private void AddSlice(Graphics g, DataSeries ds, ChartStyle cs,
ChartStyle2D cs2d, Axes ax, ViewAngle va, ChartLabels cl)
{
Pen aPen = new Pen(ds.LineStyle.LineColor, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
SolidBrush aBrush = new SolidBrush(Color.Black);
Point4[, ,] pts = ds.Point4Array;
PointF[] pta = new PointF[4];
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
// Find the minumum and maximum v values:
float vmin = ds.VDataMin();
float vmax = ds.VDataMax();
// Perform transformation on points:
for (int i = 0; i < pts.GetLength(0); i++)
{
for (int j = 0; j < pts.GetLength(1); j++)
{
for (int k = 0; k < pts.GetLength(2); k++)
{
pts[i, j, k].point3.Transform(m, chart3d, ax, cs, cl);
pts[i, j, k].point3.Z = pts[i, j, k].V;
}
}
}
// Select slice:
if (XYZSlice == SliceEnum.XSlice)
{
if (SliceLocation < ax.XMin)
SliceLocation = ax.XMin;
if (SliceLocation > ax.XMax)
SliceLocation = ax.XMax;
int nfix = (int)((SliceLocation - ds.XDataMin) / ds.XSpacing) + 1;
for (int j = 0; j < pts.GetLength(1) - 1; j++)
{
for (int k = 0; k < pts.GetLength(2) - 1; k++)
{
pta[0] = new PointF(pts[nfix, j, k].point3.X, pts[nfix, j, k].point3.Y);
pta[1] = new PointF(pts[nfix, j + 1, k].point3.X, pts[nfix, j + 1, k].point3.Y);
pta[2] = new PointF(pts[nfix, j + 1, k + 1].point3.X, pts[nfix, j + 1, k + 1].point3.Y);
pta[3] = new PointF(pts[nfix, j, k + 1].point3.X, pts[nfix, j, k + 1].point3.Y);
Color color = AddColor(cs, pts[nfix, j, k].point3, vmin, vmax, ax, va, cl);
aBrush = new SolidBrush(color);
g.FillPolygon(aBrush, pta);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pta);
}
}
}
}
else if (XYZSlice == SliceEnum.YSlice)
{
if (SliceLocation < ax.YMin)
SliceLocation = ax.YMin;
if (SliceLocation > ax.YMax)
SliceLocation = ax.YMax;
int nfix = (int)((SliceLocation - ds.YDataMin) / ds.YSpacing) + 1;
for (int i = 0; i < pts.GetLength(0) - 1; i++)
{
for (int k = 0; k < pts.GetLength(2) - 1; k++)
{
pta[0] = new PointF(pts[i, nfix, k].point3.X, pts[i, nfix, k].point3.Y);
pta[1] = new PointF(pts[i + 1, nfix, k].point3.X, pts[i + 1, nfix, k].point3.Y);
pta[2] = new PointF(pts[i + 1, nfix, k + 1].point3.X, pts[i + 1, nfix, k + 1].point3.Y);
pta[3] = new PointF(pts[i, nfix, k + 1].point3.X, pts[i, nfix, k + 1].point3.Y);
Color color = AddColor(cs, pts[i, nfix, k].point3, vmin, vmax, ax, va, cl);
aBrush = new SolidBrush(color);
g.FillPolygon(aBrush, pta);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pta);
}
}
}
}
else if (XYZSlice == SliceEnum.ZSlice)
{
if (SliceLocation < ax.ZMin)
SliceLocation = ax.ZMin;
if (SliceLocation > ax.ZMax)
SliceLocation = ax.ZMax;
int nfix = (int)((SliceLocation - ds.ZZDataMin) / ds.ZSpacing) + 1;
for (int i = 0; i < pts.GetLength(0) - 1; i++)
{
for (int j = 0; j < pts.GetLength(1) - 1; j++)
{
pta[0] = new PointF(pts[i, j, nfix].point3.X, pts[i, j, nfix].point3.Y);
pta[1] = new PointF(pts[i + 1, j, nfix].point3.X, pts[i + 1, j, nfix].point3.Y);
pta[2] = new PointF(pts[i + 1, j + 1, nfix].point3.X, pts[i + 1, j + 1, nfix].point3.Y);
pta[3] = new PointF(pts[i, j + 1, nfix].point3.X, pts[i, j + 1, nfix].point3.Y);
Color color = AddColor(cs, pts[i, j, nfix].point3, vmin, vmax, ax, va, cl);
aBrush = new SolidBrush(color);
g.FillPolygon(aBrush, pta);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pta);
}
}
}
}
aPen.Dispose();
aBrush.Dispose();
}
public void AddColorBar(Graphics g, DataSeries ds, ChartStyle cs,
ChartStyle2D cs2d, Axes ax, ViewAngle va, ChartLabels cl)
{
if (cs.IsColorBar && IsColorMap)
{
Pen aPen = new Pen(Color.Black, 1);
SolidBrush aBrush = new SolidBrush(cl.TickFontColor);
StringFormat sFormat = new StringFormat();
sFormat.Alignment = StringAlignment.Near;
SizeF size = g.MeasureString("A", cl.TickFont);
int x, y, width, height;
Point3[] pts = new Point3[64];
PointF[] pta = new PointF[4];
float zmin, zmax;
if (ChartType == ChartTypeEnum.Slice)
{
zmin = ds.VDataMin();
zmax = ds.VDataMax();
}
else
{
zmin = ds.ZDataMin();
zmax = ds.ZDataMax();
}
float dz = (zmax - zmin) / 63;
if (ChartType == ChartTypeEnum.Contour ||
ChartType == ChartTypeEnum.FillContour ||
ChartType == ChartTypeEnum.XYColor)
{
x = 5 * cs2d.ChartArea.Width / 6;
y = cs2d.PlotArea.Y;
width = cs2d.ChartArea.Width / 25;
height = cs2d.PlotArea.Height;
// Add color bar:
for (int i = 0; i < 64; i++)
{
pts[i] = new Point3(x, y, zmin + i * dz, 1);
}
for (int i = 0; i < 63; i++)
{
Color color = AddColor(cs, pts[i], zmin, zmax, ax, va, cl);
aBrush = new SolidBrush(color);
float y1 = y + height - (pts[i].Z - zmin) * height / (zmax - zmin);
float y2 = y + height - (pts[i + 1].Z - zmin) * height / (zmax - zmin);
pta[0] = new PointF(x, y2);
pta[1] = new PointF(x + width, y2);
pta[2] = new PointF(x + width, y1);
pta[3] = new PointF(x, y1);
g.FillPolygon(aBrush, pta);
}
g.DrawRectangle(aPen, x, y, width, height);
// Add ticks and labels to the color bar:
float ticklength = 0.1f * width;
for (float z = zmin; z <= zmax; z = z + (zmax - zmin) / 6)
{
float yy = y + height - (z - zmin) * height / (zmax - zmin);
g.DrawLine(aPen, x, yy, x + ticklength, yy);
g.DrawLine(aPen, x + width, yy, x + width - ticklength, yy);
g.DrawString((Math.Round(z, 2)).ToString(), cl.TickFont, Brushes.Black,
new PointF(x + width + 5, yy - size.Height / 2), sFormat);
}
}
else
{
x = 5 * cs2d.ChartArea.Width / 6;
y = cs2d.ChartArea.Height / 10;
width = cs2d.ChartArea.Width / 25;
height = 8 * cs2d.ChartArea.Height / 10;
// Add color bar:
for (int i = 0; i < 64; i++)
{
pts[i] = new Point3(x, y, zmin + i * dz, 1);
}
for (int i = 0; i < 63; i++)
{
Color color = AddColor(cs, pts[i], zmin, zmax, ax, va, cl);
aBrush = new SolidBrush(color);
float y1 = y + height - (pts[i].Z - zmin) * height / (zmax - zmin);
float y2 = y + height - (pts[i + 1].Z - zmin) * height / (zmax - zmin);
pta[0] = new PointF(x, y2);
pta[1] = new PointF(x + width, y2);
pta[2] = new PointF(x + width, y1);
pta[3] = new PointF(x, y1);
g.FillPolygon(aBrush, pta);
}
g.DrawRectangle(aPen, x, y, width, height);
// Add ticks and labels to the color bar:
float ticklength = 0.1f * width;
for (float z = zmin; z <= zmax; z = z + (zmax - zmin) / 6)
{
float yy = y + height - (z - zmin) * height / (zmax - zmin);
g.DrawLine(aPen, x, yy, x + ticklength, yy);
g.DrawLine(aPen, x + width, yy, x + width - ticklength, yy);
g.DrawString((Math.Round(z, 2)).ToString(), cl.TickFont, Brushes.Black,
new PointF(x + width + 5, yy - size.Height / 2), sFormat);
}
}
}
}