public static double[] CheckOutstanding(double[] data, out double[] clearData, float alpha)
{
List <double> dataList = new List <double>(data);
List <double> trashList = new List <double>();
bool changes;
do
{
changes = false;
data = dataList.ToArray();
double mean = StatisticsProcessor.Srednee(data);
double S = Math.Sqrt(StatisticsProcessor.Dispersion(data));
double Xmax = StatisticsProcessor.FindMax(data);
double TnMax = (Xmax - mean) / S;
if (TnMax > TTable(alpha, (uint)(data.Length)))
{
changes = true;
dataList.Remove(Xmax);
trashList.Add(Xmax);
}
double Xmin = StatisticsProcessor.FindMin(data);
double TnMin = (mean - Xmin) / S;
if (TnMin > TTable(alpha, (uint)(data.Length)))
{
changes = true;
dataList.Remove(Xmin);
trashList.Add(Xmin);
}
}while (changes);
clearData = dataList.ToArray();
return(trashList.Count > 0 ? trashList.ToArray() : null);
}
public void Draw(Graphics g)
{
g.SmoothingMode = SmoothingMode.HighQuality;
//Color cl = Color.FromArgb(255, 250, 242);
Color cl = Color.FromArgb(240, 240, 242);
g.Clear(cl);
g.Transform = new Matrix(1, 0, 0, -1, 0, sz.Height - 1);
#region Zoom calculation
zoom_x = sz.Width / (Y.Length + 1f);
ptMargins = new PointF(zoom_x, new Font(FONT_FACE, FONT_HEIGHT).GetHeight() * 2f);
float MaxMin = (float)(StatisticsProcessor.FindMax(Y) - StatisticsProcessor.FindMin(Y));
float Ampl = (MaxMin > float.Epsilon ? MaxMin : 1);
zoom_y = (sz.Height - 2 * ptMargins.Y - 1) / Ampl;
#endregion
#region switch on the kind of the diagram
switch (kindOfDiagram)
{
case KindOfDiagram.LeftArrows:
DrawLeftSideArrows(g, zoom_x, zoom_y);
break;
case KindOfDiagram.Histogram:
DrawHistogram(g, zoom_x, zoom_y);
break;
case KindOfDiagram.Polygon:
DrawPolygon(g, zoom_x, zoom_y);
break;
case KindOfDiagram.Metrolog:
DrawMetrolog(g, zoom_x, zoom_y);
break;
default:
DrawHistogram(g, zoom_x, zoom_y);
break;
}
#endregion
}
private void DrawValues(Graphics g, float oy, float zoom_x, float zoom_y)
{
Font font = new Font(FONT_FACE, FONT_HEIGHT, FontStyle.Bold);
SolidBrush brush =
new SolidBrush(Color.FromKnownColor(KnownColor.ControlText));
double max = StatisticsProcessor.FindMax(Y);
double min = StatisticsProcessor.FindMin(Y);
int stps = 20;
g.ScaleTransform(1, -1);
for (int i = 0; i <= stps; i++)
{
PointF point = new PointF(
0,
-((float)((max - min) * i / stps + min) * zoom_y + 0.5f * font.Height + oy)
);
string valStr = string.Format("{0:F2}", (max - min) * i / stps + min);
g.DrawString(valStr, font, brush, point);
}
g.ScaleTransform(1, -1);
}
private void DrawHistogram(Graphics g, float zoom_x, float zoom_y)
{
double min = StatisticsProcessor.FindMin(Y);
double max = StatisticsProcessor.FindMax(Y);
float oy = 0;
float zy = zoom_y;
if (max < 0) // signs equals -
{
oy = sz.Height - ptMargins.Y;
zy = (sz.Height - 2 * ptMargins.Y - 1) / (float)Math.Abs(min);
}
else if (min > 0) // signs equals +
{
oy = ptMargins.Y;
zy = (sz.Height - 2 * ptMargins.Y - 1) / (float)Math.Abs(max);
}
else if (max != min) // signs differs
{
oy = (sz.Height - 2 * ptMargins.Y - 1) * (float)(Math.Abs(min) / (max - min)) + ptMargins.Y;
zy = (sz.Height - 2 * ptMargins.Y - 1) / (float)(Math.Abs(min) + Math.Abs(max));
}
else // stable zero
{
oy = 0;
zy = sz.Height - 2 * ptMargins.Y - 1;
}
DrawAxes(g, oy);
for (int i = 0; i < Y.Length; i++)
{
RectangleF rect = new RectangleF(
i * zoom_x + 0.1f * zoom_x + ptMargins.X / 2f,
(float)(Y[i] * zy > 0 ? 0 : Y[i] * zy) + oy,
1f * zoom_x - 0.2f * zoom_x,
(float)(Math.Abs(Y[i]) * zy));
if (rect.Height < float.Epsilon)
{
rect.Height += 1.5f;
}
//0e+20f * float.Epsilon;
LinearGradientBrush lgb = new LinearGradientBrush(rect,
penColor, Color.FromKnownColor(KnownColor.ControlDark), 75);
g.FillRectangle(lgb, rect);
}
Font font = new Font(FONT_FACE, FONT_HEIGHT);
SolidBrush brush =
new SolidBrush(Color.FromKnownColor(KnownColor.ControlText));
g.ScaleTransform(1, -1);
for (int i = 0; i < Y.Length; i++)
{
PointF point = new PointF(
(i + .5f) * zoom_x + ptMargins.X / 2f,
-(float)(Y[i] * zy + 1.0f * font.Height * Math.Sign(Y[i]) + oy)
);
string valStr = Y[i].ToString();
StringFormat sf = new StringFormat();
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
float actual_width = 0;
int dig_count = 1;
while (actual_width < 0.9f * zoom_x && dig_count <= 15)
{
double trim_val = Math.Round(Y[i], dig_count++);
valStr = trim_val.ToString();
actual_width = g.MeasureString(valStr, font, point, sf).Width;
}
g.DrawString(valStr, font, brush, point, sf);
}
g.ScaleTransform(1, -1);
}