protected void AddOverlay(Bitmap bmp, ColourScale cs)
{
int divInc = 0;
int pixInc = 0;
int xStart = 0;
if (groupsToSide)
{
xStart = SIDE_BOX_SIZE;
}
double cumu = 0;
double cnt = 0;
for (int j = 0; j < entries; j++)
{
cumu += rankVal[j];
cnt++;
divInc++;
if (divInc % rangeBoxCount == 0)
{
int blen = Math.Min((int)(cumu / cnt), baseCount - 1);
for (int i = 0; i < blen; i++)
{
SetOverLayPix(cs, bmp, i + xStart, pixInc);
}
pixInc++;
}
}
}
protected void SetOverLayPix(ColourScale cs, Bitmap bmp, int x, int y)
{
Color stcol = bmp.GetPixel(x, y);
Color next;
if (cs == ColourScale.GreenBlue)
{
next = Color.FromArgb(Math.Min((int)stcol.R + 120, 255), Math.Min((int)stcol.G + 10, 255), Math.Min((int)stcol.B + 10, 255));
}
else
{
next = Color.FromArgb(Math.Min((int)stcol.R + 10, 255), Math.Min((int)stcol.G + 10, 255), Math.Min((int)stcol.B + 120, 255));
}
bmp.SetPixel(x, y, next);
}
protected Color GetScaledColor(double min, double max, double mean, double stdDev, double v, ColourScale cs)
{
if (v > 0)
{
double st2 = mean + stdDev * COL2_SCALE;
double scale = (v - min) / (st2 - min);
int c1; int c2;
if (scale < 1)
{
c1 = 30 + (int)(225.0 * scale);
c2 = 30;
}
else
{
scale = (v - st2) / (max - st2);
c1 = 255;
c2 = 30 + (int)(225.0 * scale);
}
if (cs == ColourScale.GreenBlue)
{
return(Color.FromArgb(0, c1, c2));
}
else
{
return(Color.FromArgb(c2, c1, 0));
}
}
else
{
return(Color.Black);
}
}
protected Bitmap MakeBmap(List <List <double> > colScal, ColourScale cs)
{
int xPix = baseCount;
int xStart = 0;
if (groupsToSide)
{
xPix += SIDE_BOX_SIZE;
xStart = SIDE_BOX_SIZE;
}
int yPix = entries / rangeBoxCount;
if (entries % rangeBoxCount != 0)
{
yPix++;
}
Bitmap bmp = new Bitmap(xPix, yPix);
double min = 9999999;
double max = 0;
List <double> all = new List <double>();
for (int i = 0; i < baseCount; i++)
{
for (int j = 0; j < entries; j++)
{
if (double.IsNaN(colScal [j] [i]))
{
colScal [j] [i] = 0;
}
all.Add(colScal[j][i]);
min = Math.Min(min, colScal[j][i]);
max = Math.Max(max, colScal[j][i]);
}
}
double stdDev = Statistics.StandardDeviation(all);
double mean = Statistics.Mean(all);
for (int i = 0; i < baseCount; i++)
{
int divInc = 0;
int pixInc = 0;
List <Color> cols = new List <Color>();
for (int j = 0; j < entries; j++)
{
divInc++;
cols.Add(GetScaledColor(min, max, mean, stdDev, colScal[j][i], cs));
if (divInc % rangeBoxCount == 0)
{
bmp.SetPixel(i + xStart, pixInc, MergeColList(cols));
pixInc++;
cols.Clear();
}
}
}
if (groupsToSide)
{
DrawSideBoxes(bmp);
}
if (overlayLengths)
{
AddOverlay(bmp, cs);
}
return(bmp);
}
