private void resolveRangeX()
{
double maxValue = 0;
double minValue = 0;
for (int i = 0; i < series.Count; i++)
{
ScatterSerie data = series[i] as ScatterSerie;
double[] tmp = new double[data.X.Length];
Array.Copy(data.X, 0, tmp, 0, data.X.Length);
if (tmp.Length > 0)
{
Array.Sort(tmp);
maxValue = Math.Max(maxValue, tmp[tmp.Length - 1]);
minValue = Math.Min(minValue, tmp[0]);
}
}
if (maxValue == 0 && minValue == 0)
{
maxValue = 100;
minValue = 0;
}
else if (maxValue != 0 && minValue == 0)
{
int theBase = (int)Math.Ceiling(Math.Log10(maxValue));
mMaxX = (float)Math.Pow(10, theBase);
if (maxValue <= mMaxX / 2)
{
mMaxX = mMaxX / 2;
}
}
else
{
int theBase = (int)Math.Max(Math.Ceiling(Math.Log10(Math.Abs(maxValue))), Math.Ceiling(Math.Log10(Math.Abs(minValue))));
mMaxX = (float)Math.Pow(10, theBase);
mMinX = (float)Math.Pow(10, theBase) * Math.Sign(minValue);
if (maxValue <= mMaxX / 2)
{
mMaxX = mMaxX / 2;
}
if (minValue >= mMinX / 2)
{
mMinX = mMinX / 2;
}
}
}
private void drawLegend(Graphics g)
{
g.DrawRectangle(new Pen(Color.Black, 1), mLegendArea);
for (int i = 0; i < series.Count; i++)
{
ScatterSerie data = series[i] as ScatterSerie;
SizeF sf = g.MeasureString(data.Name, labelFont);
int yPos = (int)(mLegendArea.Y + 8 + i * sf.Height);
//g.FillRectangle(new SolidBrush(data.Color), mLegendArea.X-rBounds.X + 8, yPos-3 , 6, 6);
Pen pen = new Pen(data.Color);
if (data.DashStyle == DashStyle.Dash)
{
pen.DashPattern = new float[] { 4, 2 }
}
;
else if (data.DashStyle == DashStyle.Dot)
{
pen.DashPattern = new float[] { 1, 3 }
}
;
else if (data.DashStyle == DashStyle.DashDot)
{
pen.DashPattern = new float[] { 5, 2, 2, 2 }
}
;
else if (data.DashStyle == DashStyle.DashDotDot)
{
pen.DashPattern = new float[] { 4, 2, 1, 2, 1, 2 }
}
;
else
{
pen.DashStyle = data.DashStyle;
}
g.DrawLine(pen, new Point(mLegendArea.X + 4, yPos), new Point(mLegendArea.X + 20, yPos));
g.DrawString(data.Name, labelFont, new SolidBrush(Color.Black), mLegendArea.X + 22, yPos - sf.Height / 2);
}
}
private void drawLines(Graphics g)
{
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
for (int i = 0; i < series.Count; i++)
{
ScatterSerie data = series[i] as ScatterSerie;
PointF[] points = new PointF[data.X.Length];
for (int j = 0; j < data.X.Length; j++)
{
points[j] = new PointF(this.calculateXPosition((float)data.X[j]), this.calculateYPosition((float)data.Y[j]));
}
Array.Sort(points, new PointComparer());
if (points.Length > 1)
{
Pen pen = new Pen(data.Color);
if (data.DashStyle == DashStyle.Dash)
{
pen.DashPattern = new float[] { 4, 4 }
}
;
else if (data.DashStyle == DashStyle.Dot)
{
pen.DashPattern = new float[] { 2, 4 }
}
;
else if (data.DashStyle == DashStyle.DashDot)
{
pen.DashPattern = new float[] { 4, 3, 1, 3 }
}
;
else if (data.DashStyle == DashStyle.DashDotDot)
{
pen.DashPattern = new float[] { 4, 3, 1, 3, 1, 3 }
}
;
else
{
pen.DashStyle = data.DashStyle;
}
g.DrawLines(pen, points);
}
if (showMarkers)
{
Brush markerBrush = new SolidBrush(data.Color);
for (int k = 0; k < points.Length; k++)
{
g.FillEllipse(markerBrush, points[k].X - 2, points[k].Y - 2, 5, 5);
}
markerBrush.Dispose();
}
}
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.Default;
}