public Plot2D Project(Plot3D p)
{
Plot2D plot2D = new Plot2D {
LinesH = p.LinesH, LinesV = p.LinesV, Size = p.Size
};
foreach (PPoint3D point in p.GetPoints())
{
var num = (float)Math.Sqrt(point.SquareLen());
plot2D.AddPoint(new PPoint2D(point.X / num, point.Y / num, point.Color, point.Visible));
}
return(plot2D);
}
public Plot2D Project(Plot3D p)
{
Plot2D plot2D = new Plot2D {
LinesH = p.LinesH, LinesV = p.LinesV, Size = p.Size
};
foreach (PPoint3D point in p.GetPoints())
{
plot2D.AddPoint(new PPoint2D(point.X * _ez / point.Z, point.Y * _ez / point.Z, point.Color,
point.Visible));
}
return(plot2D);
}
public Plot3D Project(Plot2D p)
{
Plot3D plot3D = new Plot3D {
LinesH = p.LinesH, LinesV = p.LinesV, Size = p.Size
};
foreach (PPoint2D point in p.GetPoints())
{
var num = point.SquareLen();
plot3D.AddPoint(new PPoint3D((float)(2.0 * point.X / (num + 1.0)),
(float)(2.0 * point.Y / (num + 1.0)), (float)((num - 1.0) / (num + 1.0)), point.Color,
point.Visible));
}
return(plot3D);
}
public Plot2D UnProject(Plot3D p)
{
Plot2D plot2D = new Plot2D {
LinesH = p.LinesH, LinesV = p.LinesV, Size = p.Size
};
foreach (PPoint3D point in p.GetPoints())
{
PPoint3D ppoint3D = point;
plot2D.AddPoint(new PPoint2D(ppoint3D.X / (1f - ppoint3D.Z), ppoint3D.Y / (1f - ppoint3D.Z),
point.Color == Color.Empty
? Extensions.HsvToRgb(360.0 * (point.Z - (double)p.MinZ) / (p.MaxZ - (double)p.MinZ), 1.0, 1.0)
: point.Color, point.Visible));
}
return(plot2D);
}
void SurfacePlot(Plot3D surfacePlot)
{
// Example surface plot:
int nx = 96;
int ny = 96;
var x2 = MathHelper.MeshGridX(Enumerable.Range(1, nx).Select(t => (double)t - nx / 2), ny);
var y2 = MathHelper.MeshGridY(Enumerable.Range(1, ny).Select(t => (double)t - ny / 2), nx);
var z2 = x2.Zip(y2, (u, v) => Math.Exp((-u * u - v * v) / 400)); // .NET4 method
//var z2 = x2.Select(u => u * u);
SurfaceModel3D surface = new SurfaceModel3D(x2, y2, z2, nx, ny);
surface.Transparency = 5;
surface.MeshLines = MeshLines.None;
surface.SurfaceShading = SurfaceShading.Smooth;
surfacePlot.Viewport3D.Models.Add(surface);
//surfacePlot.LeftLabel.Text = "Left Label"; plot3.BottomLabel.Text = "Bottom Label";
}
public MainWindow()
{
InitializeComponent();
// 3D plot
graphBuilder3dForm = new GraphBuilder2DForm();
functionPlot3d = new Plot3D("functionPlot3d");
coefficientsPlot3d = new Plot3D("coefficientsPlot3d");
restoredFunctionPlot3d = new Plot3D("restoredFunctionPlot3d");
graphBuilder3dForm.GraphBuilder.Set3DMode();
graphBuilder3dForm.GraphBuilder.ChartPanel.Aspect.Chart3DPercent = 100;
graphBuilder3dForm.GraphBuilder.DrawPlot(functionPlot3d);
graphBuilder3dForm.GraphBuilder.DrawPlot(coefficientsPlot3d);
graphBuilder3dForm.GraphBuilder.DrawPlot(restoredFunctionPlot3d);
graphBuilder3dForm.Show();
// 2D plot
graphBuilder2dForm = new GraphBuilder2DForm();
originalFPlot = new Plot2D("original F");
coefficientsOfFPlot = new Plot2D("coefficients of F");
restoredFPlot = new Plot2D("restored F");
guessedGPlot = new Plot2D("guessed G");
guessedFFromGPlot = new Plot2D("guessed F from G");
guessedGCoefficients = new Plot2D("guessed coefficients of G");
graphBuilder2dForm.GraphBuilder.DrawPlot(originalFPlot);
graphBuilder2dForm.GraphBuilder.DrawPlot(coefficientsOfFPlot);
graphBuilder2dForm.GraphBuilder.DrawPlot(restoredFPlot);
graphBuilder2dForm.GraphBuilder.DrawPlot(guessedGPlot);
graphBuilder2dForm.GraphBuilder.DrawPlot(guessedFFromGPlot);
graphBuilder2dForm.GraphBuilder.DrawPlot(guessedGCoefficients);
graphBuilder2dForm.Show();
}
