private void makeImage(List <EpwData> fieldvalues, string filename)
{
int widthPerChart = 930;
int heightPerChart = 340;
int cols = 2;
int rows = (int)Math.Ceiling(fieldvalues.Count / 2.0);
int width = cols * widthPerChart;
int height = rows * heightPerChart;
Bitmap bitmap = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(bitmap);
// white back ground
g.Clear(Color.White);
int colNum = 0;
int rowNum = 0;
for (int v = 0; v < fieldvalues.Count; v++)
{
EpwData data = fieldvalues[v];
int d = 0;
int h = 0;
int startX = colNum * 930 + 50;
int startY = (rowNum + 1) * heightPerChart - 50;
Font tFont = new Font("Arial", 20);
SolidBrush sBrush = new SolidBrush(System.Drawing.Color.Black);
//image title
if (v == 0)
{
g.DrawString(filename.Substring(filename.LastIndexOf("\\")), tFont, sBrush, startX, startY + 25);
}
//graph title
tFont = new Font("Arial", 16);
g.DrawString(data.name, tFont, sBrush, startX, ((rowNum) * heightPerChart) + 25);
float x = 0;
float y = 0;
Color c = new Color();
for (int i = 0; i < data.values.Count; i++)
{
y = startY - h * 10;
x = startX + d * 2;
if (data.values[i] >= data.nullValue)
{
c = Color.Black;
}
else
{
if (Double.IsNaN(data.values[i]))
{
c = Color.Black;
}
else
{
if (data.name == "DV")
{
c = this.defineColorRadial(data.values[i], data.min, data.max);
}
else
{
c = this.rainbowRGB(data.values[i], data.min, data.max);
}
}
}
SolidBrush p = new SolidBrush(c);
g.FillRectangle(p, x, y, 2, 10);
h++;
if (h == 24)
{
d++;
h = 0;
}
}
//scale bar
double range = data.max - data.min;
double inc = range / 11;
double val = 0;
for (int s = 0; s < 11; s++)
{
val = data.min + s * inc;
if (data.name == "DV")
{
c = this.defineColorRadial(val, data.min, data.max);
}
else
{
c = this.rainbowRGB(val, data.min, data.max);
}
SolidBrush p = new SolidBrush(c);
g.FillRectangle(p, x + 30, ((rowNum + 1) * heightPerChart) - 60 - (s * 22), 20, 22);
g.DrawString(Math.Round(val, 1).ToString(), tFont, sBrush, x + 60, ((rowNum + 1) * heightPerChart) - 60 - (s * 22));
}
colNum++;
if (colNum == 2)
{
colNum = 0;
rowNum++;
}
}
String fname = filename.Substring(0, filename.LastIndexOf("."));
bitmap.Save(fname + ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
}
private List <EpwData> getAnnualValues(String filename)
{
EpwData ghr = new EpwData(); ghr.setName("GlobalHR");
EpwData diffhr = new EpwData(); diffhr.setName("DiffHR");
EpwData directhr = new EpwData(); directhr.setName("DirectHR");
EpwData hr = new EpwData(); hr.setName("HR");
EpwData nub = new EpwData(); nub.setName("NUB");
EpwData pr = new EpwData(); pr.setName("PR");
EpwData t = new EpwData(); t.setName("TS");
EpwData dv = new EpwData(); dv.setName("DV");
EpwData vv = new EpwData(); vv.setName("VV");
EpwData dpt = new EpwData(); dpt.setName("DPT");
EpwData ehr = new EpwData(); ehr.setName("ExtraTerrHR");
StreamReader sr = new StreamReader(filename);
String line = sr.ReadLine();
int lineCount = 0;
while (line != null)
{
if (lineCount >= 8)
{
String[] fields = line.Split(',');
for (int i = 0; i < fields.Length; i++)
{
switch (i)
{
case 6:
t.values.Add(Convert.ToDouble(fields[i]));
break;
case 7:
dpt.values.Add(Convert.ToDouble(fields[i]));
break;
case 8:
hr.values.Add(Convert.ToDouble(fields[i]));
break;
case 10:
ehr.values.Add(Convert.ToDouble(fields[i]));
break;
case 13:
ghr.values.Add(Convert.ToDouble(fields[i]));
break;
case 14:
directhr.values.Add(Convert.ToDouble(fields[i]));
break;
case 15:
diffhr.values.Add(Convert.ToDouble(fields[i]));
break;
case 20:
dv.values.Add(Convert.ToDouble(fields[i]));
break;
case 21:
vv.values.Add(Convert.ToDouble(fields[i]));
break;
case 22:
nub.values.Add(Convert.ToDouble(fields[i]));
break;
case 33:
pr.values.Add(Convert.ToDouble(fields[i]));
break;
}
}
}
line = sr.ReadLine();
lineCount++;
}
sr.Close();
List <EpwData> fieldvalues = new List <EpwData>();
fieldvalues.Add(t);
fieldvalues.Add(dpt);
fieldvalues.Add(ehr);
fieldvalues.Add(ghr);
fieldvalues.Add(directhr);
fieldvalues.Add(diffhr);
fieldvalues.Add(hr);
fieldvalues.Add(dv);
fieldvalues.Add(vv);
fieldvalues.Add(pr);
fieldvalues.Add(nub);
return(fieldvalues);
}