGraphics.GetAbsolutePoint(point3);
// Draw connection line
graph.DrawLine(new Pen(Color.Black,2), point1,point3);
graph.DrawLine(new Pen(Color.Black,2), point3,point2);
DrawArrow(graph, Color.Black, point2, point3, 22.5);
}
}
}
}
