private void AddSurface(Graphics g, DataSeries ds, Draw3DSkin skin3d)
{
SolidBrush abrush = new SolidBrush(Color.AliceBlue);
Pen apen = new Pen(ds.DataLine.LineColor, ds.DataLine.Thickness);
apen.DashStyle = ds.DataLine.LineStyle;
Matrix3 m = Matrix3.AzimuthElevation(cs.Elevation, cs.Azimuth);
Point3[,] pts = ds.CloneDataSet();
int len0 = pts.GetLength(0);
int len1 = pts.GetLength(1);
Point3[,] pts1 = new Point3[len0, len1];
PointF[] pta = new PointF[4];
for (int i = 0; i < len0; i++)
{
for (int j = 0; j < len1; j++)
{
pts1[i, j] = new Point3(pts[i, j].X, pts[i, j].Y, pts[i, j].Z, 1);
pts[i, j].Transform(m, panel.Size, cs);
}
}
//Draw Surface
for (int i = 0; i < len0 - 1; i++)
{
for (int j = 0; j < len1 - 1; j++)
{
int ii = i;
if (cs.Azimuth >= -180 && cs.Azimuth < 0)
{
ii = len0 - 2 - i;
}
Point3[] p3 = new Point3[4];
p3[0] = pts1[ii, j];
p3[1] = pts1[ii, j + 1];
p3[2] = pts1[ii + 1, j + 1];
p3[3] = pts1[ii + 1, j];
Interp(g, skin3d, m, p3, ds.Zmin, ds.Zmax, 1);
pta[0] = new PointF(pts[ii, j].X, pts[ii, j].Y);
pta[1] = new PointF(pts[ii, j + 1].X, pts[ii, j + 1].Y);
pta[2] = new PointF(pts[ii + 1, j + 1].X, pts[ii + 1, j + 1].Y);
pta[3] = new PointF(pts[ii + 1, j].X, pts[ii + 1, j].Y);
//g.DrawPolygon(apen, pta);
}
}
if (cs.FullScale)
{
DrawCurtain(g, m, pts1, ds.Zmin, ds.Zmax);
}
apen.Dispose();
abrush.Dispose();
}
private void Interp(Graphics g, Draw3DSkin skin3d, Matrix3 m
, Point3[] pta, float zmin, float zmax, int flag)
{
SolidBrush abrush = new SolidBrush(Color.Black);
PointF[] pf = new PointF[4];
int nPoint = NumberInterp;
Point3[,] pts = new Point3[nPoint + 1, nPoint + 1];
Point3[,] pts1 = new Point3[nPoint + 1, nPoint + 1];
float x0 = pta[0].X;
float y0 = pta[0].Y;
float x1 = pta[2].X;
float y1 = pta[2].Y;
float dx = (x1 - x0) / nPoint;
float dy = (y1 - y0) / nPoint;
float C00 = pta[0].Z;
float C01 = pta[1].Z;
float C11 = pta[2].Z;
float C10 = pta[3].Z;
float x, y, C;
Color color;
if (flag == 1) //Surface chart
{
for (int i = 0; i <= nPoint; i++)
{
x = x0 + dx * i;
for (int j = 0; j <= nPoint; j++)
{
y = y0 + dy * j;
C = ((y1 - y) * ((x1 - x) * C00 + (x - x0) * C10)
+ (y - y0) * ((x1 - x) * C01 + (x - x0) * C11))
/ (x1 - x0) / (y1 - y0);
pts[i, j] = new Point3(x, y, C, 1);
pts[i, j].Transform(m, panel.Size, cs);
}
}
for (int i = 0; i < nPoint; i++)
{
for (int j = 0; j < nPoint; j++)
{
color = AddColor(pts[i, j], zmin, zmax);
abrush = new SolidBrush(color);
pf[0] = new PointF(pts[i, j].X, pts[i, j].Y);
pf[1] = new PointF(pts[i, j + 1].X, pts[i, j + 1].Y);
pf[2] = new PointF(pts[i + 1, j + 1].X, pts[i + 1, j + 1].Y);
pf[3] = new PointF(pts[i + 1, j].X, pts[i + 1, j].Y);
g.FillPolygon(abrush, pf);
}
}
}
abrush.Dispose();
}
private void AddColorBar(Graphics g, DataSeries ds, Draw3DSkin skin3d)
{
SolidBrush abrush = new SolidBrush(cs.TickColor);
using (Pen apen = new Pen(Color.Black, 1))
{
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Near;
SizeF size = g.MeasureString("A", cs.TickFont);
int x, y, w, h;
Point3[] pts = new Point3[64];
PointF[] pta = new PointF[4];
float dz = ds.Zdistance / 63;
x = 5 * panel.Width / 6 + 25;
y = panel.Height / 10;
w = panel.Width / 40;
h = 3 * panel.Height / 5;
//Add Color Bar
for (int i = 0; i < 64; i++)
{
pts[i] = new Point3(x, y, ds.Zmin + i * dz, 1);
}
for (int i = 0; i < 63; i++)
{
Color color = AddColor(pts[i], ds.Zmin, ds.Zmax);
abrush = new SolidBrush(color);
float y1 = y + h - h * (pts[i].Z - ds.Zmin) / ds.Zdistance;
float y2 = y + h - h * (pts[i + 1].Z - ds.Zmin) / ds.Zdistance;
pta[0] = new PointF(x, y2);
pta[1] = new PointF(x + w, y2);
pta[2] = new PointF(x + w, y1);
pta[3] = new PointF(x, y1);
g.FillPolygon(abrush, pta);
}
g.DrawRectangle(apen, x, y, w, h);
//Add ticks and label to color bar
float tickLength = 0.1f * w;
for (float z = ds.Zmin; z <= ds.Zmax; z += (ds.Zmax - ds.Zmin) / 6)
{
float yy = y + h - h * (z - ds.Zmin) / ds.Zdistance;
g.DrawLine(apen, x, yy, x + tickLength, yy);
g.DrawLine(apen, x + w, yy, x + w - tickLength, yy);
g.DrawString(Math.Round(z, 2).ToString(), cs.TickFont
, abrush, new PointF(x + w + 5, yy - size.Height / 2), sf);
}
}
abrush.Dispose();
}
public void AddPartialChart(Graphics g, DataSeries ds, Draw3DSkin skin3d, int pos1, int pos2)
{
//Debug.WriteLine("Entering AddChart panel=" + panel.Width.ToString()
//+ "," + panel.Height.ToString());
if (ds.XArray != null)
{
AddPartialSurface(g, ds, skin3d, pos1, pos2);
//AddMesh(g, ds, cs);
AddColorBar(g, ds, skin3d);
}
Debug.WriteLine("Exit AddChart panel=" + panel.Width.ToString()
+ "," + panel.Height.ToString());
}
public Form1()
{
InitializeComponent();
Screen myScreen = Screen.FromControl(this);
Rectangle area = myScreen.WorkingArea;
float ratio = area.Width / area.Height;
int w, h;
Point pos;
if (ratio < 1.5)
{
h = (int)(area.Height * 0.9);
w = (int)(h * 1.5);
pos = new Point(w / 12, h / 12);
}
else
{
w = (int)(area.Width * 0.9);
h = (int)(w / 1.5);
pos = new Point(w / 12, h / 12);
}
this.Size = new Size(w, h);
this.Location = pos;
this.BackColor = Color.AliceBlue;
cs3 = new ChartStyle();
drawBase3 = new Draw3DBase(panel3D, cs3);
draw3 = new Draw3DChart(panel3D, cs3);
draw3.NumberInterp = 5;
ColorMap cm = new ColorMap();
draw3.CMap = cm.Jet();
skin3 = new Draw3DSkin(panel3D);
skin3.PlotBackColor = this.BackColor;
skin3.PlotBorderColor = this.BackColor;
//Init trackBar
PosMin = 0;
PosMax = 50000;
DrawTrackBar();
//Data Generation
InitCSPara();
ds = new DataSeries();
//ds.Random3D(cs3);
ds.DataLine.LineColor = Color.DarkBlue;
ds.DataLine.Thickness = 1;
panel3D.Paint += new PaintEventHandler(Plot3D);
panel3D.BackColor = Color.Cornsilk;
//ds.ZdataStat();
lbAvg.Text = ds.Zavg.ToString("0.000");
lbMax.Text = ds.Zmax.ToString("0.000");
lbMin.Text = ds.Zmin.ToString("0.000");
//2D view
panel2D.Paint += new PaintEventHandler(Plot2D);
panel2D.BackColor = Color.Azure;
draw2 = new DrawSection(panel2D, cs3);
//two sets of horizontal and vertical rulers
dl_array = new DraggableLine[dl_num];
dl_array[0] = new DraggableLine(new Pen(Color.Navy, 2), 0, true);
dl_array[1] = new DraggableLine(new Pen(Color.Navy, 2), 0, false);
dl_array[2] = new DraggableLine(new Pen(Color.DarkGreen, 2), 15, true);
dl_array[3] = new DraggableLine(new Pen(Color.DarkGreen, 2), 15, false);
}
