public void Transform(Matrix3 m, Chart3D chart3d, Axes ax,
ChartStyle cs, ChartLabels cl)
{
// Normalize the point:
float x1 = (X - ax.XMin) / (ax.XMax - ax.XMin) - 0.5f;
float y1 = (Y - ax.YMin) / (ax.YMax - ax.YMin) - 0.5f;
float z1 = (Z - ax.ZMin) / (ax.ZMax - ax.ZMin) - 0.5f;
// Perform transformation on the point using matrix m:
float[] result = m.VectorMultiply(new float[4] { x1, y1, z1, W });
X = result[0];
Y = result[1];
// Coordinate transformation from World to Device system:
float xShift = 1.05f;
float xScale = 1;
float yShift = 1.05f;
float yScale = 0.9f;
if (cl.Title == "No Title")
{
yShift = 0.95f;
yScale = 1;
}
if (cs.IsColorBar)
{
xShift = 0.95f;
xScale = 0.9f;
}
X = (xShift + xScale * X) * chart3d.Width / 2;
Y = (yShift - yScale * Y) * chart3d.Height / 2;
}
public void AddChartStyle2D(Graphics g, ChartStyle cs3d, Axes ax, Grid gd,
ChartLabels cl)
{
SetPlotArea(g, cs3d, cl, ax);
Pen aPen = new Pen(Color.Black, 1f);
SizeF tickFontSize = g.MeasureString("A", cl.TickFont);
// Create vertical gridlines:
float fX, fY;
if (gd.IsYGrid == true)
{
aPen = new Pen(gd.GridStyle.LineColor, 1f);
aPen.DashStyle = gd.GridStyle.Pattern;
for (fX = ax.XMin + ax.XTick; fX < ax.XMax; fX += ax.XTick)
{
g.DrawLine(aPen, Point2D(new PointF(fX, ax.YMin), ax),
Point2D(new PointF(fX, ax.YMax), ax));
}
}
// Create horizontal gridlines:
if (gd.IsXGrid == true)
{
aPen = new Pen(gd.GridStyle.LineColor, 1f);
aPen.DashStyle = gd.GridStyle.Pattern;
for (fY = ax.YMin + ax.YTick; fY < ax.YMax; fY += ax.YTick)
{
g.DrawLine(aPen, Point2D(new PointF(ax.XMin, fY),ax),
Point2D(new PointF(ax.XMax, fY),ax));
}
}
// Create the x-axis tick marks:
for (fX = ax.XMin; fX <= ax.XMax; fX += ax.XTick)
{
PointF yAxisPoint = Point2D(new PointF(fX, ax.YMin), ax);
g.DrawLine(Pens.Black, yAxisPoint, new PointF(yAxisPoint.X,
yAxisPoint.Y - 5f));
}
// Create the y-axis tick marks:
for (fY = ax.YMin; fY <= ax.YMax; fY += ax.YTick)
{
PointF xAxisPoint = Point2D(new PointF(ax.XMin, fY), ax);
g.DrawLine(Pens.Black, xAxisPoint,
new PointF(xAxisPoint.X + 5f, xAxisPoint.Y));
}
aPen.Dispose();
}
public Chart3D()
{
InitializeComponent();
this.SetStyle(ControlStyles.ResizeRedraw, true);
cs = new ChartStyle(this);
cs2d = new ChartStyle2D(this);
dc = new DrawChart(this);
ds = new DataSeries();
ax = new Axes(this);
va = new ViewAngle(this);
gd = new Grid(this);
cl = new ChartLabels(this);
gd.GridStyle.LineColor = Color.LightGray;
this.BackColor = Color.White;
cm = new ColorMap();
dc.CMap = cm.Jet();
}
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();
}
private void AddXYColor(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.White);
PointF[] pta = new PointF[4];
Point3[,] pts = ds.PointArray;
Matrix3 m = new Matrix3();
// Find the minumum and maximum z values:
float zmin = ds.ZDataMin();
float zmax = ds.ZDataMax();
// Draw surface on the XY plane:
if (!IsInterp)
{
for (int i = 0; i < pts.GetLength(0) - 1; i++)
{
for (int j = 0; j < pts.GetLength(1) - 1; j++)
{
pta[0] = cs2d.Point2D(new PointF(pts[i, j].X, pts[i, j].Y), ax);
pta[1] = cs2d.Point2D(new PointF(pts[i, j + 1].X, pts[i, j + 1].Y), ax);
pta[2] = cs2d.Point2D(new PointF(pts[i + 1, j + 1].X, pts[i + 1, j + 1].Y), ax);
pta[3] = cs2d.Point2D(new PointF(pts[i + 1, j].X, pts[i + 1, j].Y), ax);
Color color = AddColor(cs, pts[i, j], zmin, zmax, ax, va, cl);
aBrush = new SolidBrush(color);
g.FillPolygon(aBrush, pta);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pta);
}
}
}
}
// Draw refined surface:
else if (IsInterp)
{
for (int i = 0; i < pts.GetLength(0) - 1; i++)
{
for (int j = 0; j < pts.GetLength(1) - 1; j++)
{
Point3[] points = new Point3[4];
points[0] = pts[i, j];
points[1] = pts[i, j + 1];
points[2] = pts[i + 1, j + 1];
points[3] = pts[i + 1, j];
Interp(g, cs, cs2d, m, points, zmin, zmax, 2, ax, va, cl);
pta[0] = cs2d.Point2D(new PointF(pts[i, j].X, pts[i, j].Y), ax);
pta[1] = cs2d.Point2D(new PointF(pts[i, j + 1].X, pts[i, j + 1].Y), ax);
pta[2] = cs2d.Point2D(new PointF(pts[i + 1, j + 1].X, pts[i + 1, j + 1].Y), ax);
pta[3] = cs2d.Point2D(new PointF(pts[i + 1, j].X, pts[i + 1, j].Y), ax);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pta);
}
}
}
}
}
private void SetPlotArea(Graphics g, ChartStyle cs3d, ChartLabels cl, Axes ax)
{
// Draw chart area:
SolidBrush aBrush = new SolidBrush(ChartBackColor);
Pen aPen = new Pen(ChartBorderColor, 2);
g.FillRectangle(aBrush, ChartArea);
g.DrawRectangle(aPen, ChartArea);
// Set PlotArea:
float xOffset = ChartArea.Width / 30.0f;
float yOffset = ChartArea.Height / 30.0f;
SizeF labelFontSize = g.MeasureString("A", cl.LabelFont);
SizeF titleFontSize = g.MeasureString("A", cl.TitleFont);
if (cl.Title.ToUpper() == "NO TITLE")
{
titleFontSize.Width = 8f;
titleFontSize.Height = 8f;
}
float xSpacing = xOffset / 3.0f;
float ySpacing = yOffset / 3.0f;
SizeF tickFontSize = g.MeasureString("A", cl.TickFont);
float tickSpacing = 2f;
SizeF yTickSize = g.MeasureString(ax.YMin.ToString(), cl.TickFont);
for (float yTick = ax.YMin; yTick <= ax.YMax; yTick += ax.YTick)
{
SizeF tempSize = g.MeasureString(yTick.ToString(), cl.TickFont);
if (yTickSize.Width < tempSize.Width)
{
yTickSize = tempSize;
}
}
float leftMargin = xOffset + labelFontSize.Width +
xSpacing + yTickSize.Width + tickSpacing;
float rightMargin = 2 * xOffset;
float topMargin = yOffset + titleFontSize.Height + ySpacing;
float bottomMargin = yOffset + labelFontSize.Height +
ySpacing + tickSpacing + tickFontSize.Height;
// Define the plot area:
int plotX = ChartArea.X + (int)leftMargin;
int plotY = ChartArea.Y + (int)topMargin;
int plotWidth = ChartArea.Width - (int)leftMargin - (int)rightMargin;
int plotHeight = ChartArea.Height - (int)topMargin - (int)bottomMargin;
plotArea.X = plotX;
plotArea.Y = plotY;
if (cs3d.IsColorBar)
plotArea.Width = 25 * plotWidth / 30;
else
plotArea.Width = plotWidth;
plotArea.Height = plotHeight;
// Draw plot area:
aBrush = new SolidBrush(PlotBackColor);
aPen = new Pen(PlotBorderColor, 1);
g.FillRectangle(aBrush, PlotArea);
g.DrawRectangle(aPen, PlotArea);
AddLabels(g, cs3d, cl, ax);
}
private void AddTicks(Graphics g, Axes ax, ViewAngle va, ChartLabels cl)
{
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
Point3[] pta = new Point3[2];
Point3[] pts = CoordinatesOfChartBox(ax, va); ;
Pen aPen = new Pen(ax.AxisStyle.LineColor, ax.AxisStyle.Thickness);
aPen.DashStyle = ax.AxisStyle.Pattern;
// Add x ticks:
float offset = (ax.YMax - ax.YMin) / 30.0f;
float ticklength = offset;
for (float x = ax.XMin; x <= ax.XMax; x = x + ax.XTick)
{
if (va.Elevation >= 0)
{
if (va.Azimuth >= -90 && va.Azimuth < 90)
ticklength = -offset;
}
else if (va.Elevation < 0)
{
if ((va.Azimuth >= -180 && va.Azimuth < -90) ||
va.Azimuth >= 90 && va.Azimuth <= 180)
ticklength = -(ax.YMax - ax.YMin) / 30;
}
pta[0] = new Point3(x, pts[1].Y + ticklength, pts[1].Z, pts[1].W);
pta[1] = new Point3(x, pts[1].Y, pts[1].Z, pts[1].W);
for (int i = 0; i < pta.Length; i++)
{
pta[i].Transform(m, chart3d, ax, this, cl);
}
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
}
// Add y ticks:
offset = (ax.XMax - ax.XMin) / 30.0f;
ticklength = offset;
for (float y = ax.YMin; y <= ax.YMax; y = y + ax.YTick)
{
pts = CoordinatesOfChartBox(ax, va); ;
if (va.Elevation >= 0)
{
if (va.Azimuth >= -180 && va.Azimuth < 0)
ticklength = -offset;
}
else if (va.Elevation < 0)
{
if (va.Azimuth >= 0 && va.Azimuth < 180)
ticklength = -offset;
}
pta[0] = new Point3(pts[1].X + ticklength, y, pts[1].Z, pts[1].W);
pta[1] = new Point3(pts[1].X, y, pts[1].Z, pts[1].W);
for (int i = 0; i < pta.Length; i++)
{
pta[i].Transform(m, chart3d, ax, this, cl);
}
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
}
float xoffset = (ax.XMax - ax.XMin) / 45.0f;
float yoffset = (ax.YMax - ax.YMin) / 20.0f;
float xticklength = xoffset;
float yticklength = yoffset;
for (float z = ax.ZMin; z <= ax.ZMax; z = z + ax.ZTick)
{
if (va.Elevation >= 0)
{
if (va.Azimuth >= -180 && va.Azimuth < -90)
{
xticklength = 0;
yticklength = yoffset;
}
else if (va.Azimuth >= -90 && va.Azimuth < 0)
{
xticklength = xoffset;
yticklength = 0;
}
else if (va.Azimuth >= 0 && va.Azimuth < 90)
{
xticklength = 0;
yticklength = -yoffset;
}
else if (va.Azimuth >= 90 && va.Azimuth <= 180)
{
xticklength = -xoffset;
yticklength = 0;
}
}
else if (va.Elevation < 0)
{
if (va.Azimuth >= -180 && va.Azimuth < -90)
{
yticklength = 0;
xticklength = xoffset;
}
else if (va.Azimuth >= -90 && va.Azimuth < 0)
{
yticklength = -yoffset;
xticklength = 0;
}
else if (va.Azimuth >= 0 && va.Azimuth < 90)
{
yticklength = 0;
xticklength = -xoffset;
}
else if (va.Azimuth >= 90 && va.Azimuth <= 180)
{
yticklength = yoffset;
xticklength = 0;
}
}
pta[0] = new Point3(pts[2].X, pts[2].Y, z, pts[2].W);
pta[1] = new Point3(pts[2].X + yticklength,
pts[2].Y + xticklength, z, pts[2].W);
for (int i = 0; i < pta.Length; i++)
{
pta[i].Transform(m, chart3d, ax, this, cl);
}
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
}
aPen.Dispose();
}
private void AddGrids(Graphics g, Axes ax, ViewAngle va, Grid gd, ChartLabels cl)
{
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
Point3[] pta = new Point3[3];
Point3[] pts = CoordinatesOfChartBox(ax, va);
Pen aPen = new Pen(gd.GridStyle.LineColor, gd.GridStyle.Thickness);
aPen.DashStyle = gd.GridStyle.Pattern;
// Draw x gridlines:
if (gd.IsXGrid)
{
for (float x = ax.XMin; x <= ax.XMax; x = x + ax.XTick)
{
pts = CoordinatesOfChartBox(ax, va);
pta[0] = new Point3(x, pts[1].Y, pts[1].Z, pts[1].W);
if (va.Elevation >= 0)
{
if ((va.Azimuth >= -180 && va.Azimuth < -90) ||
(va.Azimuth >= 0 && va.Azimuth < 90))
{
pta[1] = new Point3(x, pts[0].Y, pts[1].Z, pts[1].W);
pta[2] = new Point3(x, pts[0].Y, pts[3].Z, pts[1].W);
}
else
{
pta[1] = new Point3(x, pts[2].Y, pts[1].Z, pts[1].W);
pta[2] = new Point3(x, pts[2].Y, pts[3].Z, pts[1].W);
}
}
else if (va.Elevation < 0)
{
if ((va.Azimuth >= -180 && va.Azimuth < -90) ||
(va.Azimuth >= 0 && va.Azimuth < 90))
{
pta[1] = new Point3(x, pts[2].Y, pts[1].Z, pts[1].W);
pta[2] = new Point3(x, pts[2].Y, pts[3].Z, pts[1].W);
}
else
{
pta[1] = new Point3(x, pts[0].Y, pts[1].Z, pts[1].W);
pta[2] = new Point3(x, pts[0].Y, pts[3].Z, pts[1].W);
}
}
for (int i = 0; i < pta.Length; i++)
{
pta[i].Transform(m, chart3d, ax, this, cl);
}
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
g.DrawLine(aPen, pta[1].X, pta[1].Y, pta[2].X, pta[2].Y);
}
}
// Draw y gridlines:
if (gd.IsYGrid)
{
for (float y = ax.YMin; y <= ax.YMax; y = y + ax.YTick)
{
pts = CoordinatesOfChartBox(ax, va);
pta[0] = new Point3(pts[1].X, y, pts[1].Z, pts[1].W);
if (va.Elevation >= 0)
{
if ((va.Azimuth >= -180 && va.Azimuth < -90) ||
(va.Azimuth >= 0 && va.Azimuth < 90))
{
pta[1] = new Point3(pts[2].X, y, pts[1].Z, pts[1].W);
pta[2] = new Point3(pts[2].X, y, pts[3].Z, pts[1].W);
}
else
{
pta[1] = new Point3(pts[0].X, y, pts[1].Z, pts[1].W);
pta[2] = new Point3(pts[0].X, y, pts[3].Z, pts[1].W);
}
}
if (va.Elevation < 0)
{
if ((va.Azimuth >= -180 && va.Azimuth < -90) ||
(va.Azimuth >= 0 && va.Azimuth < 90))
{
pta[1] = new Point3(pts[0].X, y, pts[1].Z, pts[1].W);
pta[2] = new Point3(pts[0].X, y, pts[3].Z, pts[1].W);
}
else
{
pta[1] = new Point3(pts[2].X, y, pts[1].Z, pts[1].W);
pta[2] = new Point3(pts[2].X, y, pts[3].Z, pts[1].W);
}
}
for (int i = 0; i < pta.Length; i++)
{
pta[i].Transform(m, chart3d, ax, this, cl);
}
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
g.DrawLine(aPen, pta[1].X, pta[1].Y, pta[2].X, pta[2].Y);
}
}
// Draw Z gridlines:
if (gd.IsZGrid)
{
for (float z = ax.ZMin; z <= ax.ZMax; z = z + ax.ZTick)
{
pts = CoordinatesOfChartBox(ax, va);
pta[0] = new Point3(pts[2].X, pts[2].Y, z, pts[2].W);
if (va.Elevation >= 0)
{
if ((va.Azimuth >= -180 && va.Azimuth < -90) ||
(va.Azimuth >= 0 && va.Azimuth < 90))
{
pta[1] = new Point3(pts[2].X, pts[0].Y, z, pts[1].W);
pta[2] = new Point3(pts[0].X, pts[0].Y, z, pts[1].W);
}
else
{
pta[1] = new Point3(pts[0].X, pts[2].Y, z, pts[1].W);
pta[2] = new Point3(pts[0].X, pts[1].Y, z, pts[1].W);
}
}
if (va.Elevation < 0)
{
if ((va.Azimuth >= -180 && va.Azimuth < -90) ||
(va.Azimuth >= 0 && va.Azimuth < 90))
{
pta[1] = new Point3(pts[0].X, pts[2].Y, z, pts[1].W);
pta[2] = new Point3(pts[0].X, pts[0].Y, z, pts[1].W);
}
else
{
pta[1] = new Point3(pts[2].X, pts[0].Y, z, pts[1].W);
pta[2] = new Point3(pts[0].X, pts[0].Y, z, pts[1].W);
}
}
for (int i = 0; i < pta.Length; i++)
{
pta[i].Transform(m, chart3d, ax, this, cl);
}
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
g.DrawLine(aPen, pta[1].X, pta[1].Y, pta[2].X, pta[2].Y);
}
}
}
private Color AddColor(ChartStyle cs, Point3 pt, float zmin, float zmax,
Axes ax, ViewAngle va, ChartLabels cl)
{
int colorLength = CMap.GetLength(0);
int cindex = (int)Math.Round((colorLength * (pt.Z - zmin) +
(zmax - pt.Z)) / (zmax - zmin));
if (cindex < 1)
cindex = 1;
if (cindex > colorLength)
cindex = colorLength;
Color color = Color.FromArgb(CMap[cindex - 1, 0],
CMap[cindex - 1, 1], CMap[cindex - 1, 2],
CMap[cindex - 1, 3]);
return color;
}
private void AddBar3D(Graphics g, DataSeries ds, ChartStyle cs,
ChartStyle2D cs2d, Axes ax, ViewAngle va, ChartLabels cl)
{
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
PointF[] pt = new PointF[4];
Point3[,] pts = ds.PointArray;
// Find the minumum and maximum z values:
float zmin = ds.ZDataMin();
float zmax = ds.ZDataMax();
// Check parameters:
float xlength = ds.BarStyle.XLength;
if (xlength <= 0)
xlength = 0.1f * ds.XSpacing;
else if (xlength > 0.5f)
xlength = 0.5f * ds.XSpacing;
else
xlength = ds.BarStyle.XLength * ds.XSpacing;
float ylength = ds.BarStyle.YLength;
if (ylength <= 0)
ylength = 0.1f * ds.YSpacing;
else if (ylength > 0.5f)
ylength = 0.5f * ds.YSpacing;
else
ylength = ds.BarStyle.YLength * ds.YSpacing;
float zorigin = ds.BarStyle.ZOrigin;
// Draw 3D bars:
for (int i = 0; i < pts.GetLength(0) - 1; i++)
{
for (int j = 0; j < pts.GetLength(1) - 1; j++)
{
int ii = i;
int jj = j;
if (va.Azimuth >= -180 && va.Azimuth < -90)
{
ii = pts.GetLength(0) - 2 - i;
jj = j;
}
else if (va.Azimuth >= -90 && va.Azimuth < 0)
{
ii = pts.GetLength(0) - 2 - i;
jj = pts.GetLength(1) - 2 - j;
}
else if (va.Azimuth >= 0 && va.Azimuth < 90)
{
ii = i;
jj = pts.GetLength(1) - 2 - j;
}
else if (va.Azimuth >= 90 && va.Azimuth <= 180)
{
ii = i;
jj = j;
}
DrawBar(g, ds, cs, m, pts[ii, jj], xlength,
ylength, zorigin, zmax, zmin, ax, va, cl);
}
}
}
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);
}
}
}
}
public void AddChart(Graphics g, DataSeries ds, ChartStyle cs,
ChartStyle2D cs2d, Axes ax, ViewAngle va, ChartLabels cl)
{
switch (ChartType)
{
case ChartTypeEnum.Line:
AddLine(g, ds, cs, ax, va, cl);
break;
case ChartTypeEnum.Mesh:
AddMesh(g, ds, cs, ax, va, cl);
AddColorBar(g, ds, cs, cs2d, ax, va, cl);
break;
case ChartTypeEnum.MeshZ:
AddMeshZ(g, ds, cs, ax, va, cl);
AddColorBar(g, ds, cs, cs2d, ax, va, cl);
break;
case ChartTypeEnum.Waterfall:
AddWaterfall(g, ds, cs, ax, va, cl);
AddColorBar(g, ds, cs, cs2d, ax, va, cl);
break;
case ChartTypeEnum.Surface:
AddSurface(g, ds, cs, cs2d, ax, va, cl);
AddColorBar(g, ds, cs, cs2d, ax, va, cl);
break;
case ChartTypeEnum.XYColor:
AddXYColor(g, ds, cs, cs2d, ax, va, cl);
break;
case ChartTypeEnum.Contour:
AddContour(g, ds, cs, cs2d, ax, va, cl);
break;
case ChartTypeEnum.FillContour:
AddXYColor(g, ds, cs, cs2d, ax, va, cl);
AddContour(g, ds, cs, cs2d, ax, va, cl);
break;
case ChartTypeEnum.MeshContour:
AddContour3D(g, ds, cs, cs2d, ax, va, cl);
AddMesh(g, ds, cs, ax, va, cl);
AddColorBar(g, ds, cs, cs2d, ax, va, cl);
break;
case ChartTypeEnum.SurfaceContour:
AddContour3D(g, ds, cs, cs2d, ax, va, cl);
AddSurface(g, ds, cs, cs2d, ax, va, cl);
AddColorBar(g, ds, cs, cs2d, ax, va, cl);
break;
case ChartTypeEnum.SurfaceFillContour:
AddXYColor3D(g, ds, cs, cs2d, ax, va, cl);
AddContour3D(g, ds, cs, cs2d, ax, va, cl);
AddSurface(g, ds, cs, cs2d, ax, va, cl);
AddColorBar(g, ds, cs, cs2d, ax, va, cl);
break;
case ChartTypeEnum.Slice:
AddSlice(g, ds, cs, cs2d, ax, va, cl);
AddColorBar(g, ds, cs, cs2d, ax, va, cl);
break;
case ChartTypeEnum.Bar3D:
AddBar3D(g, ds, cs, cs2d, ax, va, cl);
AddColorBar(g, ds, cs, cs2d, ax, va, cl);
break;
}
}
private void Interp(Graphics g, ChartStyle cs, ChartStyle2D cs2d, Matrix3 m,
Point3[] pta, float zmin, float zmax, int flag, Axes ax,
ViewAngle va, ChartLabels cl)
{
SolidBrush aBrush = new SolidBrush(Color.Black);
PointF[] points = new PointF[4];
int npoints = NumberInterp;
Point3[,] pts = new Point3[npoints + 1, npoints + 1];
Point3[,] pts1 = new Point3[npoints + 1, npoints + 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) / npoints;
float dy = (y1 - y0) / npoints;
float C00 = pta[0].Z;
float C10 = pta[3].Z;
float C11 = pta[2].Z;
float C01 = pta[1].Z;
float x, y, C;
Color color;
if (flag == 1) // For Surface chart
{
for (int i = 0; i <= npoints; i++)
{
x = x0 + i * dx;
for (int j = 0; j <= npoints; j++)
{
y = y0 + j * dy;
C = (y1 - y) * ((x1 - x) * C00 +
(x - x0) * C10) / (x1 - x0) / (y1 - y0) +
(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, chart3d, ax, cs, cl);
}
}
for (int i = 0; i < npoints; i++)
{
for (int j = 0; j < npoints; j++)
{
color = AddColor(cs, pts[i, j], zmin, zmax, ax, va, cl);
aBrush = new SolidBrush(color);
points[0] = new PointF(pts[i, j].X, pts[i, j].Y);
points[1] = new PointF(pts[i + 1, j].X, pts[i + 1, j].Y);
points[2] = new PointF(pts[i + 1, j + 1].X, pts[i + 1, j + 1].Y);
points[3] = new PointF(pts[i, j + 1].X, pts[i, j + 1].Y);
g.FillPolygon(aBrush, points);
aBrush.Dispose();
}
}
}
else if (flag == 2) // For XYColor chart
{
for (int i = 0; i <= npoints; i++)
{
x = x0 + i * dx;
for (int j = 0; j <= npoints; j++)
{
y = y0 + j * dy;
C = (y1 - y) * ((x1 - x) * C00 +
(x - x0) * C10) / (x1 - x0) / (y1 - y0) +
(y - y0) * ((x1 - x) * C01 +
(x - x0) * C11) / (x1 - x0) / (y1 - y0);
pts[i, j] = new Point3(x, y, C, 1);
}
}
for (int i = 0; i < npoints; i++)
{
for (int j = 0; j < npoints; j++)
{
color = AddColor(cs, pts[i, j], zmin, zmax, ax, va, cl);
aBrush = new SolidBrush(color);
points[0] = cs2d.Point2D(new PointF(pts[i, j].X, pts[i, j].Y), ax);
points[1] = cs2d.Point2D(new PointF(pts[i + 1, j].X, pts[i + 1, j].Y), ax);
points[2] = cs2d.Point2D(new PointF(pts[i + 1, j + 1].X, pts[i + 1, j + 1].Y), ax);
points[3] = cs2d.Point2D(new PointF(pts[i, j + 1].X, pts[i, j + 1].Y), ax);
g.FillPolygon(aBrush, points);
aBrush.Dispose();
}
}
}
else if (flag == 3) // For XYColor3D chart
{
for (int i = 0; i <= npoints; i++)
{
x = x0 + i * dx;
for (int j = 0; j <= npoints; j++)
{
y = y0 + j * dy;
C = (y1 - y) * ((x1 - x) * C00 +
(x - x0) * C10) / (x1 - x0) / (y1 - y0) +
(y - y0) * ((x1 - x) * C01 +
(x - x0) * C11) / (x1 - x0) / (y1 - y0);
pts1[i, j] = new Point3(x, y, C, 1);
pts[i, j] = new Point3(x, y, ax.ZMin, 1);
pts[i, j].Transform(m, chart3d, ax, cs, cl);
}
}
for (int i = 0; i < npoints; i++)
{
for (int j = 0; j < npoints; j++)
{
color = AddColor(cs, pts1[i, j], zmin, zmax, ax, va, cl);
aBrush = new SolidBrush(color);
points[0] = new PointF(pts[i, j].X, pts[i, j].Y);
points[1] = new PointF(pts[i + 1, j].X, pts[i + 1, j].Y);
points[2] = new PointF(pts[i + 1, j + 1].X, pts[i + 1, j + 1].Y);
points[3] = new PointF(pts[i, j + 1].X, pts[i, j + 1].Y);
g.FillPolygon(aBrush, points);
aBrush.Dispose();
}
}
}
}
private void DrawBar(Graphics g, DataSeries ds, ChartStyle cs, Matrix3 m,
Point3 pt, float xlength, float ylength, float zorign, float zmax, float zmin,
Axes ax, ViewAngle va, ChartLabels cl)
{
Pen aPen = new Pen(ds.LineStyle.LineColor, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
Color color = AddColor(cs, pt, zmin, zmax, ax, va, cl);
SolidBrush aBrush = new SolidBrush(color);
Point3[] pts = new Point3[8];
Point3[] pts1 = new Point3[8];
Point3[] pt3 = new Point3[4];
PointF[] pta = new PointF[4];
pts[0] = new Point3(pt.X - xlength, pt.Y - ylength, zorign, 1);
pts[1] = new Point3(pt.X - xlength, pt.Y + ylength, zorign, 1);
pts[2] = new Point3(pt.X + xlength, pt.Y + ylength, zorign, 1);
pts[3] = new Point3(pt.X + xlength, pt.Y - ylength, zorign, 1);
pts[4] = new Point3(pt.X + xlength, pt.Y - ylength, pt.Z, 1);
pts[5] = new Point3(pt.X + xlength, pt.Y + ylength, pt.Z, 1);
pts[6] = new Point3(pt.X - xlength, pt.Y + ylength, pt.Z, 1);
pts[7] = new Point3(pt.X - xlength, pt.Y - ylength, pt.Z, 1);
for (int i = 0; i < pts.Length; i++)
{
pts1[i] = new Point3(pts[i].X, pts[i].Y, pts[i].Z, 1);
pts[i].Transform(m, chart3d, ax, cs, cl);
}
int[] nconfigs = new int[8];
if (ds.BarStyle.IsBarSingleColor)
{
pta[0] = new PointF(pts[4].X, pts[4].Y);
pta[1] = new PointF(pts[5].X, pts[5].Y);
pta[2] = new PointF(pts[6].X, pts[6].Y);
pta[3] = new PointF(pts[7].X, pts[7].Y);
g.FillPolygon(aBrush, pta);
g.DrawPolygon(aPen, pta);
pta[0] = new PointF(pts[0].X, pts[0].Y);
pta[1] = new PointF(pts[1].X, pts[1].Y);
pta[2] = new PointF(pts[2].X, pts[2].Y);
pta[3] = new PointF(pts[3].X, pts[3].Y);
g.FillPolygon(aBrush, pta);
g.DrawPolygon(aPen, pta);
if (va.Azimuth >= -180 && va.Azimuth < -90)
{
nconfigs = new int[8] { 1, 2, 5, 6, 1, 0, 7, 6 };
}
else if (va.Azimuth >= -90 && va.Azimuth < 0)
{
nconfigs = new int[8] { 1, 0, 7, 6, 0, 3, 4, 7 };
}
else if (va.Azimuth >= 0 && va.Azimuth < 90)
{
nconfigs = new int[8] { 0, 3, 4, 7, 2, 3, 4, 5 };
}
else if (va.Azimuth >= 90 && va.Azimuth < 180)
{
nconfigs = new int[8] { 2, 3, 4, 5, 1, 2, 5, 6 };
}
pta[0] = new PointF(pts[nconfigs[0]].X, pts[nconfigs[0]].Y);
pta[1] = new PointF(pts[nconfigs[1]].X, pts[nconfigs[1]].Y);
pta[2] = new PointF(pts[nconfigs[2]].X, pts[nconfigs[2]].Y);
pta[3] = new PointF(pts[nconfigs[3]].X, pts[nconfigs[3]].Y);
g.FillPolygon(aBrush, pta);
g.DrawPolygon(aPen, pta);
pta[0] = new PointF(pts[nconfigs[4]].X, pts[nconfigs[4]].Y);
pta[1] = new PointF(pts[nconfigs[5]].X, pts[nconfigs[5]].Y);
pta[2] = new PointF(pts[nconfigs[6]].X, pts[nconfigs[6]].Y);
pta[3] = new PointF(pts[nconfigs[7]].X, pts[nconfigs[7]].Y);
g.FillPolygon(aBrush, pta);
g.DrawPolygon(aPen, pta);
}
else if (!ds.BarStyle.IsBarSingleColor && IsColorMap)
{
pta[0] = new PointF(pts[4].X, pts[4].Y);
pta[1] = new PointF(pts[5].X, pts[5].Y);
pta[2] = new PointF(pts[6].X, pts[6].Y);
pta[3] = new PointF(pts[7].X, pts[7].Y);
g.FillPolygon(aBrush, pta);
g.DrawPolygon(aPen, pta);
pta[0] = new PointF(pts[0].X, pts[0].Y);
pta[1] = new PointF(pts[1].X, pts[1].Y);
pta[2] = new PointF(pts[2].X, pts[2].Y);
pta[3] = new PointF(pts[3].X, pts[3].Y);
color = AddColor(cs, pts[0], zmin, zmax, ax, va, cl);
aBrush = new SolidBrush(color);
g.FillPolygon(aBrush, pta);
g.DrawPolygon(aPen, pta);
float dz = (zmax - zmin) / 63;
if (pt.Z < zorign)
dz = -dz;
int nz = (int)((pt.Z - zorign) / dz) + 1;
if (nz < 1)
nz = 1;
float z = zorign;
if (va.Azimuth >= -180 && va.Azimuth < -90)
{
nconfigs = new int[4] { 1, 2, 1, 0 };
}
else if (va.Azimuth >= -90 && va.Azimuth < 0)
{
nconfigs = new int[4] { 1, 0, 0, 3 };
}
else if (va.Azimuth >= 0 && va.Azimuth < 90)
{
nconfigs = new int[4] { 0, 3, 2, 3 };
}
else if (va.Azimuth >= 90 && va.Azimuth <= 180)
{
nconfigs = new int[4] { 2, 3, 1, 2 };
}
for (int i = 0; i < nz; i++)
{
z = zorign + i * dz;
pt3[0] = new Point3(pts1[nconfigs[0]].X, pts1[nconfigs[0]].Y, z, 1);
pt3[1] = new Point3(pts1[nconfigs[1]].X, pts1[nconfigs[1]].Y, z, 1);
pt3[2] = new Point3(pts1[nconfigs[1]].X, pts1[nconfigs[1]].Y, z + dz, 1);
pt3[3] = new Point3(pts1[nconfigs[0]].X, pts1[nconfigs[0]].Y, z + dz, 1);
for (int j = 0; j < pt3.Length; j++)
{
pt3[j].Transform(m, chart3d, ax, cs, cl);
}
pta[0] = new PointF(pt3[0].X, pt3[0].Y);
pta[1] = new PointF(pt3[1].X, pt3[1].Y);
pta[2] = new PointF(pt3[2].X, pt3[2].Y);
pta[3] = new PointF(pt3[3].X, pt3[3].Y);
color = AddColor(cs, pt3[0], zmin, zmax, ax, va, cl);
aBrush = new SolidBrush(color);
g.FillPolygon(aBrush, pta);
}
pt3[0] = new Point3(pts1[nconfigs[0]].X, pts1[nconfigs[0]].Y, zorign, 1);
pt3[1] = new Point3(pts1[nconfigs[1]].X, pts1[nconfigs[1]].Y, zorign, 1);
pt3[2] = new Point3(pts1[nconfigs[1]].X, pts1[nconfigs[1]].Y, pt.Z, 1);
pt3[3] = new Point3(pts1[nconfigs[0]].X, pts1[nconfigs[0]].Y, pt.Z, 1);
for (int j = 0; j < pt3.Length; j++)
{
pt3[j].Transform(m, chart3d, ax, cs, cl);
}
pta[0] = new PointF(pt3[0].X, pt3[0].Y);
pta[1] = new PointF(pt3[1].X, pt3[1].Y);
pta[2] = new PointF(pt3[2].X, pt3[2].Y);
pta[3] = new PointF(pt3[3].X, pt3[3].Y);
g.DrawPolygon(aPen, pta);
for (int i = 0; i < nz; i++)
{
z = zorign + i * dz;
pt3[0] = new Point3(pts1[nconfigs[2]].X, pts1[nconfigs[2]].Y, z, 1);
pt3[1] = new Point3(pts1[nconfigs[3]].X, pts1[nconfigs[3]].Y, z, 1);
pt3[2] = new Point3(pts1[nconfigs[3]].X, pts1[nconfigs[3]].Y, z + dz, 1);
pt3[3] = new Point3(pts1[nconfigs[2]].X, pts1[nconfigs[2]].Y, z + dz, 1);
for (int j = 0; j < pt3.Length; j++)
{
pt3[j].Transform(m, chart3d, ax, cs, cl);
}
pta[0] = new PointF(pt3[0].X, pt3[0].Y);
pta[1] = new PointF(pt3[1].X, pt3[1].Y);
pta[2] = new PointF(pt3[2].X, pt3[2].Y);
pta[3] = new PointF(pt3[3].X, pt3[3].Y);
color = AddColor(cs, pt3[0], zmin, zmax, ax, va, cl);
aBrush = new SolidBrush(color);
g.FillPolygon(aBrush, pta);
}
pt3[0] = new Point3(pts1[nconfigs[2]].X, pts1[nconfigs[2]].Y, zorign, 1);
pt3[1] = new Point3(pts1[nconfigs[3]].X, pts1[nconfigs[3]].Y, zorign, 1);
pt3[2] = new Point3(pts1[nconfigs[3]].X, pts1[nconfigs[3]].Y, pt.Z, 1);
pt3[3] = new Point3(pts1[nconfigs[2]].X, pts1[nconfigs[2]].Y, pt.Z, 1);
for (int j = 0; j < pt3.Length; j++)
{
pt3[j].Transform(m, chart3d, ax, cs, cl);
}
pta[0] = new PointF(pt3[0].X, pt3[0].Y);
pta[1] = new PointF(pt3[1].X, pt3[1].Y);
pta[2] = new PointF(pt3[2].X, pt3[2].Y);
pta[3] = new PointF(pt3[3].X, pt3[3].Y);
g.DrawPolygon(aPen, pta);
}
aPen.Dispose();
aBrush.Dispose();
}
private void AddXYColor3D(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.White);
PointF[] pta = new PointF[4];
Point3[,] pts = ds.PointArray;
Point3[,] pts1 = new Point3[pts.GetLength(0), pts.GetLength(1)];
Point3[,] pts2 = new Point3[pts.GetLength(0), pts.GetLength(1)];
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
// Find the minumum and maximum z values:
float zmin = ds.ZDataMin();
float zmax = ds.ZDataMax();
// Perform transformation on points:
for (int i = 0; i < pts.GetLength(0); i++)
{
for (int j = 0; j < pts.GetLength(1); j++)
{
// Make a deep copy the points array:
pts1[i, j] = new Point3(pts[i, j].X, pts[i, j].Y, ax.ZMin, 1);
pts2[i, j] = new Point3(pts[i, j].X, pts[i, j].Y, ax.ZMin, 1);
pts1[i, j].Transform(m, chart3d, ax, cs, cl);
}
}
// Draw surface on the XY plane:
if (!IsInterp)
{
for (int i = 0; i < pts.GetLength(0) - 1; i++)
{
for (int j = 0; j < pts.GetLength(1) - 1; j++)
{
pta[0] = new PointF(pts1[i, j].X, pts1[i, j].Y);
pta[1] = new PointF(pts1[i, j + 1].X, pts1[i, j + 1].Y);
pta[2] = new PointF(pts1[i + 1, j + 1].X, pts1[i + 1, j + 1].Y);
pta[3] = new PointF(pts1[i + 1, j].X, pts1[i + 1, j].Y);
Color color = AddColor(cs, pts[i, j], zmin, zmax, ax, va, cl);
aBrush = new SolidBrush(color);
g.FillPolygon(aBrush, pta);
if (ds.LineStyle.IsVisible)
{
//g.DrawPolygon(aPen, pta);
}
}
}
}
// Draw refined surface:
else if (IsInterp)
{
for (int i = 0; i < pts1.GetLength(0) - 1; i++)
{
for (int j = 0; j < pts1.GetLength(1) - 1; j++)
{
Point3[] points = new Point3[4];
points[0] = pts[i, j];
points[1] = pts[i, j + 1];
points[2] = pts[i + 1, j + 1];
points[3] = pts[i + 1, j];
Interp(g, cs, cs2d, m, points, zmin, zmax, 3, ax, va, cl);
}
}
}
}
public void AddChartStyle(Graphics g, Axes ax, ViewAngle va, Grid gd, ChartLabels cl)
{
AddTicks(g, ax, va, cl);
AddGrids(g, ax, va, gd, cl);
AddAxes(g, ax, va, cl);
AddLabels(g, ax, va, cl);
}
private void AddAxes(Graphics g, Axes ax, ViewAngle va, ChartLabels cl)
{
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
Point3[] pts = CoordinatesOfChartBox(ax, va);
Pen aPen = new Pen(ax.AxisStyle.LineColor, ax.AxisStyle.Thickness);
aPen.DashStyle = ax.AxisStyle.Pattern;
for (int i = 0; i < pts.Length; i++)
{
pts[i].Transform(m, chart3d, ax, this, cl);
}
g.DrawLine(aPen, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y);
g.DrawLine(aPen, pts[1].X, pts[1].Y, pts[2].X, pts[2].Y);
g.DrawLine(aPen, pts[2].X, pts[2].Y, pts[3].X, pts[3].Y);
aPen.Dispose();
}
private void AddContour3D(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;
Point3[] pta = new Point3[2];
Point3[,] pts = ds.PointArray;
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
// Find the minumum and maximum z values:
float zmin = ds.ZDataMin();
float zmax = ds.ZDataMax();
float[] zlevels = new float[numberContours];
for (int i = 0; i < numberContours; i++)
{
zlevels[i] = zmin + i * (zmax - zmin) / (numberContours - 1);
}
int i0, i1, i2, j0, j1, j2;
float zratio = 1;
// Draw contour on the XY plane:
for (int i = 0; i < pts.GetLength(0) - 1; i++)
{
for (int j = 0; j < pts.GetLength(1) - 1; j++)
{
for (int k = 0; k < numberContours; k++)
{
if (IsColorMap && ChartType != ChartTypeEnum.FillContour &&
ChartType != ChartTypeEnum.SurfaceFillContour)
{
Color color = AddColor(cs, pts[i, j], zmin, zmax, ax, va, cl);
aPen = new Pen(color, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
}
// Left triangle:
i0 = i;
j0 = j;
i1 = i;
j1 = j + 1;
i2 = i + 1;
j2 = j + 1;
if ((zlevels[k] >= pts[i0, j0].Z && zlevels[k] < pts[i1, j1].Z ||
zlevels[k] < pts[i0, j0].Z && zlevels[k] >= pts[i1, j1].Z) &&
(zlevels[k] >= pts[i1, j1].Z && zlevels[k] < pts[i2, j2].Z ||
zlevels[k] < pts[i1, j1].Z && zlevels[k] >= pts[i2, j2].Z))
{
zratio = (zlevels[k] - pts[i0, j0].Z) /
(pts[i1, j1].Z - pts[i0, j0].Z);
pta[0] = new Point3(pts[i0, j0].X, (1 - zratio) *
pts[i0, j0].Y + zratio * pts[i1, j1].Y, ax.ZMin, 1);
zratio = (zlevels[k] - pts[i1, j1].Z) /
(pts[i2, j2].Z - pts[i1, j1].Z);
pta[1] = new Point3((1 - zratio) * pts[i1, j1].X +
zratio * pts[i2, j2].X, pts[i1, j1].Y, ax.ZMin, 1);
pta[0].Transform(m, chart3d, ax, cs, cl);
pta[1].Transform(m, chart3d, ax, cs, cl);
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
}
else if ((zlevels[k] >= pts[i0, j0].Z && zlevels[k] < pts[i2, j2].Z ||
zlevels[k] < pts[i0, j0].Z && zlevels[k] >= pts[i2, j2].Z) &&
(zlevels[k] >= pts[i1, j1].Z && zlevels[k] < pts[i2, j2].Z ||
zlevels[k] < pts[i1, j1].Z && zlevels[k] >= pts[i2, j2].Z))
{
zratio = (zlevels[k] - pts[i0, j0].Z) /
(pts[i2, j2].Z - pts[i0, j0].Z);
pta[0] = new Point3((1 - zratio) * pts[i0, j0].X +
zratio * pts[i2, j2].X, (1 - zratio) * pts[i0, j0].Y +
zratio * pts[i2, j2].Y, ax.ZMin, 1);
zratio = (zlevels[k] - pts[i1, j1].Z) /
(pts[i2, j2].Z - pts[i1, j1].Z);
pta[1] = new Point3((1 - zratio) * pts[i1, j1].X +
zratio * pts[i2, j2].X, pts[i1, j1].Y, ax.ZMin, 1);
pta[0].Transform(m, chart3d, ax, cs, cl);
pta[1].Transform(m, chart3d, ax, cs, cl);
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
}
else if ((zlevels[k] >= pts[i0, j0].Z && zlevels[k] < pts[i1, j1].Z ||
zlevels[k] < pts[i0, j0].Z && zlevels[k] >= pts[i1, j1].Z) &&
(zlevels[k] >= pts[i0, j0].Z && zlevels[k] < pts[i2, j2].Z ||
zlevels[k] < pts[i0, j0].Z && zlevels[k] >= pts[i2, j2].Z))
{
zratio = (zlevels[k] - pts[i0, j0].Z) /
(pts[i1, j1].Z - pts[i0, j0].Z);
pta[0] = new Point3(pts[i0, j0].X, (1 - zratio) *
pts[i0, j0].Y + zratio * pts[i1, j1].Y, ax.ZMin, 1);
zratio = (zlevels[k] - pts[i0, j0].Z) /
(pts[i2, j2].Z - pts[i0, j0].Z);
pta[1] = new Point3(pts[i0, j0].X * (1 - zratio) +
pts[i2, j2].X * zratio, pts[i0, j0].Y * (1 - zratio) +
pts[i2, j2].Y * zratio, ax.ZMin, 1);
pta[0].Transform(m, chart3d, ax, cs, cl);
pta[1].Transform(m, chart3d, ax, cs, cl);
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
}
// right triangle:
i0 = i;
j0 = j;
i1 = i + 1;
j1 = j;
i2 = i + 1;
j2 = j + 1;
if ((zlevels[k] >= pts[i0, j0].Z && zlevels[k] < pts[i1, j1].Z ||
zlevels[k] < pts[i0, j0].Z && zlevels[k] >= pts[i1, j1].Z) &&
(zlevels[k] >= pts[i1, j1].Z && zlevels[k] < pts[i2, j2].Z ||
zlevels[k] < pts[i1, j1].Z && zlevels[k] >= pts[i2, j2].Z))
{
zratio = (zlevels[k] - pts[i0, j0].Z) /
(pts[i1, j1].Z - pts[i0, j0].Z);
pta[0] = new Point3(pts[i0, j0].X * (1 - zratio) +
pts[i1, j1].X * zratio, pts[i0, j0].Y, ax.ZMin, 1);
zratio = (zlevels[k] - pts[i1, j1].Z) /
(pts[i2, j2].Z - pts[i1, j1].Z);
pta[1] = new Point3(pts[i1, j1].X, pts[i1, j1].Y *
(1 - zratio) + pts[i2, j2].Y * zratio, ax.ZMin, 1);
pta[0].Transform(m, chart3d, ax, cs, cl);
pta[1].Transform(m, chart3d, ax, cs, cl);
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
}
else if ((zlevels[k] >= pts[i0, j0].Z && zlevels[k] < pts[i2, j2].Z ||
zlevels[k] < pts[i0, j0].Z && zlevels[k] >= pts[i2, j2].Z) &&
(zlevels[k] >= pts[i1, j1].Z && zlevels[k] < pts[i2, j2].Z ||
zlevels[k] < pts[i1, j1].Z && zlevels[k] >= pts[i2, j2].Z))
{
zratio = (zlevels[k] - pts[i0, j0].Z) /
(pts[i2, j2].Z - pts[i0, j0].Z);
pta[0] = new Point3(pts[i0, j0].X * (1 - zratio) +
pts[i2, j2].X * zratio, pts[i0, j0].Y * (1 - zratio) +
pts[i2, j2].Y * zratio, ax.ZMin, 1);
zratio = (zlevels[k] - pts[i1, j1].Z) /
(pts[i2, j2].Z - pts[i1, j1].Z);
pta[1] = new Point3(pts[i1, j1].X, pts[i1, j1].Y *
(1 - zratio) + pts[i2, j2].Y * zratio, ax.ZMin, 1);
pta[0].Transform(m, chart3d, ax, cs, cl);
pta[1].Transform(m, chart3d, ax, cs, cl);
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
}
else if ((zlevels[k] >= pts[i0, j0].Z && zlevels[k] < pts[i1, j1].Z ||
zlevels[k] < pts[i0, j0].Z && zlevels[k] >= pts[i1, j1].Z) &&
(zlevels[k] >= pts[i0, j0].Z && zlevels[k] < pts[i2, j2].Z ||
zlevels[k] < pts[i0, j0].Z && zlevels[k] >= pts[i2, j2].Z))
{
zratio = (zlevels[k] - pts[i0, j0].Z) /
(pts[i1, j1].Z - pts[i0, j0].Z);
pta[0] = new Point3(pts[i0, j0].X * (1 - zratio) +
pts[i1, j1].X * zratio, pts[i0, j0].Y, ax.ZMin, 1);
zratio = (zlevels[k] - pts[i0, j0].Z) /
(pts[i2, j2].Z - pts[i0, j0].Z);
pta[1] = new Point3(pts[i0, j0].X * (1 - zratio) +
pts[i2, j2].X * zratio, pts[i0, j0].Y * (1 - zratio) +
pts[i2, j2].Y * zratio, ax.ZMin, 1);
pta[0].Transform(m, chart3d, ax, cs, cl);
pta[1].Transform(m, chart3d, ax, cs, cl);
g.DrawLine(aPen, pta[0].X, pta[0].Y, pta[1].X, pta[1].Y);
}
}
}
}
aPen.Dispose();
}
private void AddLabels(Graphics g, Axes ax, ViewAngle va, ChartLabels cl)
{
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
Point3 pt = new Point3();
Point3[] pts = CoordinatesOfChartBox(ax, va);
SolidBrush aBrush = new SolidBrush(cl.LabelFontColor);
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Center;
// Add x tick labels:
float offset = (ax.YMax - ax.YMin) / 20;
float labelSpace = offset;
for (float x = ax.XMin + ax.XTick; x < ax.XMax; x = x + ax.XTick)
{
if (va.Elevation >= 0)
{
if (va.Azimuth >= -90 && va.Azimuth < 90)
labelSpace = -offset;
}
else if (va.Elevation < 0)
{
if ((va.Azimuth >= -180 && va.Azimuth < -90) ||
va.Azimuth >= 90 && va.Azimuth <= 180)
labelSpace = -offset;
}
pt = new Point3(x, pts[1].Y + labelSpace, pts[1].Z, pts[1].W);
pt.Transform(m, chart3d, ax, this, cl);
g.DrawString(x.ToString(), cl.TickFont, aBrush,
new PointF(pt.X, pt.Y), sf);
}
// Add y tick labels:
offset = (ax.XMax - ax.XMin) / 20;
labelSpace = offset;
for (float y = ax.YMin + ax.YTick; y < ax.YMax; y = y + ax.YTick)
{
pts = CoordinatesOfChartBox(ax, va);
if (va.Elevation >= 0)
{
if (va.Azimuth >= -180 && va.Azimuth < 0)
labelSpace = -offset;
}
else if (va.Elevation < 0)
{
if (va.Azimuth >= 0 && va.Azimuth < 180)
labelSpace = -offset;
}
pt = new Point3(pts[1].X + labelSpace, y, pts[1].Z, pts[1].W);
pt.Transform(m, chart3d, ax, this, cl);
g.DrawString(y.ToString(), cl.TickFont, aBrush,
new PointF(pt.X, pt.Y), sf);
}
// Add z tick labels:
float xoffset = (ax.XMax - ax.XMin) / 30.0f;
float yoffset = (ax.YMax - ax.YMin) / 15.0f;
float xlabelSpace = xoffset;
float ylabelSpace = yoffset;
SizeF s = g.MeasureString("A", cl.TickFont);
for (float z = ax.ZMin; z <= ax.ZMax; z = z + ax.ZTick)
{
sf.Alignment = StringAlignment.Far;
pts = CoordinatesOfChartBox(ax, va);
if (va.Elevation >= 0)
{
if (va.Azimuth >= -180 && va.Azimuth < -90)
{
xlabelSpace = 0;
ylabelSpace = yoffset;
}
else if (va.Azimuth >= -90 && va.Azimuth < 0)
{
xlabelSpace = xoffset;
ylabelSpace = 0;
}
else if (va.Azimuth >= 0 && va.Azimuth < 90)
{
xlabelSpace = 0;
ylabelSpace = -yoffset;
}
else if (va.Azimuth >= 90 && va.Azimuth <= 180)
{
xlabelSpace = -xoffset;
ylabelSpace = 0;
}
}
else if (va.Elevation < 0)
{
if (va.Azimuth >= -180 && va.Azimuth < -90)
{
ylabelSpace = 0;
xlabelSpace = xoffset;
}
else if (va.Azimuth >= -90 && va.Azimuth < 0)
{
ylabelSpace = -yoffset;
xlabelSpace = 0;
}
else if (va.Azimuth >= 0 && va.Azimuth < 90)
{
ylabelSpace = 0;
xlabelSpace = -xoffset;
}
else if (va.Azimuth >= 90 && va.Azimuth <= 180)
{
ylabelSpace = yoffset;
xlabelSpace = 0;
}
}
pt = new Point3(pts[2].X + ylabelSpace,
pts[2].Y + xlabelSpace, z, pts[2].W);
pt.Transform(m, chart3d, ax, this, cl);
g.DrawString(z.ToString(), cl.TickFont, aBrush,
new PointF(pt.X - labelSpace, pt.Y - s.Height / 2), sf);
}
// Add Title:
sf.Alignment = StringAlignment.Center;
aBrush = new SolidBrush(cl.TitleColor);
if (cl.Title != "No Title")
{
g.DrawString(cl.Title, cl.TitleFont, aBrush,
new PointF(chart3d.Width / 2, chart3d.Height / 30), sf);
}
aBrush.Dispose();
// Add x axis label:
offset = (ax.YMax - ax.YMin) / 3;
labelSpace = offset;
sf.Alignment = StringAlignment.Center;
aBrush = new SolidBrush(cl.LabelFontColor);
float offset1 = (ax.XMax - ax.XMin) / 10;
float xc = offset1;
if (va.Elevation >= 0)
{
if (va.Azimuth >= -90 && va.Azimuth < 90)
labelSpace = -offset;
if (va.Azimuth >= 0 && va.Azimuth <= 180)
xc = -offset1;
}
else if (va.Elevation < 0)
{
if ((va.Azimuth >= -180 && va.Azimuth < -90) ||
va.Azimuth >= 90 && va.Azimuth <= 180)
labelSpace = -offset;
if (va.Azimuth >= -180 && va.Azimuth <= 0)
xc = -offset1;
}
Point3[] pta = new Point3[2];
pta[0] = new Point3(ax.XMin, pts[1].Y + labelSpace, pts[1].Z, pts[1].W);
pta[1] = new Point3((ax.XMin + ax.XMax) / 2 - xc, pts[1].Y + labelSpace,
pts[1].Z, pts[1].W);
pta[0].Transform(m, chart3d, ax, this, cl);
pta[1].Transform(m, chart3d, ax, this, cl);
float theta = (float)Math.Atan((pta[1].Y - pta[0].Y) / (pta[1].X - pta[0].X));
theta = theta * 180 / (float)Math.PI;
GraphicsState gs = g.Save();
g.TranslateTransform(pta[1].X, pta[1].Y);
g.RotateTransform(theta);
g.DrawString(cl.XLabel, cl.LabelFont, aBrush,
new PointF(0, 0), sf);
g.Restore(gs);
// Add y axis label:
offset = (ax.XMax - ax.XMin) / 3;
offset1 = (ax.YMax - ax.YMin) / 5;
labelSpace = offset;
float yc = ax.YTick;
if (va.Elevation >= 0)
{
if (va.Azimuth >= -180 && va.Azimuth < 0)
labelSpace = -offset;
if (va.Azimuth >= -90 && va.Azimuth <= 90)
yc = -offset1;
}
else if (va.Elevation < 0)
{
yc = -offset1;
if (va.Azimuth >= 0 && va.Azimuth < 180)
labelSpace = -offset;
if (va.Azimuth >= -90 && va.Azimuth <= 90)
yc = offset1;
}
pta[0] = new Point3(pts[1].X + labelSpace, ax.YMin, pts[1].Z, pts[1].W);
pta[1] = new Point3(pts[1].X + labelSpace, (ax.YMin +
ax.YMax) / 2 + yc, pts[1].Z, pts[1].W);
pta[0].Transform(m, chart3d, ax, this, cl);
pta[1].Transform(m, chart3d, ax, this, cl);
theta = (float)Math.Atan((pta[1].Y - pta[0].Y) / (pta[1].X - pta[0].X));
theta = theta * 180 / (float)Math.PI;
gs = g.Save();
g.TranslateTransform(pta[1].X, pta[1].Y);
g.RotateTransform(theta);
g.DrawString(cl.YLabel, cl.LabelFont, aBrush,
new PointF(0, 0), sf);
g.Restore(gs);
// Add z axis labels:
float zticklength = 10;
labelSpace = -1.3f * offset;
offset1 = (ax.ZMax - ax.ZMin) / 8;
float zc = -offset1;
for (float z = ax.ZMin; z < ax.ZMax; z = z + ax.ZTick)
{
SizeF size = g.MeasureString(z.ToString(), cl.TickFont);
if (zticklength < size.Width)
zticklength = size.Width;
}
float zlength = -zticklength;
if (va.Elevation >= 0)
{
if (va.Azimuth >= -180 && va.Azimuth < -90)
{
zlength = -zticklength;
labelSpace = -1.3f * offset;
zc = -offset1;
}
else if (va.Azimuth >= -90 && va.Azimuth < 0)
{
zlength = zticklength;
labelSpace = 2 * offset / 3;
zc = offset1;
}
else if (va.Azimuth >= 0 && va.Azimuth < 90)
{
zlength = zticklength;
labelSpace = 2 * offset / 3;
zc = -offset1;
}
else if (va.Azimuth >= 90 && va.Azimuth <= 180)
{
zlength = -zticklength;
labelSpace = -1.3f * offset;
zc = offset1;
}
}
else if (va.Elevation < 0)
{
if (va.Azimuth >= -180 && va.Azimuth < -90)
{
zlength = -zticklength;
labelSpace = -1.3f * offset;
zc = offset1;
}
else if (va.Azimuth >= -90 && va.Azimuth < 0)
{
zlength = zticklength;
labelSpace = 2 * offset / 3;
zc = -offset1;
}
else if (va.Azimuth >= 0 && va.Azimuth < 90)
{
zlength = zticklength;
labelSpace = 2 * offset / 3;
zc = offset1;
}
else if (va.Azimuth >= 90 && va.Azimuth <= 180)
{
zlength = -zticklength;
labelSpace = -1.3f * offset;
zc = -offset1;
}
}
pta[0] = new Point3(pts[2].X - labelSpace, pts[2].Y,
(ax.ZMin + ax.ZMax) / 2 + zc, pts[2].W);
pta[0].Transform(m, chart3d, ax, this, cl);
gs = g.Save();
g.TranslateTransform(pta[0].X - zlength, pta[0].Y);
g.RotateTransform(270);
g.DrawString(cl.ZLabel, cl.LabelFont, aBrush,
new PointF(0, 0), sf);
g.Restore(gs);
}
private void AddLine(Graphics g, DataSeries ds, ChartStyle cs,
Axes ax, ViewAngle va, ChartLabels cl)
{
Pen aPen = new Pen(ds.LineStyle.LineColor, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
Point3[] pts = new Point3[ds.PointList.Count];
// Find zmin and zmax values, then perform transformation on points:
float zmin = 0;
float zmax = 0;
for (int i = 0; i < pts.Length; i++)
{
pts[i] = (Point3)ds.PointList[i];
zmin = Math.Min(zmin, pts[i].Z);
zmax = Math.Max(zmax, pts[i].Z);
pts[i].Transform(m, chart3d, ax, cs, cl);
}
// Draw line:
if (ds.LineStyle.IsVisible == true)
{
for (int i = 1; i < pts.Length; i++)
{
if (IsColorMap)
{
Color color = AddColor(cs, pts[i], zmin, zmax, ax, va, cl);
aPen = new Pen(color, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
}
g.DrawLine(aPen, pts[i - 1].X, pts[i - 1].Y, pts[i].X, pts[i].Y);
}
}
aPen.Dispose();
}
private void AddLabels(Graphics g, ChartStyle cs3d, ChartLabels cl, Axes ax)
{
float xOffset = ChartArea.Width / 30.0f;
float yOffset = ChartArea.Height / 30.0f;
SizeF labelFontSize = g.MeasureString("A", cl.LabelFont);
SizeF titleFontSize = g.MeasureString("A", cl.TitleFont);
SizeF tickFontSize = g.MeasureString("A", cl.TickFont);
SolidBrush aBrush = new SolidBrush(cl.TickFontColor);
StringFormat sFormat = new StringFormat();
// Create the x-axis tick marks:
aBrush = new SolidBrush(cl.TickFontColor);
for (float fX = ax.XMin; fX <= ax.XMax; fX += ax.XTick)
{
PointF yAxisPoint = Point2D(new PointF(fX, ax.YMin), ax);
sFormat.Alignment = StringAlignment.Far;
SizeF sizeXTick = g.MeasureString(fX.ToString(), cl.TickFont);
g.DrawString(fX.ToString(), cl.TickFont, aBrush,
new PointF(yAxisPoint.X + sizeXTick.Width / 2,
yAxisPoint.Y + 4f), sFormat);
}
// Create the y-axis tick marks:
for (float fY = ax.YMin; fY <= ax.YMax; fY += ax.YTick)
{
PointF xAxisPoint = Point2D(new PointF(ax.XMin, fY), ax);
sFormat.Alignment = StringAlignment.Far;
g.DrawString(fY.ToString(), cl.TickFont, aBrush,
new PointF(xAxisPoint.X - 3f,
xAxisPoint.Y - tickFontSize.Height / 2), sFormat);
}
// Add horizontal axis label:
aBrush = new SolidBrush(cl.LabelFontColor);
SizeF stringSize = g.MeasureString(cl.XLabel, cl.LabelFont);
g.DrawString(cl.XLabel, cl.LabelFont, aBrush,
new Point(PlotArea.X + PlotArea.Width / 2 -
(int)stringSize.Width / 2, ChartArea.Bottom -
(int)yOffset - (int)labelFontSize.Height));
// Add y-axis label:
sFormat.Alignment = StringAlignment.Center;
stringSize = g.MeasureString(cl.YLabel, cl.LabelFont);
// Save the state of the current Graphics object
GraphicsState gState = g.Save();
g.TranslateTransform(xOffset, yOffset + titleFontSize.Height
+ yOffset / 3 + PlotArea.Height / 2);
g.RotateTransform(-90);
g.DrawString(cl.YLabel, cl.LabelFont, aBrush, 0, 0, sFormat);
// Restore it:
g.Restore(gState);
// Add title:
aBrush = new SolidBrush(cl.TitleColor);
stringSize = g.MeasureString(cl.Title, cl.TitleFont);
if (cl.Title.ToUpper() != "NO TITLE")
{
g.DrawString(cl.Title, cl.TitleFont, aBrush,
new Point(PlotArea.X + PlotArea.Width / 2 -
(int)stringSize.Width / 2, ChartArea.Top + (int)yOffset));
}
aBrush.Dispose();
}
private void AddMesh(Graphics g, DataSeries ds, ChartStyle cs, 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.White);
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
PointF[] pta = new PointF[4];
Point3[,] pts = ds.PointArray;
// Find the minumum and maximum z values:
float zmin = ds.ZDataMin();
float zmax = ds.ZDataMax();
// Perform transformations on points:
for (int i = 0; i < pts.GetLength(0); i++)
{
for (int j = 0; j < pts.GetLength(1); j++)
{
pts[i, j].Transform(m, chart3d, ax, cs, cl);
}
}
// Draw color mesh:
for (int i = 0; i < pts.GetLength(0) - 1; i++)
{
for (int j = 0; j < pts.GetLength(1) - 1; j++)
{
int ii = i;
if (va.Azimuth >= -180 && va.Azimuth < 0)
{
ii = pts.GetLength(0) - 2 - i;
}
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);
if (!IsHiddenLine)
{
g.FillPolygon(aBrush, pta);
}
if (IsColorMap)
{
Color color = AddColor(cs, pts[ii, j], zmin, zmax, ax, va, cl);
aPen = new Pen(color, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
}
g.DrawPolygon(aPen, pta);
}
}
aPen.Dispose();
aBrush.Dispose();
}
private void AddMeshZ(Graphics g, DataSeries ds, ChartStyle cs,
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.White);
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
PointF[] pta = new PointF[4];
Point3[,] pts = ds.PointArray;
Point3[,] pts1 = new Point3[pts.GetLength(0), pts.GetLength(1)];
Color color;
// Find the minumum and maximum z values:
float zmin = ds.ZDataMin();
float zmax = ds.ZDataMax();
for (int i = 0; i < pts.GetLength(0); i++)
{
for (int j = 0; j < pts.GetLength(1); j++)
{
// Make a deep copy the points array:
pts1[i, j] = new Point3(pts[i, j].X, pts[i, j].Y, pts[i, j].Z, 1);
// Perform transformations on points:
pts[i, j].Transform(m, chart3d, ax, cs, cl);
}
}
for (int i = 0; i < pts.GetLength(0) - 1; i++)
{
for (int j = 0; j < pts.GetLength(1) - 1; j++)
{
int ii = i;
if (va.Azimuth >= -180 && va.Azimuth < 0)
{
ii = pts.GetLength(0) - 2 - i;
}
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.FillPolygon(aBrush, pta);
if (IsColorMap)
{
color = AddColor(cs, pts[ii, j], zmin, zmax, ax, va, cl);
aPen = new Pen(color, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
}
g.DrawPolygon(aPen, pta);
}
}
Point3[] pt3 = new Point3[4];
for (int i = 0; i < pts1.GetLength(0); i++)
{
int jj = pts1.GetLength(0) - 1;
if (va.Elevation >= 0)
{
if (va.Azimuth >= -90 && va.Azimuth <= 90)
jj = 0;
}
else if (va.Elevation < 0)
{
jj = 0;
if (va.Azimuth >= -90 && va.Azimuth <= 90)
jj = pts1.GetLength(0) - 1;
}
if (i < pts1.GetLength(0) - 1)
{
pt3[0] = new Point3(pts1[i, jj].X, pts1[i, jj].Y, pts1[i, jj].Z, 1);
pt3[1] = new Point3(pts1[i + 1, jj].X, pts1[i + 1, jj].Y, pts1[i + 1, jj].Z, 1);
pt3[2] = new Point3(pts1[i + 1, jj].X, pts1[i + 1, jj].Y, ax.ZMin, 1);
pt3[3] = new Point3(pts1[i, jj].X, pts1[i, jj].Y, ax.ZMin, 1);
for (int k = 0; k < 4; k++)
pt3[k].Transform(m, chart3d, ax, cs, cl);
pta[0] = new PointF(pt3[0].X, pt3[0].Y);
pta[1] = new PointF(pt3[1].X, pt3[1].Y);
pta[2] = new PointF(pt3[2].X, pt3[2].Y);
pta[3] = new PointF(pt3[3].X, pt3[3].Y);
g.FillPolygon(aBrush, pta);
if (IsColorMap)
{
color = AddColor(cs, pt3[0], zmin, zmax, ax, va, cl);
aPen = new Pen(color, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
}
g.DrawPolygon(aPen, pta);
}
}
for (int j = 0; j < pts1.GetLength(1); j++)
{
int ii = 0;
if (va.Elevation >= 0)
{
if (va.Azimuth >= 0 && va.Azimuth <= 180)
ii = pts1.GetLength(1) - 1;
}
else if (va.Elevation < 0)
{
if (va.Azimuth >= -180 && va.Azimuth <= 0)
ii = pts1.GetLength(1) - 1;
}
if (j < pts1.GetLength(1) - 1)
{
pt3[0] = new Point3(pts1[ii, j].X, pts1[ii, j].Y, pts1[ii, j].Z, 1);
pt3[1] = new Point3(pts1[ii, j + 1].X, pts1[ii, j + 1].Y, pts1[ii, j + 1].Z, 1);
pt3[2] = new Point3(pts1[ii, j + 1].X, pts1[ii, j + 1].Y, ax.ZMin, 1);
pt3[3] = new Point3(pts1[ii, j].X, pts1[ii, j].Y, ax.ZMin, 1);
for (int k = 0; k < 4; k++)
pt3[k].Transform(m, chart3d, ax, cs, cl);
pta[0] = new PointF(pt3[0].X, pt3[0].Y);
pta[1] = new PointF(pt3[1].X, pt3[1].Y);
pta[2] = new PointF(pt3[2].X, pt3[2].Y);
pta[3] = new PointF(pt3[3].X, pt3[3].Y);
g.FillPolygon(aBrush, pta);
if (IsColorMap)
{
color = AddColor(cs, pt3[0], zmin, zmax, ax, va, cl);
aPen = new Pen(color, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
}
g.DrawPolygon(aPen, pta);
}
}
aPen.Dispose();
aBrush.Dispose();
}
private void AddWaterfall(Graphics g, DataSeries ds, ChartStyle cs,
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.White);
Matrix3 m = Matrix3.AzimuthElevation(va.Elevation, va.Azimuth);
Point3[,] pts = ds.PointArray;
Point3[] pt3 = new Point3[pts.GetLength(0) + 2];
PointF[] pta = new PointF[pts.GetLength(0) + 2];
Color color;
// Find the minumum and maximum z values:
float zmin = ds.ZDataMin();
float zmax = ds.ZDataMax();
for (int j = 0; j < pts.GetLength(1); j++)
{
int jj = j;
if (va.Elevation >= 0)
{
if (va.Azimuth >= -90 && va.Azimuth < 90)
{
jj = pts.GetLength(1) - 1 - j;
}
}
else if (va.Elevation < 0)
{
jj = pts.GetLength(1) - 1 - j;
if (va.Azimuth >= -90 && va.Azimuth < 90)
{
jj = j;
}
}
for (int i = 0; i < pts.GetLength(0); i++)
{
pt3[i + 1] = pts[i, jj];
if (i == 0)
{
pt3[0] = new Point3(pt3[i + 1].X, pt3[i + 1].Y, ax.ZMin, 1);
}
if (i == pts.GetLength(0) - 1)
{
pt3[pts.GetLength(0) + 1] = new Point3(pt3[i + 1].X,
pt3[i + 1].Y, ax.ZMin, 1);
}
}
for (int i = 0; i < pt3.Length; i++)
{
pt3[i].Transform(m, chart3d, ax, cs, cl);
pta[i] = new PointF(pt3[i].X, pt3[i].Y);
}
g.FillPolygon(aBrush, pta);
for (int i = 1; i < pt3.Length; i++)
{
if (IsColorMap)
{
color = AddColor(cs, pt3[i], zmin, zmax, ax, va, cl);
aPen = new Pen(color, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
}
g.DrawLine(aPen, pta[i - 1], pta[i]);
}
}
aPen.Dispose();
aBrush.Dispose();
}